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migrate.php
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<?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/>.
/**
* @package block_quickmail
* @copyright 2008 onwards Louisiana State University
* @copyright 2008 onwards Chad Mazilly, Robert Russo, Jason Peak, Dave Elliott, Adam Zapletal, Philip Cali
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define('NO_OUTPUT_BUFFERING', true);
require_once('../../config.php');
require_once($CFG->dirroot . '/blocks/quickmail/lib.php');
// Authentication.
require_login();
// Must be a site admin to do this!!
if (!is_siteadmin()) {
throw new moodle_exception('cannotuseadmin', 'error');
}
$systemcontext = context_system::instance();
$PAGE->set_context($systemcontext);
$PAGE->set_url(new moodle_url('/blocks/quickmail/migrate.php'));
// Construct the page.
$PAGE->set_pagetype('block-quickmail');
$PAGE->set_pagelayout('standard');
$PAGE->set_title(block_quickmail_string::get('pluginname') . ': ' . block_quickmail_string::get('migrate'));
$PAGE->navbar->add(block_quickmail_string::get('pluginname'));
$PAGE->navbar->add(block_quickmail_string::get('migrate'));
$PAGE->set_heading(block_quickmail_string::get('pluginname') . ': ' . block_quickmail_string::get('migrate'));
echo $OUTPUT->header();
$taskurl = new moodle_url('/admin/tool/task/scheduledtasks.php', [
'action' => 'edit',
'task' => 'block_quickmail\\tasks\\migrate_legacy_data_task'
]);
$settingsurl = new moodle_url('/admin/settings.php', [
'section' => 'blocksettingquickmail',
]);
// If old tables do not exist, either the process has completed -OR- the user has dropped the old tables.
if (!block_quickmail\migrator\migrator::old_tables_exist()) {
echo '<h4>Migration Progress: Complete</h4>
<p>It looks like the migration process is complete,
or Quickmail\'s old tables no longer exist, so nothing else needs to be done.</p>';
// Otherwise, there may still work to be done.
} else {
// Pull the current numbers.
$totaldraftcount = block_quickmail\migrator\migrator::total_count('drafts');
$migrateddraftcount = block_quickmail\migrator\migrator::migrated_count('drafts');
$totallogcount = block_quickmail\migrator\migrator::total_count('log');
$migratedlogcount = block_quickmail\migrator\migrator::migrated_count('log');
$taskenabled = block_quickmail\migrator\migrator::is_enabled();
$status = 'not-begun';
if ($totaldraftcount + $totallogcount == 0) {
$status = 'nothing-to-migrate';
} else if (($totaldraftcount + $totallogcount - $migrateddraftcount - $migratedlogcount) == 0) {
$status = 'process-complete';
} else if ($migrateddraftcount || $migratedlogcount) {
$status = 'needs-more-work';
}
if ($status == 'nothing-to-migrate') {
if ($taskenabled) {
echo '<h4>Migration Progress: No Data To Migrate</h4>
<p>This tool allows you to <strong>migrate historical data
from Quickmail v1 to v2</strong>, but it looks like you have no
historical data to migrate. However, please note that <strong>
the scheduled migration task is still running</strong>.
This will not harm anything, but you can safely disable it
forever by going to
<a href="' . $taskurl . '">block_quickmail\tasks\migrate_legacy_data_task</a>
in the admin panel and marking it as disabled.</p> ';
} else {
echo '<h4>Migration Progress: No Data To Migrate</h4>
<p>This tool allows you to <strong>migrate historical data
from Quickmail v1 to v2</strong>, but it looks like
you have no historical data to migrate.</p>';
}
} else if ($status == 'process-complete') {
if ($taskenabled) {
echo '<h4>Migration Progress: Complete</h4>
<p>It looks like all of your old Quickmail data has been migrated
over to the new version, congratulations! However, please note that
<strong> the scheduled migration task is still running</strong>.
This will not harm anything, but you can safely disable it forever.
If you want to disable the task, you can go to
<a href="' . $taskurl . '">block_quickmail\tasks\migrate_legacy_data_task</a>
in the admin panel and mark it as disabled.</p>';
} else {
echo '<h4>Migration Progress: Complete</h4>
<p>It looks like all of your old Quickmail data has been migrated over
to the new version and there is nothing left to do, congratulations!</p>';
}
} else if ($status == 'needs-more-work' && ! $taskenabled) {
echo '<h4>Migration Progress: Disabled But Incomplete</h4>
<p>This tool allows you to <strong>migrate historical data from
Quickmail v1 to v2</strong>. It looks like the process was started,
but <strong>is now currently disabled</strong>. If you want
to continue the migration process, please enable the
<a href="' . $taskurl . '">block_quickmail\tasks\migrate_legacy_data_task</a>
in the admin panel, then come back to this page to see the progress.</p>';
} else if (!$taskenabled) {
echo '<h4>Migration Progress: Not Enabled</h4>
<p>Things have changed in Quickmail. This tool allows you to
<strong>migrate historical data from Quickmail v1 to v2</strong>.
If you want to do this, please enable the
<a href="' . $taskurl . '">block_quickmail\tasks\migrate_legacy_data_task</a>
in the admin panel, then come back to this page to see the progress.</p>';
} else {
echo '<h4>Migration Progress: Working</h4>
<p>This process is currently running. If you want to stop
this process, please disable the
<a href="' . $taskurl . '">block_quickmail\tasks\migrate_legacy_data_task</a>
in the admin panel. If you want to speed things up, you
can try to increase the "Migration Chunk Size" in the
<a href="' . $settingsurl . '">Quickmail settings</a>.
<i>Note: If you disable the task right now, any data that has been
migrated up to this point will be retained.</i></p>';
// Draft migration status.
$bar = new progress_bar('drafts_bar', 500, true);
$bar->update($migrateddraftcount,
$totaldraftcount,
'Drafts (' . number_format($migrateddraftcount) . ' / ' . number_format($totaldraftcount) . ')');
// Log migration status.
$bar = new progress_bar('log_bar', 500, true);
$bar->update($migratedlogcount,
$totallogcount,
'Logs (' . number_format($migratedlogcount) . ' / ' . number_format($totallogcount) . ')');
}
if (in_array($status, ['process-complete', 'nothing-to-migrate'])) {
echo '<br><br><h4>Delete Old Tables?</h4>';
if ($status == 'process-complete') {
echo '<p>Since this process is complete, you can now safely drop the old tables:</p>';
} else {
echo '<p>Since there is nothing to migrate, you can now safely drop the old tables:</p>';
}
echo '
<pre>block_quickmail_log</pre>
<pre>block_quickmail_drafts</pre>
';
if ($taskenabled) {
echo '<p>If you do wish to drop these tables,
please disable this migration task first by going to
<a href="' . $taskurl . '">block_quickmail\tasks\migrate_legacy_data_task</a>
in the admin panel and marking it as disabled.';
} else {
echo '<p>Click the button below to automatically remove them now,
or come back to this page at any time to do so.</p>';
// Display a form to allow for deletion of old tables.
$mform = new block_quickmail\forms\migration_post_actions_form();
if ($mform->is_cancelled()) {
// Should not happen, but don't do anything just in case.
redirect($PAGE->url);
} else if ($submission = $mform->get_data()) {
if (property_exists($submission, 'submitbutton')) {
try {
block_quickmail\migrator\migrator::drop_old_tables();
redirect($PAGE->url, 'Old tables have been successfully removed!', 'success');
} catch (\Exception $e) {
redirect($PAGE->url, $e->getMessage(), 'error');
}
}
} else {
$mform->display();
}
}
}
}
echo $OUTPUT->footer();