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85 lines
3 KiB
PHP
85 lines
3 KiB
PHP
<?php //$Id$
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// This file keeps track of upgrades to
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// the scorm module
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//
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// Sometimes, changes between versions involve
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// alterations to database structures and other
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// major things that may break installations.
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//
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// The upgrade function in this file will attempt
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// to perform all the necessary actions to upgrade
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// your older installtion to the current version.
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//
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// If there's something it cannot do itself, it
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// will tell you what you need to do.
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//
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// The commands in here will all be database-neutral,
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// using the functions defined in lib/ddllib.php
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function xmldb_scorm_upgrade($oldversion=0) {
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global $CFG, $THEME, $db;
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$result = true;
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if ($result && $oldversion < 2006103100) {
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/// Create the new sco optionals data table
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/// Define table scorm_scoes_data to be created
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$table = new XMLDBTable('scorm_scoes_data');
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/// Adding fields to table scorm_scoes_data
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$table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
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$table->addFieldInfo('scoid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
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$table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
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$table->addFieldInfo('value', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
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/// Adding keys to table scorm_scoes_data
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$table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
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/// Adding indexes to table scorm_scoes_data
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$table->addIndexInfo('scoid', XMLDB_INDEX_NOTUNIQUE, array('scoid'));
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/// Launch create table for scorm_scoes_data
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$result = $result && create_table($table);
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/// The old fields used in scorm_scoes
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$fields = array('parameters' => '',
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'prerequisites' => '',
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'maxtimeallowed' => '',
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'timelimitaction' => '',
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'datafromlms' => '',
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'masteryscore' => '',
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'next' => '0',
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'previous' => '0');
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/// Retrieve old datas
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if ($olddatas = get_records('scorm_scoes')) {
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foreach ($olddatas as $olddata) {
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$newdata = new stdClass();
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$newdata->scoid = $olddata->id;
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foreach ($fields as $field => $value) {
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if ($olddata->$field != $value) {
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$newdata->name = addslashes($field);
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$newdata->value = addslashes($olddata->$field);
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$id = insert_record('scorm_scoes_data', $newdata);
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$result = $result && ($id != 0);
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}
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}
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}
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}
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/// Remove no more used fields
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$table = new XMLDBTable('scorm_scoes');
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foreach ($fields as $field => $value) {
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$field = new XMLDBField($field);
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$result = $result && drop_field($table, $field);
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}
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}
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return $result;
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}
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?>
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