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116 lines
3.7 KiB
116 lines
3.7 KiB
#-- encoding: UTF-8
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#-- copyright
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# ChiliProject is a project management system.
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#
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# Copyright (C) 2010-2011 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# See doc/COPYRIGHT.rdoc for more details.
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#++
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class Message < ActiveRecord::Base
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include Redmine::SafeAttributes
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belongs_to :board
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belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
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acts_as_tree :counter_cache => :replies_count, :order => "#{Message.table_name}.created_on ASC"
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acts_as_attachable
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belongs_to :last_reply, :class_name => 'Message', :foreign_key => 'last_reply_id'
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acts_as_journalized :event_title => Proc.new {|o| "#{o.board.name}: #{o.subject}"},
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:event_description => :content,
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:event_type => Proc.new {|o| o.parent_id.nil? ? 'message' : 'reply'},
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:event_url => (Proc.new do |o|
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msg = o.journaled
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if msg.parent_id.nil?
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{:id => msg.id}
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else
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{:id => msg.parent_id, :r => msg.id, :anchor => "message-#{msg.id}"}
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end.reverse_merge :controller => 'messages', :action => 'show', :board_id => msg.board_id
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end),
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:activity_find_options => { :include => { :board => :project } }
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acts_as_searchable :columns => ['subject', 'content'],
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:include => {:board => :project},
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:project_key => 'project_id',
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:date_column => "#{table_name}.created_on"
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acts_as_watchable
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attr_protected :locked, :sticky, :author_id
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validates_presence_of :board, :subject, :content
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validates_length_of :subject, :maximum => 255
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after_create :add_author_as_watcher
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after_create :update_last_reply_in_parent
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after_destroy :reset_counters
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scope :visible, lambda {|*args| { :include => {:board => :project},
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:conditions => Project.allowed_to_condition(args.first || User.current, :view_messages) } }
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safe_attributes 'subject', 'content'
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safe_attributes 'locked', 'sticky',
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:if => lambda {|message, user|
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user.allowed_to?(:edit_messages, message.project)
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}
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def visible?(user=User.current)
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!user.nil? && user.allowed_to?(:view_messages, project)
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end
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validate :validate_unlocked_root, :on => :create
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# Can not reply to a locked topic
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def validate_unlocked_root
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errors.add_to_base 'Topic is locked' if root.locked? && self != root
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end
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def update_last_reply_in_parent
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if parent
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parent.reload.update_attribute(:last_reply_id, self.id)
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end
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board.reset_counters!
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end
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def after_update
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if board_id_changed?
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Message.update_all("board_id = #{board_id}", ["id = ? OR parent_id = ?", root.id, root.id])
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Board.reset_counters!(board_id_was)
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Board.reset_counters!(board_id)
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end
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end
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def reset_counters
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board.reset_counters!
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end
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def sticky=(arg)
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write_attribute :sticky, (arg == true || arg.to_s == '1' ? 1 : 0)
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end
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def sticky?
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sticky == 1
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end
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def project
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board.project
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end
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def editable_by?(usr)
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usr && usr.logged? && (usr.allowed_to?(:edit_messages, project) || (self.author == usr && usr.allowed_to?(:edit_own_messages, project)))
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end
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def destroyable_by?(usr)
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usr && usr.logged? && (usr.allowed_to?(:delete_messages, project) || (self.author == usr && usr.allowed_to?(:delete_own_messages, project)))
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end
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private
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def add_author_as_watcher
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Watcher.create(:watchable => self.root, :user => author)
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end
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end
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