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class AppliedMessage < ActiveRecord::Base
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# status: 0表示未批准； status：1表示已批准； status： 2表示已拒绝; status: 3撤销
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attr_accessible :applied_id, :applied_type, :status, :user_id, :viewed, :applied_user_id, :role, :project_id, :name
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belongs_to :applied ,:polymorphic => true
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belongs_to :apply_add_schools
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belongs_to :apply_add_department
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belongs_to :user
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has_many :message_alls, :class_name => 'MessageAll', :as =>:message, :dependent => :destroy
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validates :user_id,presence: true
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validates :applied_id,presence: true
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validates :applied_type, presence: true
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# after_create :add_user_message
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# 因为要排序所以需要写入总表
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def add_user_message
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if MessageAll.where("message_type = '#{self.class.to_s}' and message_id = '#{self.id}'").first.nil?
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self.message_alls << MessageAll.new(:user_id => self.user_id, :viewed => false)
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end
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end
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end
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