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36 lines
897 B
Ruby
36 lines
897 B
Ruby
class CallForPapers < ActiveRecord::Base
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attr_accessible :start_date, :end_date,
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:description, :schedule_changes, :rating,
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:schedule_public, :include_cfp_in_splash
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belongs_to :conference
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validates_presence_of :start_date, :end_date
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validates :rating, :numericality => { :greater_than_or_equal_to => 0, :less_than_or_equal_to => 10 }
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##
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# Calculates how many weeks the call for paper is.
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#
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# ====Returns
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# * +Integer+ -> start week
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def weeks
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result = end_week - start_week + 1
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weeks = Date.new(start_date.year, 12, 31).strftime('%W').to_i
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result < 0 ? result + weeks : result
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end
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##
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# Calculates the end week of the cfp
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#
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# ====Returns
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def start_week
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start_date.strftime('%W').to_i
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end
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##
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# Calculates the end week of the cfp
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#
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# ====Returns
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def end_week
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end_date.strftime('%W').to_i
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end
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end
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