feat: add join confirmation and mail templating

lib/mv/accounts/user/senders/send_new_user_confirmation_email.ex

@@ -1,12 +1,20 @@
 defmodule Mv.Accounts.User.Senders.SendNewUserConfirmationEmail do
   @moduledoc """
   Sends an email for a new user to confirm their email address.
+
+  Uses the unified email layout (MvWeb.EmailsView + EmailLayoutView) and
+  central mail from config (Mv.Mailer.mail_from/0).
   """
 
   use AshAuthentication.Sender
-  use MvWeb, :verified_routes
 
+  use Phoenix.Swoosh,
+    view: MvWeb.EmailsView,
+    layout: {MvWeb.EmailLayoutView, "layout.html"}
+
+  use MvWeb, :verified_routes
   import Swoosh.Email
+  use Gettext, backend: MvWeb.Gettext, otp_app: :mv
 
   alias Mv.Mailer
 
@@ -26,21 +34,16 @@ defmodule Mv.Accounts.User.Senders.SendNewUserConfirmationEmail do
   """
   @impl true
   def send(user, token, _) do
+    confirm_url = url(~p"/confirm_new_user/#{token}")
+    subject = gettext("Confirm your email address")
+
     new()
-    # Replace with email from env
-    |> from({"noreply", "noreply@example.com"})
+    |> from(Mailer.mail_from())
     |> to(to_string(user.email))
-    |> subject("Confirm your email address")
-    |> html_body(body(token: token))
+    |> subject(subject)
+    |> put_view(MvWeb.EmailsView)
+    |> put_layout({MvWeb.EmailLayoutView, "layout.html"})
+    |> render_body("user_confirmation.html", %{confirm_url: confirm_url, subject: subject})
     |> Mailer.deliver!()
   end
-
-  defp body(params) do
-    url = url(~p"/confirm_new_user/#{params[:token]}")
-
-    """
-    <p>Click this link to confirm your email:</p>
-    <p><a href="#{url}">#{url}</a></p>
-    """
-  end
 end

lib/mv/accounts/user/senders/send_password_reset_email.ex

@@ -1,12 +1,20 @@
 defmodule Mv.Accounts.User.Senders.SendPasswordResetEmail do
   @moduledoc """
-  Sends a password reset email
+  Sends a password reset email.
+
+  Uses the unified email layout (MvWeb.EmailsView + EmailLayoutView) and
+  central mail from config (Mv.Mailer.mail_from/0).
   """
 
   use AshAuthentication.Sender
-  use MvWeb, :verified_routes
 
+  use Phoenix.Swoosh,
+    view: MvWeb.EmailsView,
+    layout: {MvWeb.EmailLayoutView, "layout.html"}
+
+  use MvWeb, :verified_routes
   import Swoosh.Email
+  use Gettext, backend: MvWeb.Gettext, otp_app: :mv
 
   alias Mv.Mailer
 
@@ -26,21 +34,16 @@ defmodule Mv.Accounts.User.Senders.SendPasswordResetEmail do
   """
   @impl true
   def send(user, token, _) do
+    reset_url = url(~p"/password-reset/#{token}")
+    subject = gettext("Reset your password")
+
     new()
-    # Replace with email from env
-    |> from({"noreply", "noreply@example.com"})
+    |> from(Mailer.mail_from())
     |> to(to_string(user.email))
-    |> subject("Reset your password")
-    |> html_body(body(token: token))
+    |> subject(subject)
+    |> put_view(MvWeb.EmailsView)
+    |> put_layout({MvWeb.EmailLayoutView, "layout.html"})
+    |> render_body("password_reset.html", %{reset_url: reset_url, subject: subject})
     |> Mailer.deliver!()
   end
-
-  defp body(params) do
-    url = url(~p"/password-reset/#{params[:token]}")
-
-    """
-    <p>Click this link to reset your password:</p>
-    <p><a href="#{url}">#{url}</a></p>
-    """
-  end
 end

lib/mv/mailer.ex

@@ -1,3 +1,19 @@
 defmodule Mv.Mailer do
+  @moduledoc """
+  Swoosh mailer for transactional emails.
+
+  Use `mail_from/0` for the configured sender address (join confirmation,
+  user confirmation, password reset).
+  """
   use Swoosh.Mailer, otp_app: :mv
+
+  @doc """
+  Returns the configured "from" address for transactional emails.
+
+  Configure in config.exs or runtime.exs as `config :mv, :mail_from, {name, email}`.
+  Default: `{"Mila", "noreply@example.com"}`.
+  """
+  def mail_from do
+    Application.get_env(:mv, :mail_from, {"Mila", "noreply@example.com"})
+  end
 end