add emails

lib/lokal/accounts/email.ex

@@ -0,0 +1,48 @@
+defmodule Lokal.Email do
+  @moduledoc """
+  Emails that can be sent using Swoosh.
+
+  You can find the base email templates at
+  `lib/Lokal_web/templates/layout/email.html.heex` for html emails and
+  `lib/Lokal_web/templates/layout/email.txt.heex` for text emails.
+  """
+
+  use Phoenix.Swoosh, view: LokalWeb.EmailView, layout: {LokalWeb.LayoutView, :email}
+  import LokalWeb.Gettext
+  alias Lokal.Accounts.User
+  alias LokalWeb.EmailView
+
+  @typedoc """
+  Represents an HTML and text body email that can be sent
+  """
+  @type t() :: Swoosh.Email.t()
+
+  @spec base_email(User.t(), String.t()) :: t()
+  defp base_email(%User{email: email}, subject) do
+    from = Application.get_env(:Lokal, Lokal.Mailer)[:email_from] || "noreply@localhost"
+    name = Application.get_env(:Lokal, Lokal.Mailer)[:email_name]
+    new() |> to(email) |> from({name, from}) |> subject(subject)
+  end
+
+  @spec generate_email(key :: String.t(), User.t(), attrs :: map()) :: t()
+  def generate_email("welcome", user, %{"url" => url}) do
+    user
+    |> base_email(dgettext("emails", "Confirm your %{name} account", name: "Lokal"))
+    |> render_body("confirm_email.html", %{user: user, url: url})
+    |> text_body(EmailView.render("confirm_email.txt", %{user: user, url: url}))
+  end
+
+  def generate_email("reset_password", user, %{"url" => url}) do
+    user
+    |> base_email(dgettext("emails", "Reset your %{name} password", name: "Lokal"))
+    |> render_body("reset_password.html", %{user: user, url: url})
+    |> text_body(EmailView.render("reset_password.txt", %{user: user, url: url}))
+  end
+
+  def generate_email("update_email", user, %{"url" => url}) do
+    user
+    |> base_email(dgettext("emails", "Update your %{name} email", name: "Lokal"))
+    |> render_body("update_email.html", %{user: user, url: url})
+    |> text_body(EmailView.render("update_email.txt", %{user: user, url: url}))
+  end
+end

lib/lokal/accounts/email_worker.ex

@@ -0,0 +1,13 @@
+defmodule Lokal.EmailWorker do
+  @moduledoc """
+  Oban worker that dispatches emails
+  """
+
+  use Oban.Worker, queue: :mailers, tags: ["email"]
+  alias Lokal.{Accounts, Email, Mailer}
+
+  @impl Oban.Worker
+  def perform(%Oban.Job{args: %{"email" => email, "user_id" => user_id, "attrs" => attrs}}) do
+    Email.generate_email(email, user_id |> Accounts.get_user!(), attrs) |> Mailer.deliver()
+  end
+end