Rename MobilizonWeb to Mobilizon.Web

lib/web/email/user.ex

@@ -0,0 +1,163 @@
+defmodule Mobilizon.Web.Email.User do
+  @moduledoc """
+  Handles emails sent to users.
+  """
+
+  use Bamboo.Phoenix, view: Mobilizon.Web.EmailView
+
+  import Bamboo.Phoenix
+
+  import Mobilizon.Web.Gettext
+
+  alias Mobilizon.{Config, Crypto, Users}
+  alias Mobilizon.Storage.Repo
+  alias Mobilizon.Users.User
+
+  alias Mobilizon.Web.Email
+
+  require Logger
+
+  @spec confirmation_email(User.t(), String.t()) :: Bamboo.Email.t()
+  def confirmation_email(
+        %User{email: email, confirmation_token: confirmation_token},
+        locale \\ "en"
+      ) do
+    Mobilizon.Web.Gettext.put_locale(locale)
+
+    subject =
+      gettext(
+        "Instructions to confirm your Mobilizon account on %{instance}",
+        instance: Config.instance_name()
+      )
+
+    Email.base_email(to: email, subject: subject)
+    |> assign(:locale, locale)
+    |> assign(:token, confirmation_token)
+    |> assign(:subject, subject)
+    |> render(:registration_confirmation)
+  end
+
+  @spec reset_password_email(User.t(), String.t()) :: Bamboo.Email.t()
+  def reset_password_email(
+        %User{email: email, reset_password_token: reset_password_token},
+        locale \\ "en"
+      ) do
+    Mobilizon.Web.Gettext.put_locale(locale)
+
+    subject =
+      gettext(
+        "Instructions to reset your password on %{instance}",
+        instance: Config.instance_name()
+      )
+
+    Email.base_email(to: email, subject: subject)
+    |> assign(:locale, locale)
+    |> assign(:token, reset_password_token)
+    |> assign(:subject, subject)
+    |> render(:password_reset)
+  end
+
+  def check_confirmation_token(token) when is_binary(token) do
+    with %User{} = user <- Users.get_user_by_activation_token(token),
+         {:ok, %User{} = user} <-
+           Users.update_user(user, %{
+             "confirmed_at" => DateTime.utc_now() |> DateTime.truncate(:second),
+             "confirmation_sent_at" => nil,
+             "confirmation_token" => nil
+           }) do
+      Logger.info("User #{user.email} has been confirmed")
+      {:ok, user}
+    else
+      _err ->
+        {:error, :invalid_token}
+    end
+  end
+
+  def resend_confirmation_email(%User{} = user, locale \\ "en") do
+    with :ok <- we_can_send_email(user, :confirmation_sent_at),
+         {:ok, user} <-
+           Users.update_user(user, %{
+             "confirmation_sent_at" => DateTime.utc_now() |> DateTime.truncate(:second)
+           }) do
+      send_confirmation_email(user, locale)
+      Logger.info("Sent confirmation email again to #{user.email}")
+      {:ok, user.email}
+    end
+  end
+
+  def send_confirmation_email(%User{} = user, locale \\ "en") do
+    user
+    |> Email.User.confirmation_email(locale)
+    |> Email.Mailer.deliver_later()
+  end
+
+  @doc """
+  Check that the provided token is correct and update provided password
+  """
+  @spec check_reset_password_token(String.t(), String.t()) :: tuple
+  def check_reset_password_token(password, token) do
+    with %User{} = user <- Users.get_user_by_reset_password_token(token),
+         {:ok, %User{} = user} <-
+           Repo.update(
+             User.password_reset_changeset(user, %{
+               "password" => password,
+               "reset_password_sent_at" => nil,
+               "reset_password_token" => nil
+             })
+           ) do
+      {:ok, user}
+    else
+      {:error, %Ecto.Changeset{errors: [password: {"registration.error.password_too_short", _}]}} ->
+        {:error,
+         "The password you have choosen is too short. Please make sure your password contains at least 6 charaters."}
+
+      _err ->
+        {:error,
+         "The token you provided is invalid. Make sure that the URL is exactly the one provided inside the email you got."}
+    end
+  end
+
+  @doc """
+  Send the email reset password, if it's not too soon since the last send
+  """
+  @spec send_password_reset_email(User.t(), String.t()) :: tuple
+  def send_password_reset_email(%User{} = user, locale \\ "en") do
+    with :ok <- we_can_send_email(user, :reset_password_sent_at),
+         {:ok, %User{} = user_updated} <-
+           Repo.update(
+             User.send_password_reset_changeset(user, %{
+               "reset_password_token" => Crypto.random_string(30),
+               "reset_password_sent_at" => DateTime.utc_now() |> DateTime.truncate(:second)
+             })
+           ) do
+      mail =
+        user_updated
+        |> Email.User.reset_password_email(locale)
+        |> Email.Mailer.deliver_later()
+
+      {:ok, mail}
+    else
+      {:error, reason} -> {:error, reason}
+    end
+  end
+
+  @spec we_can_send_email(User.t(), atom) :: :ok | {:error, :email_too_soon}
+  defp we_can_send_email(%User{} = user, key) do
+    case Map.get(user, key) do
+      nil ->
+        :ok
+
+      _ ->
+        case Timex.before?(
+               Timex.shift(Map.get(user, key), hours: 1),
+               DateTime.utc_now() |> DateTime.truncate(:second)
+             ) do
+          true ->
+            :ok
+
+          false ->
+            {:error, :email_too_soon}
+        end
+    end
+  end
+end