102 lines
2.6 KiB
Ruby
102 lines
2.6 KiB
Ruby
class QueuedPost < ActiveRecord::Base
|
|
|
|
class InvalidStateTransition < StandardError; end;
|
|
|
|
belongs_to :user
|
|
belongs_to :topic
|
|
belongs_to :approved_by, class_name: "User"
|
|
belongs_to :rejected_by, class_name: "User"
|
|
|
|
def create_pending_action
|
|
UserAction.log_action!(action_type: UserAction::PENDING,
|
|
user_id: user_id,
|
|
acting_user_id: user_id,
|
|
target_topic_id: topic_id,
|
|
queued_post_id: id)
|
|
end
|
|
|
|
def self.states
|
|
@states ||= Enum.new(:new, :approved, :rejected)
|
|
end
|
|
|
|
# By default queues are hidden from moderators
|
|
def self.visible_queues
|
|
@visible_queues ||= Set.new(['default'])
|
|
end
|
|
|
|
def self.visible
|
|
where(queue: visible_queues.to_a)
|
|
end
|
|
|
|
def self.new_posts
|
|
where(state: states[:new])
|
|
end
|
|
|
|
def self.new_count
|
|
new_posts.visible.count
|
|
end
|
|
|
|
def visible?
|
|
QueuedPost.visible_queues.include?(queue)
|
|
end
|
|
|
|
def self.broadcast_new!
|
|
msg = { post_queue_new_count: QueuedPost.new_count }
|
|
DiscourseBus.publish('/queue_counts', msg, user_ids: User.staff.pluck(:id))
|
|
end
|
|
|
|
def reject!(rejected_by)
|
|
change_to!(:rejected, rejected_by)
|
|
DiscourseEvent.trigger(:rejected_post, self)
|
|
end
|
|
|
|
def create_options
|
|
opts = {raw: raw}
|
|
opts.merge!(post_options.symbolize_keys)
|
|
|
|
opts[:cooking_options].symbolize_keys! if opts[:cooking_options]
|
|
opts[:topic_id] = topic_id if topic_id
|
|
opts
|
|
end
|
|
|
|
def approve!(approved_by)
|
|
created_post = nil
|
|
QueuedPost.transaction do
|
|
change_to!(:approved, approved_by)
|
|
|
|
creator = PostCreator.new(user, create_options.merge(skip_validations: true))
|
|
created_post = creator.create
|
|
end
|
|
|
|
DiscourseEvent.trigger(:approved_post, self)
|
|
created_post
|
|
end
|
|
|
|
private
|
|
|
|
def change_to!(state, changed_by)
|
|
state_val = QueuedPost.states[state]
|
|
|
|
updates = { state: state_val,
|
|
"#{state}_by_id" => changed_by.id,
|
|
"#{state}_at" => Time.now }
|
|
|
|
# We use an update with `row_count` trick here to avoid stampeding requests to
|
|
# update the same row simultaneously. Only one state change should go through and
|
|
# we can use the DB to enforce this
|
|
row_count = QueuedPost.where('id = ? AND state <> ?', id, state_val).update_all(updates)
|
|
raise InvalidStateTransition.new if row_count == 0
|
|
|
|
if [:rejected, :approved].include?(state)
|
|
UserAction.where(queued_post_id: id).destroy_all
|
|
end
|
|
|
|
# Update the record in memory too, and clear the dirty flag
|
|
updates.each {|k, v| send("#{k}=", v) }
|
|
changes_applied
|
|
|
|
QueuedPost.broadcast_new! if visible?
|
|
end
|
|
|
|
end
|