91 lines
3.8 KiB
Ruby
91 lines
3.8 KiB
Ruby
#
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# Copyright (C) 2018 - 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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#
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class FixLastCommentAtFunctions < ActiveRecord::Migration[5.1]
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tag :predeploy
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def up
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execute("
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CREATE OR REPLACE FUNCTION #{connection.quote_table_name("submission_comment_after_save_set_last_comment_at__tr_fn")} () RETURNS trigger AS $$
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BEGIN
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UPDATE submissions
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SET last_comment_at = (
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SELECT MAX(submission_comments.created_at) FROM submission_comments
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WHERE submission_comments.submission_id=submissions.id AND
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submission_comments.author_id <> submissions.user_id AND
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submission_comments.draft <> 't' AND
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submission_comments.provisional_grade_id IS NULL
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) WHERE id = NEW.submission_id;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;")
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execute("
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CREATE OR REPLACE FUNCTION #{connection.quote_table_name("submission_comment_after_delete_set_last_comment_at__tr_fn")} () RETURNS trigger AS $$
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BEGIN
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UPDATE submissions
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SET last_comment_at = (
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SELECT MAX(submission_comments.created_at) FROM submission_comments
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WHERE submission_comments.submission_id=submissions.id AND
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submission_comments.author_id <> submissions.user_id AND
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submission_comments.draft <> 't' AND
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submission_comments.provisional_grade_id IS NULL
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) WHERE id = OLD.submission_id;
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RETURN OLD;
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END;
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$$ LANGUAGE plpgsql;")
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set_search_path("submission_comment_after_save_set_last_comment_at__tr_fn", "()")
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set_search_path("submission_comment_after_delete_set_last_comment_at__tr_fn", "()")
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end
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def down
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execute("
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CREATE OR REPLACE FUNCTION #{connection.quote_table_name("submission_comment_after_save_set_last_comment_at__tr_fn")} () RETURNS trigger AS $$
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BEGIN
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UPDATE #{Submission.quoted_table_name}
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SET last_comment_at = (
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SELECT MAX(submission_comments.created_at) FROM #{SubmissionComment.quoted_table_name}
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WHERE submission_comments.submission_id=submissions.id AND
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submission_comments.author_id <> submissions.user_id AND
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submission_comments.draft <> 't' AND
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submission_comments.provisional_grade_id IS NULL
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) WHERE id = NEW.submission_id;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;")
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execute("
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CREATE OR REPLACE FUNCTION #{connection.quote_table_name("submission_comment_after_delete_set_last_comment_at__tr_fn")} () RETURNS trigger AS $$
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BEGIN
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UPDATE #{Submission.quoted_table_name}
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SET last_comment_at = (
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SELECT MAX(submission_comments.created_at) FROM #{SubmissionComment.quoted_table_name}
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WHERE submission_comments.submission_id=submissions.id AND
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submission_comments.author_id <> submissions.user_id AND
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submission_comments.draft <> 't' AND
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submission_comments.provisional_grade_id IS NULL
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) WHERE id = OLD.submission_id;
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RETURN OLD;
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END;
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$$ LANGUAGE plpgsql;")
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set_search_path("submission_comment_after_save_set_last_comment_at__tr_fn", "()", "DEFAULT")
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set_search_path("submission_comment_after_delete_set_last_comment_at__tr_fn", "()", "DEFAULT")
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end
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end
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