Redmine 3.4.4

app/models/message.rb

@@ -0,0 +1,121 @@
+# Redmine - project management software
+# Copyright (C) 2006-2017  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'
+  attr_protected :id
+
+  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 {|o| {:controller => 'messages', :action => 'show', :board_id => o.board_id}.merge(o.parent_id.nil? ? {:id => o.id} :
+                                                                                                                                       {:id => o.parent_id, :r => o.id, :anchor => "message-#{o.id}"})}
+
+  acts_as_activity_provider :scope => 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 :send_notification
+
+  scope :visible, lambda {|*args|
+    joins(:board => :project).
+    where(Project.allowed_to_condition(args.shift || User.current, :view_messages, *args))
+  }
+
+  safe_attributes 'subject', 'content'
+  safe_attributes 'locked', 'sticky', 'board_id',
+    :if => lambda {|message, user|
+      user.allowed_to?(:edit_messages, message.project)
+    }
+
+  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 board_id_changed?
+      Message.where(["id = ? OR parent_id = ?", root.id, root.id]).update_all({:board_id => board_id})
+      Board.reset_counters!(board_id_was)
+      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.message_posted(self).deliver
+    end
+  end
+end