52 lines
1.3 KiB
Ruby
52 lines
1.3 KiB
Ruby
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module OrbitModel
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module TimeFrame
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def self.included(base)
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base.extend ClassMethods
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base.class_eval do
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field :postdate , :type => DateTime
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field :deadline , :type => DateTime
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before_save :check_deadline
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query = {type: 'any_of', conditions: "{deadline: nil, :postdate.lte => Time.now} , {:deadline.gte => Time.now, :postdate.lte => Time.now}"}
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if class_variable_defined?(:@@can_display)
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class_variable_set(:@@can_display, (class_variable_get(:@@can_display) << query))
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else
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class_variable_set(:@@can_display, [query])
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end
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send :include, InstanceMethods
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end
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end
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module InstanceMethods
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def is_expired?
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Date.today > self.deadline ? true : false rescue false
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end
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private
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def check_deadline
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if(!self.deadline.nil? and (self.deadline < self.postdate ))
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self.deadline = nil
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end
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end
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end
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module ClassMethods
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define_method(:can_display) do
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final_query = class_variable_get(:@@can_display).inject('') do |result, query_hash|
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result << "." if result.present?
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result << "#{query_hash[:type]}(#{query_hash[:conditions]})"
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result
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end
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eval(final_query)
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end unless method_defined? :can_display
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end
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end
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end
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