merge: updates from upstream

Conflicts:
    mix.lock

.drone.yml

@@ -9,7 +9,7 @@ trigger:
 
 steps:
   - name: database healthcheck
-    image: &postgres 'postgres:17.3-alpine'
+    image: &postgres 'postgres:17.5-alpine'
     environment:
       PGUSER: &db_user postgres
       PGPASSWORD: &db_pass postgres
@@ -29,7 +29,7 @@ steps:
     settings:
       archive_format: gzip
       bucket: trainlog-cache
-      cache_key: '{{ .Repo.Name }}-{{ checksum ".tool-versions" }}-{{ checksum "mix.lock" }}'
+      cache_key: '{{ .Repo.Name }}-{{ checksum ".tool-versions" }}-{{ checksum "mix.lock" }}-{{ checksum "Dockerfile" }}'
       endpoint: minio:9000
       mount:
         - _build
@@ -44,7 +44,7 @@ steps:
         path: /drone/src/deps
 
   - name: dependencies and compile
-    image: &elixir 'hexpm/elixir:1.18.2-erlang-27.2.2-debian-bookworm-20250203-slim'
+    image: &elixir 'hexpm/elixir:1.18.4-erlang-27.3.4-debian-bookworm-20250520-slim'
     commands:
       - apt-get update
       - apt-get install -y git make
@@ -139,7 +139,7 @@ steps:
     settings:
       archive_format: gzip
       bucket: trainlog-cache
-      cache_key: '{{ .Repo.Name }}-{{ checksum ".tool-versions" }}-{{ checksum "mix.lock" }}'
+      cache_key: '{{ .Repo.Name }}-{{ checksum ".tool-versions" }}-{{ checksum "mix.lock" }}-{{ checksum "Dockerfile" }}'
       endpoint: minio:9000
       exit_code: true
       mount:

.tool-versions

@@ -1,3 +1,3 @@
-erlang   27.2.2
-elixir   1.18.2
-lefthook 1.10.10
+erlang   27.3.4
+elixir   1.18.4
+lefthook 1.11.14

Dockerfile

@@ -1,6 +1,6 @@
-ARG ELIXIR_VERSION=1.18.2
-ARG OTP_VERSION=27.2.2
-ARG DEBIAN_VERSION=bookworm-20250203-slim
+ARG ELIXIR_VERSION=1.18.4
+ARG OTP_VERSION=27.3.4
+ARG DEBIAN_VERSION=bookworm-20250520-slim
 ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
 ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
 

Makefile

@@ -1,6 +1,6 @@
 .DEFAULT_GOAL := help
 
-COMPOSE = docker compose -f docker-compose.yml -f docker-compose.override.yml
+COMPOSE = docker compose
 
 .PHONY: system_setup
 system_setup:  ## setup system deps
@@ -27,11 +27,15 @@ credo:  ## run credo
 
 .PHONY: dialyzer
 dialyzer:  ## run dialyzer
-	@mix dialyzer --no-check --quiet --ignore-exit-status --format short
+	@mix dialyzer --format short
 
 .PHONY: static_code_analysis
 static_code_analysis: check_format check_compile credo dialyzer  ## run static code analysis
 
+.PHONY: docs
+docs:  ## create documentation files
+	@mix docs
+
 .PHONY: test
 test:  ## run tests
 	@mix test --cover --trace --slowest 10

config/test.exs

@@ -1,5 +1,8 @@
 import Config
 
+config :wabanex, Growth.Indicators.Download,
+  who_req_options: [plug: {Req.Test, Growth.Indicators.Download.WHO}]
+
 config :wabanex, Wabanex.Repo,
   database: "wabanex_test#{System.get_env("MIX_TEST_PARTITION")}",
   pool: Ecto.Adapters.SQL.Sandbox

docker-compose.yml

@@ -1,7 +1,9 @@
 ---
+name: ${EX_TRAINER_PROJECT_NAME:-ex_trainer}
+
 services:
   db:
-    image: 'postgres:17.3-alpine'
+    image: 'postgres:17.5-alpine'
     hostname: &db_host db
     init: true
     environment:
@@ -12,6 +14,7 @@ services:
       - './priv/docker/postgres/init.sql:/docker-entrypoint-initdb.d/init.sql'
       - 'db_data:/var/lib/postgresql/data'
     restart: unless-stopped
+
   app:
     image: 'joaodubas/ex_trainer:${EX_TRAINER_TAG:-dev}'
     build:
@@ -26,23 +29,17 @@ services:
     init: true
     develop:
       watch:
+        - path: ./mix.lock
+          action: rebuild
         - path: ./
           ignore:
             - ./build/
             - ./deps/
-          target: /opt/app
-          action: sync
-        - path: ./config/
+            - ./.elixir_ls/
+            - ./cover/
+            - ./report/
           target: /opt/app
           action: sync+restart
-        - path: ./lib/wabanex/application.ex
-          target: /opt/app
-          action: sync+restart
-        - path: ./mix.exs
-          target: /opt/app
-          action: sync+restart
-        - path: ./mix.lock
-          action: rebuild
     environment:
       DNS_CLUSTER_QUERY: *app_host
       POSTGRES_HOST: *db_host
@@ -54,6 +51,7 @@ services:
     scale: 3
     entrypoint: ./priv/docker/service/docker-entrypoint.sh
     command: local-cookie
+
   test:
     image: 'joaodubas/ex_trainer:test'
     build:

lib/growth/calc/age.ex

@@ -0,0 +1,48 @@
+defmodule Growth.Calc.Age do
+  @moduledoc """
+  Calculate the age in months.
+  """
+
+  @type precision :: :day | :week | :month | :year
+
+  # NOTE: (jpd): based on [WHO instructions][0]
+  # [0]: https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/instructions-en.pdf
+  @day_in_month 30.4375
+
+  @day_in_week 7.0
+
+  @doc """
+  Calculate the age with the precision of `:day`, or `:week`, or `:month`, considering the measurement date as today.
+
+  For age in weeks or months, considers completed ones, removing decimal value.
+  """
+  @spec calculate(precision(), Date.t(), Date.t()) :: pos_integer()
+
+  def calculate(precision, date_of_birth) do
+    calculate(precision, date_of_birth, Date.utc_today())
+  end
+
+  @doc """
+  Calculate the age with the precision of `:day`, or `:week`, or `:month`.
+
+  For age in weeks or months, considers completed ones, removing decimal value.
+  """
+
+  def calculate(:month, date_of_birth, date_of_measurement) do
+    :day
+    |> calculate(date_of_birth, date_of_measurement)
+    |> Kernel./(@day_in_month)
+    |> floor()
+  end
+
+  def calculate(:week, date_of_birth, date_of_measurement) do
+    :day
+    |> calculate(date_of_birth, date_of_measurement)
+    |> Kernel./(@day_in_week)
+    |> floor()
+  end
+
+  def calculate(:day, date_of_birth, date_of_measurement) do
+    Date.diff(date_of_measurement, date_of_birth)
+  end
+end

lib/growth/calc/bmi.ex

@@ -0,0 +1,29 @@
+defmodule Growth.Calc.BMI do
+  @moduledoc """
+  Calculate body mass index
+  """
+
+  @inch_to_centimeter 2.54
+  @pound_to_kilogram 0.453592
+
+  @doc """
+  Calculate the body mass index for a given weight and height.
+
+  Measurements taken in english unit (pounds and inches) are converted to their metric equivalents (kilograms and centimeters).
+  """
+  @spec calculate(:english | :metric, number, number) :: number
+
+  def calculate(:english, weight, height) do
+    metric_weight = pound_to_kilogram(weight)
+    metric_height = inches_to_centimeters(height)
+    calculate(:metric, metric_weight, metric_height)
+  end
+
+  def calculate(:metric, weight, height) do
+    weight / :math.pow(height / 100.0, 2)
+  end
+
+  defp inches_to_centimeters(height), do: height * @inch_to_centimeter
+
+  defp pound_to_kilogram(weight), do: weight * @pound_to_kilogram
+end

lib/growth/calc/centile.ex

@@ -0,0 +1,45 @@
+defmodule Growth.Calc.Centile do
+  @moduledoc """
+  Calculate the value of measurement at a given z-score and fitted values of Box-Cox by age/height:
+
+  * **power** `t:Growth.Calc.ZScore.l/0`
+  * **median** `t:Growth.Calc.ZScore.m/0`
+  * **coefficientof variation** `t:Growth.Calc.ZScore.s/0`
+
+  This calculation is described in the [instructions provided by the World Health Organization](https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/computation.pdf).
+
+  ## Examples:
+
+      iex> measures =
+      ...>   [
+      ...>     [-3.0, -1.7862, 16.9392, 0.1107],
+      ...>     [2, -1.3592, 20.4951, 0.12579],
+      ...>     [-1.2, -1.6318, 16.049, 0.10038]
+      ...>   ]
+      iex> Enum.map(measures, &apply(Growth.Calc.Centile, :compute, &1))
+      [13.05127032828574, 27.884359024082663, 14.37765739914362]
+
+  """
+
+  alias Growth.Calc.ZScore
+
+  @spec compute(number(), ZScore.l(), ZScore.m(), ZScore.s()) :: number() | :na
+  @doc """
+  Compute the measurement value for a given z-score and the Box-Cox values: power (`l`), median (`m`), and coefficient of variation (`s`).
+
+  Returns the measurement based on the z-score when -3 <= z-score <= 3; otherwise, `:na.`
+
+  ## Examples:
+
+      iex> Growth.Calc.Centile.compute(0.0, -1.6318, 16.049, 0.10038)
+      16.049
+
+  """
+  def compute(z_score, l, m, s) when -3 <= z_score and z_score <= 3 do
+    m * :math.pow(1 + l * s * z_score, 1 / l)
+  end
+
+  def compute(_z_score, _l, _m, _s) do
+    :na
+  end
+end

lib/growth/calc/percentile.ex

@@ -0,0 +1,30 @@
+defmodule Growth.Calc.Percentile do
+  @moduledoc """
+  Convert the z-score of a given measurement into a cumulative percentile.
+
+  This calculation is described in the [cumulative distribution function][https://en.wikipedia.org/wiki/Error_function#Cumulative_distribution_function].
+
+  ## Examples
+
+    iex> z_scores = [-1.0, 0.0, 1.0]
+    iex> Enum.map(z_scores, &apply(Growth.Calc.Percentile, :compute, [&1]))
+    [0.15865525393145707, 0.5, 0.8413447460685429]
+
+  """
+
+  @doc """
+  Convert the z-score of a given measurement into a percentile representation, ranging from 0 to 1.
+
+  ## Examples
+
+    iex> Growth.Calc.Percentile.compute(2.0)
+    0.9772498680518208
+    iex> Growth.Calc.Percentile.compute(-2.0)
+    0.02275013194817921
+
+  """
+  @spec compute(number()) :: number()
+  def compute(z_score) do
+    0.5 * (:math.erf(z_score / :math.sqrt(2)) + 1)
+  end
+end

lib/growth/calc/z_score.ex

@@ -0,0 +1,116 @@
+defmodule Growth.Calc.ZScore do
+  @moduledoc """
+  Calculate z-score for a given measurement and the fitted values of Box-Cox by age/height:
+
+  * **power** `t:l/0`
+  * **median** `t:m/0`
+  * **coefficientof variation** `t:s/0`
+
+  This calculation is described in the [instructions provided by the World Health Organization](https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/computation.pdf).
+
+  ## Examples:
+
+      iex> measures =
+      ...>   [
+      ...>     [30, -1.7862, 16.9392, 0.1107],
+      ...>     [14, -1.3592, 20.4951, 0.12579],
+      ...>     [19, -1.6318, 16.049, 0.10038]
+      ...>   ]
+      iex> Enum.map(measures, &apply(Growth.Calc.ZScore, :compute, &1))
+      [3.35390255606726, -3.7985108865993493, 1.4698319520484722]
+
+  """
+
+  @typedoc """
+  The **power** value in Box-Cox transformation.
+  """
+  @type l :: number()
+  @typedoc """
+  The **median** value in Box-Cox transformation.
+  """
+  @type m :: number()
+  @typedoc """
+  The **coefficient of variation** in Box-Cox transformation.
+  """
+  @type s :: number()
+
+  @spec compute(number(), l(), m(), s()) :: number()
+  @doc """
+  Compute the adjusted z-score for a given measurement (`y`) and the Box-Cox values: power (`l`), median (`m`), and
+  coefficient of variation (`s`).
+
+  ## Examples:
+
+      iex> Growth.Calc.ZScore.compute(30, -1.7862, 16.9392, 0.1107)
+      3.35390255606726
+      iex> Growth.Calc.ZScore.compute(14, -1.3592, 20.4951, 0.12579)
+      -3.7985108865993493
+      iex> Growth.Calc.ZScore.compute(19, -1.6318, 16.049, 0.10038)
+      1.4698319520484722
+
+  """
+  def compute(y, l, m, s) do
+    y
+    |> raw(l, m, s)
+    |> adjust(y, l, m, s)
+  end
+
+  @spec raw(number(), l(), m(), s()) :: number()
+  @doc """
+  Compute the raw z-score for a given measurement (`y`) and the Box-Cox values, power (`l`), median (`m`), and
+  coefficient of variation (`s`).
+
+  ## Examples
+
+      iex> Growth.Calc.ZScore.raw(30, -1.7862, 16.9392, 0.1107)
+      3.2353902101095855
+      iex> Growth.Calc.ZScore.raw(14, -1.3592, 20.4951, 0.12579)
+      -3.969714730727475
+      iex> Growth.Calc.ZScore.compute(19, -1.6318, 16.049, 0.10038)
+      1.4698319520484722
+
+  """
+  def raw(y, l, m, s) do
+    (:math.pow(y / m, l) - 1) / (s * l)
+  end
+
+  @spec adjust(number(), number(), l(), m(), s()) :: number()
+  @doc """
+  Adjust the raw z-score considering that extreme values, beyond -3 and 3 standard deviation, must be handled differently.
+  """
+  def adjust(zscore, y, l, m, s) when zscore > 3 do
+    [sd2, sd3, _, _] = cutoffs(l, m, s)
+    sd_delta = sd3 - sd2
+    3 + (y - sd3) / sd_delta
+  end
+
+  def adjust(zscore, y, l, m, s) when zscore < -3 do
+    [_, _, sd2, sd3] = cutoffs(l, m, s)
+    sd_delta = sd2 - sd3
+    -3 + (y - sd3) / sd_delta
+  end
+
+  def adjust(zscore, _, _, _, _) do
+    zscore
+  end
+
+  @spec cutoffs(number(), number(), number()) :: [number()]
+  @doc """
+  Calculate the standard deviations cutoffs (2, 3, -2, and -3) for a given set of fitted Box-Cox values: power (`l`),
+  median (`m`), and coefficient of variation (`s`).
+
+  These cutoffs are used to calculate the adjusted z-score.
+  """
+  def cutoffs(l, m, s) do
+    Enum.map([2, 3, -2, -3], &measure_at_standard_deviation(&1, l, m, s))
+  end
+
+  @spec measure_at_standard_deviation(integer(), number(), number(), number()) :: number()
+  @doc """
+  Calculate the measure value at a given standard deviation (`sd`), considering the fitted Box-Cox values: power (`l`),
+  median (`m`), and coefficient of variation (`s`).
+  """
+  def measure_at_standard_deviation(sd, l, m, s) do
+    m * :math.pow(1 + l * s * sd, 1 / l)
+  end
+end

lib/growth/growth.ex

@@ -0,0 +1,225 @@
+defmodule Growth do
+  @moduledoc """
+  Follow up child growth from 0 to 19 years, calculating z-scores for the following measurements:
+
+  * weight between ages 0 and 10 years
+  * height between ages 0 and 19 years
+  * body mass index (bmi) between ages 0 and 19 years
+  * head circumference between ages 0 and 5 years
+  * arm circumference between ages 3 months and 5 years
+  * subscapular skinfold between ages 3 months and 5 years
+  * triceps skinfold between ages 3 months and 5 years
+  """
+
+  alias __MODULE__.Calc.Age
+  alias __MODULE__.Calc.BMI
+  alias __MODULE__.Score
+
+  @type gender :: :male | :female
+
+  @type measure :: number() | nil
+
+  @type opts :: [
+          date_of_measurement: Date.t(),
+          weight: measure(),
+          height: measure(),
+          arm_circumference: measure(),
+          head_circumference: measure(),
+          subscapular_skinfold: measure(),
+          triceps_skinfold: measure()
+        ]
+
+  @type t :: %__MODULE__{
+          name: String.t(),
+          gender: gender(),
+          date_of_birth: Date.t(),
+          date_of_measurement: Date.t(),
+          age_in_days: pos_integer(),
+          age_in_weeks: pos_integer(),
+          age_in_months: pos_integer(),
+          weight: measure(),
+          height: measure(),
+          arm_circumference: measure(),
+          head_circumference: measure(),
+          subscapular_skinfold: measure(),
+          triceps_skinfold: measure(),
+          bmi: measure(),
+          results: list()
+        }
+
+  @enforce_keys [:name, :gender, :date_of_birth]
+  defstruct [
+    :name,
+    :gender,
+    :date_of_birth,
+    :date_of_measurement,
+    :age_in_days,
+    :age_in_weeks,
+    :age_in_months,
+    :weight,
+    :height,
+    :arm_circumference,
+    :head_circumference,
+    :subscapular_skinfold,
+    :triceps_skinfold,
+    :bmi,
+    :results
+  ]
+
+  @valid_measures [
+    :date_of_measurement,
+    :weight,
+    :height,
+    :arm_circumference,
+    :head_circumference,
+    :subscapular_skinfold,
+    :triceps_skinfold
+  ]
+
+  @doc """
+  Create a new growth measurement for a children with name, gender, date of birth, and the following optional arguments:
+
+  * `:date_of_measurement`: date when the measures were collected, defaults to today.
+  * `:weight`: weight in kilograms, defaults to `nil`.
+  * `:height`: height in centimeters, defaults to `nil`.
+  * `:arm_circumference`: arm circumference in centimeters, defaults to `nil`.
+  * `:head_circumference`: head circumference in centimeters, defaults to `nil`.
+  * `:subscapular_skinfold`: subscapular skinfold in milimeters, defaults to `nil`.
+  * `:triceps_skinfold`: triceps skinfold in milimeters, defaults to `nil`.
+
+  ## Examples
+
+      iex> Growth.new(
+      ...>   "child a",
+      ...>   :male,
+      ...>   ~D[2024-01-01],
+      ...>   date_of_measurement: ~D[2024-04-01],
+      ...>   weight: 8,
+      ...>   height: 65.4,
+      ...>   arm_circumference: 15.5,
+      ...>   head_circumference: 42.8,
+      ...>   subscapular_skinfold: 10.9,
+      ...>   triceps_skinfold: 13.5
+      ...> )
+      %Growth{
+        name: "child a",
+        gender: :male,
+        date_of_birth: ~D[2024-01-01],
+        date_of_measurement: ~D[2024-04-01],
+        age_in_days: 91,
+        age_in_weeks: 13,
+        age_in_months: 2,
+        weight: 8,
+        height: 65.4,
+        arm_circumference: 15.5,
+        head_circumference: 42.8,
+        subscapular_skinfold: 10.9,
+        triceps_skinfold: 13.5,
+        bmi: 18.703999850368,
+        results: [
+          head_circumference: [
+            day: {1.945484886994137, 0.9741416765426315},
+            week: {1.945484886994137, 0.9741416765426315},
+            month: {3.130859582465616, 0.9991285226182205}
+          ],
+          arm_circumference: [day: {1.9227031505630465, 0.9727413295221268}],
+          subscapular_skinfold: [day: {1.9437372448689536, 0.9740364275897885}],
+          triceps_skinfold: [day: {1.950277062993091, 0.974428447506235}],
+          weight: [
+            day: {1.982458622036091, 0.9762860329545557},
+            week: {1.982458622036091, 0.9762860329545557},
+            month: {3.0355951313091745, 0.9987996926038037}
+          ],
+          height: [
+            day: {1.956263992749136, 0.9747829682259178},
+            week: {1.956263992749136, 0.9747829682259178},
+            month: {3.4867331002754054, 0.9997555204670452}
+          ],
+          bmi: [
+            day: {1.1977344927294398, 0.8844898016950435},
+            week: {1.1977344927294398, 0.8844898016950435},
+            month: {1.5837461190318038, 0.9433742474306444}
+          ]
+        ]
+      }
+
+  """
+  @spec new(String.t(), gender(), Date.t(), opts()) :: t()
+  def new(name, gender, date_of_birth, opts \\ []) do
+    default_opts()
+    |> Enum.reduce(
+      %__MODULE__{
+        name: name,
+        gender: gender,
+        date_of_birth: date_of_birth,
+        results: []
+      },
+      fn {key, default_value}, measurement ->
+        opts
+        |> Keyword.get(key, default_value)
+        |> then(&Map.put(measurement, key, &1))
+      end
+    )
+    |> with_age_in_days()
+    |> with_age_in_weeks()
+    |> with_age_in_months()
+    |> with_bmi()
+    |> with_results()
+  end
+
+  for precision <- [:day, :week, :month] do
+    @doc """
+    Add age with given precision in growth measurement.
+    """
+    @spec unquote(:"with_age_in_#{precision}s")(t()) :: t()
+
+    def unquote(:"with_age_in_#{precision}s")(
+          %__MODULE__{date_of_birth: date_of_birth, date_of_measurement: date_of_measurement} =
+            growth
+        )
+        when not is_nil(date_of_birth) and not is_nil(date_of_measurement) do
+      age = Age.calculate(unquote(precision), date_of_birth, date_of_measurement)
+      Map.put(growth, unquote(:"age_in_#{precision}s"), age)
+    end
+
+    def unquote(:"with_age_in_#{precision}s")(%__MODULE__{date_of_birth: date_of_birth} = growth)
+        when not is_nil(date_of_birth) do
+      unquote(:"with_age_in_#{precision}s")(%{growth | date_of_measurement: Date.utc_today()})
+    end
+
+    def unquote(:"with_age_in_#{precision}s")(growth) do
+      growth
+    end
+  end
+
+  def with_bmi(%__MODULE__{weight: weight, height: height} = growth)
+      when is_number(weight) and is_number(height) do
+    %{growth | bmi: BMI.calculate(:metric, weight, height)}
+  end
+
+  def with_bmi(growth) do
+    growth
+  end
+
+  def with_results(growth) do
+    Score.Scorer.results(growth, [
+      Score.BMI,
+      Score.Height,
+      Score.Weight,
+      Score.TricepsSkinfold,
+      Score.SubscapularSkinfold,
+      Score.ArmCircumference,
+      Score.HeadCircumference
+    ])
+  end
+
+  defp default_opts do
+    Enum.map(@valid_measures, fn
+      :date_of_measurement = key ->
+        {key, Date.utc_today()}
+
+      key ->
+        {key, nil}
+    end)
+  end
+end

lib/growth/indicators/download.ex

@@ -0,0 +1,328 @@
+defmodule Growth.Indicators.Download do
+  @moduledoc """
+  To calculate z-scores for the different growth measurements, the system must:
+
+  1. Fetch indicators from World Health Organization
+  2. Extract data from excel sheets
+  3. Convert the data into proper format, specially, handle with decimal values
+  3. Add metadata to make search for the parameters possible
+
+  The following indicators to construct z-scores are fetched:
+
+  * [height for age 0 to 5 years](https://www.who.int/tools/child-growth-standards/standards/length-height-for-age)
+  * [height for age 5 to 19 years](https://www.who.int/tools/growth-reference-data-for-5to19-years/indicators/height-for-age)
+  * [weight for age 0 to 5 years](https://www.who.int/tools/child-growth-standards/standards/weight-for-age)
+  * [weight for age 5 to 10 years](https://www.who.int/tools/growth-reference-data-for-5to19-years/indicators/weight-for-age-5to10-years)
+  * [weight for height](https://www.who.int/tools/child-growth-standards/standards/weight-for-length-height)
+  * [body mass index (bmi) for age 0 to 5 years](https://www.who.int/toolkits/child-growth-standards/standards/body-mass-index-for-age-bmi-for-age)
+  * [body mass index (bmi) for age 5 to 19 years](https://www.who.int/tools/growth-reference-data-for-5to19-years/indicators/bmi-for-age)
+  * [head circumference for age 0 to 5 years](https://www.who.int/tools/child-growth-standards/standards/head-circumference-for-age)
+  * [arm circumference for age 3 months to 5 years](https://www.who.int/tools/child-growth-standards/standards/arm-circumference-for-age)
+  * [subscapular skinfold for age 3 months to 5 years](https://www.who.int/tools/child-growth-standards/standards/subscapular-skinfold-for-age)
+  * [triceps skinfold for age 3 months to 5 years](https://www.who.int/tools/child-growth-standards/standards/triceps-skinfold-for-age)
+  """
+
+  NimbleCSV.define(IndicatorParser, separator: ",", escape: "\"")
+
+  @urls %{
+    height_for_age: %{
+      female: %{
+        age_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_girls_0-to-13-weeks_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_girls_0-to-2-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_girls_2-to-5-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/height-for-age-(5-19-years)/hfa-girls-z-who-2007-exp.xlsx
+        ],
+        expanded_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/expandable-tables/lhfa-girls-zscore-expanded-tables.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/height-for-age-(5-19-years)/hfa-girls-z-who-2007-exp.xlsx
+        ]
+      },
+      male: %{
+        age_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_boys_0-to-13-weeks_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_boys_0-to-2-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_boys_2-to-5-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/height-for-age-(5-19-years)/hfa-boys-z-who-2007-exp.xlsx
+        ],
+        expanded_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/expandable-tables/lhfa-boys-zscore-expanded-tables.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/height-for-age-(5-19-years)/hfa-boys-z-who-2007-exp.xlsx
+        ]
+      }
+    },
+    weight_for_age: %{
+      female: %{
+        age_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-age/wfa_girls_0-to-13-weeks_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-age/wfa_girls_0-to-5-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/weight-for-age-(5-10-years)/hfa-girls-z-who-2007-exp_7ea58763-36a2-436d-bef0-7fcfbadd2820.xlsx
+        ],
+        expanded_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-age/expanded-tables/wfa-girls-zscore-expanded-tables.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/weight-for-age-(5-10-years)/hfa-girls-z-who-2007-exp_7ea58763-36a2-436d-bef0-7fcfbadd2820.xlsx
+        ]
+      },
+      male: %{
+        age_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-age/wfa_boys_0-to-13-weeks_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-age/wfa_boys_0-to-5-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/weight-for-age-(5-10-years)/hfa-boys-z-who-2007-exp_0ff9c43c-8cc0-4c23-9fc6-81290675e08b.xlsx
+        ],
+        expanded_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-age/expanded-tables/wfa-boys-zscore-expanded-tables.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/weight-for-age-(5-10-years)/hfa-boys-z-who-2007-exp_0ff9c43c-8cc0-4c23-9fc6-81290675e08b.xlsx
+        ]
+      }
+    },
+    weight_for_height: %{
+      female: %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-length-height/wfl_girls_0-to-2-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-length-height/wfh_girls_2-to-5-years_zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-length-height/expanded-tables/wfl-girls-zscore-expanded-table.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-length-height/expanded-tables/wfh-girls-zscore-expanded-tables.xlsx
+        )
+      },
+      male: %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-length-height/wfl_boys_0-to-2-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-length-height/wfh_boys_2-to-5-years_zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-length-height/expanded-tables/wfl-boys-zscore-expanded-table.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/weight-for-length-height/expanded-tables/wfh-boys-zscore-expanded-tables.xlsx
+        )
+      }
+    },
+    bmi_for_age: %{
+      female: %{
+        age_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/body-mass-index-for-age/bmi_girls_0-to-13-weeks_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/body-mass-index-for-age/bmi_girls_0-to-2-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/body-mass-index-for-age/bmi_girls_2-to-5-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/bmi-for-age-(5-19-years)/bmi-girls-z-who-2007-exp.xlsx
+        ],
+        expanded_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/body-mass-index-for-age/expanded-tables/bfa-girls-zscore-expanded-tables.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/bmi-for-age-(5-19-years)/bmi-girls-z-who-2007-exp.xlsx
+        ]
+      },
+      male: %{
+        age_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/body-mass-index-for-age/bmi_boys_0-to-13-weeks_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/body-mass-index-for-age/bmi_boys_0-to-2-years_zcores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/body-mass-index-for-age/bmi_boys_2-to-5-years_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/bmi-for-age-(5-19-years)/bmi-boys-z-who-2007-exp.xlsx
+        ],
+        expanded_tables: ~w[
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/body-mass-index-for-age/expanded-tables/bfa-boys-zscore-expanded-tables.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/growth-reference-5-19-years/bmi-for-age-(5-19-years)/bmi-boys-z-who-2007-exp.xlsx
+        ]
+      }
+    },
+    head_circumference_for_age: %{
+      female: %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/head-circumference-for-age/hcfa-girls-0-13-zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/head-circumference-for-age/hcfa-girls-0-5-zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/head-circumference-for-age/expanded-tables/hcfa-girls-zscore-expanded-tables.xlsx
+        )
+      },
+      male: %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/head-circumference-for-age/hcfa-boys-0-13-zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/head-circumference-for-age/hcfa-boys-0-5-zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/head-circumference-for-age/expanded-tables/hcfa-boys-zscore-expanded-tables.xlsx
+        )
+      }
+    },
+    arm_circumference_for_age: %{
+      female: %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/arm-circumference-for-age/acfa-girls-3-5-zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/arm-circumference-for-age/expanded-tables/acfa-girls-zscore-expanded-tables.xlsx
+        )
+      },
+      male: %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/arm-circumference-for-age/acfa-boys-3-5-zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/arm-circumference-for-age/expanded-tables/acfa-boys-zscore-expanded-tables.xlsx
+        )
+      }
+    },
+    subscapular_skinfold_for_age: %{
+      female: %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/subscapular-skinfold-for-age/ssfa-girls-3-5-zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/subscapular-skinfold-for-age/expanded-tables/ssfa-girls-zscore-expanded-table.xlsx
+        )
+      },
+      male: %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/subscapular-skinfold-for-age/ssfa-boys-3-5-zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/subscapular-skinfold-for-age/expanded-tables/ssfa-boys-zscore-expanded-table.xlsx
+        )
+      }
+    },
+    triceps_skinfold_for_age: %{
+      female: %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/triceps-skinfold-for-age/tsfa-girls-3-5-zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/triceps-skinfold-for-age/expanded-tables/tsfa-girls-zscore-expanded-tables.xlsx
+        )
+      },
+      male: %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/triceps-skinfold-for-age/tsfa-boys-3-5-zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/triceps-skinfold-for-age/expanded-tables/tsfa-boys-zscore-expanded-tables.xlsx
+        )
+      }
+    }
+  }
+
+  def process_all do
+    @urls
+    |> Enum.map(&Task.async(__MODULE__, :process_measure, [&1]))
+    |> Task.await_many()
+  end
+
+  def process_measure({measure, urls}) do
+    urls
+    |> process_genders()
+    |> as_csv()
+    |> save(measure)
+  end
+
+  def process_genders(%{
+        female: %{age_tables: female_urls, expanded_tables: e_female_urls},
+        male: %{age_tables: male_urls, expanded_tables: e_male_urls}
+      }) do
+    [
+      {:female, :age, female_urls},
+      {:male, :age, male_urls},
+      {:female, :expanded, e_female_urls},
+      {:male, :expanded, e_male_urls}
+    ]
+    |> Enum.map(&Task.async(__MODULE__, :process_gender, [&1]))
+    |> Task.await_many()
+    |> merge()
+  end
+
+  def process_gender({gender, category, urls}) do
+    urls
+    |> Enum.map(&Task.async(__MODULE__, :process, [gender, category, &1]))
+    |> Task.await_many()
+    |> merge()
+  end
+
+  def process(gender, category, url) do
+    url
+    |> fetch!()
+    |> extract!(url)
+    |> convert(gender, category, url)
+  end
+
+  def fetch!(url) do
+    req =
+      [url: url]
+      |> Keyword.merge(
+        :wabanex
+        |> Application.get_env(__MODULE__, [])
+        |> Keyword.get(:who_req_options, [])
+      )
+      |> Req.new()
+
+    case Req.get(req) do
+      {:ok, %{status: 200, body: body}} ->
+        body
+
+      _ ->
+        raise("fetch failed for url #{url}")
+    end
+  end
+
+  def extract!(content, url) do
+    with {:ok, package} <- XlsxReader.open(content, source: :binary),
+         [sheet_name | _] <- XlsxReader.sheet_names(package),
+         {:ok, data} <- XlsxReader.sheet(package, sheet_name) do
+      data
+    else
+      _ -> raise("failed to extract excel for #{url}")
+    end
+  end
+
+  @common_header ~w(source category gender age_unit age l m s sd3neg sd2neg sd1neg sd0 sd1 sd2 sd3)
+
+  # FIX: (jpd) weight for lenght/height does not have an age in the header row
+  def convert([header | rows], gender, category, url) do
+    age_unit = header |> hd() |> String.downcase()
+
+    fixed_header = header |> tl() |> Enum.map(&String.downcase/1) |> Enum.map(&String.trim/1)
+
+    parsed_header = ["source" | ["category" | ["gender" | ["age_unit" | ["age" | fixed_header]]]]]
+
+    # NOTE: (jpd): parsing the rows consist in:
+    # 1. convert row values to decimal
+    # 2. prepend the values url source, gender, and age unit
+    # 3. convert row to keyword list using the parsed header
+    # 4. convert from keyword list to map
+    # 5. fetch common values based on common headers
+    # 6. sort row values based on common headers
+    parsed_rows =
+      rows
+      |> Stream.map(fn row -> Enum.map(row, &Decimal.new/1) end)
+      |> Stream.map(&[url | [category | [gender | [age_unit | &1]]]])
+      |> Stream.map(&Enum.zip(parsed_header, &1))
+      |> Stream.map(&Map.new/1)
+      |> Stream.map(&Map.take(&1, @common_header))
+      |> Enum.map(fn row ->
+        Enum.map(@common_header, fn key -> Map.get(row, key) end)
+      end)
+
+    [@common_header | parsed_rows]
+  end
+
+  def merge(datum) do
+    datum
+    |> Stream.with_index()
+    |> Stream.map(fn
+      {data, 0} ->
+        data
+
+      {[_ | data], _} ->
+        data
+    end)
+    |> Enum.reduce([], fn data, accum ->
+      Enum.concat(accum, data)
+    end)
+  end
+
+  def as_csv(data) do
+    IndicatorParser.dump_to_iodata(data)
+  end
+
+  def save(data, measurement) do
+    :wabanex
+    |> Application.app_dir(["priv", "growth", "indicators", "#{measurement}.csv"])
+    |> File.write(data)
+  end
+end

lib/growth/indicators/load.ex

@@ -0,0 +1,190 @@
+defmodule Growth.Indicators.Load do
+  @moduledoc """
+  Load local indicators csv files into ets.
+
+  For each measurement an ets table is created, so the system has the following tables:
+
+  * `Growth.Score.ArmCircumference`
+  * `Growth.Score.BMI`
+  * `Growth.Score.HeadCircumference`
+  * `Growth.Score.Height`
+  * `Growth.Score.SubscapularSkinfold`
+  * `Growth.Score.TricepsSkinfold`
+  * `Growth.Score.Weight`
+  * `Growth.Score.WeightForHeight`
+
+  The rows in the csv files are converted to two tuple, representing the a key and value, with the following format:
+
+  * **key**: `{gender, unit, t-value}`
+  * **value**: map with the keys:
+    * l
+    * m
+    * s
+    * sd3neg
+    * sd2neg
+    * sd1neg
+    * sd0
+    * sd1
+    * sd2
+    * sd3
+    * source
+    * category
+
+  """
+
+  use Task
+
+  require Logger
+
+  alias Growth.Score
+
+  @measure_to_score [
+    arm_circumference_for_age: Score.ArmCircumference,
+    bmi_for_age: Score.BMI,
+    head_circumference_for_age: Score.HeadCircumference,
+    height_for_age: Score.Height,
+    subscapular_skinfold_for_age: Score.SubscapularSkinfold,
+    triceps_skinfold_for_age: Score.TricepsSkinfold,
+    weight_for_age: Score.Weight,
+    weight_for_height: Score.WeightForHeight
+  ]
+
+  @doc false
+  def start_link(_) do
+    _ =
+      Enum.map(@measure_to_score, fn {_, measure} ->
+        create_ets(measure)
+      end)
+
+    Task.start_link(__MODULE__, :all, [])
+  end
+
+  @spec all :: [[boolean()]]
+  @doc """
+  Load indicators csv files into their own ets tables.
+  """
+  def all do
+    Logger.debug("load growth indicators")
+
+    :wabanex
+    |> Application.app_dir(["priv", "growth", "indicators", "*.csv"])
+    |> Path.wildcard()
+    |> Enum.map(&create_ets_from_filename/1)
+    |> Enum.map(&Task.async(__MODULE__, :load_measure, [&1]))
+    |> Task.await_many()
+  end
+
+  @spec create_ets(module()) :: module()
+  @doc """
+  Create a public ets table for the growth module, using it as the table name.
+
+  Returns the given module.
+  """
+  def create_ets(measure) do
+    try do
+      :ets.new(measure, [:set, :public, :named_table])
+    rescue
+      _ ->
+        nil
+    end
+
+    measure
+  end
+
+  @spec create_ets_from_filename(String.t()) :: {atom(), String.t()}
+  @doc """
+  Create ets table based on filename and return a tuple with the ets table name and filename.
+  """
+  def create_ets_from_filename(filename) do
+    measure =
+      filename
+      |> Path.basename()
+      |> Path.rootname()
+      |> String.to_atom()
+      |> then(&Keyword.get(@measure_to_score, &1, &1))
+      |> create_ets()
+
+    {measure, filename}
+  end
+
+  @spec load_measure({atom(), String.t()}) :: [boolean()]
+  @doc """
+  Read, convert, and load a measure/filename into the proper ets table.
+  """
+  def load_measure({measure, filename}) do
+    Logger.debug("load data from #{filename} into #{measure}")
+
+    filename
+    |> read()
+    |> convert()
+    |> load(measure)
+  end
+
+  @spec read(String.t()) :: Enumerable.t()
+  @doc false
+  def read(filename) do
+    filename
+    |> File.stream!()
+    |> IndicatorParser.parse_stream()
+  end
+
+  @spec convert(Enumerable.t()) :: Enumerable.t()
+  @doc false
+  def convert(data) do
+    Stream.map(data, fn [
+                          source,
+                          category,
+                          gender,
+                          unit,
+                          t,
+                          l,
+                          m,
+                          s,
+                          sd3neg,
+                          sd2neg,
+                          sd1neg,
+                          sd0,
+                          sd1,
+                          sd2,
+                          sd3
+                        ] ->
+      converted_t =
+        if unit in ~w(day week month) do
+          as_integer(t)
+        else
+          as_float(t)
+        end
+
+      key = {String.to_atom(gender), String.to_atom(unit), converted_t}
+
+      value = %{
+        l: as_float(l),
+        m: as_float(m),
+        s: as_float(s),
+        sd3neg: as_float(sd3neg),
+        sd2neg: as_float(sd2neg),
+        sd1neg: as_float(sd1neg),
+        sd0: as_float(sd0),
+        sd1: as_float(sd1),
+        sd2: as_float(sd2),
+        sd3: as_float(sd3),
+        source: source,
+        category: category
+      }
+
+      {key, value}
+    end)
+  end
+
+  @spec load(Enumerable.t(), atom()) :: [boolean()]
+  @doc false
+  def load(data, ets_table) do
+    Enum.map(data, fn {key, value} ->
+      :ets.insert_new(ets_table, {key, value})
+    end)
+  end
+
+  defp as_integer(value), do: value |> Integer.parse() |> elem(0)
+
+  defp as_float(value), do: value |> Float.parse() |> elem(0)
+end

lib/growth/score/arm_circumference.ex

@@ -0,0 +1,18 @@
+defmodule Growth.Score.ArmCircumference do
+  @moduledoc """
+  Calculate z-score for arm circumference for age.
+  """
+
+  @behaviour Growth.Score.Scorer
+
+  alias Growth.Score.Scorer
+
+  @impl Scorer
+  @spec measure_name() :: atom()
+  @doc """
+  Name of the measurement used in arm circumference indicator.
+  """
+  def measure_name do
+    :arm_circumference
+  end
+end

lib/growth/score/bmi.ex

@@ -0,0 +1,18 @@
+defmodule Growth.Score.BMI do
+  @moduledoc """
+  Calculate z-score for body mass index for age.
+  """
+
+  @behaviour Growth.Score.Scorer
+
+  alias Growth.Score.Scorer
+
+  @impl Scorer
+  @spec measure_name() :: atom()
+  @doc """
+  Name of the measurement used in BMI indicator.
+  """
+  def measure_name do
+    :bmi
+  end
+end

lib/growth/score/head_circumference.ex

@@ -0,0 +1,18 @@
+defmodule Growth.Score.HeadCircumference do
+  @moduledoc """
+  Calculate z-score for head circumference for age.
+  """
+
+  @behaviour Growth.Score.Scorer
+
+  alias Growth.Score.Scorer
+
+  @impl Scorer
+  @spec measure_name() :: atom()
+  @doc """
+  Name of the measurement used in head circumference indicator.
+  """
+  def measure_name do
+    :head_circumference
+  end
+end

lib/growth/score/height.ex

@@ -0,0 +1,18 @@
+defmodule Growth.Score.Height do
+  @moduledoc """
+  Calculate z-score for height for age.
+  """
+
+  @behaviour Growth.Score.Scorer
+
+  alias Growth.Score.Scorer
+
+  @impl Scorer
+  @spec measure_name() :: atom()
+  @doc """
+  Name of the measurement used in height indicator.
+  """
+  def measure_name do
+    :height
+  end
+end

lib/growth/score/scorer.ex

@@ -0,0 +1,96 @@
+defmodule Growth.Score.Scorer do
+  @moduledoc """
+  Behaviour defining common interface to calculate z-score and percentile for a given measurement.
+  """
+
+  alias Growth.Calc.Percentile
+  alias Growth.Calc.ZScore
+
+  @callback measure_name() :: atom()
+
+  @spec results(Growth.t(), [module()]) :: Growth.t()
+  @doc """
+  Add z-score and centile values in growth measurements `results` for each indicator.
+  """
+  def results(growth, indicators) do
+    Enum.reduce(indicators, growth, &result/2)
+  end
+
+  @spec result(module(), Growth.t()) :: Growth.t()
+  @doc """
+  Calculate z-score and percentile values for the given indicator and add them to the growth measurement `results`.
+  """
+  def result(indicator, growth) do
+    result =
+      growth
+      |> lms(indicator)
+      |> Enum.map(fn {precision, {l, m, s}} ->
+        {precision, scores(indicator, growth, l, m, s)}
+      end)
+
+    %{growth | results: Keyword.put(growth.results, indicator.measure_name(), result)}
+  end
+
+  @spec lms(Growth.t(), module()) :: [{String.t(), {number(), number(), number()}}]
+  @doc """
+  Get the indicaator fitted values of Box-Cox transformation:
+
+  * power (`l`)
+  * median (`m`)
+  * coefficient of variation (`s`)
+
+  """
+  def lms(growth, indicator) do
+    [
+      {growth.gender, :day, growth.age_in_days},
+      {growth.gender, :week, growth.age_in_weeks},
+      {growth.gender, :month, growth.age_in_months}
+    ]
+    |> Enum.map(fn {_, precision, _} = key ->
+      case :ets.lookup(indicator, key) do
+        [{^key, %{l: l, m: m, s: s}} | _] ->
+          {precision, {l, m, s}}
+
+        _ ->
+          nil
+      end
+    end)
+    |> Enum.reject(&is_nil/1)
+  end
+
+  @doc """
+  Calculate the z-score and percentile of an indicator measurement.
+  """
+  @spec scores(module(), Growth.t(), ZScore.l(), ZScore.m(), ZScore.s()) ::
+          {Growth.measure(), Growth.measure()}
+  def scores(indicator, growth, l, m, s) do
+    growth
+    |> Map.get(indicator.measure_name())
+    |> z_score(l, m, s)
+    |> then(fn score -> {score, percentile(score)} end)
+  end
+
+  @doc """
+  Check `Growth.Calc.ZScore.compute/4`.
+  """
+  @spec z_score(Growth.measure(), ZScore.l(), ZScore.m(), ZScore.s()) :: Growth.measure()
+  def z_score(nil, _, _, _) do
+    nil
+  end
+
+  def z_score(value, l, m, s) do
+    ZScore.compute(value, l, m, s)
+  end
+
+  @doc """
+  Check `Growth.Calc.Percentile.compute/1`.
+  """
+  @spec percentile(Growth.measure()) :: Growth.measure()
+  def percentile(nil) do
+    nil
+  end
+
+  def percentile(score) do
+    Percentile.compute(score)
+  end
+end

lib/growth/score/subscapular_skinfold.ex

@@ -0,0 +1,18 @@
+defmodule Growth.Score.SubscapularSkinfold do
+  @moduledoc """
+  Calculate z-score for subscapular skinfold for age.
+  """
+
+  @behaviour Growth.Score.Scorer
+
+  alias Growth.Score.Scorer
+
+  @impl Scorer
+  @spec measure_name() :: atom()
+  @doc """
+  Name of the measurement used in subscapular skinfold indicator.
+  """
+  def measure_name do
+    :subscapular_skinfold
+  end
+end

lib/growth/score/triceps_skinfold.ex

@@ -0,0 +1,18 @@
+defmodule Growth.Score.TricepsSkinfold do
+  @moduledoc """
+  Calculate z-score for triceps skinfold for age.
+  """
+
+  @behaviour Growth.Score.Scorer
+
+  alias Growth.Score.Scorer
+
+  @impl Scorer
+  @spec measure_name() :: atom()
+  @doc """
+  Name of the measurement used in triceps skinfold indicator.
+  """
+  def measure_name do
+    :triceps_skinfold
+  end
+end

lib/growth/score/weight.ex

@@ -0,0 +1,18 @@
+defmodule Growth.Score.Weight do
+  @moduledoc """
+  Calculate z-score for weight for age.
+  """
+
+  @behaviour Growth.Score.Scorer
+
+  alias Growth.Score.Scorer
+
+  @impl Scorer
+  @spec measure_name() :: atom()
+  @doc """
+  Name of the measurement used in weight indicator.
+  """
+  def measure_name do
+    :weight
+  end
+end

lib/growth/score/weight_for_height.ex

@@ -0,0 +1,95 @@
+defmodule Growth.Score.WeightForHeight do
+  @moduledoc """
+  Calculate z-score for weight for height.
+
+  This module calculates the z-score for weight relative to height, which is an important
+  indicator for assessing whether a child's weight is appropriate for their height,
+  regardless of age.
+
+  **Limitation**: the memasurements do not differentiate between length and height, and
+  always assume height.
+  """
+
+  @behaviour Growth.Score.Scorer
+
+  alias Growth.Score.Scorer
+
+  @impl Scorer
+  @spec measure_name() :: atom()
+  @doc """
+  Name of the measurement used in weight for height indicator.
+  """
+  def measure_name do
+    :weight_for_height
+  end
+
+  @doc """
+  Custom implementation for weight-for-height lookup, as it requires both weight and height.
+
+  This overrides the default implementation in the Scorer module.
+  """
+  @spec lms(Growth.t(), module()) :: [{String.t(), {number(), number(), number()}}]
+  def lms(%Growth{gender: gender, weight: weight, height: height}, _indicator)
+      when is_number(weight) and is_number(height) do
+    # For weight-for-height, we use height as the lookup value instead of age
+    key = {{gender, :height, height}, :_}
+
+    case :ets.match_object(__MODULE__, key) do
+      [{{^gender, _, ^height}, %{l: l, m: m, s: s}} | _] ->
+        [{"height", {l, m, s}}]
+
+      _ ->
+        # Try to find the closest height value
+        find_closest_height(gender, height)
+    end
+  end
+
+  def lms(_growth, _indicator) do
+    []
+  end
+
+  @doc """
+  Find the closest height value in the ETS table when an exact match isn't found.
+  """
+  @spec find_closest_height(Growth.gender(), number()) :: [
+          {String.t(), {number(), number(), number()}}
+        ]
+  def find_closest_height(gender, height) do
+    # Fetch all entries for the given gender and height measurement
+    matcher = [
+      {
+        {{:"$1", :"$2", :"$3"}, :_},
+        [
+          {:andalso,
+           {:andalso, {:andalso, {:==, :"$1", gender}, {:==, :"$2", :height}},
+            {:>, :"$3", height - 1.0}}, {:<, :"$3", height + 1.0}}
+        ],
+        [:"$_"]
+      }
+    ]
+
+    gender_height_entries = :ets.select(__MODULE__, matcher)
+
+    case gender_height_entries do
+      [] ->
+        # No entries found for this gender
+        []
+
+      entries ->
+        # Find the entry with the height closest to the target height
+        closest_entry =
+          entries
+          |> Enum.filter(fn {{_, _, entry_height}, _lms_data} ->
+            abs(entry_height - height) <= 0.5
+          end)
+          |> Enum.min_by(fn {{_, _, entry_height}, _lms_data} ->
+            abs(entry_height - height)
+          end)
+
+        # Extract the LMS data from the closest entry
+        {_, %{l: l, m: m, s: s}} = closest_entry
+
+        [{"height", {l, m, s}}]
+    end
+  end
+end

lib/wabanex/application.ex

@@ -9,6 +9,7 @@ defmodule Wabanex.Application do
       Wabanex.Repo,
       WabanexWeb.Telemetry,
       {Phoenix.PubSub, name: Wabanex.PubSub},
+      {Growth.Indicators.Load, []},
       {DNSCluster,
        query: Application.get_env(:wabanex, :dns_cluster_query) || :ignore,
        log: :info,

mix.exs

@@ -32,28 +32,34 @@ defmodule Wabanex.MixProject do
       {:absinthe, "~> 1.7.0"},
       {:absinthe_plug,
        git: "https://github.com/absinthe-graphql/absinthe_plug.git",
-       ref: "307c8bb14f9eec8a5cd77842366ac4eae7f17d76"},
+       ref: "24ec7aa3b513c7c1aa79e5cad1197cb138603972"},
       {:credo, "~> 1.7.0", only: [:dev, :test], runtime: false},
       {:crudry, "~> 2.4.0"},
+      {:decimal, "~> 2.3.0"},
       {:dialyxir, "~> 1.4.0", only: [:dev, :test], runtime: false},
-      {:dns_cluster, "~> 0.1.1"},
-      {:ecto_sql, "~> 3.12.0"},
+      {:dns_cluster, "~> 0.2.0"},
+      {:ecto_sql, "~> 3.13.0"},
+      {:elixlsx, "~> 0.6.0", only: :test},
+      {:ex_doc, "~> 0.38.0", only: :dev, runtime: false},
       {:gettext, "~> 0.26.0"},
       {:jason, "~> 1.4.0"},
       {:junit_formatter, "~> 3.4.0", only: [:test]},
       {:lcov_ex, "~> 0.3.0", only: [:dev, :test], runtime: false},
       {:mix_audit, "~> 2.1.0", only: [:dev, :test], runtime: false},
+      {:nimble_csv, "~> 1.2.0"},
       {:pg_ranges, "~> 1.1.0"},
       {:phoenix, "~> 1.7.0"},
       {:phoenix_ecto, "~> 4.6.0"},
-      {:phoenix_view, "~> 2.0.0"},
       {:phoenix_live_dashboard, "~> 0.8.0"},
+      {:phoenix_view, "~> 2.0.0"},
       {:plug_cowboy, "~> 2.7.0"},
       {:postgrex, "~> 0.20.0"},
       {:prom_ex, "~> 1.11.0"},
-      {:sobelow, "~> 0.13", only: [:dev, :test], runtime: false},
+      {:req, "~> 0.5.0"},
+      {:sobelow, "~> 0.14", only: [:dev, :test], runtime: false},
       {:telemetry_metrics, "~> 1.1.0"},
-      {:telemetry_poller, "~> 1.1.0"}
+      {:telemetry_poller, "~> 1.2.0"},
+      {:xlsx_reader, "~> 0.8.0"}
     ]
   end
 

mix.lock

@@ -1,59 +1,69 @@
 %{
-  "absinthe": {:hex, :absinthe, "1.7.8", "43443d12ad2b4fcce60e257ac71caf3081f3d5c4ddd5eac63a02628bcaf5b556", [:mix], [{:dataloader, "~> 1.0.0 or ~> 2.0", [hex: :dataloader, repo: "hexpm", optional: true]}, {:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}, {:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}, {:opentelemetry_process_propagator, "~> 0.2.1 or ~> 0.3", [hex: :opentelemetry_process_propagator, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "c4085df201892a498384f997649aedb37a4ce8a726c170d5b5617ed3bf45d40b"},
-  "absinthe_plug": {:git, "https://github.com/absinthe-graphql/absinthe_plug.git", "307c8bb14f9eec8a5cd77842366ac4eae7f17d76", [ref: "307c8bb14f9eec8a5cd77842366ac4eae7f17d76"]},
+  "absinthe": {:hex, :absinthe, "1.7.10", "b33471b593260f148d05e4d771d1857e07b70a680f89cfa75184098bef4ec893", [:mix], [{:dataloader, "~> 1.0.0 or ~> 2.0", [hex: :dataloader, repo: "hexpm", optional: true]}, {:decimal, "~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}, {:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}, {:opentelemetry_process_propagator, "~> 0.2.1 or ~> 0.3", [hex: :opentelemetry_process_propagator, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "ffda95735364c041a65a4b0e02ffb04eabb1e52ab664fa7eeecefb341449e8c2"},
+  "absinthe_plug": {:git, "https://github.com/absinthe-graphql/absinthe_plug.git", "24ec7aa3b513c7c1aa79e5cad1197cb138603972", [ref: "24ec7aa3b513c7c1aa79e5cad1197cb138603972"]},
   "bunt": {:hex, :bunt, "1.0.0", "081c2c665f086849e6d57900292b3a161727ab40431219529f13c4ddcf3e7a44", [:mix], [], "hexpm", "dc5f86aa08a5f6fa6b8096f0735c4e76d54ae5c9fa2c143e5a1fc7c1cd9bb6b5"},
-  "castore": {:hex, :castore, "1.0.11", "4bbd584741601eb658007339ea730b082cc61f3554cf2e8f39bf693a11b49073", [:mix], [], "hexpm", "e03990b4db988df56262852f20de0f659871c35154691427a5047f4967a16a62"},
-  "cowboy": {:hex, :cowboy, "2.12.0", "f276d521a1ff88b2b9b4c54d0e753da6c66dd7be6c9fca3d9418b561828a3731", [:make, :rebar3], [{:cowlib, "2.13.0", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "1.8.0", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "8a7abe6d183372ceb21caa2709bec928ab2b72e18a3911aa1771639bef82651e"},
+  "castore": {:hex, :castore, "1.0.14", "4582dd7d630b48cf5e1ca8d3d42494db51e406b7ba704e81fbd401866366896a", [:mix], [], "hexpm", "7bc1b65249d31701393edaaac18ec8398d8974d52c647b7904d01b964137b9f4"},
+  "cowboy": {:hex, :cowboy, "2.13.0", "09d770dd5f6a22cc60c071f432cd7cb87776164527f205c5a6b0f24ff6b38990", [:make, :rebar3], [{:cowlib, ">= 2.14.0 and < 3.0.0", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, ">= 1.8.0 and < 3.0.0", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "e724d3a70995025d654c1992c7b11dbfea95205c047d86ff9bf1cda92ddc5614"},
   "cowboy_telemetry": {:hex, :cowboy_telemetry, "0.4.0", "f239f68b588efa7707abce16a84d0d2acf3a0f50571f8bb7f56a15865aae820c", [:rebar3], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "7d98bac1ee4565d31b62d59f8823dfd8356a169e7fcbb83831b8a5397404c9de"},
-  "cowlib": {:hex, :cowlib, "2.13.0", "db8f7505d8332d98ef50a3ef34b34c1afddec7506e4ee4dd4a3a266285d282ca", [:make, :rebar3], [], "hexpm", "e1e1284dc3fc030a64b1ad0d8382ae7e99da46c3246b815318a4b848873800a4"},
-  "credo": {:hex, :credo, "1.7.11", "d3e805f7ddf6c9c854fd36f089649d7cf6ba74c42bc3795d587814e3c9847102", [:mix], [{:bunt, "~> 0.2.1 or ~> 1.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "56826b4306843253a66e47ae45e98e7d284ee1f95d53d1612bb483f88a8cf219"},
+  "cowlib": {:hex, :cowlib, "2.15.0", "3c97a318a933962d1c12b96ab7c1d728267d2c523c25a5b57b0f93392b6e9e25", [:make, :rebar3], [], "hexpm", "4f00c879a64b4fe7c8fcb42a4281925e9ffdb928820b03c3ad325a617e857532"},
+  "credo": {:hex, :credo, "1.7.12", "9e3c20463de4b5f3f23721527fcaf16722ec815e70ff6c60b86412c695d426c1", [:mix], [{:bunt, "~> 0.2.1 or ~> 1.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "8493d45c656c5427d9c729235b99d498bd133421f3e0a683e5c1b561471291e5"},
   "crudry": {:hex, :crudry, "2.4.0", "d175f1a8ee44456e852ae6b4d75997642a3e2a9f62ac28e4736656856c80dff5", [:mix], [{:absinthe, ">= 1.4.0", [hex: :absinthe, repo: "hexpm", optional: false]}, {:ecto, ">= 3.0.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:gettext, ">= 0.0.0", [hex: :gettext, repo: "hexpm", optional: false]}], "hexpm", "a14150b3f82e060e602d67f2c52c6195f0fefb49aee7d226d68dc3b83b8f58dc"},
   "db_connection": {:hex, :db_connection, "2.7.0", "b99faa9291bb09892c7da373bb82cba59aefa9b36300f6145c5f201c7adf48ec", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "dcf08f31b2701f857dfc787fbad78223d61a32204f217f15e881dd93e4bdd3ff"},
   "decimal": {:hex, :decimal, "2.3.0", "3ad6255aa77b4a3c4f818171b12d237500e63525c2fd056699967a3e7ea20f62", [:mix], [], "hexpm", "a4d66355cb29cb47c3cf30e71329e58361cfcb37c34235ef3bf1d7bf3773aeac"},
   "dialyxir": {:hex, :dialyxir, "1.4.5", "ca1571ac18e0f88d4ab245f0b60fa31ff1b12cbae2b11bd25d207f865e8ae78a", [:mix], [{:erlex, ">= 0.2.7", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "b0fb08bb8107c750db5c0b324fa2df5ceaa0f9307690ee3c1f6ba5b9eb5d35c3"},
-  "dns_cluster": {:hex, :dns_cluster, "0.1.3", "0bc20a2c88ed6cc494f2964075c359f8c2d00e1bf25518a6a6c7fd277c9b0c66", [:mix], [], "hexpm", "46cb7c4a1b3e52c7ad4cbe33ca5079fbde4840dedeafca2baf77996c2da1bc33"},
-  "ecto": {:hex, :ecto, "3.12.5", "4a312960ce612e17337e7cefcf9be45b95a3be6b36b6f94dfb3d8c361d631866", [:mix], [{:decimal, "~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "6eb18e80bef8bb57e17f5a7f068a1719fbda384d40fc37acb8eb8aeca493b6ea"},
-  "ecto_sql": {:hex, :ecto_sql, "3.12.1", "c0d0d60e85d9ff4631f12bafa454bc392ce8b9ec83531a412c12a0d415a3a4d0", [:mix], [{:db_connection, "~> 2.4.1 or ~> 2.5", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.12", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.7", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.19 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.1 or ~> 2.2", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "aff5b958a899762c5f09028c847569f7dfb9cc9d63bdb8133bff8a5546de6bf5"},
+  "dns_cluster": {:hex, :dns_cluster, "0.2.0", "aa8eb46e3bd0326bd67b84790c561733b25c5ba2fe3c7e36f28e88f384ebcb33", [:mix], [], "hexpm", "ba6f1893411c69c01b9e8e8f772062535a4cf70f3f35bcc964a324078d8c8240"},
+  "earmark_parser": {:hex, :earmark_parser, "1.4.44", "f20830dd6b5c77afe2b063777ddbbff09f9759396500cdbe7523efd58d7a339c", [:mix], [], "hexpm", "4778ac752b4701a5599215f7030989c989ffdc4f6df457c5f36938cc2d2a2750"},
+  "ecto": {:hex, :ecto, "3.13.1", "ebb11c2f0307ff62e8aaba57def59ad920a3cbd89d002b1118944cbf598c13c7", [:mix], [{:decimal, "~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "d9ea5075a6f3af9cd2cdbabe8a0759eb73b485e981fd7c03014f79479ac85340"},
+  "ecto_sql": {:hex, :ecto_sql, "3.13.1", "d3d76d78afd2757644b5c4f7ca37f90bcf1e05d05a06cca8526e30cefb0034a1", [:mix], [{:db_connection, "~> 2.4.1 or ~> 2.5", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.13.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.7", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.19 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.1 or ~> 2.2", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "5fba0174284fd339f69376b0405942036ce5f0ff7d59402a6ccf3b7ce2903198"},
+  "elixlsx": {:hex, :elixlsx, "0.6.0", "858c2c821ab52f4ca0988adce188d19f3b239a4fff8b36b26cd81ec8af9b2ab3", [:mix], [], "hexpm", "c4766f47afea075a85950a5c6fe981e98b8b8a30cc076382aaacf2bb8dbcd25d"},
   "erlex": {:hex, :erlex, "0.2.7", "810e8725f96ab74d17aac676e748627a07bc87eb950d2b83acd29dc047a30595", [:mix], [], "hexpm", "3ed95f79d1a844c3f6bf0cea61e0d5612a42ce56da9c03f01df538685365efb0"},
+  "ex_doc": {:hex, :ex_doc, "0.38.2", "504d25eef296b4dec3b8e33e810bc8b5344d565998cd83914ffe1b8503737c02", [:mix], [{:earmark_parser, "~> 1.4.44", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "732f2d972e42c116a70802f9898c51b54916e542cc50968ac6980512ec90f42b"},
   "expo": {:hex, :expo, "1.1.0", "f7b9ed7fb5745ebe1eeedf3d6f29226c5dd52897ac67c0f8af62a07e661e5c75", [:mix], [], "hexpm", "fbadf93f4700fb44c331362177bdca9eeb8097e8b0ef525c9cc501cb9917c960"},
   "file_system": {:hex, :file_system, "1.1.0", "08d232062284546c6c34426997dd7ef6ec9f8bbd090eb91780283c9016840e8f", [:mix], [], "hexpm", "bfcf81244f416871f2a2e15c1b515287faa5db9c6bcf290222206d120b3d43f6"},
   "finch": {:hex, :finch, "0.19.0", "c644641491ea854fc5c1bbaef36bfc764e3f08e7185e1f084e35e0672241b76d", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.6.2 or ~> 1.7", [hex: :mint, repo: "hexpm", optional: false]}, {:nimble_options, "~> 0.4 or ~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 1.1", [hex: :nimble_pool, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "fc5324ce209125d1e2fa0fcd2634601c52a787aff1cd33ee833664a5af4ea2b6"},
   "gettext": {:hex, :gettext, "0.26.2", "5978aa7b21fada6deabf1f6341ddba50bc69c999e812211903b169799208f2a8", [:mix], [{:expo, "~> 0.5.1 or ~> 1.0", [hex: :expo, repo: "hexpm", optional: false]}], "hexpm", "aa978504bcf76511efdc22d580ba08e2279caab1066b76bb9aa81c4a1e0a32a5"},
-  "hpax": {:hex, :hpax, "1.0.2", "762df951b0c399ff67cc57c3995ec3cf46d696e41f0bba17da0518d94acd4aac", [:mix], [], "hexpm", "2f09b4c1074e0abd846747329eaa26d535be0eb3d189fa69d812bfb8bfefd32f"},
+  "hpax": {:hex, :hpax, "1.0.3", "ed67ef51ad4df91e75cc6a1494f851850c0bd98ebc0be6e81b026e765ee535aa", [:mix], [], "hexpm", "8eab6e1cfa8d5918c2ce4ba43588e894af35dbd8e91e6e55c817bca5847df34a"},
   "jason": {:hex, :jason, "1.4.4", "b9226785a9aa77b6857ca22832cffa5d5011a667207eb2a0ad56adb5db443b8a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "c5eb0cab91f094599f94d55bc63409236a8ec69a21a67814529e8d5f6cc90b3b"},
   "junit_formatter": {:hex, :junit_formatter, "3.4.0", "d0e8db6c34dab6d3c4154c3b46b21540db1109ae709d6cf99ba7e7a2ce4b1ac2", [:mix], [], "hexpm", "bb36e2ae83f1ced6ab931c4ce51dd3dbef1ef61bb4932412e173b0cfa259dacd"},
   "lcov_ex": {:hex, :lcov_ex, "0.3.4", "f48aed787db0d1cff1409db391f442cdbc0af0f860dbc326430030027e6ded36", [:mix], [], "hexpm", "c3987b6aeadd78d4b7933fa9cc4de3bd69d34f0fae39bad908f79a7ceea957e5"},
-  "mime": {:hex, :mime, "2.0.6", "8f18486773d9b15f95f4f4f1e39b710045fa1de891fada4516559967276e4dc2", [:mix], [], "hexpm", "c9945363a6b26d747389aac3643f8e0e09d30499a138ad64fe8fd1d13d9b153e"},
-  "mint": {:hex, :mint, "1.6.2", "af6d97a4051eee4f05b5500671d47c3a67dac7386045d87a904126fd4bbcea2e", [:mix], [{:castore, "~> 0.1.0 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:hpax, "~> 0.1.1 or ~> 0.2.0 or ~> 1.0", [hex: :hpax, repo: "hexpm", optional: false]}], "hexpm", "5ee441dffc1892f1ae59127f74afe8fd82fda6587794278d924e4d90ea3d63f9"},
-  "mix_audit": {:hex, :mix_audit, "2.1.4", "0a23d5b07350cdd69001c13882a4f5fb9f90fbd4cbf2ebc190a2ee0d187ea3e9", [:make, :mix], [{:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}, {:yaml_elixir, "~> 2.11", [hex: :yaml_elixir, repo: "hexpm", optional: false]}], "hexpm", "fd807653cc8c1cada2911129c7eb9e985e3cc76ebf26f4dd628bb25bbcaa7099"},
+  "makeup": {:hex, :makeup, "1.2.1", "e90ac1c65589ef354378def3ba19d401e739ee7ee06fb47f94c687016e3713d1", [:mix], [{:nimble_parsec, "~> 1.4", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "d36484867b0bae0fea568d10131197a4c2e47056a6fbe84922bf6ba71c8d17ce"},
+  "makeup_elixir": {:hex, :makeup_elixir, "1.0.1", "e928a4f984e795e41e3abd27bfc09f51db16ab8ba1aebdba2b3a575437efafc2", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "7284900d412a3e5cfd97fdaed4f5ed389b8f2b4cb49efc0eb3bd10e2febf9507"},
+  "makeup_erlang": {:hex, :makeup_erlang, "1.0.2", "03e1804074b3aa64d5fad7aa64601ed0fb395337b982d9bcf04029d68d51b6a7", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "af33ff7ef368d5893e4a267933e7744e46ce3cf1f61e2dccf53a111ed3aa3727"},
+  "mime": {:hex, :mime, "2.0.7", "b8d739037be7cd402aee1ba0306edfdef982687ee7e9859bee6198c1e7e2f128", [:mix], [], "hexpm", "6171188e399ee16023ffc5b76ce445eb6d9672e2e241d2df6050f3c771e80ccd"},
+  "mint": {:hex, :mint, "1.7.1", "113fdb2b2f3b59e47c7955971854641c61f378549d73e829e1768de90fc1abf1", [:mix], [{:castore, "~> 0.1.0 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:hpax, "~> 0.1.1 or ~> 0.2.0 or ~> 1.0", [hex: :hpax, repo: "hexpm", optional: false]}], "hexpm", "fceba0a4d0f24301ddee3024ae116df1c3f4bb7a563a731f45fdfeb9d39a231b"},
+  "mix_audit": {:hex, :mix_audit, "2.1.5", "c0f77cee6b4ef9d97e37772359a187a166c7a1e0e08b50edf5bf6959dfe5a016", [:make, :mix], [{:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}, {:yaml_elixir, "~> 2.11", [hex: :yaml_elixir, repo: "hexpm", optional: false]}], "hexpm", "87f9298e21da32f697af535475860dc1d3617a010e0b418d2ec6142bc8b42d69"},
+  "nimble_csv": {:hex, :nimble_csv, "1.2.0", "4e26385d260c61eba9d4412c71cea34421f296d5353f914afe3f2e71cce97722", [:mix], [], "hexpm", "d0628117fcc2148178b034044c55359b26966c6eaa8e2ce15777be3bbc91b12a"},
   "nimble_options": {:hex, :nimble_options, "1.1.1", "e3a492d54d85fc3fd7c5baf411d9d2852922f66e69476317787a7b2bb000a61b", [:mix], [], "hexpm", "821b2470ca9442c4b6984882fe9bb0389371b8ddec4d45a9504f00a66f650b44"},
   "nimble_parsec": {:hex, :nimble_parsec, "1.4.2", "8efba0122db06df95bfaa78f791344a89352ba04baedd3849593bfce4d0dc1c6", [:mix], [], "hexpm", "4b21398942dda052b403bbe1da991ccd03a053668d147d53fb8c4e0efe09c973"},
   "nimble_pool": {:hex, :nimble_pool, "1.1.0", "bf9c29fbdcba3564a8b800d1eeb5a3c58f36e1e11d7b7fb2e084a643f645f06b", [:mix], [], "hexpm", "af2e4e6b34197db81f7aad230c1118eac993acc0dae6bc83bac0126d4ae0813a"},
   "octo_fetch": {:hex, :octo_fetch, "0.4.0", "074b5ecbc08be10b05b27e9db08bc20a3060142769436242702931c418695b19", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~> 1.1", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm", "cf8be6f40cd519d7000bb4e84adcf661c32e59369ca2827c4e20042eda7a7fc6"},
-  "peep": {:hex, :peep, "3.4.1", "0e5263710fa0b42675bd0a11fdcdd3ee4f484e319105b6ad9a576c91a5d3cb55", [:mix], [{:nimble_options, "~> 1.1", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:plug, "~> 1.16", [hex: :plug, repo: "hexpm", optional: true]}, {:telemetry_metrics, "~> 1.0", [hex: :telemetry_metrics, repo: "hexpm", optional: false]}], "hexpm", "7a9b8c1f17b8b9475efb27b7048afa4d89ab84ef33a3d1df13696c85c12cd632"},
+  "peep": {:hex, :peep, "3.5.0", "9f6ead7b0f2c684494200c8fc02e7e62e8c459afe861b29bd859e4c96f402ed8", [:mix], [{:nimble_options, "~> 1.1", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:plug, "~> 1.16", [hex: :plug, repo: "hexpm", optional: true]}, {:telemetry_metrics, "~> 1.0", [hex: :telemetry_metrics, repo: "hexpm", optional: false]}], "hexpm", "5a73a99c6e60062415efeb7e536a663387146463a3d3df1417da31fd665ac210"},
   "pg_ranges": {:hex, :pg_ranges, "1.1.1", "304da41118282eb81ffaefc3195e379afe139867fdc5171626aec9c83d360537", [:mix], [{:decimal, "~> 2.1", [hex: :decimal, repo: "hexpm", optional: false]}, {:ecto_sql, "~> 3.11", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:postgrex, ">= 0.0.0", [hex: :postgrex, repo: "hexpm", optional: false]}], "hexpm", "d49c28628c2276d4964f0ced6cc8c140a62af6eeb05c1b86a23afed8b3a5db8c"},
-  "phoenix": {:hex, :phoenix, "1.7.18", "5310c21443514be44ed93c422e15870aef254cf1b3619e4f91538e7529d2b2e4", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 2.1", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 2.0", [hex: :phoenix_view, repo: "hexpm", optional: true]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.7", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:plug_crypto, "~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:websock_adapter, "~> 0.5.3", [hex: :websock_adapter, repo: "hexpm", optional: false]}], "hexpm", "1797fcc82108442a66f2c77a643a62980f342bfeb63d6c9a515ab8294870004e"},
-  "phoenix_ecto": {:hex, :phoenix_ecto, "4.6.3", "f686701b0499a07f2e3b122d84d52ff8a31f5def386e03706c916f6feddf69ef", [:mix], [{:ecto, "~> 3.5", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.14.2 or ~> 3.0 or ~> 4.1", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.9", [hex: :plug, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.16 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}], "hexpm", "909502956916a657a197f94cc1206d9a65247538de8a5e186f7537c895d95764"},
-  "phoenix_html": {:hex, :phoenix_html, "4.2.0", "83a4d351b66f472ebcce242e4ae48af1b781866f00ef0eb34c15030d4e2069ac", [:mix], [], "hexpm", "9713b3f238d07043583a94296cc4bbdceacd3b3a6c74667f4df13971e7866ec8"},
-  "phoenix_live_dashboard": {:hex, :phoenix_live_dashboard, "0.8.6", "7b1f0327f54c9eb69845fd09a77accf922f488c549a7e7b8618775eb603a62c7", [:mix], [{:ecto, "~> 3.6.2 or ~> 3.7", [hex: :ecto, repo: "hexpm", optional: true]}, {:ecto_mysql_extras, "~> 0.5", [hex: :ecto_mysql_extras, repo: "hexpm", optional: true]}, {:ecto_psql_extras, "~> 0.7", [hex: :ecto_psql_extras, repo: "hexpm", optional: true]}, {:ecto_sqlite3_extras, "~> 1.1.7 or ~> 1.2.0", [hex: :ecto_sqlite3_extras, repo: "hexpm", optional: true]}, {:mime, "~> 1.6 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:phoenix_live_view, "~> 0.19 or ~> 1.0", [hex: :phoenix_live_view, repo: "hexpm", optional: false]}, {:telemetry_metrics, "~> 0.6 or ~> 1.0", [hex: :telemetry_metrics, repo: "hexpm", optional: false]}], "hexpm", "1681ab813ec26ca6915beb3414aa138f298e17721dc6a2bde9e6eb8a62360ff6"},
-  "phoenix_live_view": {:hex, :phoenix_live_view, "1.0.2", "e7b1dd68c86326e2c45cc81da41e332cc8aa7228a7161e2c811dcd7f1dd14db1", [:mix], [{:floki, "~> 0.36", [hex: :floki, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix, "~> 1.6.15 or ~> 1.7.0", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 3.3 or ~> 4.0", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 2.0", [hex: :phoenix_view, repo: "hexpm", optional: true]}, {:plug, "~> 1.15", [hex: :plug, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "8a40265b0cd7d3a35f136dfa3cc048e3b198fc3718763411a78c323a44ebebee"},
+  "phoenix": {:hex, :phoenix, "1.7.21", "14ca4f1071a5f65121217d6b57ac5712d1857e40a0833aff7a691b7870fc9a3b", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 2.1", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 2.0", [hex: :phoenix_view, repo: "hexpm", optional: true]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.7", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:plug_crypto, "~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:websock_adapter, "~> 0.5.3", [hex: :websock_adapter, repo: "hexpm", optional: false]}], "hexpm", "336dce4f86cba56fed312a7d280bf2282c720abb6074bdb1b61ec8095bdd0bc9"},
+  "phoenix_ecto": {:hex, :phoenix_ecto, "4.6.4", "dcf3483ab45bab4c15e3a47c34451392f64e433846b08469f5d16c2a4cd70052", [:mix], [{:ecto, "~> 3.5", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.14.2 or ~> 3.0 or ~> 4.1", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.9", [hex: :plug, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.16 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}], "hexpm", "f5b8584c36ccc9b903948a696fc9b8b81102c79c7c0c751a9f00cdec55d5f2d7"},
+  "phoenix_html": {:hex, :phoenix_html, "4.2.1", "35279e2a39140068fc03f8874408d58eef734e488fc142153f055c5454fd1c08", [:mix], [], "hexpm", "cff108100ae2715dd959ae8f2a8cef8e20b593f8dfd031c9cba92702cf23e053"},
+  "phoenix_live_dashboard": {:hex, :phoenix_live_dashboard, "0.8.7", "405880012cb4b706f26dd1c6349125bfc903fb9e44d1ea668adaf4e04d4884b7", [:mix], [{:ecto, "~> 3.6.2 or ~> 3.7", [hex: :ecto, repo: "hexpm", optional: true]}, {:ecto_mysql_extras, "~> 0.5", [hex: :ecto_mysql_extras, repo: "hexpm", optional: true]}, {:ecto_psql_extras, "~> 0.7", [hex: :ecto_psql_extras, repo: "hexpm", optional: true]}, {:ecto_sqlite3_extras, "~> 1.1.7 or ~> 1.2.0", [hex: :ecto_sqlite3_extras, repo: "hexpm", optional: true]}, {:mime, "~> 1.6 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:phoenix_live_view, "~> 0.19 or ~> 1.0", [hex: :phoenix_live_view, repo: "hexpm", optional: false]}, {:telemetry_metrics, "~> 0.6 or ~> 1.0", [hex: :telemetry_metrics, repo: "hexpm", optional: false]}], "hexpm", "3a8625cab39ec261d48a13b7468dc619c0ede099601b084e343968309bd4d7d7"},
+  "phoenix_live_view": {:hex, :phoenix_live_view, "1.0.17", "beeb16d83a7d3760f7ad463df94e83b087577665d2acc0bf2987cd7d9778068f", [:mix], [{:floki, "~> 0.36", [hex: :floki, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix, "~> 1.6.15 or ~> 1.7.0 or ~> 1.8.0-rc", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 3.3 or ~> 4.0", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 2.0", [hex: :phoenix_view, repo: "hexpm", optional: true]}, {:plug, "~> 1.15", [hex: :plug, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "a4ca05c1eb6922c4d07a508a75bfa12c45e5f4d8f77ae83283465f02c53741e1"},
   "phoenix_pubsub": {:hex, :phoenix_pubsub, "2.1.3", "3168d78ba41835aecad272d5e8cd51aa87a7ac9eb836eabc42f6e57538e3731d", [:mix], [], "hexpm", "bba06bc1dcfd8cb086759f0edc94a8ba2bc8896d5331a1e2c2902bf8e36ee502"},
   "phoenix_template": {:hex, :phoenix_template, "1.0.4", "e2092c132f3b5e5b2d49c96695342eb36d0ed514c5b252a77048d5969330d639", [:mix], [{:phoenix_html, "~> 2.14.2 or ~> 3.0 or ~> 4.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}], "hexpm", "2c0c81f0e5c6753faf5cca2f229c9709919aba34fab866d3bc05060c9c444206"},
   "phoenix_view": {:hex, :phoenix_view, "2.0.4", "b45c9d9cf15b3a1af5fb555c674b525391b6a1fe975f040fb4d913397b31abf4", [:mix], [{:phoenix_html, "~> 2.14.2 or ~> 3.0 or ~> 4.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}], "hexpm", "4e992022ce14f31fe57335db27a28154afcc94e9983266835bb3040243eb620b"},
-  "plug": {:hex, :plug, "1.16.1", "40c74619c12f82736d2214557dedec2e9762029b2438d6d175c5074c933edc9d", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "a13ff6b9006b03d7e33874945b2755253841b238c34071ed85b0e86057f8cddc"},
-  "plug_cowboy": {:hex, :plug_cowboy, "2.7.2", "fdadb973799ae691bf9ecad99125b16625b1c6039999da5fe544d99218e662e4", [:mix], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:cowboy_telemetry, "~> 0.3", [hex: :cowboy_telemetry, repo: "hexpm", optional: false]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "245d8a11ee2306094840c000e8816f0cbed69a23fc0ac2bcf8d7835ae019bb2f"},
-  "plug_crypto": {:hex, :plug_crypto, "2.1.0", "f44309c2b06d249c27c8d3f65cfe08158ade08418cf540fd4f72d4d6863abb7b", [:mix], [], "hexpm", "131216a4b030b8f8ce0f26038bc4421ae60e4bb95c5cf5395e1421437824c4fa"},
+  "plug": {:hex, :plug, "1.18.0", "d78df36c41f7e798f2edf1f33e1727eae438e9dd5d809a9997c463a108244042", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "819f9e176d51e44dc38132e132fe0accaf6767eab7f0303431e404da8476cfa2"},
+  "plug_cowboy": {:hex, :plug_cowboy, "2.7.4", "729c752d17cf364e2b8da5bdb34fb5804f56251e88bb602aff48ae0bd8673d11", [:mix], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:cowboy_telemetry, "~> 0.3", [hex: :cowboy_telemetry, repo: "hexpm", optional: false]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "9b85632bd7012615bae0a5d70084deb1b25d2bcbb32cab82d1e9a1e023168aa3"},
+  "plug_crypto": {:hex, :plug_crypto, "2.1.1", "19bda8184399cb24afa10be734f84a16ea0a2bc65054e23a62bb10f06bc89491", [:mix], [], "hexpm", "6470bce6ffe41c8bd497612ffde1a7e4af67f36a15eea5f921af71cf3e11247c"},
   "postgrex": {:hex, :postgrex, "0.20.0", "363ed03ab4757f6bc47942eff7720640795eb557e1935951c1626f0d303a3aed", [:mix], [{:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "d36ef8b36f323d29505314f704e21a1a038e2dc387c6409ee0cd24144e187c0f"},
   "prom_ex": {:hex, :prom_ex, "1.11.0", "1f6d67f2dead92224cb4f59beb3e4d319257c5728d9638b4a5e8ceb51a4f9c7e", [:mix], [{:absinthe, ">= 1.7.0", [hex: :absinthe, repo: "hexpm", optional: true]}, {:broadway, ">= 1.1.0", [hex: :broadway, repo: "hexpm", optional: true]}, {:ecto, ">= 3.11.0", [hex: :ecto, repo: "hexpm", optional: true]}, {:finch, "~> 0.18", [hex: :finch, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}, {:oban, ">= 2.10.0", [hex: :oban, repo: "hexpm", optional: true]}, {:octo_fetch, "~> 0.4", [hex: :octo_fetch, repo: "hexpm", optional: false]}, {:peep, "~> 3.0", [hex: :peep, repo: "hexpm", optional: false]}, {:phoenix, ">= 1.7.0", [hex: :phoenix, repo: "hexpm", optional: true]}, {:phoenix_live_view, ">= 0.20.0", [hex: :phoenix_live_view, repo: "hexpm", optional: true]}, {:plug, ">= 1.16.0", [hex: :plug, repo: "hexpm", optional: true]}, {:plug_cowboy, ">= 2.6.0", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:telemetry, ">= 1.0.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:telemetry_metrics, "~> 1.0", [hex: :telemetry_metrics, repo: "hexpm", optional: false]}, {:telemetry_metrics_prometheus_core, "~> 1.2", [hex: :telemetry_metrics_prometheus_core, repo: "hexpm", optional: false]}, {:telemetry_poller, "~> 1.1", [hex: :telemetry_poller, repo: "hexpm", optional: false]}], "hexpm", "76b074bc3730f0802978a7eb5c7091a65473eaaf07e99ec9e933138dcc327805"},
-  "ranch": {:hex, :ranch, "1.8.0", "8c7a100a139fd57f17327b6413e4167ac559fbc04ca7448e9be9057311597a1d", [:make, :rebar3], [], "hexpm", "49fbcfd3682fab1f5d109351b61257676da1a2fdbe295904176d5e521a2ddfe5"},
-  "sobelow": {:hex, :sobelow, "0.13.0", "218afe9075904793f5c64b8837cc356e493d88fddde126a463839351870b8d1e", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "cd6e9026b85fc35d7529da14f95e85a078d9dd1907a9097b3ba6ac7ebbe34a0d"},
+  "ranch": {:hex, :ranch, "2.2.0", "25528f82bc8d7c6152c57666ca99ec716510fe0925cb188172f41ce93117b1b0", [:make, :rebar3], [], "hexpm", "fa0b99a1780c80218a4197a59ea8d3bdae32fbff7e88527d7d8a4787eff4f8e7"},
+  "req": {:hex, :req, "0.5.10", "a3a063eab8b7510785a467f03d30a8d95f66f5c3d9495be3474b61459c54376c", [:mix], [{:brotli, "~> 0.3.1", [hex: :brotli, repo: "hexpm", optional: true]}, {:ezstd, "~> 1.0", [hex: :ezstd, repo: "hexpm", optional: true]}, {:finch, "~> 0.17", [hex: :finch, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:mime, "~> 2.0.6 or ~> 2.1", [hex: :mime, repo: "hexpm", optional: false]}, {:nimble_csv, "~> 1.0", [hex: :nimble_csv, repo: "hexpm", optional: true]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "8a604815743f8a2d3b5de0659fa3137fa4b1cffd636ecb69b30b2b9b2c2559be"},
+  "saxy": {:hex, :saxy, "1.6.0", "02cb4e9bd045f25ac0c70fae8164754878327ee393c338a090288210b02317ee", [:mix], [], "hexpm", "ef42eb4ac983ca77d650fbdb68368b26570f6cc5895f0faa04d34a6f384abad3"},
+  "sobelow": {:hex, :sobelow, "0.14.0", "dd82aae8f72503f924fe9dd97ffe4ca694d2f17ec463dcfd365987c9752af6ee", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "7ecf91e298acfd9b24f5d761f19e8f6e6ac585b9387fb6301023f1f2cd5eed5f"},
   "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.7", "354c321cf377240c7b8716899e182ce4890c5938111a1296add3ec74cf1715df", [:make, :mix, :rebar3], [], "hexpm", "fe4c190e8f37401d30167c8c405eda19469f34577987c76dde613e838bbc67f8"},
   "telemetry": {:hex, :telemetry, "1.3.0", "fedebbae410d715cf8e7062c96a1ef32ec22e764197f70cda73d82778d61e7a2", [:rebar3], [], "hexpm", "7015fc8919dbe63764f4b4b87a95b7c0996bd539e0d499be6ec9d7f3875b79e6"},
   "telemetry_metrics": {:hex, :telemetry_metrics, "1.1.0", "5bd5f3b5637e0abea0426b947e3ce5dd304f8b3bc6617039e2b5a008adc02f8f", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "e7b79e8ddfde70adb6db8a6623d1778ec66401f366e9a8f5dd0955c56bc8ce67"},
   "telemetry_metrics_prometheus_core": {:hex, :telemetry_metrics_prometheus_core, "1.2.1", "c9755987d7b959b557084e6990990cb96a50d6482c683fb9622a63837f3cd3d8", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:telemetry_metrics, "~> 0.6 or ~> 1.0", [hex: :telemetry_metrics, repo: "hexpm", optional: false]}], "hexpm", "5e2c599da4983c4f88a33e9571f1458bf98b0cf6ba930f1dc3a6e8cf45d5afb6"},
-  "telemetry_poller": {:hex, :telemetry_poller, "1.1.0", "58fa7c216257291caaf8d05678c8d01bd45f4bdbc1286838a28c4bb62ef32999", [:rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "9eb9d9cbfd81cbd7cdd24682f8711b6e2b691289a0de6826e58452f28c103c8f"},
+  "telemetry_poller": {:hex, :telemetry_poller, "1.2.0", "ba82e333215aed9dd2096f93bd1d13ae89d249f82760fcada0850ba33bac154b", [:rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "7216e21a6c326eb9aa44328028c34e9fd348fb53667ca837be59d0aa2a0156e8"},
   "websock": {:hex, :websock, "0.5.3", "2f69a6ebe810328555b6fe5c831a851f485e303a7c8ce6c5f675abeb20ebdadc", [:mix], [], "hexpm", "6105453d7fac22c712ad66fab1d45abdf049868f253cf719b625151460b8b453"},
   "websock_adapter": {:hex, :websock_adapter, "0.5.8", "3b97dc94e407e2d1fc666b2fb9acf6be81a1798a2602294aac000260a7c4a47d", [:mix], [{:bandit, ">= 0.6.0", [hex: :bandit, repo: "hexpm", optional: true]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.6", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:websock, "~> 0.5", [hex: :websock, repo: "hexpm", optional: false]}], "hexpm", "315b9a1865552212b5f35140ad194e67ce31af45bcee443d4ecb96b5fd3f3782"},
+  "xlsx_reader": {:hex, :xlsx_reader, "0.8.8", "fbb29049548ff687f03a2873f2eb0d9057e47eb69cafb07f44988f030fb620b7", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}, {:saxy, "~> 1.5", [hex: :saxy, repo: "hexpm", optional: false]}], "hexpm", "642d979a3a156b150bb76a89998a130483e1c399fa32e8d3a66abc1d9799dbd7"},
   "yamerl": {:hex, :yamerl, "0.10.0", "4ff81fee2f1f6a46f1700c0d880b24d193ddb74bd14ef42cb0bcf46e81ef2f8e", [:rebar3], [], "hexpm", "346adb2963f1051dc837a2364e4acf6eb7d80097c0f53cbdc3046ec8ec4b4e6e"},
   "yaml_elixir": {:hex, :yaml_elixir, "2.11.0", "9e9ccd134e861c66b84825a3542a1c22ba33f338d82c07282f4f1f52d847bd50", [:mix], [{:yamerl, "~> 0.10", [hex: :yamerl, repo: "hexpm", optional: false]}], "hexpm", "53cc28357ee7eb952344995787f4bb8cc3cecbf189652236e9b163e8ce1bc242"},
 }

test/growth/calc/age_test.exs

@@ -0,0 +1,46 @@
+defmodule Growth.Calc.AgeTest do
+  @moduledoc false
+
+  use ExUnit.Case, async: true
+
+  alias Growth.Calc.Age
+
+  describe "calculate/2" do
+    test "consider today as date of measurement" do
+      date_of_birth = Date.add(Date.utc_today(), -7)
+      assert 7 == Age.calculate(:day, date_of_birth)
+    end
+  end
+
+  describe "calculate/3" do
+    test "calculate age in days" do
+      date_of_measurement = ~D[2024-06-09]
+      days_of_birth = [{-1, 1}, {-7, 7}, {-30, 30}]
+
+      Enum.map(days_of_birth, fn {days_ago, expected_age} ->
+        date_of_birth = Date.add(date_of_measurement, days_ago)
+        assert expected_age == Age.calculate(:day, date_of_birth, date_of_measurement)
+      end)
+    end
+
+    test "calculate age in completed weeks" do
+      date_of_measurement = ~D[2024-06-09]
+      days_of_birth = [{-1, 0}, {-7, 1}, {-16, 2}, {-30, 4}]
+
+      Enum.map(days_of_birth, fn {days_ago, expected_age} ->
+        date_of_birth = Date.add(date_of_measurement, days_ago)
+        assert expected_age == Age.calculate(:week, date_of_birth, date_of_measurement)
+      end)
+    end
+
+    test "calculate age in completed months" do
+      date_of_measurement = ~D[2024-06-09]
+      days_of_birth = [{-1, 0}, {-16, 0}, {-31, 1}, {-70, 2}, {-93, 3}]
+
+      Enum.map(days_of_birth, fn {days_ago, expected_age} ->
+        date_of_birth = Date.add(date_of_measurement, days_ago)
+        assert expected_age == Age.calculate(:month, date_of_birth, date_of_measurement)
+      end)
+    end
+  end
+end

test/growth/calc/bmi_test.exs

@@ -0,0 +1,23 @@
+defmodule Growth.Calc.BMITest do
+  @moduledoc false
+
+  use ExUnit.Case, async: true
+
+  alias Growth.Calc.BMI
+
+  describe "calculate/3" do
+    test "in metric system" do
+      weight_kg = 78.5
+      height_cm = 168.2
+
+      assert 27.74710475751505 == BMI.calculate(:metric, weight_kg, height_cm)
+    end
+
+    test "in english system" do
+      weight_lb = 173.1
+      height_in = 66.2
+
+      assert 27.770202207557876 == BMI.calculate(:english, weight_lb, height_in)
+    end
+  end
+end

test/growth/calc/centile_test.exs

@@ -0,0 +1,24 @@
+defmodule Growth.Calc.CentileTest do
+  @moduledoc false
+
+  use ExUnit.Case, async: true
+
+  import Growth.Data, only: [sample: 0]
+
+  doctest Growth.Calc.Centile
+
+  alias Growth.Calc.Centile
+
+  describe "compute/4" do
+    for %{key: key} = params <- sample() do
+      @tag params: params
+      test "returns the measure given a z-score and box-cox fitted values #{key}", %{
+        params: params
+      } do
+        %{zscore: zscore, measure: measure, l: l, m: m, s: s} = params
+
+        assert_in_delta Centile.compute(zscore, l, m, s), measure, 0.05
+      end
+    end
+  end
+end

test/growth/calc/percentile_test.exs

@@ -0,0 +1,26 @@
+defmodule Growth.Calc.PercentileTest do
+  @moduledoc false
+
+  use ExUnit.Case, async: true
+
+  doctest Growth.Calc.Percentile
+
+  alias Growth.Calc.Percentile
+
+  describe "compute/1" do
+    for {zscore, _} = params <- [
+          {-3, 0.0013498125},
+          {-2, 0.0227502617},
+          {-1, 0.1586553192},
+          {0, 0.5000000000},
+          {1, 0.8413446808},
+          {2, 0.9772497383},
+          {3, 0.9986501875}
+        ] do
+      @tag params: params
+      test "returns the percentile for z-score #{zscore}", %{params: {zscore, percentile}} do
+        assert_in_delta Percentile.compute(zscore), percentile, 0.0000005
+      end
+    end
+  end
+end

test/growth/calc/z_score_test.exs

@@ -0,0 +1,24 @@
+defmodule Growth.Calc.ZScoreTest do
+  @moduledoc false
+
+  use ExUnit.Case, async: true
+
+  import Growth.Data, only: [sample: 0]
+
+  doctest Growth.Calc.ZScore
+
+  alias Growth.Calc.ZScore
+
+  describe "compute/4" do
+    for %{key: key} = params <- sample() do
+      @tag params: params
+      test "returns a z-score given a measurement and box-cox fitted values #{key}", %{
+        params: params
+      } do
+        %{zscore: zscore, measure: measure, l: l, m: m, s: s} = params
+
+        assert_in_delta ZScore.compute(measure, l, m, s), zscore, 0.12
+      end
+    end
+  end
+end

test/growth/growth_test.exs

@@ -0,0 +1,131 @@
+defmodule GrowthTest do
+  @moduledoc false
+
+  use ExUnit.Case, async: true
+
+  doctest Growth
+
+  @child %{
+    name: "Jane Doe",
+    gender: :female,
+    date_of_measurement: Date.utc_today(),
+    age_in_days: 91,
+    weight: 5.84,
+    height: 59.78,
+    head_circumference: 39.51,
+    arm_circumference: 13.02,
+    subscapular_skinfold: 7.79,
+    triceps_skinfold: 9.75
+  }
+  @child_date_of_birth Date.shift(@child.date_of_measurement, day: @child.age_in_days * -1)
+
+  describe "new/4" do
+    test "create a new growth measurement" do
+      growth =
+        Growth.new(@child.name, @child.gender, @child_date_of_birth,
+          date_of_measurement: @child.date_of_measurement,
+          weight: @child.weight,
+          height: @child.height,
+          head_circumference: @child.head_circumference,
+          arm_circumference: @child.arm_circumference,
+          subscapular_skinfold: @child.subscapular_skinfold,
+          triceps_skinfold: @child.triceps_skinfold
+        )
+
+      assert @child.name == growth.name
+      assert @child.gender == growth.gender
+      assert @child_date_of_birth == growth.date_of_birth
+      assert @child.date_of_measurement == growth.date_of_measurement
+      assert @child.age_in_days == growth.age_in_days
+      assert 13 == growth.age_in_weeks
+      assert 2 == growth.age_in_months
+      assert @child.weight == growth.weight
+      assert @child.height == growth.height
+      assert @child.head_circumference == growth.head_circumference
+      assert @child.arm_circumference == growth.arm_circumference
+      assert @child.subscapular_skinfold == growth.subscapular_skinfold
+      assert @child.triceps_skinfold == growth.triceps_skinfold
+    end
+  end
+
+  describe "with_bmi/1" do
+    test "calculate bmi from measurement" do
+      growth =
+        %Growth{
+          name: @child.name,
+          gender: @child.gender,
+          date_of_birth: @child_date_of_birth,
+          date_of_measurement: @child.date_of_measurement,
+          weight: @child.weight,
+          height: @child.height,
+          head_circumference: @child.head_circumference,
+          arm_circumference: @child.arm_circumference,
+          subscapular_skinfold: @child.subscapular_skinfold,
+          triceps_skinfold: @child.triceps_skinfold
+        }
+        |> Growth.with_age_in_days()
+        |> Growth.with_age_in_weeks()
+        |> Growth.with_age_in_months()
+        |> Growth.with_bmi()
+
+      assert 16.341842694989243 == growth.bmi
+    end
+  end
+
+  describe "with_results/1" do
+    test "calculate z-score and percentiles from measurement" do
+      growth =
+        %Growth{
+          name: @child.name,
+          gender: @child.gender,
+          date_of_birth: @child_date_of_birth,
+          date_of_measurement: @child.date_of_measurement,
+          weight: @child.weight,
+          height: @child.height,
+          head_circumference: @child.head_circumference,
+          arm_circumference: @child.arm_circumference,
+          subscapular_skinfold: @child.subscapular_skinfold,
+          triceps_skinfold: @child.triceps_skinfold,
+          results: []
+        }
+        |> Growth.with_age_in_days()
+        |> Growth.with_age_in_weeks()
+        |> Growth.with_age_in_months()
+        |> Growth.with_bmi()
+        |> Growth.with_results()
+
+      assert [
+               day: {9.496948997971584e-4, 0.5003788733920584},
+               week: {9.496948997971584e-4, 0.5003788733920584},
+               month: {1.0060928051683196, 0.8428145353253619}
+             ] == Keyword.get(growth.results, :weight)
+
+      assert [
+               day: {0.0012831717968983271, 0.5005119113423219},
+               week: {0.0012831717968983271, 0.5005119113423219},
+               month: {1.3322618635180914, 0.9086129228760054}
+             ] == Keyword.get(growth.results, :height)
+
+      assert [
+               day: {-0.007440424136462911, 0.4970317276150869},
+               week: {-0.007440424136462911, 0.4970317276150869},
+               month: {0.3827194919327071, 0.6490361198066796}
+             ] == Keyword.get(growth.results, :bmi)
+
+      assert [
+               day: {-0.008864109494641385, 0.4964637782528006},
+               week: {-0.008864109494641385, 0.4964637782528006},
+               month: {1.0380198575748647, 0.8503695948597997}
+             ] == Keyword.get(growth.results, :head_circumference)
+
+      assert [day: {-0.004182676756535293, 0.49833135826198854}] ==
+               Keyword.get(growth.results, :arm_circumference)
+
+      assert [day: {0.001811404894950268, 0.5007226456043324}] ==
+               Keyword.get(growth.results, :subscapular_skinfold)
+
+      assert [day: {-0.0019309186728254878, 0.49922967538007906}] ==
+               Keyword.get(growth.results, :triceps_skinfold)
+    end
+  end
+end

test/growth/indicators/download_test.exs

@@ -0,0 +1,297 @@
+defmodule Growth.Indicators.DownloadTest do
+  @moduledoc false
+
+  use ExUnit.Case, async: true
+
+  alias Elixlsx.Sheet
+  alias Elixlsx.Workbook
+
+  alias Growth.Indicators.Download
+
+  setup do
+    mock_who_request()
+  end
+
+  describe "process/3" do
+    test "fetch excel from url and convert it to a list of lists" do
+      gender = :female
+      category = :age_tables
+
+      url =
+        "https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_girls_0-to-13-weeks_zscores.xlsx"
+
+      content = Download.process(gender, category, url)
+
+      expected_content =
+        [
+          ~w(source category gender age_unit age l m s sd3neg sd2neg sd1neg sd0 sd1 sd2 sd3),
+          [
+            url,
+            category,
+            gender,
+            "week",
+            Decimal.new("0"),
+            Decimal.new("1"),
+            Decimal.new("49.1477"),
+            Decimal.new("0.0379"),
+            Decimal.new("43.6"),
+            Decimal.new("45.4"),
+            Decimal.new("47.3"),
+            Decimal.new("49.1"),
+            Decimal.new("51"),
+            Decimal.new("52.9"),
+            Decimal.new("54.7")
+          ]
+        ]
+
+      assert expected_content == content
+    end
+  end
+
+  describe "process_gender/1" do
+    test "merge multiple contents into a single one" do
+      category = :age_tables
+      gender = :female
+
+      urls =
+        [
+          "https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_girls_0-to-13-weeks_zscores.xlsx",
+          "https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_girls_0-to-2-years_zscores.xlsx"
+        ]
+
+      content = Download.process_gender({gender, category, urls})
+
+      expected_content =
+        [
+          ~w(source category gender age_unit age l m s sd3neg sd2neg sd1neg sd0 sd1 sd2 sd3),
+          [
+            List.first(urls),
+            category,
+            gender,
+            "week",
+            Decimal.new("0"),
+            Decimal.new("1"),
+            Decimal.new("49.1477"),
+            Decimal.new("0.0379"),
+            Decimal.new("43.6"),
+            Decimal.new("45.4"),
+            Decimal.new("47.3"),
+            Decimal.new("49.1"),
+            Decimal.new("51"),
+            Decimal.new("52.9"),
+            Decimal.new("54.7")
+          ],
+          [
+            List.last(urls),
+            category,
+            gender,
+            "month",
+            Decimal.new("0"),
+            Decimal.new("1"),
+            Decimal.new("49.1477"),
+            Decimal.new("0.0379"),
+            Decimal.new("43.6"),
+            Decimal.new("45.4"),
+            Decimal.new("47.3"),
+            Decimal.new("49.1"),
+            Decimal.new("51"),
+            Decimal.new("52.9"),
+            Decimal.new("54.7")
+          ]
+        ]
+
+      assert expected_content == content
+    end
+  end
+
+  describe "process_genders/1" do
+    test "merge multiple genders and contents into a single one" do
+      female_urls = %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_girls_0-to-13-weeks_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_girls_0-to-2-years_zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/expandable-tables/lhfa-girls-zscore-expanded-tables.xlsx
+        )
+      }
+
+      male_urls = %{
+        age_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_boys_0-to-13-weeks_zscores.xlsx
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/lhfa_boys_0-to-2-years_zscores.xlsx
+        ),
+        expanded_tables: ~w(
+          https://cdn.who.int/media/docs/default-source/child-growth/child-growth-standards/indicators/length-height-for-age/expandable-tables/lhfa-boys-zscore-expanded-tables.xlsx
+        )
+      }
+
+      content = Download.process_genders(%{female: female_urls, male: male_urls})
+
+      expected_content =
+        [
+          ~w(source category gender age_unit age l m s sd3neg sd2neg sd1neg sd0 sd1 sd2 sd3),
+          [
+            female_urls |> Map.get(:age_tables) |> List.first(),
+            :age,
+            :female,
+            "week",
+            Decimal.new("0"),
+            Decimal.new("1"),
+            Decimal.new("49.1477"),
+            Decimal.new("0.0379"),
+            Decimal.new("43.6"),
+            Decimal.new("45.4"),
+            Decimal.new("47.3"),
+            Decimal.new("49.1"),
+            Decimal.new("51"),
+            Decimal.new("52.9"),
+            Decimal.new("54.7")
+          ],
+          [
+            female_urls |> Map.get(:age_tables) |> List.last(),
+            :age,
+            :female,
+            "month",
+            Decimal.new("0"),
+            Decimal.new("1"),
+            Decimal.new("49.1477"),
+            Decimal.new("0.0379"),
+            Decimal.new("43.6"),
+            Decimal.new("45.4"),
+            Decimal.new("47.3"),
+            Decimal.new("49.1"),
+            Decimal.new("51"),
+            Decimal.new("52.9"),
+            Decimal.new("54.7")
+          ],
+          [
+            male_urls |> Map.get(:age_tables) |> List.first(),
+            :age,
+            :male,
+            "week",
+            Decimal.new("0"),
+            Decimal.new("1"),
+            Decimal.new("49.8842"),
+            Decimal.new("0.03795"),
+            Decimal.new("44.2"),
+            Decimal.new("46.1"),
+            Decimal.new("48"),
+            Decimal.new("49.9"),
+            Decimal.new("51.8"),
+            Decimal.new("53.7"),
+            Decimal.new("55.6")
+          ],
+          [
+            male_urls |> Map.get(:age_tables) |> List.last(),
+            :age,
+            :male,
+            "month",
+            Decimal.new("0"),
+            Decimal.new("1"),
+            Decimal.new("49.8842"),
+            Decimal.new("0.03795"),
+            Decimal.new("44.2"),
+            Decimal.new("46.1"),
+            Decimal.new("48"),
+            Decimal.new("49.9"),
+            Decimal.new("51.8"),
+            Decimal.new("53.7"),
+            Decimal.new("55.6")
+          ],
+          [
+            female_urls |> Map.get(:expanded_tables) |> List.first(),
+            :expanded,
+            :female,
+            "day",
+            Decimal.new("0"),
+            Decimal.new("1"),
+            Decimal.new("49.1477"),
+            Decimal.new("0.0379"),
+            Decimal.new("43.56"),
+            Decimal.new("45.422"),
+            Decimal.new("47.285"),
+            Decimal.new("49.148"),
+            Decimal.new("51.01"),
+            Decimal.new("52.873"),
+            Decimal.new("54.736")
+          ],
+          [
+            male_urls |> Map.get(:expanded_tables) |> List.first(),
+            :expanded,
+            :male,
+            "day",
+            Decimal.new("0"),
+            Decimal.new("1"),
+            Decimal.new("49.8842"),
+            Decimal.new("0.03795"),
+            Decimal.new("44.205"),
+            Decimal.new("46.098"),
+            Decimal.new("47.991"),
+            Decimal.new("49.884"),
+            Decimal.new("51.777"),
+            Decimal.new("53.67"),
+            Decimal.new("55.564")
+          ]
+        ]
+
+      assert expected_content == content
+    end
+  end
+
+  defp mock_who_request do
+    Req.Test.stub(Growth.Indicators.Download.WHO, fn %Plug.Conn{path_info: path_info} = conn ->
+      filename = List.last(path_info)
+
+      rows =
+        case filename do
+          "lhfa_girls_0-to-13-weeks_zscores.xlsx" ->
+            [
+              ~w(Week L M S SD SD3neg SD2neg SD1neg SD0 SD1 SD2 SD3),
+              ~w(0 1 49.1477 0.0379 1.8627 43.6 45.4 47.3 49.1 51 52.9 54.7)
+            ]
+
+          "lhfa_girls_0-to-2-years_zscores.xlsx" ->
+            [
+              ~w(Month L M S SD SD3neg SD2neg SD1neg SD0 SD1 SD2 SD3),
+              ~w(0 1 49.1477 0.0379 1.8627 43.6 45.4 47.3 49.1 51 52.9 54.7)
+            ]
+
+          "lhfa-girls-zscore-expanded-tables.xlsx" ->
+            [
+              ~w(Day L M S SD4neg SD3neg SD2neg SD1neg SD0 SD1 SD2 SD3 SD4),
+              ~w(0 1 49.1477 0.0379 41.697 43.56 45.422 47.285 49.148 51.01 52.873 54.736 56.598)
+            ]
+
+          "lhfa_boys_0-to-13-weeks_zscores.xlsx" ->
+            [
+              ~w(Week L M S SD SD3neg SD2neg SD1neg SD0 SD1 SD2 SD3),
+              ~w(0 1 49.8842 0.03795 1.8931 44.2 46.1 48 49.9 51.8 53.7 55.6)
+            ]
+
+          "lhfa_boys_0-to-2-years_zscores.xlsx" ->
+            [
+              ~w(Month L M S SD SD3neg SD2neg SD1neg SD0 SD1 SD2 SD3),
+              ~w(0 1 49.8842 0.03795 1.8931 44.2 46.1 48 49.9 51.8 53.7 55.6)
+            ]
+
+          "lhfa-boys-zscore-expanded-tables.xlsx" ->
+            [
+              ~w(Day L M S SD4neg SD3neg SD2neg SD1neg SD0 SD1 SD2 SD3 SD4),
+              ~w(0 1 49.8842 0.03795 42.312 44.205 46.098 47.991 49.884 51.777 53.67 55.564 57.457)
+            ]
+        end
+
+      {:ok, {_charlist_content, content}} =
+        %Sheet{name: "zscore", rows: rows}
+        |> then(&%Workbook{sheets: [&1]})
+        |> Elixlsx.write_to_memory(filename)
+
+      conn
+      |> Plug.Conn.put_resp_content_type(
+        "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+      )
+      |> Plug.Conn.send_resp(200, content)
+    end)
+  end
+end

test/growth/score/weight_for_height_test.exs

@@ -0,0 +1,142 @@
+# test/growth/score/weight_for_height_test.exs
+defmodule Growth.Score.WeightForHeightTest do
+  use ExUnit.Case, async: true
+
+  alias Growth
+  alias Growth.Score.WeightForHeight
+
+  describe "measure_name/0" do
+    test "returns the correct measure name atom" do
+      assert WeightForHeight.measure_name() == :weight_for_height
+    end
+  end
+
+  describe "lms/2" do
+    test "returns LMS values for exact height match" do
+      growth = %Growth{
+        gender: :male,
+        weight: 7.3,
+        height: 65.0,
+        name: "Joe Doe",
+        date_of_measurement: Date.utc_today(),
+        date_of_birth: Date.shift(Date.utc_today(), day: -91)
+      }
+
+      assert WeightForHeight.lms(growth, WeightForHeight) == [
+               {"height", {-0.35210000000000002, 7.4326999999999996, 0.082170000000000007}}
+             ]
+    end
+
+    test "returns LMS values for closest height match when exact is not found" do
+      growth = %Growth{
+        gender: :male,
+        weight: 7.3,
+        height: 64.9,
+        name: "Joe Doe",
+        date_of_measurement: Date.utc_today(),
+        date_of_birth: Date.shift(Date.utc_today(), day: -91)
+      }
+
+      assert WeightForHeight.lms(growth, WeightForHeight) == [
+               {"height", {-0.35210000000000002, 7.4326999999999996, 0.082170000000000007}}
+             ]
+
+      growth_closer_to_higher = %Growth{
+        gender: :male,
+        weight: 7.4,
+        height: 65.09,
+        name: "Joe Doe",
+        date_of_measurement: Date.utc_today(),
+        date_of_birth: Date.shift(Date.utc_today(), day: -91)
+      }
+
+      assert WeightForHeight.lms(growth_closer_to_higher, WeightForHeight) == [
+               {"height", {-0.35210000000000002, 7.4562999999999997, 0.082159999999999997}}
+             ]
+    end
+
+    test "returns empty list if weight or height is missing" do
+      growth_no_weight = %Growth{
+        gender: :male,
+        height: 60.0,
+        name: "Joe Doe",
+        date_of_measurement: Date.utc_today(),
+        date_of_birth: Date.shift(Date.utc_today(), day: -91)
+      }
+
+      assert WeightForHeight.lms(growth_no_weight, WeightForHeight) == []
+
+      growth_no_height = %Growth{
+        gender: :male,
+        weight: 5.0,
+        name: "Joe Doe",
+        date_of_measurement: Date.utc_today(),
+        date_of_birth: Date.shift(Date.utc_today(), day: -91)
+      }
+
+      assert WeightForHeight.lms(growth_no_height, WeightForHeight) == []
+
+      growth_nil_values = %Growth{
+        gender: :male,
+        weight: nil,
+        height: nil,
+        name: "Joe Doe",
+        date_of_measurement: Date.utc_today(),
+        date_of_birth: Date.shift(Date.utc_today(), day: -91)
+      }
+
+      assert WeightForHeight.lms(growth_nil_values, WeightForHeight) == []
+    end
+
+    test "returns empty list if no matching gender data exists" do
+      # Assuming no :unknown gender data was inserted
+      growth = %Growth{
+        gender: :unknown,
+        weight: 5.0,
+        height: 60.0,
+        name: "Joe Doe",
+        date_of_measurement: Date.utc_today(),
+        date_of_birth: Date.shift(Date.utc_today(), day: -91)
+      }
+
+      assert WeightForHeight.lms(growth, WeightForHeight) == []
+    end
+  end
+
+  describe "find_closest_height/2" do
+    test "finds the lower closest height" do
+      assert WeightForHeight.find_closest_height(:male, 64.99) == [
+               {"height", {-0.35210000000000002, 7.4326999999999996, 0.082170000000000007}}
+             ]
+    end
+
+    test "finds the higher closest height" do
+      assert WeightForHeight.find_closest_height(:male, 65.61) == [
+               {"height", {-0.35210000000000002, 7.5738000000000003, 0.082140000000000005}}
+             ]
+    end
+
+    test "finds the lower closest height when exactly midway" do
+      expected_lms =
+        [
+          [{"height", {-0.35210000000000002, 7.5034000000000001, 0.082150000000000001}}],
+          [{"height", {-0.35210000000000002, 7.4798999999999998, 0.082159999999999997}}]
+        ]
+
+      lms = WeightForHeight.find_closest_height(:male, 65.25)
+      assert Enum.any?(expected_lms, fn entity_lms -> entity_lms == lms end)
+    end
+
+    test "do not match when below minimum height" do
+      assert WeightForHeight.find_closest_height(:male, 44.0) == []
+    end
+
+    test "do not match when above maximum height" do
+      assert WeightForHeight.find_closest_height(:male, 121.0) == []
+    end
+
+    test "returns empty list when no data exists for the gender" do
+      assert WeightForHeight.find_closest_height(:unknown, 60.0) == []
+    end
+  end
+end

test/support/growth_data.ex

@@ -0,0 +1,123 @@
+defmodule Growth.Data do
+  @moduledoc """
+  Sample data for growth tests based on WHO csv files containing:
+
+  * source measure
+  * gender
+  * age_unit
+  * box-cox fitted params:
+    * l
+    * m
+    * s
+  * expeceted measure values at given z-scores:
+    * -3
+    * -2
+    * -1
+    * 0
+    * 1
+    * 2
+    * 3
+  """
+
+  NimbleCSV.define(Growth.DataCase, separator: ",", escape: "\"")
+
+  # NOTE: (jpd) this combined table will be used on zscore and centile test to cross-validate the results using
+  # different genders, ages units, and measures.
+  @sample_combined_csv """
+  source,gender,age_unit,age,l,m,s,sd3neg,sd2neg,sd1neg,sd0,sd1,sd2,sd3
+  arm-circumference-for-age,female,month,3,-0.17330000000000001,13.0284,0.082629999999999995,10.199999999999999,11.1,12,13,14.2,15.4,16.8
+  arm-circumference-for-age,female,day,91,-0.17330000000000001,13.0245,0.082619999999999999,10.218,11.066000000000001,11.999000000000001,13.023999999999999,14.154999999999999,15.401999999999999,16.78
+  arm-circumference-for-age,male,month,3,0.39279999999999998,13.4817,0.074749999999999997,10.7,11.6,12.5,13.5,14.5,15.6,16.7
+  arm-circumference-for-age,male,day,91,0.39329999999999998,13.4779,0.074740000000000001,10.657999999999999,11.554,12.493,13.478,14.507999999999999,15.585000000000001,16.709
+  body-mass-index-for-age,female,day,28,0.36370000000000002,14.4208,0.095769999999999994,10.646000000000001,11.824,13.081,14.420999999999999,15.843999999999999,17.353999999999999,18.952999999999999
+  body-mass-index-for-age,female,week,4,0.36370000000000002,14.4208,0.095769999999999994,10.6,11.8,13.1,14.4,15.8,17.399999999999999,19
+  body-mass-index-for-age,female,month,1,0.3448,14.5679,0.095560000000000006,10.8,12,13.2,14.6,16,17.5,19.100000000000001
+  body-mass-index-for-age,male,day,28,0.28810000000000002,14.7714,0.090719999999999995,11.125999999999999,12.26,13.474,14.771000000000001,16.155000000000001,17.629000000000001,19.196000000000002
+  body-mass-index-for-age,male,week,4,0.28810000000000002,14.7714,0.090719999999999995,11.1,12.3,13.5,14.8,16.2,17.600000000000001,19.2
+  body-mass-index-for-age,male,month,1,0.27079999999999999,14.944100000000001,0.090270000000000003,11.3,12.4,13.6,14.9,16.3,17.8,19.399999999999999
+  head-circumference-for-age,female,day,28,1,36.376100000000001,0.032149999999999998,32.868000000000002,34.036999999999999,35.207000000000001,36.375999999999998,37.545999999999999,38.715000000000003,39.884999999999998
+  head-circumference-for-age,female,week,4,1,36.376100000000001,0.032149999999999998,32.9,34,35.200000000000003,36.4,37.5,38.700000000000003,39.9
+  head-circumference-for-age,female,month,1,1,36.546300000000002,0.032099999999999997,33,34.200000000000003,35.4,36.5,37.700000000000003,38.9,40.1
+  head-circumference-for-age,male,day,28,1,37.092599999999997,0.031480000000000001,33.590000000000003,34.756999999999998,35.924999999999997,37.093000000000004,38.26,39.427999999999997,40.595999999999997
+  head-circumference-for-age,male,week,4,1,37.092599999999997,0.031480000000000001,33.6,34.799999999999997,35.9,37.1,38.299999999999997,39.4,40.6
+  head-circumference-for-age,male,month,1,1,37.2759,0.031329999999999997,33.799999999999997,34.9,36.1,37.299999999999997,38.4,39.6,40.799999999999997
+  length-height-for-age,female,day,28,1,53.380899999999997,0.036470000000000002,47.54,49.487000000000002,51.433999999999997,53.381,55.328000000000003,57.274999999999999,59.220999999999997
+  length-height-for-age,female,week,4,1,53.380899999999997,0.036470000000000002,47.5,49.5,51.4,53.4,55.3,57.3,59.2
+  length-height-for-age,female,month,1,1,53.687199999999997,0.036400000000000002,47.8,49.8,51.7,53.7,55.6,57.6,59.5
+  length-height-for-age,male,day,28,1,54.388100000000001,0.035700000000000003,48.563000000000002,50.505000000000003,52.445999999999998,54.387999999999998,56.33,58.271000000000001,60.213000000000001
+  length-height-for-age,male,week,4,1,54.388100000000001,0.035700000000000003,48.6,50.5,52.4,54.4,56.3,58.3,60.2
+  length-height-for-age,male,month,1,1,54.724400000000003,0.035569999999999997,48.9,50.8,52.8,54.7,56.7,58.6,60.6
+  subscapular-skinfold-for-age,female,day,91,-0.2019,7.7873999999999999,0.18428,4.6109999999999998,5.4580000000000002,6.4989999999999997,7.7869999999999999,9.3960000000000008,11.422000000000001,13.994999999999999
+  subscapular-skinfold-for-age,female,month,3,-0.2026,7.7846000000000002,0.18428,4.5999999999999996,5.5,6.5,7.8,9.4,11.4,14
+  subscapular-skinfold-for-age,male,day,91,-0.30299999999999999,7.6920000000000002,0.17019000000000001,4.7850000000000001,5.5640000000000001,6.516,7.6920000000000002,9.1609999999999996,11.016999999999999,13.395
+  subscapular-skinfold-for-age,male,month,3,-0.30330000000000001,7.6898999999999997,0.17019999999999999,4.8,5.6,6.5,7.7,9.1999999999999993,11,13.4
+  triceps-skinfold-for-age,female,day,91,0.18820000000000001,9.7532999999999994,0.17524999999999999,5.6070000000000002,6.7869999999999999,8.1609999999999996,9.7530000000000001,11.589,13.695,16.102
+  triceps-skinfold-for-age,female,month,3,0.1875,9.7515999999999998,0.17535000000000001,5.6,6.8,8.1999999999999993,9.8000000000000007,11.6,13.7,16.100000000000001
+  triceps-skinfold-for-age,male,day,91,0.0030000000000000001,9.7658000000000005,0.16611000000000001,5.931,7.0039999999999996,8.2710000000000008,9.766,11.53,13.612,16.068000000000001
+  triceps-skinfold-for-age,male,month,3,0.0027000000000000001,9.7638999999999996,0.16617999999999999,5.9,7,8.3000000000000007,9.8000000000000007,11.5,13.6,16.100000000000001
+  weight-for-age,female,day,28,0.1789,4.0987,0.13805000000000001,2.665,3.0880000000000001,3.5640000000000001,4.0990000000000002,4.6980000000000004,5.3659999999999997,6.1120000000000001
+  weight-for-age,female,week,4,0.1789,4.0987,0.13805000000000001,2.7,3.1,3.6,4.0999999999999996,4.7,5.4,6.1
+  weight-for-age,female,month,1,0.1714,4.1872999999999996,0.13724,2.7,3.2,3.6,4.2,4.8,5.5,6.2
+  weight-for-age,male,day,28,0.2331,4.3670999999999998,0.13497000000000001,2.8540000000000001,3.3050000000000002,3.8069999999999999,4.367,4.9880000000000004,5.6740000000000004,6.43
+  weight-for-age,male,week,4,0.2331,4.3670999999999998,0.13497000000000001,2.9,3.3,3.8,4.4000000000000004,5,5.7,6.4
+  weight-for-age,male,month,1,0.22969999999999999,4.4709000000000003,0.13395000000000001,2.9,3.4,3.9,4.5,5.0999999999999996,5.8,6.6
+  weight-for-height,female,length,65,-0.38329999999999997,7.0811999999999999,0.091189999999999993,5.4589999999999996,5.9370000000000003,6.4740000000000002,7.0810000000000004,7.77,8.5549999999999997,9.4540000000000006
+  weight-for-height,female,length,65.099999999999994,-0.38329999999999997,7.1040999999999999,0.091179999999999997,5.4770000000000003,5.9560000000000004,6.4950000000000001,7.1040000000000001,7.7949999999999999,8.5820000000000007,9.484
+  weight-for-height,female,height,65,-0.38329999999999997,7.2401999999999997,0.091130000000000003,5.5830000000000002,6.0709999999999997,6.62,7.24,7.944,8.7460000000000004,9.6639999999999997
+  weight-for-height,female,height,65.099999999999994,-0.38329999999999997,7.2626999999999997,0.091120000000000007,5.6,6.09,6.64,7.2629999999999999,7.9690000000000003,8.7729999999999997,9.6940000000000008
+  weight-for-height,male,length,65,-0.35210000000000002,7.2666000000000004,0.082229999999999998,5.7359999999999998,6.1929999999999996,6.7009999999999996,7.2670000000000003,7.899,8.6080000000000005,9.4060000000000006
+  weight-for-height,male,length,65.099999999999994,-0.35210000000000002,7.2904999999999998,0.082220000000000001,5.7549999999999999,6.2130000000000001,6.7229999999999999,7.29,7.9249999999999998,8.6359999999999992,9.4369999999999994
+  weight-for-height,male,height,65,-0.35210000000000002,7.4326999999999996,0.082170000000000007,5.8680000000000003,6.335,6.8540000000000001,7.4329999999999998,8.0790000000000006,8.8040000000000003,9.6189999999999998
+  weight-for-height,male,height,65.099999999999994,-0.35210000000000002,7.4562999999999997,0.082159999999999997,5.8869999999999996,6.3550000000000004,6.8760000000000003,7.4560000000000004,8.1050000000000004,8.8309999999999995,9.6489999999999991
+  """
+
+  @doc """
+  Sample data to validate calculation made to convert measure into z-score and vice-versa.
+
+  This data is based on values extracted from WHO csv files.
+  """
+  @spec sample :: [
+          %{
+            key: String.t(),
+            zscore: number(),
+            measure: number(),
+            l: number(),
+            m: number(),
+            s: number()
+          }
+        ]
+  def sample do
+    @sample_combined_csv
+    |> Growth.DataCase.parse_string()
+    |> Enum.flat_map(fn [
+                          source,
+                          gender,
+                          age_unit,
+                          age,
+                          l,
+                          m,
+                          s,
+                          sd3n,
+                          sd2n,
+                          sd1n,
+                          sd0,
+                          sd1,
+                          sd2,
+                          sd3
+                        ] ->
+      key = "#{source}:#{gender}:#{age_unit}:#{age}"
+
+      [l, m, s, sd3n, sd2n, sd1n, sd0, sd1, sd2, sd3] =
+        Enum.map(
+          [l, m, s, sd3n, sd2n, sd1n, sd0, sd1, sd2, sd3],
+          &(&1 |> Float.parse() |> elem(0))
+        )
+
+      [-3.0, -2.0, -1.0, 0.0, 1.0, 2.0, 3.0]
+      |> Enum.zip([sd3n, sd2n, sd1n, sd0, sd1, sd2, sd3])
+      |> Enum.map(fn {zscore, measure} ->
+        %{key: "#{key}:#{zscore}", zscore: zscore, measure: measure, l: l, m: m, s: s}
+      end)
+    end)
+  end
+end