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- # frozen_string_literal: true
-
- # Redmine - project management software
- # Copyright (C) 2006-2022 Jean-Philippe Lang
- #
- # This program is free software; you can redistribute it and/or
- # modify it under the terms of the GNU General Public License
- # as published by the Free Software Foundation; either version 2
- # of the License, or (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
- class Message < ActiveRecord::Base
- include Redmine::SafeAttributes
- belongs_to :board
- belongs_to :author, :class_name => 'User'
- acts_as_tree :counter_cache => :replies_count, :order => "#{Message.table_name}.created_on ASC"
- acts_as_attachable
- belongs_to :last_reply, :class_name => 'Message'
-
- acts_as_searchable :columns => ['subject', 'content'],
- :preload => {:board => :project},
- :project_key => "#{Board.table_name}.project_id"
-
- acts_as_event(
- :title => Proc.new {|o| "#{o.board.name}: #{o.subject}"},
- :description => :content,
- :group => :parent,
- :type => Proc.new {|o| o.parent_id.nil? ? 'message' : 'reply'},
- :url =>
- Proc.new do |o|
- {:controller => 'messages', :action => 'show',
- :board_id => o.board_id}.
- merge(
- if o.parent_id.nil?
- {:id => o.id}
- else
- {:id => o.parent_id, :r => o.id, :anchor => "message-#{o.id}"}
- end
- )
- end
- )
- acts_as_activity_provider :scope => proc {preload({:board => :project}, :author)},
- :author_key => :author_id
- acts_as_watchable
-
- validates_presence_of :board, :subject, :content
- validates_length_of :subject, :maximum => 255
- validate :cannot_reply_to_locked_topic, :on => :create
-
- after_create :add_author_as_watcher, :reset_counters!
- after_update :update_messages_board
- after_destroy :reset_counters!
- after_create_commit :send_notification
-
- scope :visible, (lambda do |*args|
- joins(:board => :project).
- where(Project.allowed_to_condition(args.shift || User.current, :view_messages, *args))
- end)
-
- safe_attributes 'subject', 'content'
- safe_attributes(
- 'locked', 'sticky', 'board_id',
- :if =>
- lambda do |message, user|
- user.allowed_to?(:edit_messages, message.project)
- end
- )
- def visible?(user=User.current)
- !user.nil? && user.allowed_to?(:view_messages, project)
- end
-
- def cannot_reply_to_locked_topic
- # Can not reply to a locked topic
- errors.add :base, 'Topic is locked' if root.locked? && self != root
- end
-
- def update_messages_board
- if saved_change_to_board_id?
- Message.where(["id = ? OR parent_id = ?", root.id, root.id]).update_all({:board_id => board_id})
- Board.reset_counters!(board_id_before_last_save)
- Board.reset_counters!(board_id)
- end
- end
-
- def reset_counters!
- if parent && parent.id
- Message.where({:id => parent.id}).update_all({:last_reply_id => parent.children.maximum(:id)})
- end
- board.reset_counters!
- end
-
- def sticky=(arg)
- write_attribute :sticky, (arg == true || arg.to_s == '1' ? 1 : 0)
- end
-
- def sticky?
- sticky == 1
- end
-
- def project
- board.project
- end
-
- def editable_by?(usr)
- usr && usr.logged? && (usr.allowed_to?(:edit_messages, project) || (self.author == usr && usr.allowed_to?(:edit_own_messages, project)))
- end
-
- def destroyable_by?(usr)
- usr && usr.logged? && (usr.allowed_to?(:delete_messages, project) || (self.author == usr && usr.allowed_to?(:delete_own_messages, project)))
- end
-
- def notified_users
- project.notified_users.reject {|user| !visible?(user)}
- end
-
- private
-
- def add_author_as_watcher
- Watcher.create(:watchable => self.root, :user => author)
- end
-
- def send_notification
- if Setting.notified_events.include?('message_posted')
- Mailer.deliver_message_posted(self)
- end
- end
- end
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