Differences Between: [Versions 310 and 403] [Versions 311 and 403] [Versions 39 and 403]
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 /** 18 * This script is used to configure and execute the restore proccess. 19 * 20 * @package core 21 * @subpackage backup 22 * @copyright Moodle 23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 24 */ 25 26 define('NO_OUTPUT_BUFFERING', true); 27 28 require_once('../config.php'); 29 require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php'); 30 31 // Restore of large courses requires extra memory. Use the amount configured 32 // in admin settings. 33 raise_memory_limit(MEMORY_EXTRA); 34 35 $contextid = required_param('contextid', PARAM_INT); 36 $stage = optional_param('stage', restore_ui::STAGE_CONFIRM, PARAM_INT); 37 $cancel = optional_param('cancel', '', PARAM_ALPHA); 38 39 // Determine if we are performing realtime for asynchronous backups. 40 $backupmode = backup::MODE_GENERAL; 41 if (async_helper::is_async_enabled()) { 42 $backupmode = backup::MODE_ASYNC; 43 } 44 45 list($context, $course, $cm) = get_context_info_array($contextid); 46 47 navigation_node::override_active_url(new moodle_url('/backup/restorefile.php', array('contextid'=>$contextid))); 48 $PAGE->set_url(new moodle_url('/backup/restore.php', array('contextid'=>$contextid))); 49 $PAGE->set_context($context); 50 $PAGE->set_pagelayout('admin'); 51 $PAGE->set_secondary_active_tab('coursereuse'); 52 53 require_login($course, null, $cm); 54 require_capability('moodle/restore:restorecourse', $context); 55 56 $PAGE->secondarynav->set_overflow_selected_node('restore'); 57 58 if (is_null($course)) { 59 $coursefullname = $SITE->fullname; 60 $courseshortname = $SITE->shortname; 61 $courseurl = new moodle_url('/'); 62 } else { 63 $coursefullname = $course->fullname; 64 $courseshortname = $course->shortname; 65 $courseurl = course_get_url($course->id); 66 } 67 68 // Show page header. 69 $PAGE->set_title($courseshortname . ': ' . get_string('restore')); 70 $PAGE->set_heading($coursefullname); 71 72 $renderer = $PAGE->get_renderer('core','backup'); 73 if (empty($cancel)) { 74 // Do not print the header if user cancelled the process, as we are going to redirect the user. 75 echo $OUTPUT->header(); 76 } 77 78 // Prepare a progress bar which can display optionally during long-running 79 // operations while setting up the UI. 80 $slowprogress = new \core\progress\display_if_slow(get_string('preparingui', 'backup')); 81 82 // Overall, allow 10 units of progress. 83 $slowprogress->start_progress('', 10); 84 85 // This progress section counts for loading the restore controller. 86 $slowprogress->start_progress('', 1, 1); 87 88 if ($stage & restore_ui::STAGE_CONFIRM + restore_ui::STAGE_DESTINATION) { 89 $restore = restore_ui::engage_independent_stage($stage, $contextid); 90 } else { 91 $restoreid = optional_param('restore', false, PARAM_ALPHANUM); 92 $rc = restore_ui::load_controller($restoreid); 93 if (!$rc) { 94 $restore = restore_ui::engage_independent_stage($stage/2, $contextid); 95 if ($restore->process()) { 96 $rc = new restore_controller($restore->get_filepath(), $restore->get_course_id(), backup::INTERACTIVE_YES, 97 $backupmode, $USER->id, $restore->get_target(), null, backup::RELEASESESSION_YES); 98 } 99 } 100 if ($rc) { 101 // check if the format conversion must happen first 102 if ($rc->get_status() == backup::STATUS_REQUIRE_CONV) { 103 $rc->convert(); 104 } 105 106 $restore = new restore_ui($rc, array('contextid'=>$context->id)); 107 } 108 } 109 110 // End progress section for loading restore controller. 111 $slowprogress->end_progress(); 112 113 // This progress section is for the 'process' function below. 114 $slowprogress->start_progress('', 1, 9); 115 116 // Depending on the code branch above, $restore may be a restore_ui or it may 117 // be a restore_ui_independent_stage. Either way, this function exists. 118 $restore->set_progress_reporter($slowprogress); 119 $outcome = $restore->process(); 120 121 if (!$restore->is_independent() && $restore->enforce_changed_dependencies()) { 122 debugging('Your settings have been altered due to unmet dependencies', DEBUG_DEVELOPER); 123 } 124 125 $loghtml = ''; 126 // Finish the 'process' progress reporting section, and the overall count. 127 $slowprogress->end_progress(); 128 $slowprogress->end_progress(); 129 130 if (!$restore->is_independent()) { 131 // Use a temporary (disappearing) progress bar to show the precheck progress if any. 132 $precheckprogress = new \core\progress\display_if_slow(get_string('preparingdata', 'backup')); 133 $restore->get_controller()->set_progress($precheckprogress); 134 if ($restore->get_stage() == restore_ui::STAGE_PROCESS && !$restore->requires_substage() && $backupmode != backup::MODE_ASYNC) { 135 try { 136 // Div used to hide the 'progress' step once the page gets onto 'finished'. 137 echo html_writer::start_div('', array('id' => 'executionprogress')); 138 // Show the current restore state (header with bolded item). 139 echo $renderer->progress_bar($restore->get_progress_bar()); 140 // Start displaying the actual progress bar percentage. 141 $restore->get_controller()->set_progress(new \core\progress\display()); 142 // Prepare logger. 143 $logger = new core_backup_html_logger($CFG->debugdeveloper ? backup::LOG_DEBUG : backup::LOG_INFO); 144 $restore->get_controller()->add_logger($logger); 145 // Do actual restore. 146 $restore->execute(); 147 // Get HTML from logger. 148 if ($CFG->debugdisplay) { 149 $loghtml = $logger->get_html(); 150 } 151 // Hide this section because we are now going to make the page show 'finished'. 152 echo html_writer::end_div(); 153 echo html_writer::script('document.getElementById("executionprogress").style.display = "none";'); 154 } catch(Exception $e) { 155 $restore->cleanup(); 156 throw $e; 157 } 158 } else { 159 $restore->save_controller(); 160 } 161 } 162 163 echo $renderer->progress_bar($restore->get_progress_bar()); 164 165 if ($restore->get_stage() != restore_ui::STAGE_PROCESS) { 166 echo $restore->display($renderer); 167 } else if ($restore->get_stage() == restore_ui::STAGE_PROCESS && $restore->requires_substage()) { 168 echo $restore->display($renderer); 169 } else if ($restore->get_stage() == restore_ui::STAGE_PROCESS 170 && !$restore->requires_substage() 171 && $backupmode == backup::MODE_ASYNC) { 172 // Asynchronous restore. 173 // Create adhoc task for restore. 174 $restoreid = $restore->get_restoreid(); 175 $asynctask = new \core\task\asynchronous_restore_task(); 176 $asynctask->set_blocking(false); 177 $asynctask->set_userid($USER->id); 178 $asynctask->set_custom_data(array('backupid' => $restoreid)); 179 \core\task\manager::queue_adhoc_task($asynctask); 180 181 // Add ajax progress bar and initiate ajax via a template. 182 $restoreurl = new moodle_url('/backup/restorefile.php', array('contextid' => $contextid)); 183 $progresssetup = array( 184 'backupid' => $restoreid, 185 'contextid' => $contextid, 186 'courseurl' => $courseurl->out(), 187 'restoreurl' => $restoreurl->out() 188 ); 189 echo $renderer->render_from_template('core/async_backup_status', $progresssetup); 190 } 191 192 $restore->destroy(); 193 unset($restore); 194 195 // Display log data if there was any. 196 if ($loghtml != '') { 197 echo $renderer->log_display($loghtml); 198 } 199 200 echo $OUTPUT->footer();
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