feat(notifications): add missing notifications when an user registers to an event

Closes #1344

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/service/activity/activity.ex

@@ -4,7 +4,17 @@ defmodule Mobilizon.Service.Activity do
   """
 
   alias Mobilizon.Activities.Activity
-  alias Mobilizon.Service.Activity.{Comment, Discussion, Event, Group, Member, Post, Resource}
+
+  alias Mobilizon.Service.Activity.{
+    Comment,
+    Discussion,
+    Event,
+    Group,
+    Member,
+    Participant,
+    Post,
+    Resource
+  }
 
   @callback insert_activity(entity :: struct(), options :: Keyword.t()) ::
               {:ok, Oban.Job.t()} | {:ok, any()} | {:error, Ecto.Changeset.t()}
@@ -45,4 +55,8 @@ defmodule Mobilizon.Service.Activity do
   defp do_get_object(:comment, comment_id) do
     Comment.get_object(comment_id)
   end
+
+  defp do_get_object(:participant, participant_id) do
+    Participant.get_object(participant_id)
+  end
 end

lib/service/activity/participant.ex

@@ -0,0 +1,48 @@
+defmodule Mobilizon.Service.Activity.Participant do
+  @moduledoc """
+  Insert an event activity
+  """
+  alias Mobilizon.{Actors, Events}
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Events.Participant
+  alias Mobilizon.Service.Activity
+  alias Mobilizon.Service.Workers.ActivityBuilder
+
+  @behaviour Activity
+
+  @impl Activity
+  def insert_activity(event, options \\ [])
+
+  def insert_activity(
+        %Participant{event_id: event_id, actor_id: actor_id, id: participant_id} =
+          _participant,
+        options
+      ) do
+    actor = Actors.get_actor(actor_id)
+    event = Events.get_event!(event_id)
+    subject = Keyword.fetch!(options, :subject)
+
+    ActivityBuilder.enqueue(:build_activity, %{
+      "type" => "event",
+      "subject" => subject,
+      "subject_params" => %{
+        actor_name: Actor.display_name(actor),
+        event_title: event.title,
+        event_uuid: event.uuid
+      },
+      "group_id" => event.attributed_to_id,
+      "author_id" => actor.id,
+      "object_type" => "participant",
+      "object_id" => participant_id,
+      "inserted_at" => DateTime.utc_now()
+    })
+  end
+
+  @impl Activity
+  def insert_activity(_, _), do: {:ok, nil}
+
+  @impl Activity
+  def get_object(participant_id) do
+    Events.get_participant(participant_id)
+  end
+end

lib/service/activity/renderer/event.ex

@@ -1,6 +1,6 @@
 defmodule Mobilizon.Service.Activity.Renderer.Event do
   @moduledoc """
-  Insert a comment activity
+  Insert an event activity
   """
   alias Mobilizon.Activities.Activity
   alias Mobilizon.Actors.Actor
@@ -67,6 +67,16 @@ defmodule Mobilizon.Service.Activity.Renderer.Event do
             url: event_url(activity)
           }
         end
+
+      :event_new_participation ->
+        %{
+          body:
+            dgettext("activity", "%{profile} joined your event %{event}.", %{
+              profile: profile(activity),
+              event: title(activity)
+            }),
+          url: event_url(activity)
+        }
     end
   end
 

lib/service/notifier/email.ex

@@ -96,7 +96,7 @@ defmodule Mobilizon.Service.Notifier.Email do
 
   defp can_send_activity?(activity, user, options) do
     Logger.warning(
-      "Can't check if user #{inspect(user)} can be sent an activity (#{inspect(activity)}) (#{inspect(options)})"
+      "Can't check if user #{inspect(user.email)} can be sent an activity (#{inspect(activity)}) (#{inspect(options)})"
     )
 
     false