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35 lines
1.3 KiB
35 lines
1.3 KiB
6 years ago
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class PrincipalActivity < ActiveRecord::Base
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attr_accessible :principal_act_id, :principal_act_type, :principal_id, :user_id
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#虚拟关联
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belongs_to :principal_act ,:polymorphic => true
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belongs_to :user
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validates :user_id,presence: true
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validates :principal_id,presence: true
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validates :principal_act_id,presence: true
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validates :principal_act_type, presence: true
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has_many :user_acts, :class_name => 'UserAcivity',:as =>:act
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after_save :add_user_activity
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before_destroy :destroy_user_activity
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#在个人动态里面增加当前动态
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def add_user_activity
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user_activity = UserActivity.where("act_type = '#{self.principal_act_type.to_s}' and act_id = '#{self.principal_act_id}'").first
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if user_activity
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user_activity.save
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else
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user_activity = UserActivity.new
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user_activity.act_id = self.principal_act_id
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user_activity.act_type = self.principal_act_type
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user_activity.container_type = "Principal"
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user_activity.container_id = self.principal_id
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user_activity.user_id = self.user_id
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user_activity.save
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end
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end
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def destroy_user_activity
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user_activity = UserActivity.where("act_type = '#{self.principal_act_type.to_s}' and act_id = '#{self.principal_act_id}'")
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user_activity.destroy_all
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end
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end
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