Merge pull request #89 from animina-dating/Virtual-branch-2

Validate that mobile_phone is indeed a mobile phone number. closes #88

lib/animina/accounts/resources/basic_user.ex

@@ -69,7 +69,7 @@ defmodule Animina.Accounts.BasicUser do
     validate {Validations.Birthday, attribute: :birthday}
     validate {Validations.PostalCode, attribute: :zip_code}
     validate {Validations.Gender, attribute: :gender}
-    validate {Validations.PhoneNumber, attribute: :mobile_phone}
+    validate {Validations.MobilePhoneNumber, attribute: :mobile_phone}
   end
 
   identities do

lib/animina/accounts/resources/user.ex

@@ -79,7 +79,7 @@ defmodule Animina.Accounts.User do
     validate {Validations.Birthday, attribute: :birthday}
     validate {Validations.PostalCode, attribute: :zip_code}
     validate {Validations.Gender, attribute: :gender}
-    validate {Validations.PhoneNumber, attribute: :mobile_phone}
+    validate {Validations.MobilePhoneNumber, attribute: :mobile_phone}
   end
 
   identities do

lib/animina/validations/mobile_phone_number.ex

@@ -0,0 +1,46 @@
+defmodule Animina.Validations.MobilePhoneNumber do
+  use Ash.Resource.Validation
+
+  @moduledoc """
+  This is a module for validating a mobile phone number.
+  """
+
+  @impl true
+  def init(opts) do
+    case is_atom(opts[:attribute]) do
+      true -> {:ok, opts}
+      _ -> {:error, "attribute must be an atom!"}
+    end
+  end
+
+  @impl true
+  def validate(changeset, opts) do
+    Ash.Changeset.get_attribute(changeset, :mobile_phone)
+    |> extract_ex_phone_number()
+    |> validate_mobile_phone_number(opts)
+  end
+
+  defp extract_ex_phone_number(raw_attribute) do
+    case ExPhoneNumber.parse(raw_attribute, "DE") do
+      {:ok, phone_number} -> phone_number
+      _ -> nil
+    end
+  end
+
+  defp validate_mobile_phone_number(nil, opts) do
+    {:error, field: opts[:attribute], message: "must be a valid phone number"}
+  end
+
+  defp validate_mobile_phone_number(ex_phone_number, opts) do
+    case ExPhoneNumber.is_valid_number?(ex_phone_number) do
+      false ->
+        {:error, field: opts[:attribute], message: "must be a valid phone number"}
+
+      _ ->
+        case ExPhoneNumber.get_number_type(ex_phone_number) do
+          :mobile -> :ok
+          _ -> {:error, field: opts[:attribute], message: "must be a mobile phone number"}
+        end
+    end
+  end
+end