chore(go): improve address definition

go/addresses.go

@@ -1,26 +1,56 @@
 package main
 
-import parser "github.com/openvenues/gopostal/parser"
+import (
+	"crypto/sha1"
+	"encoding/hex"
+	"fmt"
+
+	parser "github.com/openvenues/gopostal/parser"
+)
 
 type Address struct {
-	Country      string
-	State        string
-	City         string
-	Neighborhood string
-	Road         string
-	HouseNumber  string
-	House        string
-	Unit         string
-	PostalCode   string
+	ID           string `json:"id"`
+	Country      string `json:"country"`
+	State        string `json:"state"`
+	City         string `json:"city"`
+	Neighborhood string `json:"neighborhood"`
+	Road         string `json:"road"`
+	HouseNumber  string `json:"house_number"`
+	House        string `json:"house"`
+	Unit         string `json:"unit"`
+	PostalCode   string `json:"postal_code"`
+	Raw          string `json:"raw_address"`
+}
+
+func (a Address) String() string {
+	return fmt.Sprintf(
+		"%s, %s, %s %s. %s, %s, %s, %s.",
+		a.Road,
+		a.HouseNumber,
+		a.Unit,
+		a.House,
+		a.Neighborhood,
+		a.City,
+		a.State,
+		a.PostalCode,
+	)
+}
+
+func (a Address) id() string {
+	hasher := sha1.New()
+	hasher.Write([]byte(a.String()))
+	return hex.EncodeToString(hasher.Sum(nil))
 }
 
 func parseAddress(address string) Address {
+	// log.Printf("Address to parse: %s", address)
 	components := parser.ParseAddress(address)
-	return newFromComponents(components)
+	// log.Printf("Address components: %s", components)
+	return newFromComponents(address, components)
 }
 
-func newFromComponents(components []parser.ParsedComponent) Address {
-	address := Address{}
+func newFromComponents(raw string, components []parser.ParsedComponent) Address {
+	address := Address{Raw: raw}
 	for _, component := range components {
 		switch component.Label {
 		case "house":
@@ -47,5 +77,7 @@ func newFromComponents(components []parser.ParsedComponent) Address {
 			address.Country = component.Value
 		}
 	}
+	address.ID = address.id()
+	// log.Printf("Address parsed: %s", address)
 	return address
 }