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admin.php
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admin.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/>.
/**
* The administration and management interface for the cache setup and configuration.
*
* This file is part of Moodle's cache API, affectionately called MUC.
*
* @package core
* @category cache
* @copyright 2012 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../config.php');
require_once($CFG->dirroot.'/lib/adminlib.php');
require_once($CFG->dirroot.'/cache/locallib.php');
require_once($CFG->dirroot.'/cache/forms.php');
$action = optional_param('action', null, PARAM_ALPHA);
admin_externalpage_setup('cacheconfig');
$context = context_system::instance();
$stores = cache_administration_helper::get_store_instance_summaries();
$plugins = cache_administration_helper::get_store_plugin_summaries();
$definitions = cache_administration_helper::get_definition_summaries();
$defaultmodestores = cache_administration_helper::get_default_mode_stores();
$locks = cache_administration_helper::get_lock_summaries();
$title = new lang_string('cacheadmin', 'cache');
$mform = null;
$notification = null;
$notifysuccess = true;
if (!empty($action) && confirm_sesskey()) {
switch ($action) {
case 'rescandefinitions' : // Rescan definitions.
cache_config_writer::update_definitions();
redirect($PAGE->url);
break;
case 'addstore' : // Add the requested store.
$plugin = required_param('plugin', PARAM_PLUGIN);
if (!$plugins[$plugin]['canaddinstance']) {
print_error('ex_unmetstorerequirements', 'cache');
}
$mform = cache_administration_helper::get_add_store_form($plugin);
$title = get_string('addstore', 'cache', $plugins[$plugin]['name']);
if ($mform->is_cancelled()) {
redirect($PAGE->url);
} else if ($data = $mform->get_data()) {
$config = cache_administration_helper::get_store_configuration_from_data($data);
$writer = cache_config_writer::instance();
unset($config['lock']);
foreach ($writer->get_locks() as $lock => $lockconfig) {
if ($lock == $data->lock) {
$config['lock'] = $data->lock;
}
}
$writer->add_store_instance($data->name, $data->plugin, $config);
redirect($PAGE->url, get_string('addstoresuccess', 'cache', $plugins[$plugin]['name']), 5);
}
break;
case 'editstore' : // Edit the requested store.
$plugin = required_param('plugin', PARAM_PLUGIN);
$store = required_param('store', PARAM_TEXT);
$mform = cache_administration_helper::get_edit_store_form($plugin, $store);
$title = get_string('addstore', 'cache', $plugins[$plugin]['name']);
if ($mform->is_cancelled()) {
redirect($PAGE->url);
} else if ($data = $mform->get_data()) {
$config = cache_administration_helper::get_store_configuration_from_data($data);
$writer = cache_config_writer::instance();
unset($config['lock']);
foreach ($writer->get_locks() as $lock => $lockconfig) {
if ($lock == $data->lock) {
$config['lock'] = $data->lock;
}
}
$writer->edit_store_instance($data->name, $data->plugin, $config);
redirect($PAGE->url, get_string('editstoresuccess', 'cache', $plugins[$plugin]['name']), 5);
}
break;
case 'deletestore' : // Delete a given store.
$store = required_param('store', PARAM_TEXT);
$confirm = optional_param('confirm', false, PARAM_BOOL);
if (!array_key_exists($store, $stores)) {
$notifysuccess = false;
$notification = get_string('invalidstore');
} else if ($stores[$store]['mappings'] > 0) {
$notifysuccess = false;
$notification = get_string('deletestorehasmappings', 'cache');
}
if ($notifysuccess) {
if (!$confirm) {
$title = get_string('confirmstoredeletion', 'cache');
$params = array('store' => $store, 'confirm' => 1, 'action' => $action, 'sesskey' => sesskey());
$url = new moodle_url($PAGE->url, $params);
$button = new single_button($url, get_string('deletestore', 'cache'));
$PAGE->set_title($title);
$PAGE->set_heading($SITE->fullname);
echo $OUTPUT->header();
echo $OUTPUT->heading($title);
$confirmation = get_string('deletestoreconfirmation', 'cache', $stores[$store]['name']);
echo $OUTPUT->confirm($confirmation, $button, $PAGE->url);
echo $OUTPUT->footer();
exit;
} else {
$writer = cache_config_writer::instance();
$writer->delete_store_instance($store);
redirect($PAGE->url, get_string('deletestoresuccess', 'cache'), 5);
}
}
break;
case 'editdefinitionmapping' : // Edit definition mappings.
$definition = required_param('definition', PARAM_TEXT);
$title = get_string('editdefinitionmappings', 'cache', $definition);
$mform = new cache_definition_mappings_form($PAGE->url, array('definition' => $definition));
if ($mform->is_cancelled()) {
redirect($PAGE->url);
} else if ($data = $mform->get_data()) {
$writer = cache_config_writer::instance();
$mappings = array();
foreach ($data->mappings as $mapping) {
if (!empty($mapping)) {
$mappings[] = $mapping;
}
}
$writer->set_definition_mappings($definition, $mappings);
redirect($PAGE->url);
}
break;
case 'editmodemappings': // Edit default mode mappings.
$mform = new cache_mode_mappings_form(null, $stores);
$mform->set_data(array(
'mode_'.cache_store::MODE_APPLICATION => key($defaultmodestores[cache_store::MODE_APPLICATION]),
'mode_'.cache_store::MODE_SESSION => key($defaultmodestores[cache_store::MODE_SESSION]),
'mode_'.cache_store::MODE_REQUEST => key($defaultmodestores[cache_store::MODE_REQUEST]),
));
if ($mform->is_cancelled()) {
redirect($PAGE->url);
} else if ($data = $mform->get_data()) {
$mappings = array(
cache_store::MODE_APPLICATION => array($data->{'mode_'.cache_store::MODE_APPLICATION}),
cache_store::MODE_SESSION => array($data->{'mode_'.cache_store::MODE_SESSION}),
cache_store::MODE_REQUEST => array($data->{'mode_'.cache_store::MODE_REQUEST}),
);
$writer = cache_config_writer::instance();
$writer->set_mode_mappings($mappings);
redirect($PAGE->url);
}
break;
case 'purge': // Purge a store cache.
$store = required_param('store', PARAM_TEXT);
cache_helper::purge_store($store);
redirect($PAGE->url, get_string('purgestoresuccess', 'cache'), 5);
break;
}
}
$PAGE->set_title($title);
$PAGE->set_heading($SITE->fullname);
$renderer = $PAGE->get_renderer('core_cache');
echo $renderer->header();
echo $renderer->heading($title);
if (!is_null($notification)) {
echo $renderer->notification($notification, ($notifysuccess)?'notifysuccess' : 'notifyproblem');
}
if ($mform instanceof moodleform) {
$mform->display();
} else {
echo $renderer->store_plugin_summaries($plugins);
echo $renderer->store_instance_summariers($stores, $plugins);
echo $renderer->definition_summaries($definitions, cache_administration_helper::get_definition_actions($context));
echo $renderer->lock_summaries($locks);
$applicationstore = join(', ', $defaultmodestores[cache_store::MODE_APPLICATION]);
$sessionstore = join(', ', $defaultmodestores[cache_store::MODE_SESSION]);
$requeststore = join(', ', $defaultmodestores[cache_store::MODE_REQUEST]);
$editurl = new moodle_url('/cache/admin.php', array('action' => 'editmodemappings', 'sesskey' => sesskey()));
echo $renderer->mode_mappings($applicationstore, $sessionstore, $requeststore, $editurl);
}
echo $renderer->footer();