46 lines
1.6 KiB
Ruby
46 lines
1.6 KiB
Ruby
#
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# Copyright (C) 2011 - present 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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class AddUngradedCountToAssignments < ActiveRecord::Migration[4.2]
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tag :predeploy
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def self.up
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add_column :assignments, :needs_grading_count, :integer, :default => 0
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update <<-SQL
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UPDATE #{Assignment.quoted_table_name} SET needs_grading_count = COALESCE((
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SELECT COUNT(*)
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FROM #{Submission.quoted_table_name} s
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INNER JOIN #{Enrollment.quoted_table_name} e ON e.user_id = s.user_id AND e.workflow_state = 'active'
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WHERE s.assignment_id = assignments.id
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AND e.course_id = assignments.context_id
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AND (s.score IS NULL
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OR NOT grade_matches_current_submission
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OR s.workflow_state = 'submitted'
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OR s.workflow_state = 'pending_review'
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)
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AND s.submission_type IS NOT NULL
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AND s.workflow_state <> 'deleted'
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), 0)
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SQL
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end
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def self.down
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remove_column :assignments, :needs_grading_count
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end
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end
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