40 lines
1.2 KiB
Ruby
40 lines
1.2 KiB
Ruby
class Conference < ActiveRecord::Base
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validates :title, presence: true, uniqueness: true
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validates :email, presence: true, format: {with: /\A[^@]+@[^@]+\z/}
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validates :description, presence: true
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validates :start_date, presence: true
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validates :end_date, presence: true
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validate :end_date_is_before_start_date
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translates :title, :description
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has_many :tracks, -> { order('id asc') }, dependent: :destroy
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has_many :events, through: :tracks
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has_many :candidate_speakers, through: :events
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has_many :halls, dependent: :destroy
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accepts_nested_attributes_for :tracks, :halls, reject_if: :all_blank, allow_destroy: true
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scope :future, -> { where('start_date >= ?', Date.today).order('start_date ASC') }
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before_save :close_all_other_calls_for_papers
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def self.current
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future.first || last
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end
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private
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def close_all_other_calls_for_papers
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if call_for_papers_open? and call_for_papers_open_changed?
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Conference.where.not(id: self.id).update_all call_for_papers_open: false
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end
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end
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def end_date_is_before_start_date
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if start_date.present? and end_date.present? and start_date > end_date
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errors.add(:end_date, :cannot_be_before_start_date)
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end
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end
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end
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