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# Redmine - project management software
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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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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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class Message < ActiveRecord::Base
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include Redmine::SafeAttributes
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include UserScoreHelper
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include ApplicationHelper
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has_many_kindeditor_assets :assets, :dependent => :destroy
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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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has_many :praise_tread, as: :praise_tread_object, dependent: :destroy
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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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# added by fq
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has_many :acts, :class_name => 'Activity', :as => :act, :dependent => :destroy
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# 被ForgeActivity虚拟关联
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has_many :forge_acts, :class_name => 'ForgeActivity',:as =>:forge_act ,:dependent => :destroy
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# 课程动态
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has_many :course_acts, :class_name => 'CourseActivity',:as =>:course_act ,:dependent => :destroy
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# end
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# 课程/项目 消息
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has_many :course_messages, :class_name =>'CourseMessage', :as => :course_message, :dependent => :destroy
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has_many :forge_messages, :class_name => 'ForgeMessage', :as => :forge_message, :dependent => :destroy
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#end
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has_many :ActivityNotifies,:as => :activity, :dependent => :destroy
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acts_as_searchable :columns => ['subject', 'content'],
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:include => {:board => :project},
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:project_key => "#{Board.table_name}.project_id",
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:date_column => "#{table_name}.created_on"
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acts_as_searchable :columns => ['subject', 'content'],
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:include => {:board => :course},
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:course_key => "#{Board.table_name}.course_id",
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:date_column => "#{table_name}.created_at"
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acts_as_event :title => Proc.new {|o| "#{o.board.name}: #{o.subject}"},
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:description => :content,
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:datetime => :updated_on,
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# :datetime => "#{Message.table_name}.created_on",
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:group => :parent,
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:type => Proc.new {|o| o.parent_id.nil? ? 'message' : 'reply'},
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:url => Proc.new {|o| {:controller => 'messages', :action => 'show', :board_id => o.board_id}.merge(o.parent_id.nil? ? {:id => o.id} :
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{:id => o.parent_id, :r => o.id, :anchor => "message-#{o.id}"})}
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acts_as_activity_provider :find_options => {:include => [{:board => :project}, :author]},
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:author_key => :author_id
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acts_as_activity_provider :find_options => {:include => [{:board => :course}, :author]},
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:type => 'course_messages',
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:author_key => :author_id
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acts_as_watchable
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validates_presence_of :board, :subject, :content
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validates_length_of :subject, :maximum => 255
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validate :cannot_reply_to_locked_topic, :on => :create
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after_create :add_author_as_watcher, :reset_counters!
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after_update :update_messages_board
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after_destroy :reset_counters!,:down_user_score,:delete_kindeditor_assets
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after_create :act_as_activity,:act_as_course_activity,:be_user_score,:act_as_forge_activity, :act_as_system_message, :send_mail
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#before_save :be_user_score
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scope :visible, lambda {|*args|
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includes(:board => :project).where(Project.allowed_to_condition(args.shift || User.current, :view_messages, *args))
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}
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scope :course_visible, lambda {|*args|
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includes(:board => :course).where(Course.allowed_to_condition(args.shift || User.current, :view_course_messages, *args))
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}
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safe_attributes 'subject', 'content', 'reply_id'
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safe_attributes 'board_id','locked', 'sticky',
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:if => lambda {|message, user|
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if message.project
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user.allowed_to?(:edit_messages, message.project)
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else
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user.allowed_to?(:edit_messages, message.course)
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end
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}
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def visible?(user=User.current)
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if project
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!user.nil? && user.allowed_to?(:view_messages, project)
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elsif course
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!user.nil? && user.allowed_to?(:view_messages, course)
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end
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end
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def cannot_reply_to_locked_topic
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# Can not reply to a locked topic
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errors.add :base, 'Topic is locked' if root.locked? && self != root
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end
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def update_messages_board
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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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if parent && parent.id
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Message.update_all({:last_reply_id => parent.children.maximum(:id)}, {:id => parent.id})
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end
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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 course
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board.course
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end
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def course_editable_by?(usr)
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usr && usr.logged? && (usr.allowed_to?(:edit_messages, course) || (self.author == usr && usr.allowed_to?(:edit_own_messages, course)))
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end
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def course_destroyable_by?(usr)
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usr && usr.logged? && (usr.allowed_to?(:delete_messages, course) || (self.author == usr && usr.allowed_to?(:delete_own_messages, course)))
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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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def set_notify_id(notify_id)
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@notify_id= notify_id
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end
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def get_notify_id()
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return @notify_id
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end
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def set_notify_is_read(notify_is_read)
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@notify_is_read = notify_is_read
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end
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def get_notify_is_read()
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return @notify_is_read
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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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# fq
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def act_as_activity
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self.acts << Activity.new(:user_id => self.author_id)
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end
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# end
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# Time 2015-02-27 14:32:25
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# Author lizanle
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# Description
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def act_as_forge_activity
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# 如果project为空，那么就是课程相关的消息
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if !self.board.project.nil?
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self.forge_acts << ForgeActivity.new(:user_id => self.author_id,
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:project_id => self.board.project.id)
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end
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end
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#课程动态公共表记录
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def act_as_course_activity
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if self.course && self.parent_id.nil?
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self.course_acts << CourseActivity.new(:user_id => self.author_id,:course_id => self.board.course_id)
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end
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end
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# 课程讨论区添加消息:
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# 老师发帖所有人都能收到消息
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# 学生发帖，有人回复则给该学生消息，没回复则不给其它人发送消息
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# 帖子被回复的可以收到消息通知
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# 项目讨论区添加消息：
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# 主贴项目成员都能收到
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# 回帖：帖子的发布人收到
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def act_as_system_message
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if self.course
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if self.parent_id.nil? # 主贴
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self.course.members.each do |m|
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if self.author.allowed_to?(:as_teacher, self.course) && m.user_id != self.author_id # 老师 自己的帖子不给自己发送消息
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self.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => self.board.course_id, :viewed => false)
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end
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end
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else # 回帖
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self.course.members.each do |m|
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if m.user_id == Message.find(self.parent_id).author_id && m.user_id != self.author_id # 只针对主贴回复，回复自己的帖子不发消息
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self.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => self.board.course_id, :viewed => false)
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end
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end
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end
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else # 项目相关
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if self.parent_id.nil? # 主贴
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self.project.members.each do |m|
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if m.user_id != self.author_id
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self.forge_messages << ForgeMessage.new(:user_id => m.user_id, :project_id => self.board.project_id, :viewed => false)
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end
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end
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else # 回帖
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self.project.members.each do |m|
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if m.user_id == Message.find(self.parent_id).author_id && m.user_id != self.author_id # 只针对主贴回复，回复自己的帖子不发消息
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self.forge_messages << ForgeMessage.new(:user_id => m.user_id, :project_id => self.board.project_id, :viewed => false)
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end
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end
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end
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end
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end
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#更新用户分数 -by zjc
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def be_user_score
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#新建message且无parent的为发帖
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if self.parent_id.nil? && !self.board.project.nil?
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UserScore.joint(:post_message, self.author,nil,self, { message_id: self.id })
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update_memo_number(self.author,1)
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if self.board.project_id != -1
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update_memo_number(self.author,2,self.board.project)
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end
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#新建message且有parent的为回帖
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elsif !self.parent_id.nil? && !self.board.project.nil?
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UserScore.joint(:reply_posting, self.author,self.parent.author,self, { message_id: self.id })
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update_replay_for_memo(self.author,1)
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if self.board.project_id != -1
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update_replay_for_memo(self.author,2,self.board.project)
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end
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end
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end
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#减少用户分数
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def down_user_score
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if self.parent_id.nil? && !self.board.project.nil?
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UserScore.joint(:delete_message, self.author,nil,self, { message_id: self.id })
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update_memo_number(User.current,1)
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if self.board.project_id != -1
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update_memo_number(self.author,2,self.board.project)
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end
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elsif !self.parent_id.nil? && !self.board.project.nil?
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UserScore.joint(:reply_deleting, self.author,self.parent.author,self, { message_id: self.id })
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update_replay_for_memo(User.current,1)
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if self.board.project_id != -1
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update_replay_for_memo(self.author,2,self.board.project)
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end
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end
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end
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def send_mail
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Mailer.run.message_posted(self) if Setting.notified_events.include?('message_posted')
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end
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# Time 2015-03-31 09:15:06
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# Author lizanle
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# Description 删除对应消息的图片资源
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def delete_kindeditor_assets
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delete_kindeditor_assets_from_disk self.id,OwnerTypeHelper::MESSAGE
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end
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end
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