discourse/config/initializers/012-web_hook_events.rb

# frozen_string_literal: true

%i[topic_recovered].each do |event|
  DiscourseEvent.on(event) { |topic, _| WebHook.enqueue_topic_hooks(event, topic) }
end

DiscourseEvent.on(:topic_status_updated) do |topic, status|
  WebHook.enqueue_topic_hooks("topic_#{status}_status_updated", topic)
end

DiscourseEvent.on(:topic_created) do |topic, _, _|
  WebHook.enqueue_topic_hooks(:topic_created, topic)
end

%i[post_created post_recovered].each do |event|
  DiscourseEvent.on(event) { |post, _, _| WebHook.enqueue_post_hooks(event, post) }
end

DiscourseEvent.on(:post_edited) do |post, topic_changed|
  unless post.topic&.trashed?
    # if we are editing the OP and the topic is changed, do not send
    # the post_edited event -- this event is sent separately because
    # when we update the OP in the UI we send two API calls in this order:
    #
    # PUT /t/topic-name
    # PUT /post/243552
    if post.is_first_post? && topic_changed
      WebHook.enqueue_topic_hooks(:topic_edited, post.topic)
    else
      WebHook.enqueue_post_hooks(:post_edited, post)
    end
  end
end

%i[
  user_logged_out
  user_created
  user_logged_in
  user_approved
  user_updated
  user_confirmed_email
].each do |event|
  DiscourseEvent.on(event) { |user| WebHook.enqueue_object_hooks(:user, user, event) }
end

%i[group_created group_updated].each do |event|
  DiscourseEvent.on(event) { |group| WebHook.enqueue_object_hooks(:group, group, event) }
end

%i[category_created category_updated].each do |event|
  DiscourseEvent.on(event) { |category| WebHook.enqueue_object_hooks(:category, category, event) }
end

%i[tag_created tag_updated].each do |event|
  DiscourseEvent.on(event) { |tag| WebHook.enqueue_object_hooks(:tag, tag, event, TagSerializer) }
end

%i[user_badge_granted].each do |event|
  # user_badge_revoked
  DiscourseEvent.on(event) do |badge, user_id|
    ub = UserBadge.find_by(badge: badge, user_id: user_id)
    WebHook.enqueue_object_hooks(:user_badge, ub, event, UserBadgeSerializer)
  end
end

%i[reviewable_created reviewable_score_updated].each do |event|
  DiscourseEvent.on(event) do |reviewable|
    WebHook.enqueue_object_hooks(:reviewable, reviewable, event, reviewable.serializer)
  end
end

DiscourseEvent.on(:reviewable_transitioned_to) do |status, reviewable|
  WebHook.enqueue_object_hooks(
    :reviewable,
    reviewable,
    :reviewable_transitioned_to,
    reviewable.serializer,
  )
end

DiscourseEvent.on(:notification_created) do |notification|
  WebHook.enqueue_object_hooks(
    :notification,
    notification,
    :notification_created,
    NotificationSerializer,
  )
end

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(:user_promoted) do |payload|
  user_id, new_trust_level, old_trust_level =
    payload.values_at(:user_id, :new_trust_level, :old_trust_level)

  next if new_trust_level < old_trust_level

  user = User.find(user_id)
  WebHook.enqueue_object_hooks(:user_promoted, user, :user_promoted, UserSerializer)
end

DiscourseEvent.on(:like_created) do |post_action|
  user = post_action.user
  group_ids = user.groups.map(&:id)
  topic = Topic.includes(:tags).joins(:posts).find_by(posts: { id: post_action.post_id })
  category_id = topic&.category_id
  tag_ids = topic&.tag_ids

  WebHook.enqueue_object_hooks(
    :like,
    post_action,
    :post_liked,
    WebHookLikeSerializer,
    group_ids: group_ids,
    category_id: category_id,
    tag_ids: tag_ids,
  )
end