65 lines
2.1 KiB
Ruby
65 lines
2.1 KiB
Ruby
#
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# Copyright (C) 2013 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 SubmissionVersion < ActiveRecord::Base
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attr_accessible :context_id, :context_type, :user_id, :assignment_id, :version_id
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belongs_to :context, :polymorphic => true
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validates_inclusion_of :context_type, :allow_nil => false, :in => ['Course']
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belongs_to :version
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validates_presence_of :context_id, :version_id, :user_id, :assignment_id
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class << self
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def index_version(version)
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attributes = extract_version_attributes(version)
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SubmissionVersion.create(attributes) if attributes
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end
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def index_versions(versions, options = {})
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records = versions.map{ |version| extract_version_attributes(version, options) }.compact
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bulk_insert(records) if records.present?
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end
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private
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def extract_version_attributes(version, options = {})
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# TODO make context extraction more efficient in bulk case
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model = if options[:ignore_errors]
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begin
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return nil unless Submission.where(:id => version.versionable_id).exists?
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version.model
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rescue ArgumentError
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return nil
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end
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else
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version.model
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end
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assignment = model.assignment
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return nil unless assignment
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{
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:context_id => assignment.context_id,
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:context_type => assignment.context_type,
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:user_id => model.user_id,
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:assignment_id => model.assignment_id,
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:version_id => version.id
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}
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end
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end
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end
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