require_dependency 'post_creator' require_dependency 'new_post_result' require_dependency 'post_enqueuer' # Determines what actions should be taken with new posts. # # The default action is to create the post, but this can be extended # with `NewPostManager.add_handler` to take other approaches depending # on the user or input. class NewPostManager attr_reader :user, :args def self.sorted_handlers @sorted_handlers ||= clear_handlers! end def self.handlers sorted_handlers.map {|h| h[:proc]} end def self.clear_handlers! @sorted_handlers = [{ priority: 0, proc: method(:default_handler) }] end def self.add_handler(priority=0, &block) sorted_handlers << { priority: priority, proc: block } @sorted_handlers.sort_by! {|h| -h[:priority]} end def self.user_needs_approval?(user) (user.post_count < SiteSetting.approve_post_count) || (user.trust_level < SiteSetting.approve_unless_trust_level.to_i) end def self.default_handler(manager) manager.enqueue('default') if user_needs_approval?(manager.user) end def self.queue_enabled? SiteSetting.approve_post_count > 0 || SiteSetting.approve_unless_trust_level.to_i > 0 || handlers.size > 1 end def initialize(user, args) @user = user @args = args.delete_if {|_, v| v.nil?} end def perform # We never queue private messages return perform_create_post if @args[:archetype] == Archetype.private_message if args[:topic_id] && Topic.where(id: args[:topic_id], archetype: Archetype.private_message).exists? return perform_create_post end # Perform handlers until one returns a result handled = NewPostManager.handlers.any? do |handler| result = handler.call(self) return result if result false end perform_create_post unless handled end # Enqueue this post in a queue def enqueue(queue, reason=nil) result = NewPostResult.new(:enqueued) enqueuer = PostEnqueuer.new(@user, queue) queued_args = {post_options: @args.dup} queued_args[:raw] = queued_args[:post_options].delete(:raw) queued_args[:topic_id] = queued_args[:post_options].delete(:topic_id) post = enqueuer.enqueue(queued_args) QueuedPost.broadcast_new! if post && post.errors.empty? result.queued_post = post result.reason = reason if reason result.check_errors_from(enqueuer) result.pending_count = QueuedPost.new_posts.where(user_id: @user.id).count result end def perform_create_post result = NewPostResult.new(:create_post) creator = PostCreator.new(@user, @args) post = creator.create result.check_errors_from(creator) if result.success? result.post = post else @user.flag_linked_posts_as_spam if creator.spam? end result end end