class PostActionNotifier def self.disable @disabled = true end def self.enable @disabled = false end def self.alerter @alerter ||= PostAlerter.new end def self.refresh_like_notification(post, read) return unless post && post.user_id usernames = post.post_actions.where(post_action_type_id: PostActionType.types[:like]) .joins(:user) .order('post_actions.created_at desc') .where('post_actions.created_at > ?', 1.day.ago) .pluck(:username) if usernames.length > 0 data = { topic_title: post.topic.title, username: usernames[0], display_username: usernames[0], username2: usernames[1], count: usernames.length } Notification.create( notification_type: Notification.types[:liked], topic_id: post.topic_id, post_number: post.post_number, user_id: post.user_id, read: read, data: data.to_json ) end end def self.post_action_deleted(post_action) return if @disabled # We only care about deleting post actions for now return if post_action.deleted_at.blank? if post_action.post_action_type_id == PostActionType.types[:like] && post_action.post read = true Notification.where( topic_id: post_action.post.topic_id, user_id: post_action.post.user_id, post_number: post_action.post.post_number, notification_type: Notification.types[:liked] ).each do |notification| read = false unless notification.read notification.destroy end refresh_like_notification(post_action.post, read) else # not using destroy_all cause we want stuff to trigger Notification.where(post_action_id: post_action.id).each(&:destroy) end end def self.post_action_created(post_action) return if @disabled # We only notify on likes for now return unless post_action.is_like? post = post_action.post return if post_action.user.blank? alerter.create_notification( post.user, Notification.types[:liked], post, display_username: post_action.user.username, post_action_id: post_action.id, user_id: post_action.user_id ) end def self.after_create_post_revision(post_revision) return if @disabled post = post_revision.post return unless post return if post_revision.user.blank? return if post_revision.user_id == post.user_id return if post.topic.private_message? return if SiteSetting.disable_edit_notifications && post_revision.user_id == Discourse::SYSTEM_USER_ID alerter.create_notification( post.user, Notification.types[:edited], post, display_username: post_revision.user.username, acting_user_id: post_revision.try(:user_id) ) end end