56 lines
1.6 KiB
Ruby
56 lines
1.6 KiB
Ruby
class Alert < ActiveRecord::Base
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attr_accessible :course, :department, :semester, :sections
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attr_protected :user_id
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attr_protected :alerted
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validates :department, :presence => true,
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:length => {
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:minimum => 2,
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:maximum => 4
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},
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:format => {
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:with => /\A[A-Za-z]+\Z/
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}
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validates :course, :presence => true,
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:length => {
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:minimum => 3,
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:maximum => 4
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},
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:format => {
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:with => /\A[0-9]+[A-Za-z]?\Z/
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}
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validates :semester, :presence => true
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serialize :sections, Array
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validate :section_check
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scope :user_alerts, lambda { |user_id|
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where('Alerts.user_id = ?', user_id)
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}
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def alerted?
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@alerted
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end
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def course_name
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"#{self.department} #{self.course}"
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end
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protected
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def section_check
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section_count = 0
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sections.each do |section|
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unless section =~ /^[A-Za-z0-9 ]$/ || section.empty?
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errors.add(:sections, 'You entered an invalid section number')
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else
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section_count += 1 if !section.empty?
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end
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end
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if section_count == 0
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errors.add(:sections, 'You must enter at least one section')
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end
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end
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end
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