socialforge/app/models/biding_project.rb

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## fq
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class BidingProject < ActiveRecord::Base
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attr_accessible :bid_id, :project_id, :user_id, :description,:reward
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belongs_to :bid
belongs_to :project
belongs_to :user
DESCRIPTION_LENGTH_LIMIT = 500
validates_length_of :description, :maximum => DESCRIPTION_LENGTH_LIMIT
validates_presence_of :user_id, :bid_id, :project_id
validate :validate_user
validate :validate_bid
validate :validate_project
validates_uniqueness_of :bid_id, :scope => :project_id
def self.cerate_bidding(bid_id, project_id, description = nil)
self.create(:user_id => User.current.id, :bid_id => bid_id,
:project_id => project_id, :description => description)
end
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# used to update the reward ,the value varies from 0,1,2,3,4,5
# added by william
def update_reward(which)
self.update_attribute(:reward,which)
end
# return the reward,the value is a type of string
# added by william
def get_reward
self.reward
end
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def cancel_bidding
unless self.nil?
if User.current.id == self.user_id
self.destroy
end
end
end
private
def validate_user
errors.add :user_id, :invalid if user.nil? || !user.active?
end
def validate_bid
errors.add :bid_id, :invalid if bid.nil?
end
def validate_project
errors.add :project_id, :invalid if project.nil?
end
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end
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