Notify ninjas on their birthday

config/config.exs

@@ -53,6 +53,12 @@ config :logger, :console,
 # Use Jason for JSON parsing in Phoenix
 config :phoenix, :json_library, Jason
 
+config :bokken, Bokken.Scheduler,
+  jobs: [
+    # Every midnight
+    {"@daily", {BirthdayNotifier, :notify_ninja_birthday, []}}
+  ]
+
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{Mix.env()}.exs"

lib/bokken/accounts.ex

@@ -331,6 +331,7 @@ defmodule Bokken.Accounts do
       [%Ninja{}, ...]
 
   """
+
   def list_ninjas(preloads) when is_list(preloads) do
     Ninja
     |> Repo.all()
@@ -484,6 +485,16 @@ defmodule Bokken.Accounts do
     end
   end
 
+  def get_guardian_email_by_ninja(ninja: user) do
+    user =
+      user
+      |> Repo.preload(:ninja)
+
+    guardian = get_guardian!(user.ninja.guardian_id, [:user])
+
+    guardian.user.email
+  end
+
   alias Bokken.Accounts.Organizer
 
   @doc """

lib/bokken/application.ex

@@ -15,9 +15,13 @@ defmodule Bokken.Application do
       # Start the PubSub system
       {Phoenix.PubSub, name: Bokken.PubSub},
       # Start the Endpoint (http/https)
-      BokkenWeb.Endpoint
+      BokkenWeb.Endpoint,
       # Start a worker by calling: Bokken.Worker.start_link(arg)
       # {Bokken.Worker, arg}
+      Bokken.BirthdayNotifier,
+      # Executes a task periodically to notify Ninjas on their birthday
+      Bokken.Scheduler
+      # Operates cronjob tasks using :quantum
     ]
 
     # See https://hexdocs.pm/elixir/Supervisor.html

lib/bokken/events/event_admin.ex

@@ -3,6 +3,7 @@ defmodule Bokken.Events.EventAdmin do
   The admin view config of events
   """
   alias Bokken.{Events, Pairings}
+  alias Bokken.Mailer
 
   def list_actions(_conn) do
     [
@@ -46,4 +47,20 @@ defmodule Bokken.Events.EventAdmin do
       enrollments_close: nil
     ]
   end
+
+  def send_email(users, email) do
+    users
+    |> List.foldl(
+      %{success: [], fail: []},
+      fn user, accumulator ->
+        case Mailer.deliver(email.(user)) do
+          {:ok, _} ->
+            %{success: [user.email | accumulator[:success]], fail: accumulator[:fail]}
+
+          {:error, _} ->
+            %{success: [accumulator[:success]], fail: [user.email | accumulator[:fail]]}
+        end
+      end
+    )
+  end
 end

lib/bokken/periodically.ex

@@ -0,0 +1,26 @@
+defmodule Bokken.BirthdayNotifier do
+  @moduledoc """
+  Executes a task periodically to notify Ninjas on their birthday.
+  """
+
+  alias Bokken.Accounts
+  alias BokkenWeb.EventsEmails
+  import Bokken.Events.EventAdmin
+
+  defp notify_ninja_birthday do
+    ninjas = Accounts.list_ninjas([:user])
+    current_time = Date.utc_today()
+
+    ninjas
+    |> Enum.filter(fn ninja ->
+      ninja.birthday.month == current_time.month && ninja.birthday.day == current_time.day &&
+        not is_nil(ninja.user)
+    end)
+    |> Enum.map(fn ninja -> ninja.user end)
+    |> send_email(fn user ->
+      EventsEmails.ninja_birthday_email(user.ninja,
+        to: Accounts.get_guardian_email_by_ninja(ninja: user)
+      )
+    end)
+  end
+end

lib/bokken/scheduler.ex

@@ -0,0 +1,3 @@
+defmodule Bokken.Scheduler do
+  use Quantum, otp_app: :your_app
+end

lib/bokken_web/controllers/event_controller.ex

@@ -4,8 +4,8 @@ defmodule BokkenWeb.EventController do
   alias Bokken.Accounts
   alias Bokken.Events
   alias Bokken.Events.Event
-  alias Bokken.Mailer
   alias BokkenWeb.EventsEmails
+  import Bokken.Events.EventAdmin
 
   action_fallback BokkenWeb.FallbackController
 
@@ -143,20 +143,4 @@ defmodule BokkenWeb.EventController do
       |> render("emails.json", res)
     end
   end
-
-  defp send_email(users, email) do
-    users
-    |> List.foldl(
-      %{success: [], fail: []},
-      fn user, accumulator ->
-        case Mailer.deliver(email.(user)) do
-          {:ok, _} ->
-            %{success: [user.email | accumulator[:success]], fail: accumulator[:fail]}
-
-          {:error, _} ->
-            %{success: [accumulator[:success]], fail: [user.email | accumulator[:fail]]}
-        end
-      end
-    )
-  end
 end

lib/bokken_web/emails/event_emails.ex

@@ -46,6 +46,13 @@ defmodule BokkenWeb.EventsEmails do
     |> render_body(:mentor_event_reminder)
   end
 
+  def ninja_birthday_email(ninja, to: email) do
+    base_email(to: email)
+    |> subject("[CoderDojo Braga] O Dojo deseja-te parabéns!")
+    |> assign(:ninja, ninja)
+    |> render_body(:ninja_birthday)
+  end
+
   defp base_email(to: email) do
     new()
     |> from({"CoderDojo Braga", "[email protected]"})

lib/bokken_web/templates/email/ninja_birthday.html.eex

@@ -0,0 +1,72 @@
+<table class="wrapper" style="border-collapse: collapse;table-layout: fixed;min-width: 320px;width: 100%;background-color: #fff;" role="presentation" cellspacing="0" cellpadding="0">
+  <tbody>
+    <tr>
+      <td>
+        <div>
+          <div class="layout one-col fixed-width stack" style="Margin: 0 auto;max-width: 600px;min-width: 320px; width: 320px;width: calc(28000% - 167400px);overflow-wrap: break-word;word-wrap: break-word;word-break: break-word;">
+            <div class="layout__inner" style="border-collapse: collapse;display: table;width: 100%;background-color: #ffffff;">
+              <div class="column" style="text-align: left;color: #000;font-size: 16px;line-height: 24px;font-family: Avenir,sans-serif;">
+
+                <div style="Margin-left: 20px;Margin-right: 20px;">
+                  <div style="mso-line-height-rule: exactly;line-height: 23px;font-size: 1px;">&nbsp;</div>
+                </div>
+
+                <div style="Margin-left: 20px;Margin-right: 20px;">
+                  <div style="mso-line-height-rule: exactly;mso-text-raise: 11px;vertical-align: middle;">
+                    <h1 style="Margin-top: 16px;Margin-bottom: 20px; text-align:center">
+                      🥳 Aniversário 🥳
+                    </h1>
+                  </div>
+                </div>
+
+                <div style="Margin-left: 20px;Margin-right: 20px;">
+                  <div style="mso-line-height-rule: exactly;mso-text-raise: 11px;vertical-align: middle;">
+                    <p style="Margin-top: 16px;Margin-bottom: 20px; text-align:center">
+                      Olá, <%= @ninja.first_name %>! 👋
+                    </p>
+                  </div>
+                </div>
+
+                <div style="Margin-left: 20px;Margin-right: 20px;">
+                  <div style="mso-line-height-rule: exactly;mso-text-raise: 11px;vertical-align: middle;">
+                    <p style="Margin-top: 16px;Margin-bottom: 20px;">
+                      O CoderDojo Braga deseja-te um feliz aniversário! 🎂 Esperamos por ti na próxima sessão! 😄
+                    </p>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
+
+          <div style="mso-line-height-rule: exactly;line-height: 20px;font-size: 20px;">&nbsp;</div>
+
+          <div style="background-color: #ebebeb;">
+            <div class="layout one-col stack" style="Margin: 0 auto;max-width: 600px;min-width: 320px; width: 320px;width: calc(28000% - 167400px);overflow-wrap: break-word;word-wrap: break-word;word-break: break-word;">
+              <div class="layout__inner" style="border-collapse: collapse;display: table;width: 100%;">
+                <div class="column" style="text-align: left;color: #000;font-size: 16px;line-height: 24px;font-family: Avenir,sans-serif;">
+
+                  <div style="Margin-left: 20px;Margin-right: 20px;">
+                    <div style="mso-line-height-rule: exactly;line-height: 20px;font-size: 1px;">&nbsp;</div>
+                  </div>
+
+                  <div style="Margin-left: 20px;Margin-right: 20px;">
+                    <div style="mso-line-height-rule: exactly;line-height: 3px;font-size: 1px;">&nbsp;</div>
+                  </div>
+
+                  <div style="font-size: 12px;font-style: normal;font-weight: normal;line-height: 19px;" align="center">
+                    <a style="text-decoration: underline;transition: opacity 0.1s ease-in;color: #222d8f;" href="https://coderdojobraga.org/"><img style="border: 0;display: block;height: auto;width: 100%;max-width: 134px;" alt="CoderDojo Braga" src="https://coderdojo-braga.vercel.app/img/logo.svg" width="134"></a>
+                  </div>
+
+                  <div style="Margin-left: 20px;Margin-right: 20px;Margin-top: 20px;">
+                    <div style="mso-line-height-rule: exactly;line-height: 1px;font-size: 1px;">&nbsp;</div>
+                  </div>
+
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </td>
+    </tr>
+  </tbody>
+</table>

lib/bokken_web/templates/email/ninja_birthday.text.eex

@@ -0,0 +1,3 @@
+Olá, <%= @ninja.first_name %>! 👋
+
+O CoderDojo Braga deseja-te um feliz aniversário! 🎂 Esperamos por ti na próxima sessão! 😄

mix.exs

@@ -93,7 +93,10 @@ defmodule Bokken.MixProject do
       # tools
       {:credo, "~> 1.6", only: [:dev, :test], runtime: false},
       {:dialyxir, "~> 1.1", only: [:dev, :test], runtime: false},
-      {:ex_doc, "~> 0.28", only: [:dev], runtime: false}
+      {:ex_doc, "~> 0.28", only: [:dev], runtime: false},
+
+      # periodically
+      {:quantum, "~> 3.0"}
     ]
   end