Make notifs view work for reports

* These are the first small steps for issue 2034 "Reports should send a notification to admins".
* I added a new type of notification "pleroma:report" to the the database manually (a migration will need to be written later)
* I added the new type to the notification_controller
* I made the view return the notification. It doesn't include the report itself (yet)

lib/pleroma/notification.ex

@@ -70,6 +70,7 @@ defmodule Pleroma.Notification do
     move
     pleroma:chat_mention
     pleroma:emoji_reaction
+    pleroma:report
     reblog
   }
 
@@ -367,7 +368,7 @@ defmodule Pleroma.Notification do
   end
 
   def create_notifications(%Activity{data: %{"type" => type}} = activity, options)
-      when type in ["Follow", "Like", "Announce", "Move", "EmojiReact"] do
+      when type in ["Follow", "Like", "Announce", "Move", "EmojiReact", "Flag"] do
     do_create_notifications(activity, options)
   end
 
@@ -410,6 +411,9 @@ defmodule Pleroma.Notification do
       "EmojiReact" ->
         "pleroma:emoji_reaction"
 
+      "Flag" ->
+        "pleroma:report"
+
       # Compatibility with old reactions
       "EmojiReaction" ->
         "pleroma:emoji_reaction"
@@ -467,7 +471,7 @@ defmodule Pleroma.Notification do
   def get_notified_from_activity(activity, local_only \\ true)
 
   def get_notified_from_activity(%Activity{data: %{"type" => type}} = activity, local_only)
-      when type in ["Create", "Like", "Announce", "Follow", "Move", "EmojiReact"] do
+      when type in ["Create", "Like", "Announce", "Follow", "Move", "EmojiReact", "Flag"] do
     potential_receiver_ap_ids = get_potential_receiver_ap_ids(activity)
 
     potential_receivers =
@@ -503,6 +507,10 @@ defmodule Pleroma.Notification do
     [object_id]
   end
 
+  def get_potential_receiver_ap_ids(%{data: %{"type" => "Flag"}}) do
+    User.all_superusers() |> Enum.map(fn user -> user.ap_id end)
+  end
+
   def get_potential_receiver_ap_ids(activity) do
     []
     |> Utils.maybe_notify_to_recipients(activity)

lib/pleroma/web/api_spec/operations/notification_operation.ex

@@ -193,6 +193,7 @@ defmodule Pleroma.Web.ApiSpec.NotificationOperation do
         "mention",
         "pleroma:emoji_reaction",
         "pleroma:chat_mention",
+        "pleroma:report",
         "move",
         "follow_request"
       ],
@@ -206,6 +207,8 @@ defmodule Pleroma.Web.ApiSpec.NotificationOperation do
       - `poll` - A poll you have voted in or created has ended
       - `move` - Someone moved their account
       - `pleroma:emoji_reaction` - Someone reacted with emoji to your status
+      - `pleroma:chat_mention` - Someone mentioned you in a chat message
+      - `pleroma:report` - Someone was reported
       """
     }
   end

lib/pleroma/web/mastodon_api/views/notification_view.ex

@@ -11,6 +11,8 @@ defmodule Pleroma.Web.MastodonAPI.NotificationView do
   alias Pleroma.Object
   alias Pleroma.User
   alias Pleroma.UserRelationship
+  alias Pleroma.Web.AdminAPI.Report
+  alias Pleroma.Web.AdminAPI.ReportView
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.MastodonAPI.AccountView
   alias Pleroma.Web.MastodonAPI.NotificationView
@@ -118,11 +120,20 @@ defmodule Pleroma.Web.MastodonAPI.NotificationView do
       "pleroma:chat_mention" ->
         put_chat_message(response, activity, reading_user, status_render_opts)
 
+      "pleroma:report" ->
+        put_report(response, activity)
+
       type when type in ["follow", "follow_request"] ->
         response
     end
   end
 
+  defp put_report(response, activity) do
+    report_render = ReportView.render("show.json", Report.extract_report_info(activity))
+
+    Map.put(response, :report, report_render)
+  end
+
   defp put_emoji(response, activity) do
     Map.put(response, :emoji, activity.data["content"])
   end