backup/restorefile.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * Import backup file or select existing backup file from moodle
  20  * @package   moodlecore
  21  * @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once('../config.php');
  26 require_once(dirname(__FILE__) . '/restorefile_form.php');
  27 require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php');
  28
  29 // current context
  30 $contextid = required_param('contextid', PARAM_INT);
  31 $filecontextid = optional_param('filecontextid', 0, PARAM_INT);
  32 // action
  33 $action = optional_param('action', '', PARAM_ALPHA);
  34 // file parameters
  35 // non js interface may require these parameters
  36 $component  = optional_param('component', null, PARAM_COMPONENT);
  37 $filearea   = optional_param('filearea', null, PARAM_AREA);
  38 $itemid     = optional_param('itemid', null, PARAM_INT);
  39 $filepath   = optional_param('filepath', null, PARAM_PATH);
  40 $filename   = optional_param('filename', null, PARAM_FILE);
  41
  42 list($context, $course, $cm) = get_context_info_array($contextid);
  43
  44 // will be used when restore
  45 if (!empty($filecontextid)) {
  46     $filecontext = context::instance_by_id($filecontextid);
  47 }
  48
  49 $url = new moodle_url('/backup/restorefile.php', array('contextid'=>$contextid));
  50
  51 switch ($context->contextlevel) {
  52     case CONTEXT_MODULE:
  53         $heading = get_string('restoreactivity', 'backup');
  54         break;
  55     case CONTEXT_COURSE:
  56     default:
  57         $heading = get_string('restorecourse', 'backup');
  58 }
  59
  60
  61 require_login($course, false, $cm);
  62 require_capability('moodle/restore:restorecourse', $context);
  63
  64 $browser = get_file_browser();
  65
  66 // check if tmp dir exists
  67 $tmpdir = $CFG->tempdir . '/backup';
  68 if (!check_dir_exists($tmpdir, true, true)) {
  69     throw new restore_controller_exception('cannot_create_backup_temp_dir');
  70 }
  71
  72 // choose the backup file from backup files tree
  73 if ($action == 'choosebackupfile') {
  74     if ($fileinfo = $browser->get_file_info($filecontext, $component, $filearea, $itemid, $filepath, $filename)) {
  75         $filename = restore_controller::get_tempdir_name($course->id, $USER->id);
  76         $pathname = $tmpdir . '/' . $filename;
  77         $fileinfo->copy_to_pathname($pathname);
  78         $restore_url = new moodle_url('/backup/restore.php', array('contextid'=>$contextid, 'filename'=>$filename));
  79         redirect($restore_url);
  80     } else {
  81         redirect($url, get_string('filenotfound', 'error'));
  82     }
  83     die;
  84 }
  85
  86 $PAGE->set_url($url);
  87 $PAGE->set_context($context);
  88 $PAGE->set_title(get_string('course') . ': ' . $course->fullname);
  89 $PAGE->set_heading($heading);
  90 $PAGE->set_pagelayout('admin');
  91
  92 $form = new course_restore_form(null, array('contextid'=>$contextid));
  93 $data = $form->get_data();
  94 if ($data && has_capability('moodle/restore:uploadfile', $context)) {
  95     $filename = restore_controller::get_tempdir_name($course->id, $USER->id);
  96     $pathname = $tmpdir . '/' . $filename;
  97     $form->save_file('backupfile', $pathname);
  98     $restore_url = new moodle_url('/backup/restore.php', array('contextid'=>$contextid, 'filename'=>$filename));
  99     redirect($restore_url);
 100     die;
 101 }
 102
 103
 104
 105 echo $OUTPUT->header();
 106
 107 // require uploadfile cap to use file picker
 108 if (has_capability('moodle/restore:uploadfile', $context)) {
 109     echo $OUTPUT->heading(get_string('importfile', 'backup'));
 110     echo $OUTPUT->container_start();
 111     $form->display();
 112     echo $OUTPUT->container_end();
 113 }
 114
 115 if ($context->contextlevel == CONTEXT_MODULE) {
 116     echo $OUTPUT->heading_with_help(get_string('choosefilefromactivitybackup', 'backup'), 'choosefilefromuserbackup', 'backup');
 117     echo $OUTPUT->container_start();
 118     $treeview_options = array();
 119     $user_context = context_user::instance($USER->id);
 120     $treeview_options['filecontext'] = $context;
 121     $treeview_options['currentcontext'] = $context;
 122     $treeview_options['component']   = 'backup';
 123     $treeview_options['context']     = $context;
 124     $treeview_options['filearea']    = 'activity';
 125     $renderer = $PAGE->get_renderer('core', 'backup');
 126     echo $renderer->backup_files_viewer($treeview_options);
 127     echo $OUTPUT->container_end();
 128 }
 129
 130 echo $OUTPUT->heading_with_help(get_string('choosefilefromcoursebackup', 'backup'), 'choosefilefromcoursebackup', 'backup');
 131 echo $OUTPUT->container_start();
 132 $treeview_options = array();
 133 $treeview_options['filecontext'] = $context;
 134 $treeview_options['currentcontext'] = $context;
 135 $treeview_options['component']   = 'backup';
 136 $treeview_options['context']     = $context;
 137 $treeview_options['filearea']    = 'course';
 138 $renderer = $PAGE->get_renderer('core', 'backup');
 139 echo $renderer->backup_files_viewer($treeview_options);
 140 echo $OUTPUT->container_end();
 141
 142 echo $OUTPUT->heading_with_help(get_string('choosefilefromuserbackup', 'backup'), 'choosefilefromuserbackup', 'backup');
 143 echo $OUTPUT->container_start();
 144 $treeview_options = array();
 145 $user_context = context_user::instance($USER->id);
 146 $treeview_options['filecontext'] = $user_context;
 147 $treeview_options['currentcontext'] = $context;
 148 $treeview_options['component']   = 'user';
 149 $treeview_options['context']     = 'backup';
 150 $treeview_options['filearea']    = 'backup';
 151 $renderer = $PAGE->get_renderer('core', 'backup');
 152 echo $renderer->backup_files_viewer($treeview_options);
 153 echo $OUTPUT->container_end();
 154
 155 $automatedbackups = get_config('backup', 'backup_auto_active');
 156 if (!empty($automatedbackups)) {
 157     echo $OUTPUT->heading_with_help(get_string('choosefilefromautomatedbackup', 'backup'), 'choosefilefromautomatedbackup', 'backup');
 158     echo $OUTPUT->container_start();
 159     $treeview_options = array();
 160     $user_context = context_user::instance($USER->id);
 161     $treeview_options['filecontext'] = $context;
 162     $treeview_options['currentcontext'] = $context;
 163     $treeview_options['component']   = 'backup';
 164     $treeview_options['context']     = $context;
 165     $treeview_options['filearea']    = 'automated';
 166     $renderer = $PAGE->get_renderer('core', 'backup');
 167     echo $renderer->backup_files_viewer($treeview_options);
 168     echo $OUTPUT->container_end();
 169 }
 170
 171 echo $OUTPUT->footer();