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62 lines
2.8 KiB
62 lines
2.8 KiB
class Poll < ActiveRecord::Base
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#attr_accessible :closed_at, :polls_group_id, :polls_name, :polls_status, :polls_type, :published_at, :user_id
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include Redmine::SafeAttributes
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belongs_to :user
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has_many :poll_questions, :dependent => :destroy,:order => "#{PollQuestion.table_name}.question_number"
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has_many :poll_users, :dependent => :destroy
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has_many :users, :through => :poll_users #该文件被哪些用户提交答案过
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# 添加课程的poll动态
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has_many :acts, :class_name => 'Activity', :as => :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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after_create :act_as_activity, :act_as_course_activity
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# 课程消息
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has_many :course_messages, :class_name =>'CourseMessage', :as => :course_message, :dependent => :destroy
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after_save :act_as_course_message, :act_as_activity, :act_as_course_activity
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acts_as_event :title => Proc.new {|o| "#{l(:label_course_poll)}: #{o.polls_name}" },
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:description => :polls_description,
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:datetime => :published_at,
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:author => :user,
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:url => Proc.new {|o| {:controller => 'poll', :action => 'show', :id => o.id}}
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acts_as_activity_provider :type => 'polls',
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#:permission => :view_course_polls,
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:find_options => {:select => "#{Poll.table_name}.*",
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:joins => "LEFT JOIN #{Course.table_name} ON ( #{Poll.table_name}.polls_type='Course' AND #{Poll.table_name}.polls_status= 2 AND #{Poll.table_name}.polls_group_id = #{Course.table_name}.id )"},
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:timestamp => "#{self.table_name}.published_at",
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:author_key => :user_id
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def act_as_activity
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self.acts << Activity.new(:user_id => self.user_id)
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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.polls_type == "Course"
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if self.polls_status == 2 #问卷是发布状态
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self.course_acts << CourseActivity.new(:user_id => self.user_id,:course_id => self.polls_group_id)
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elsif self.polls_status == 1 #问卷是新建状态
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self.course_acts.destroy_all
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end
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end
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end
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# 发布问卷，出了发布者外，其他人都能收到消息通知
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def act_as_course_message
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if self.polls_type == "Course"
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if self.polls_status == 2 #问卷是发布状态
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Course.find(self.polls_group_id).members.each do |m|
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if m.user_id != self.user_id
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self.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => self.polls_group_id, :viewed => false)
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end
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end
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elsif self.polls_status == 1 #问卷是新建状态
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self.course_messages.destroy_all
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end
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end
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end
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end
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