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feat #5: Enable backup retrieval after course deletion by storing met…
…adata
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Vithusha Kethiri
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Oct 21, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| <?xml version="1.0" encoding="UTF-8" ?> | ||
| <XMLDB PATH="admin/tool/lcbackupcoursestep/db" VERSION="2024101000" COMMENT="XMLDB file for Moodle tool/lcbackupcoursestep" | ||
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
| xsi:noNamespaceSchemaLocation="../../../../lib/xmldb/xmldb.xsd" | ||
| > | ||
| <TABLES> | ||
| <TABLE NAME="tool_lcbackupcoursestep_metadata" COMMENT="Metadata for course backups."> | ||
| <FIELDS> | ||
| <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/> | ||
| <FIELD NAME="shortname" TYPE="char" LENGTH="255" NOTNULL="true"/> | ||
| <FIELD NAME="fullname" TYPE="char" LENGTH="255" NOTNULL="true"/> | ||
| <FIELD NAME="oldcourseid" TYPE="int" LENGTH="10" NOTNULL="true"/> | ||
| <FIELD NAME="fileid" TYPE="int" LENGTH="10" NOTNULL="true"/> | ||
| <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" COMMENT="Timestamp when the backup was created"/> | ||
| </FIELDS> | ||
| <KEYS> | ||
| <KEY NAME="primary" TYPE="primary" FIELDS="id"/> | ||
| <KEY NAME="fileid_fk" TYPE="foreign" FIELDS="fileid" REFTABLE="files" REFFIELDS="id"/> | ||
| </KEYS> | ||
| </TABLE> | ||
| </TABLES> | ||
| </XMLDB> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| <?php | ||
| // This file is part of Moodle - http://moodle.org/ | ||
| // | ||
| // Moodle is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Moodle is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with Moodle. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| /** | ||
| * Upgrade script for tool_lcbackupcoursestep. | ||
| * | ||
| * This function handles any necessary upgrades to the tool_lcbackupcoursestep plugin. | ||
| * | ||
| * @param int $oldversion The version of the plugin we are upgrading from. | ||
| * @return bool True if the upgrade was successful. | ||
| */ | ||
|
|
||
| function xmldb_tool_lcbackupcoursestep_upgrade($oldversion) { | ||
| global $DB; | ||
|
|
||
| if ($oldversion < 2024101000) { | ||
|
|
||
| $table = new xmldb_table('tool_lcbackupcoursestep_metadata'); | ||
|
|
||
| $table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null); | ||
| $table->add_field('shortname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null); | ||
| $table->add_field('fullname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null); | ||
| $table->add_field('oldcourseid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null); | ||
| $table->add_field('fileid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null); | ||
| $table->add_field('timecreated', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null); | ||
|
|
||
| $table->add_key('primary', XMLDB_KEY_PRIMARY, ['id']); | ||
| $table->add_key('fileid_fk', XMLDB_KEY_FOREIGN, ['fileid'], 'files', ['id']); | ||
|
|
||
| if (!$DB->get_manager()->table_exists($table)) { | ||
| $DB->get_manager()->create_table($table); | ||
| } | ||
|
|
||
| $sql1 = " | ||
| INSERT INTO {tool_lcbackupcoursestep_metadata} (shortname, fullname, oldcourseid, fileid, timecreated) | ||
| SELECT crs.shortname, | ||
| crs.fullname, | ||
| crs.id AS oldcourseid, | ||
| f.id AS fileid, | ||
| f.timecreated | ||
| FROM {files} f | ||
| JOIN {context} ctx ON ctx.id = f.contextid | ||
| JOIN {course} crs ON ctx.instanceid = crs.id | ||
| WHERE ctx.contextlevel = :contextlevel | ||
| AND f.component = :component | ||
| AND f.filearea = :filearea | ||
| AND f.filesize > 0 | ||
| "; | ||
| $DB->execute($sql1, [ | ||
| 'contextlevel' => CONTEXT_COURSE, | ||
| 'component' => 'tool_lcbackupcoursestep', | ||
| 'filearea' => 'course_backup' | ||
| ]); | ||
|
|
||
| $sql2 = " | ||
| UPDATE {files} | ||
| SET contextid = :contextid | ||
| WHERE id IN ( | ||
| SELECT f.id | ||
| FROM {files} f | ||
| JOIN {context} ctx ON ctx.id = f.contextid | ||
| WHERE ctx.contextlevel = :contextlevel | ||
| AND f.component = :component | ||
| AND f.filearea = :filearea | ||
| ) | ||
| "; | ||
| $DB->execute($sql2, [ | ||
| 'contextid' => \context_system::instance()->id, | ||
| 'contextlevel' => CONTEXT_COURSE, | ||
| 'component' => 'tool_lcbackupcoursestep', | ||
| 'filearea' => 'course_backup' | ||
| ]); | ||
|
|
||
| upgrade_plugin_savepoint(true, 2024101000, 'tool', 'lcbackupcoursestep'); | ||
| } | ||
|
|
||
| return true; | ||
| } | ||
|
|
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