chore: apply credo suggestions (#3)

Mainly add module docs and fix some aliases.

lib/wabanex/exercise.ex

@@ -1,4 +1,7 @@
 defmodule Wabanex.Exercise do
+  @moduledoc """
+  Schema of a exercise contained within a training.
+  """
   use Ecto.Schema
 
   import Ecto.Changeset

lib/wabanex/imc.ex

@@ -1,4 +1,8 @@
 defmodule Wabanex.IMC do
+  @moduledoc """
+  Body mass index calculation
+  """
+
   def calculate(%{"filename" => filename}) do
     filename
     |> File.read()
@@ -7,11 +11,7 @@ defmodule Wabanex.IMC do
 
   defp handle_file({:ok, content}) do
     data =
-      content
-      |> String.trim()
-      |> String.split("\n")
-      |> Enum.map(&parse_line/1)
-      |> Enum.into(%{})
+      content |> String.trim() |> String.split("\n") |> Enum.map(&parse_line/1) |> Enum.into(%{})
 
     {:ok, data}
   end

lib/wabanex/training.ex

@@ -1,4 +1,7 @@
 defmodule Wabanex.Training do
+  @moduledoc """
+  Schema of a training routine for a given period of time.
+  """
   use Ecto.Schema
 
   import Ecto.Changeset

lib/wabanex/trainings/create.ex

@@ -1,5 +1,8 @@
 defmodule Wabanex.Trainings.Create do
-  alias Wabanex.{Training, Repo}
+  @moduledoc """
+  Context to create a training routine.
+  """
+  alias Wabanex.{Repo, Training}
 
   def call(params) do
     params

lib/wabanex/user.ex

@@ -1,4 +1,7 @@
 defmodule Wabanex.User do
+  @moduledoc """
+  Schema of a user in the system.
+  """
   use Ecto.Schema
 
   import Ecto.Changeset

lib/wabanex/users/create.ex

@@ -1,4 +1,7 @@
 defmodule Wabanex.Users.Create do
+  @moduledoc """
+  Context for user creation.
+  """
   alias Wabanex.{Repo, User}
 
   def call(params) do

lib/wabanex/users/get.ex

@@ -1,4 +1,7 @@
 defmodule Wabanex.Users.Get do
+  @moduledoc """
+  Context to fetch a given user and its current training.
+  """
   import Ecto.Query
 
   alias Wabanex.{Repo, Training, User}