FEATURE: add support for like webhooks (#12917)

* FEATURE: add support for like webhooks

Add support for like webhooks. Webhook events only send on user membership
in the defined webhook group filters.

This also fixes group webhook events, as before this was never used, and
the logic was not correct.

config/initializers/012-web_hook_events.rb

@@ -106,3 +106,9 @@ DiscourseEvent.on(:user_added_to_group) do |user, group, options|
   group_user = GroupUser.find_by(user: user, group: group)
   WebHook.enqueue_object_hooks(:group_user, group_user, :user_added_to_group, WebHookGroupUserSerializer)
 end
+
+DiscourseEvent.on(:like_created) do |post_action|
+  user = post_action.user
+  group_ids = user.groups.map(&:id)
+  WebHook.enqueue_object_hooks(:like, post_action, :post_liked, WebHookLikeSerializer, group_ids: group_ids)
+end

config/locales/client.en.yml

@@ -4040,6 +4040,9 @@ en:
         group_user_event:
           name: "Group User Event"
           details: "When a user is added or removed in a group."
+        like_event:
+          name: "Like Event"
+          details: "When a user likes a post."
         delivery_status:
           title: "Delivery Status"
           inactive: "Inactive"