71 lines
2.1 KiB
Ruby
71 lines
2.1 KiB
Ruby
#
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# Copyright (C) 2012 Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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class AssignmentOverrideStudent < ActiveRecord::Base
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belongs_to :assignment
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belongs_to :assignment_override
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belongs_to :user
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belongs_to :quiz
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attr_accessible :user
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validates_presence_of :assignment_override, :user
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validates_uniqueness_of :user_id, :scope => [:assignment_id, :quiz_id]
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validate :assignment_override do |record|
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if record.assignment_override && record.assignment_override.set_type != 'ADHOC'
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record.errors.add :assignment_override, "is not adhoc"
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end
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end
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validate :assignment do |record|
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if record.assignment_override && record.assignment_id != record.assignment_override.assignment_id
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record.errors.add :assignment, "doesn't match assignment_override"
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end
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end
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validate :user do |record|
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if record.user && record.context_id && !record.user.student_enrollments.where(:course_id => record.context_id).exists?
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record.errors.add :user, "is not in the assignment's course"
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end
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end
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validate do |record|
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if [record.assignment, record.quiz].all?(&:nil?)
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record.errors.add :base, "requires assignment or quiz"
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end
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end
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def context_id
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if quiz
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quiz.context_id
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elsif assignment
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assignment.context_id
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end
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end
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before_validation :default_values
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def default_values
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if assignment_override
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self.assignment_id = assignment_override.assignment_id
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self.quiz_id = assignment_override.quiz_id
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end
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end
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protected :default_values
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end
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