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106 lines
4.0 KiB
PHP
106 lines
4.0 KiB
PHP
<?php
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// This file keeps track of upgrades to
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// the chat 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 installation 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 methods of database_manager class
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//
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// Please do not forget to use upgrade_set_timeout()
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// before any action that may take longer time to finish.
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function xmldb_chat_upgrade($oldversion) {
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global $CFG, $DB;
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$dbman = $DB->get_manager();
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//===== 1.9.0 upgrade line ======//
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if ($oldversion < 2010050100) {
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/// Changing precision of field ip on table chat_users to (45)
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$table = new xmldb_table('chat_users');
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$field = new xmldb_field('ip', XMLDB_TYPE_CHAR, '45', null, XMLDB_NOTNULL, null, null, 'version');
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/// Launch change of precision for field ip
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$dbman->change_field_precision($table, $field);
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/// chat savepoint reached
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upgrade_mod_savepoint(true, 2010050100, 'chat');
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}
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if ($oldversion < 2010050101) {
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/// Define field introformat to be added to chat
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$table = new xmldb_table('chat');
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$field = new xmldb_field('introformat', XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'intro');
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/// Launch add field introformat
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if (!$dbman->field_exists($table, $field)) {
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$dbman->add_field($table, $field);
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}
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// conditionally migrate to html format in intro
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if ($CFG->texteditors !== 'textarea') {
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$rs = $DB->get_recordset('chat', array('introformat'=>FORMAT_MOODLE), '', 'id,intro,introformat');
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foreach ($rs as $ch) {
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$ch->intro = text_to_html($ch->intro, false, false, true);
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$ch->introformat = FORMAT_HTML;
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$DB->update_record('chat', $ch);
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upgrade_set_timeout();
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}
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$rs->close();
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}
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/// chat savepoint reached
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upgrade_mod_savepoint(true, 2010050101, 'chat');
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}
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/// Creating chat_messages_current to hold latest chat messages
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if ($oldversion < 2010050102) {
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/// Define table chat_messages_current to be created
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$table = new xmldb_table('chat_messages_current');
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/// Adding fields to table chat_messages_current
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$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
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$table->add_field('chatid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0');
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$table->add_field('userid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0');
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$table->add_field('groupid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0');
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$table->add_field('system', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
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$table->add_field('message', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null);
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$table->add_field('timestamp', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
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/// Adding keys to table chat_messages_current
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$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
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$table->add_key('chatid', XMLDB_KEY_FOREIGN, array('chatid'), 'chat', array('id'));
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/// Adding indexes to table chat_messages_current
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$table->add_index('userid', XMLDB_INDEX_NOTUNIQUE, array('userid'));
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$table->add_index('groupid', XMLDB_INDEX_NOTUNIQUE, array('groupid'));
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$table->add_index('timestamp-chatid', XMLDB_INDEX_NOTUNIQUE, array('timestamp', 'chatid'));
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/// create table for chat_messages_current
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if (!$dbman->table_exists($table)) {
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$dbman->create_table($table);
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}
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/// chat savepoint reached
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upgrade_mod_savepoint(true, 2010050102, 'chat');
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}
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return true;
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}
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