admin/repository.php

   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 require_once(__DIR__ . '/../config.php');
  18 require_once($CFG->dirroot . '/repository/lib.php');
  19 require_once($CFG->libdir . '/adminlib.php');
  20
  21 $repository       = optional_param('repos', '', PARAM_ALPHANUMEXT);
  22 $action           = optional_param('action', '', PARAM_ALPHANUMEXT);
  23 $sure             = optional_param('sure', '', PARAM_ALPHA);
  24 $downloadcontents = optional_param('downloadcontents', false, PARAM_BOOL);
  25
  26 $display = true; // fall through to normal display
  27
  28 $pagename = 'managerepositories';
  29
  30 if ($action == 'edit') {
  31     $pagename = 'repositorysettings' . $repository;
  32 } else if ($action == 'delete') {
  33     $pagename = 'repositorydelete';
  34 } else if (($action == 'newon') || ($action == 'newoff')) {
  35     $pagename = 'repositorynew';
  36 }
  37
  38 // Need to remember this for form
  39 $formaction = $action;
  40
  41 // Check what visibility to show the new repository
  42 if ($action == 'newon') {
  43     $action = 'new';
  44     $visible = true;
  45 } else if ($action == 'newoff') {
  46     $action = 'new';
  47     $visible = false;
  48 }
  49
  50 admin_externalpage_setup($pagename);
  51
  52 $sesskeyurl = $CFG->wwwroot.'/'.$CFG->admin.'/repository.php?sesskey=' . sesskey();
  53 $baseurl    = $CFG->wwwroot.'/'.$CFG->admin.'/repository.php';
  54
  55 $configstr  = get_string('manage', 'repository');
  56
  57 $return = true;
  58
  59 if (!empty($action)) {
  60     require_sesskey();
  61 }
  62
  63 /**
  64  * Helper function that generates a moodle_url object
  65  * relevant to the repository
  66  */
  67 function repository_action_url($repository) {
  68     global $baseurl;
  69     return new moodle_url($baseurl, array('sesskey'=>sesskey(), 'repos'=>$repository));
  70 }
  71
  72 if (($action == 'edit') || ($action == 'new')) {
  73     $pluginname = '';
  74     if ($action == 'edit') {
  75         $repositorytype = repository::get_type_by_typename($repository);
  76         $classname = 'repository_' . $repositorytype->get_typename();
  77         $configs = call_user_func(array($classname, 'get_type_option_names'));
  78         $plugin = $repositorytype->get_typename();
  79         // looking for instance to edit plugin name
  80         $instanceoptions = call_user_func(array($classname, 'get_instance_option_names'));
  81         if (empty($instanceoptions)) {
  82             $params = array();
  83             $params['type'] = $plugin;
  84             $instances = repository::get_instances($params);
  85             if ($instance = array_pop($instances)) {
  86                 // use the one form db record
  87                 $pluginname = $instance->instance->name;
  88             }
  89         }
  90
  91     } else {
  92         $repositorytype = null;
  93         $plugin = $repository;
  94         $typeid = $repository;
  95     }
  96     $PAGE->set_pagetype('admin-repository-' . $plugin);
  97     // display the edit form for this instance
  98     $mform = new repository_type_form('', array('pluginname'=>$pluginname, 'plugin' => $plugin, 'instance' => $repositorytype, 'action' => $formaction));
  99     $fromform = $mform->get_data();
 100
 101     //detect if we create a new type without config (in this case if don't want to display a setting page during creation)
 102     $nosettings = false;
 103     if ($action == 'new') {
 104         $adminconfignames = repository::static_function($repository, 'get_type_option_names');
 105         $nosettings = empty($adminconfignames);
 106     }
 107     // end setup, begin output
 108
 109     if ($mform->is_cancelled()){
 110         redirect($baseurl);
 111     } else if (!empty($fromform) || $nosettings) {
 112         require_sesskey();
 113         if ($action == 'edit') {
 114             $settings = array();
 115             foreach($configs as $config) {
 116                 if (!empty($fromform->$config)) {
 117                     $settings[$config] = $fromform->$config;
 118                 } else {
 119                     // if the config name is not appear in $fromform
 120                     // empty this config value
 121                     $settings[$config] = '';
 122                 }
 123             }
 124             $instanceoptionnames = repository::static_function($repository, 'get_instance_option_names');
 125             if (!empty($instanceoptionnames)) {
 126                 if (property_exists($fromform, 'enablecourseinstances')) {
 127                     $settings['enablecourseinstances'] = $fromform->enablecourseinstances;
 128                 }
 129                 else {
 130                     $settings['enablecourseinstances'] = 0;
 131                 }
 132                 if (property_exists($fromform, 'enableuserinstances')) {
 133                     $settings['enableuserinstances'] = $fromform->enableuserinstances;
 134                 }
 135                 else {
 136                     $settings['enableuserinstances'] = 0;
 137                 }
 138             }
 139             $success = $repositorytype->update_options($settings);
 140         } else {
 141             $type = new repository_type($plugin, (array)$fromform, $visible);
 142             $success = true;
 143             if (!$repoid = $type->create()) {
 144                 $success = false;
 145             } else {
 146                 add_to_config_log('repository_visibility', '', (int)$visible, $plugin);
 147             }
 148             $data = data_submitted();
 149         }
 150         if ($success) {
 151             // configs saved
 152             core_plugin_manager::reset_caches();
 153             redirect($baseurl);
 154         } else {
 155             throw new \moodle_exception('instancenotsaved', 'repository', $baseurl);
 156         }
 157         exit;
 158     } else {
 159         echo $OUTPUT->header();
 160         echo $OUTPUT->heading(get_string('configplugin', 'repository_'.$plugin));
 161         $displaysettingform = true;
 162         if ($action == 'edit') {
 163             $typeoptionnames = repository::static_function($repository, 'get_type_option_names');
 164             $instanceoptionnames = repository::static_function($repository, 'get_instance_option_names');
 165             if (empty($typeoptionnames) && empty($instanceoptionnames)) {
 166                 $displaysettingform = false;
 167             }
 168         }
 169         if ($displaysettingform){
 170             $OUTPUT->box_start();
 171             $mform->display();
 172             $OUTPUT->box_end();
 173         }
 174         $return = false;
 175
 176         // Display instances list and creation form
 177         if ($action == 'edit') {
 178             $instanceoptionnames = repository::static_function($repository, 'get_instance_option_names');
 179             if (!empty($instanceoptionnames)) {
 180                 repository::display_instances_list(context_system::instance(), $repository);
 181             }
 182         }
 183     }
 184 } else if ($action == 'show') {
 185     if (!confirm_sesskey()) {
 186         throw new \moodle_exception('confirmsesskeybad', '', $baseurl);
 187     }
 188     $class = \core_plugin_manager::resolve_plugininfo_class('repository');
 189     $class::enable_plugin($repository, 1);
 190     $return = true;
 191 } else if ($action == 'hide') {
 192     if (!confirm_sesskey()) {
 193         throw new \moodle_exception('confirmsesskeybad', '', $baseurl);
 194     }
 195     $class = \core_plugin_manager::resolve_plugininfo_class('repository');
 196     $class::enable_plugin($repository, 0);
 197     $return = true;
 198 } else if ($action == 'delete') {
 199     $repositorytype = repository::get_type_by_typename($repository);
 200     if ($sure) {
 201         $PAGE->set_pagetype('admin-repository-' . $repository);
 202         if (!confirm_sesskey()) {
 203             throw new \moodle_exception('confirmsesskeybad', '', $baseurl);
 204         }
 205
 206         if ($repositorytype->delete($downloadcontents)) {
 207             // Include this information into config changes table.
 208             add_to_config_log('repository_visibility', $repositorytype->get_visible(), '', $repository);
 209             core_plugin_manager::reset_caches();
 210             redirect($baseurl);
 211         } else {
 212             throw new \moodle_exception('instancenotdeleted', 'repository', $baseurl);
 213         }
 214         exit;
 215     } else {
 216         echo $OUTPUT->header();
 217
 218         $message = get_string('confirmremove', 'repository', $repositorytype->get_readablename());
 219
 220         $output = $OUTPUT->box_start('generalbox', 'notice');
 221         $output .= html_writer::tag('p', $message);
 222
 223         $removeurl = new moodle_url($sesskeyurl);
 224         $removeurl->params(array(
 225             'action' =>'delete',
 226             'repos' => $repository,
 227             'sure' => 'yes',
 228         ));
 229
 230         $removeanddownloadurl = new moodle_url($sesskeyurl);
 231         $removeanddownloadurl->params(array(
 232             'action' =>'delete',
 233             'repos'=> $repository,
 234             'sure' => 'yes',
 235             'downloadcontents' => 1,
 236         ));
 237
 238         $output .= $OUTPUT->single_button($removeurl, get_string('continueuninstall', 'repository'));
 239         $output .= $OUTPUT->single_button($removeanddownloadurl, get_string('continueuninstallanddownload', 'repository'));
 240         $output .= $OUTPUT->single_button($baseurl, get_string('cancel'));
 241         $output .= $OUTPUT->box_end();
 242
 243         echo $output;
 244
 245         $return = false;
 246     }
 247 } else if ($action == 'moveup') {
 248     $repositorytype = repository::get_type_by_typename($repository);
 249     $repositorytype->move_order('up');
 250 } else if ($action == 'movedown') {
 251     $repositorytype = repository::get_type_by_typename($repository);
 252     $repositorytype->move_order('down');
 253 } else {
 254     // If page is loaded directly
 255     echo $OUTPUT->header();
 256     echo $OUTPUT->heading(get_string('manage', 'repository'));
 257
 258     // Get strings that are used
 259     $strshow = get_string('on', 'repository');
 260     $strhide = get_string('off', 'repository');
 261     $strdelete = get_string('disabled', 'repository');
 262     $struninstall = get_string('uninstallplugin', 'core_admin');
 263
 264     $actionchoicesforexisting = array(
 265         'show' => $strshow,
 266         'hide' => $strhide,
 267         'delete' => $strdelete
 268     );
 269
 270     $actionchoicesfornew = array(
 271         'newon' => $strshow,
 272         'newoff' => $strhide,
 273         'delete' => $strdelete
 274     );
 275
 276     $output = '';
 277     $output .= $OUTPUT->box_start('generalbox');
 278
 279     // Set strings that are used multiple times
 280     $settingsstr = get_string('settings');
 281     $disablestr = get_string('disable');
 282
 283     // Table to list plug-ins
 284     $table = new html_table();
 285     $table->head = array(get_string('name'), get_string('isactive', 'repository'), get_string('order'), $settingsstr, $struninstall);
 286
 287     $table->colclasses = array('leftalign', 'centeralign', 'centeralign', 'centeralign', 'centeralign', 'centeralign');
 288     $table->id = 'repositoriessetting';
 289     $table->data = array();
 290     $table->attributes['class'] = 'admintable generaltable';
 291
 292     // Get list of used plug-ins
 293     $repositorytypes = repository::get_types();
 294     // Array to store plugins being used
 295     $alreadyplugins = array();
 296     if (!empty($repositorytypes)) {
 297         $totalrepositorytypes = count($repositorytypes);
 298         $updowncount = 1;
 299         foreach ($repositorytypes as $i) {
 300             $settings = '';
 301             $typename = $i->get_typename();
 302             // Display edit link only if you can config the type or if it has multiple instances (e.g. has instance config)
 303             $typeoptionnames = repository::static_function($typename, 'get_type_option_names');
 304             $instanceoptionnames = repository::static_function($typename, 'get_instance_option_names');
 305
 306             if (!empty($typeoptionnames) || !empty($instanceoptionnames)) {
 307                 // Calculate number of instances in order to display them for the Moodle administrator
 308                 if (!empty($instanceoptionnames)) {
 309                     $params = array();
 310                     $params['context'] = array(context_system::instance());
 311                     $params['onlyvisible'] = false;
 312                     $params['type'] = $typename;
 313                     $admininstancenumber = count(repository::static_function($typename, 'get_instances', $params));
 314                     // site instances
 315                     $admininstancenumbertext = get_string('instancesforsite', 'repository', $admininstancenumber);
 316                     $params['context'] = array();
 317                     $instances = repository::static_function($typename, 'get_instances', $params);
 318                     $courseinstances = array();
 319                     $userinstances = array();
 320
 321                     foreach ($instances as $instance) {
 322                         $repocontext = context::instance_by_id($instance->instance->contextid);
 323                         if ($repocontext->contextlevel == CONTEXT_COURSE) {
 324                             $courseinstances[] = $instance;
 325                         } else if ($repocontext->contextlevel == CONTEXT_USER) {
 326                             $userinstances[] = $instance;
 327                         }
 328                     }
 329                     // course instances
 330                     $instancenumber = count($courseinstances);
 331                     $courseinstancenumbertext = get_string('instancesforcourses', 'repository', $instancenumber);
 332
 333                     // user private instances
 334                     $instancenumber =  count($userinstances);
 335                     $userinstancenumbertext = get_string('instancesforusers', 'repository', $instancenumber);
 336                 } else {
 337                     $admininstancenumbertext = "";
 338                     $courseinstancenumbertext = "";
 339                     $userinstancenumbertext = "";
 340                 }
 341
 342                 $settings .= '<a href="' . $sesskeyurl . '&amp;action=edit&amp;repos=' . $typename . '">' . $settingsstr .'</a>';
 343
 344                 $settings .= $OUTPUT->container_start('mdl-left');
 345                 $settings .= '<br/>';
 346                 $settings .= $admininstancenumbertext;
 347                 $settings .= '<br/>';
 348                 $settings .= $courseinstancenumbertext;
 349                 $settings .= '<br/>';
 350                 $settings .= $userinstancenumbertext;
 351                 $settings .= $OUTPUT->container_end();
 352             }
 353             // Get the current visibility
 354             if ($i->get_visible()) {
 355                 $currentaction = 'show';
 356             } else {
 357                 $currentaction = 'hide';
 358             }
 359
 360             $select = new single_select(repository_action_url($typename, 'repos'), 'action', $actionchoicesforexisting, $currentaction, null, 'applyto' . basename($typename));
 361             $select->set_label(get_string('action'), array('class' => 'accesshide'));
 362             // Display up/down link
 363             $updown = '';
 364             $spacer = $OUTPUT->spacer(array('height'=>15, 'width'=>15)); // should be done with CSS instead
 365
 366             if ($updowncount > 1) {
 367                 $updown .= "<a href=\"$sesskeyurl&amp;action=moveup&amp;repos=".$typename."\">";
 368                 $updown .= $OUTPUT->pix_icon('t/up', get_string('moveup')) . "</a>&nbsp;";
 369             }
 370             else {
 371                 $updown .= $spacer;
 372             }
 373             if ($updowncount < $totalrepositorytypes) {
 374                 $updown .= "<a href=\"$sesskeyurl&amp;action=movedown&amp;repos=".$typename."\">";
 375                 $updown .= $OUTPUT->pix_icon('t/down', get_string('movedown')) . "</a>&nbsp;";
 376             }
 377             else {
 378                 $updown .= $spacer;
 379             }
 380
 381             $updowncount++;
 382
 383             $uninstall = '';
 384             if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('repository_' . $typename, 'manage')) {
 385                 $uninstall = html_writer::link($uninstallurl, $struninstall);
 386             }
 387
 388             $table->data[] = array($i->get_readablename(), $OUTPUT->render($select), $updown, $settings, $uninstall);
 389             $table->rowclasses[] = '';
 390
 391             if (!in_array($typename, $alreadyplugins)) {
 392                 $alreadyplugins[] = $typename;
 393             }
 394         }
 395     }
 396
 397     // Get all the plugins that exist on disk
 398     $plugins = core_component::get_plugin_list('repository');
 399     if (!empty($plugins)) {
 400         foreach ($plugins as $plugin => $dir) {
 401             // Check that it has not already been listed
 402             if (!in_array($plugin, $alreadyplugins)) {
 403                 $select = new single_select(repository_action_url($plugin, 'repos'), 'action', $actionchoicesfornew, 'delete', null, 'applyto' . basename($plugin));
 404                 $select->set_label(get_string('action'), array('class' => 'accesshide'));
 405                 $uninstall = '';
 406                 if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('repository_' . $plugin, 'manage')) {
 407                     $uninstall = html_writer::link($uninstallurl, $struninstall);
 408                 }
 409                 $table->data[] = array(get_string('pluginname', 'repository_'.$plugin), $OUTPUT->render($select), '', '', $uninstall);
 410                 $table->rowclasses[] = 'dimmed_text';
 411             }
 412         }
 413     }
 414
 415     $output .= html_writer::table($table);
 416     $output .= $OUTPUT->box_end();
 417     print $output;
 418     $return = false;
 419 }
 420
 421 if ($return) {
 422     redirect($baseurl);
 423 }
 424 echo $OUTPUT->footer();