repository/draftfiles_manager.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
  20 //
  21 // NOTE TO ALL DEVELOPERS: this script must deal only with draft area of current user, it has to use only file_storage and no file_browser!!
  22 //
  23
  24
  25 /**
  26  * This file is used to manage draft files in non-javascript browsers
  27  *
  28  * @since 2.0
  29  * @package    core
  30  * @subpackage repository
  31  * @copyright  2010 Dongsheng Cai <dongsheng@moodle.com>
  32  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  33  */
  34
  35 require_once('../config.php');
  36 require_once($CFG->libdir.'/filelib.php');
  37 require_once('lib.php');
  38
  39 require_sesskey();
  40 require_login();
  41
  42 // disable blocks in this page
  43 $PAGE->set_pagelayout('embedded');
  44
  45 // general parameters
  46 $action      = optional_param('action', '',        PARAM_ALPHA);
  47 $itemid      = optional_param('itemid', '',        PARAM_INT);
  48
  49 // parameters for repository
  50 $contextid   = optional_param('ctx_id',    SYSCONTEXTID, PARAM_INT);    // context ID
  51 $courseid    = optional_param('course',    SITEID, PARAM_INT);    // course ID
  52 $env         = optional_param('env', 'filepicker', PARAM_ALPHA);  // opened in file picker, file manager or html editor
  53 $filename    = optional_param('filename', '',      PARAM_FILE);
  54 $targetpath  = optional_param('targetpath', '',    PARAM_PATH);
  55 $maxfiles    = optional_param('maxfiles', -1, PARAM_INT);    // maxfiles
  56 $maxbytes    = optional_param('maxbytes',  0, PARAM_INT);    // maxbytes
  57 $subdirs     = optional_param('subdirs',  0, PARAM_INT);    // maxbytes
  58
  59 // draft area
  60 $newdirname  = optional_param('newdirname', '',    PARAM_FILE);
  61 $newfilename = optional_param('newfilename', '',   PARAM_FILE);
  62 // path in draft area
  63 $draftpath   = optional_param('draftpath', '/',    PARAM_PATH);
  64
  65 // user context
  66 $user_context = get_context_instance(CONTEXT_USER, $USER->id);
  67
  68
  69 $PAGE->set_context($user_context);
  70
  71 $fs = get_file_storage();
  72
  73 $params = array('ctx_id' => $contextid, 'itemid' => $itemid, 'env' => $env, 'course'=>$courseid, 'maxbytes'=>$maxbytes, 'maxfiles'=>$maxfiles, 'subdirs'=>$subdirs, 'sesskey'=>sesskey());
  74 $PAGE->set_url('/repository/draftfiles_manager.php', $params);
  75 $filepicker_url = new moodle_url($CFG->httpswwwroot."/repository/filepicker.php", $params);
  76
  77 $params['action'] = 'browse';
  78 $home_url = new moodle_url('/repository/draftfiles_manager.php', $params);
  79
  80 switch ($action) {
  81
  82     // delete draft files
  83 case 'deletedraft':
  84     if ($file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, $filename)) {
  85         if ($file->is_directory()) {
  86             $pathname = $draftpath;
  87             if ($file->get_parent_directory()) {
  88                 $draftpath = $file->get_parent_directory()->get_filepath();
  89             } else {
  90                 $draftpath = '/';
  91             }
  92
  93             // delete files in folder
  94             $files = $fs->get_directory_files($user_context->id, 'user', 'draft', $itemid, $pathname, true);
  95             foreach ($files as $storedfile) {
  96                 $storedfile->delete();
  97             }
  98             $file->delete();
  99         } else {
 100             $file->delete();
 101         }
 102         $home_url->param('draftpath', $draftpath);
 103         $home_url->param('action', 'browse');
 104         redirect($home_url);
 105     }
 106     break;
 107
 108 case 'renameform':
 109     echo $OUTPUT->header();
 110     echo '<div><a href="' . $home_url->out() . '">'.get_string('back', 'repository')."</a></div>";
 111     $home_url->param('draftpath', $draftpath);
 112     $home_url->param('action', 'rename');
 113     echo ' <form method="post" action="'.$home_url->out().'">';
 114     echo '  <input name="newfilename" type="text" value="'.s($filename).'" />';
 115     echo '  <input name="filename" type="hidden" value="'.s($filename).'" />';
 116     echo '  <input name="draftpath" type="hidden" value="'.s($draftpath).'" />';
 117     echo '  <input type="submit" value="'.s(get_string('rename', 'moodle')).'" />';
 118     echo ' </form>';
 119     echo $OUTPUT->footer();
 120     break;
 121
 122 case 'rename':
 123     repository::update_draftfile($itemid, $draftpath, $filename, array('filename' => $newfilename));
 124     $home_url->param('action', 'browse');
 125     $home_url->param('draftpath', $draftpath);
 126     redirect($home_url);
 127     break;
 128
 129 case 'downloaddir':
 130     $zipper = new zip_packer();
 131
 132     $file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, '.');
 133     if ($draftpath === '/') {
 134         $filename = get_string('files').'.zip';
 135     } else {
 136         $filename = explode('/', trim($draftpath, '/'));
 137         $filename = array_pop($filename) . '.zip';
 138     }
 139
 140     $newdraftitemid = file_get_unused_draft_itemid();
 141     if ($newfile = $zipper->archive_to_storage(array('/' => $file), $user_context->id, 'user', 'draft', $newdraftitemid, '/', $filename, $USER->id)) {
 142         $fileurl = moodle_url::make_draftfile_url($newdraftitemid, '/', $filename)->out();
 143         header('Location: ' . $fileurl);
 144     } else {
 145         print_error('cannotdownloaddir', 'repository');
 146     }
 147     break;
 148
 149 case 'zip':
 150     $zipper = new zip_packer();
 151
 152     $file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, '.');
 153     if (!$file->get_parent_directory()) {
 154         $parent_path = '/';
 155         $filepath = '/';
 156         $filename = get_string('files').'.zip';
 157     } else {
 158         $parent_path = $file->get_parent_directory()->get_filepath();
 159         $filepath = explode('/', trim($file->get_filepath(), '/'));
 160         $filepath = array_pop($filepath);
 161         $filename = $filepath.'.zip';
 162     }
 163
 164     $filename = repository::get_unused_filename($itemid, $parent_path, $filename);
 165     $newfile = $zipper->archive_to_storage(array($filepath => $file), $user_context->id, 'user', 'draft', $itemid, $parent_path, $filename, $USER->id);
 166
 167     $home_url->param('action', 'browse');
 168     $home_url->param('draftpath', $parent_path);
 169     redirect($home_url, get_string('ziped', 'repository'));
 170     break;
 171
 172 case 'unzip':
 173     $zipper = new zip_packer();
 174     $file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, $filename);
 175
 176     if ($newfile = $file->extract_to_storage($zipper, $user_context->id, 'user', 'draft', $itemid, $draftpath, $USER->id)) {
 177         $str = get_string('unzipped', 'repository');
 178     } else {
 179         $str = get_string('cannotunzip', 'error');
 180     }
 181     $home_url->param('action', 'browse');
 182     $home_url->param('draftpath', $draftpath);
 183     redirect($home_url, $str);
 184     break;
 185
 186 case 'movefile':
 187     if (!empty($targetpath)) {
 188         repository::update_draftfile($itemid, $draftpath, $filename, array('filepath' => $targetpath));
 189         $home_url->param('action', 'browse');
 190         $home_url->param('draftpath', $targetpath);
 191         redirect($home_url);
 192     }
 193     echo $OUTPUT->header();
 194
 195     echo $OUTPUT->container_start();
 196     echo html_writer::link($home_url, get_string('back', 'repository'));
 197     echo $OUTPUT->container_end();
 198
 199     $data = new stdClass();
 200     $home_url->param('action', 'movefile');
 201     $home_url->param('draftpath', $draftpath);
 202     $home_url->param('filename', $filename);
 203     file_get_drafarea_folders($itemid, '/', $data);
 204     print_draft_area_tree($data, true, $home_url);
 205     echo $OUTPUT->footer();
 206     break;
 207
 208 case 'mkdirform':
 209     echo $OUTPUT->header();
 210
 211     echo $OUTPUT->container_start();
 212     echo html_writer::link($home_url, get_string('back', 'repository'));
 213     echo $OUTPUT->container_end();
 214
 215     $home_url->param('draftpath', $draftpath);
 216     $home_url->param('action', 'mkdir');
 217     echo ' <form method="post" action="'.$home_url->out().'">';
 218     echo '  <input name="newdirname" type="text" />';
 219     echo '  <input name="draftpath" type="hidden" value="'.s($draftpath).'" />';
 220     echo '  <input type="submit" value="'.s(get_string('makeafolder', 'moodle')).'" />';
 221     echo ' </form>';
 222     echo $OUTPUT->footer();
 223     break;
 224
 225 case 'mkdir':
 226
 227     $newfolderpath = $draftpath . trim($newdirname, '/') . '/';
 228     $fs->create_directory($user_context->id, 'user', 'draft', $itemid, $newfolderpath);
 229     $home_url->param('action', 'browse');
 230     if (!empty($newdirname)) {
 231         $home_url->param('draftpath', $newfolderpath);
 232         $str = get_string('createfoldersuccess', 'repository');
 233     } else {
 234         $home_url->param('draftpath', $draftpath);
 235         $str = get_string('createfolderfail', 'repository');
 236     }
 237     redirect($home_url, $str);
 238     break;
 239
 240 case 'browse':
 241 default:
 242     $files = file_get_drafarea_files($itemid, $draftpath);
 243     $info = file_get_draft_area_info($itemid);
 244     $filecount = $info['filecount'];
 245
 246     echo $OUTPUT->header();
 247     if ((!empty($files) or $draftpath != '/') and $env == 'filemanager') {
 248         echo '<div class="fm-breadcrumb">';
 249         $home_url->param('action', 'browse');
 250         $home_url->param('draftpath', '/');
 251         echo '<a href="'.$home_url->out().'">' . get_string('files') . '</a> ▶';
 252         $trail = '';
 253         if ($draftpath !== '/') {
 254             $path = '/' . trim($draftpath, '/') . '/';
 255             $parts = explode('/', $path);
 256             foreach ($parts as $part) {
 257                 if ($part != '') {
 258                     $trail .= ('/'.$part.'/');
 259                     $data->path[] = array('name'=>$part, 'path'=>$trail);
 260                     $home_url->param('draftpath', $trail);
 261                     echo ' <a href="'.$home_url->out().'">'.$part.'</a> ▶ ';
 262                 }
 263             }
 264         }
 265         echo '</div>';
 266     }
 267
 268     $filepicker_url->param('draftpath', $draftpath);
 269     $filepicker_url->param('savepath', $draftpath);
 270     $filepicker_url->param('action', 'plugins');
 271     echo '<div class="filemanager-toolbar">';
 272     if ($env == 'filepicker') {
 273         $maxfiles = 1;
 274     }
 275     if ($filecount < $maxfiles || $maxfiles == -1) {
 276         echo ' <a href="'.$filepicker_url->out().'">'.get_string('addfile', 'repository').'</a>';
 277     }
 278     if ($env == 'filemanager') {
 279         if (!empty($subdirs)) {
 280             $home_url->param('action', 'mkdirform');
 281             echo ' <a href="'.$home_url->out().'">'.get_string('makeafolder', 'moodle').'</a>';
 282         }
 283         if (!empty($files->list)) {
 284             $home_url->param('action', 'downloaddir');
 285             echo ' ' . html_writer::link($home_url, get_string('downloadfolder', 'repository'), array('target'=>'_blank'));
 286         }
 287     }
 288     echo '</div>';
 289
 290     if (!empty($files->list)) {
 291         echo '<ul>';
 292         foreach ($files->list as $file) {
 293             if ($file->type != 'folder') {
 294                 $drafturl = $file->url;
 295                 // a file
 296                 echo '<li>';
 297                 echo $OUTPUT->pix_icon(file_file_icon($file), '', 'moodle', array('class' => 'iconsmall'));
 298                 echo html_writer::link($drafturl, $file->filename);
 299
 300                 $home_url->param('filename', $file->filename);
 301                 $home_url->param('draftpath', $file->filepath);
 302
 303                 $home_url->param('action', 'deletedraft');
 304                 echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('delete').'</a>]';
 305
 306                 $home_url->param('action', 'movefile');
 307                 echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('move').'</a>]';
 308
 309                 $home_url->param('action', 'renameform');
 310                 echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('rename').'</a>]';
 311
 312                 if (file_extension_in_typegroup($file->filename, 'archive', true)) {
 313                     $home_url->param('action', 'unzip');
 314                     $home_url->param('draftpath', $file->filepath);
 315                     echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('unzip').'</a>]';
 316                 }
 317
 318                 echo '</li>';
 319             } else {
 320                 // a folder
 321                 echo '<li>';
 322                 echo '<img src="'.$OUTPUT->pix_url(file_folder_icon()) . '" class="iconsmall" />';
 323
 324                 $home_url->param('action', 'browse');
 325                 $home_url->param('draftpath', $file->filepath);
 326                 $filepathchunks = explode('/', trim($file->filepath, '/'));
 327                 $foldername = trim(array_pop($filepathchunks), '/');
 328                 echo html_writer::link($home_url, $foldername);
 329
 330                 $home_url->param('draftpath', $file->filepath);
 331                 $home_url->param('filename',  $file->filename);
 332                 $home_url->param('action', 'deletedraft');
 333                 echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('delete').'</a>]';
 334
 335                 $home_url->param('action', 'zip');
 336                 echo ' [<a href="'.$home_url->out().'" class="fm-operation">Zip</a>]';
 337                 echo '</li>';
 338             }
 339         }
 340         echo '</ul>';
 341     } else {
 342         echo get_string('nofilesavailable', 'repository');
 343     }
 344     echo $OUTPUT->footer();
 345     break;
 346 }
 347
 348 function print_draft_area_tree($tree, $root, $url) {
 349     echo '<ul>';
 350     if ($root) {
 351         $url->param('targetpath', '/');
 352         if ($url->param('draftpath') == '/') {
 353             echo '<li>'.get_string('files').'</li>';
 354         } else {
 355             echo '<li><a href="'.$url->out().'">'.get_string('files').'</a></li>';
 356         }
 357         echo '<ul>';
 358         if (isset($tree->children)) {
 359             $tree = $tree->children;
 360         }
 361     }
 362
 363     if (!empty($tree)) {
 364         foreach ($tree as $node) {
 365             echo '<li>';
 366             $url->param('targetpath', $node->filepath);
 367             if ($url->param('draftpath') != $node->filepath) {
 368                 echo '<a href="'.$url->out().'">'.$node->fullname.'</a>';
 369             } else {
 370                 echo $node->fullname;
 371             }
 372             echo '</li>';
 373             if (!empty($node->children)) {
 374                 print_draft_area_tree($node->children, false, $url);
 375             }
 376         }
 377     }
 378     if ($root) {
 379         echo '</ul>';
 380     }
 381     echo '</ul>';
 382 }