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             }
 146             $data = data_submitted();
 147         }
 148         if ($success) {
 149             // configs saved
 150             core_plugin_manager::reset_caches();
 151             redirect($baseurl);
 152         } else {
 153             print_error('instancenotsaved', 'repository', $baseurl);
 154         }
 155         exit;
 156     } else {
 157         echo $OUTPUT->header();
 158         echo $OUTPUT->heading(get_string('configplugin', 'repository_'.$plugin));
 159         $displaysettingform = true;
 160         if ($action == 'edit') {
 161             $typeoptionnames = repository::static_function($repository, 'get_type_option_names');
 162             $instanceoptionnames = repository::static_function($repository, 'get_instance_option_names');
 163             if (empty($typeoptionnames) && empty($instanceoptionnames)) {
 164                 $displaysettingform = false;
 165             }
 166         }
 167         if ($displaysettingform){
 168             $OUTPUT->box_start();
 169             $mform->display();
 170             $OUTPUT->box_end();
 171         }
 172         $return = false;
 173
 174         // Display instances list and creation form
 175         if ($action == 'edit') {
 176             $instanceoptionnames = repository::static_function($repository, 'get_instance_option_names');
 177             if (!empty($instanceoptionnames)) {
 178                 repository::display_instances_list(context_system::instance(), $repository);
 179             }
 180         }
 181     }
 182 } else if ($action == 'show') {
 183     if (!confirm_sesskey()) {
 184         print_error('confirmsesskeybad', '', $baseurl);
 185     }
 186     $repositorytype = repository::get_type_by_typename($repository);
 187     if (empty($repositorytype)) {
 188         print_error('invalidplugin', 'repository', '', $repository);
 189     }
 190     $repositorytype->update_visibility(true);
 191     core_plugin_manager::reset_caches();
 192     $return = true;
 193 } else if ($action == 'hide') {
 194     if (!confirm_sesskey()) {
 195         print_error('confirmsesskeybad', '', $baseurl);
 196     }
 197     $repositorytype = repository::get_type_by_typename($repository);
 198     if (empty($repositorytype)) {
 199         print_error('invalidplugin', 'repository', '', $repository);
 200     }
 201     $repositorytype->update_visibility(false);
 202     core_plugin_manager::reset_caches();
 203     $return = true;
 204 } else if ($action == 'delete') {
 205     $repositorytype = repository::get_type_by_typename($repository);
 206     if ($sure) {
 207         $PAGE->set_pagetype('admin-repository-' . $repository);
 208         if (!confirm_sesskey()) {
 209             print_error('confirmsesskeybad', '', $baseurl);
 210         }
 211
 212         if ($repositorytype->delete($downloadcontents)) {
 213             core_plugin_manager::reset_caches();
 214             redirect($baseurl);
 215         } else {
 216             print_error('instancenotdeleted', 'repository', $baseurl);
 217         }
 218         exit;
 219     } else {
 220         echo $OUTPUT->header();
 221
 222         $message = get_string('confirmremove', 'repository', $repositorytype->get_readablename());
 223
 224         $output = $OUTPUT->box_start('generalbox', 'notice');
 225         $output .= html_writer::tag('p', $message);
 226
 227         $removeurl = new moodle_url($sesskeyurl);
 228         $removeurl->params(array(
 229             'action' =>'delete',
 230             'repos' => $repository,
 231             'sure' => 'yes',
 232         ));
 233
 234         $removeanddownloadurl = new moodle_url($sesskeyurl);
 235         $removeanddownloadurl->params(array(
 236             'action' =>'delete',
 237             'repos'=> $repository,
 238             'sure' => 'yes',
 239             'downloadcontents' => 1,
 240         ));
 241
 242         $output .= $OUTPUT->single_button($removeurl, get_string('continueuninstall', 'repository'));
 243         $output .= $OUTPUT->single_button($removeanddownloadurl, get_string('continueuninstallanddownload', 'repository'));
 244         $output .= $OUTPUT->single_button($baseurl, get_string('cancel'));
 245         $output .= $OUTPUT->box_end();
 246
 247         echo $output;
 248
 249         $return = false;
 250     }
 251 } else if ($action == 'moveup') {
 252     $repositorytype = repository::get_type_by_typename($repository);
 253     $repositorytype->move_order('up');
 254 } else if ($action == 'movedown') {
 255     $repositorytype = repository::get_type_by_typename($repository);
 256     $repositorytype->move_order('down');
 257 } else {
 258     // If page is loaded directly
 259     echo $OUTPUT->header();
 260     echo $OUTPUT->heading(get_string('manage', 'repository'));
 261
 262     // Get strings that are used
 263     $strshow = get_string('on', 'repository');
 264     $strhide = get_string('off', 'repository');
 265     $strdelete = get_string('disabled', 'repository');
 266     $struninstall = get_string('uninstallplugin', 'core_admin');
 267
 268     $actionchoicesforexisting = array(
 269         'show' => $strshow,
 270         'hide' => $strhide,
 271         'delete' => $strdelete
 272     );
 273
 274     $actionchoicesfornew = array(
 275         'newon' => $strshow,
 276         'newoff' => $strhide,
 277         'delete' => $strdelete
 278     );
 279
 280     $output = '';
 281     $output .= $OUTPUT->box_start('generalbox');
 282
 283     // Set strings that are used multiple times
 284     $settingsstr = get_string('settings');
 285     $disablestr = get_string('disable');
 286
 287     // Table to list plug-ins
 288     $table = new html_table();
 289     $table->head = array(get_string('name'), get_string('isactive', 'repository'), get_string('order'), $settingsstr, $struninstall);
 290
 291     $table->colclasses = array('leftalign', 'centeralign', 'centeralign', 'centeralign', 'centeralign', 'centeralign');
 292     $table->id = 'repositoriessetting';
 293     $table->data = array();
 294     $table->attributes['class'] = 'admintable generaltable';
 295
 296     // Get list of used plug-ins
 297     $repositorytypes = repository::get_types();
 298     // Array to store plugins being used
 299     $alreadyplugins = array();
 300     if (!empty($repositorytypes)) {
 301         $totalrepositorytypes = count($repositorytypes);
 302         $updowncount = 1;
 303         foreach ($repositorytypes as $i) {
 304             $settings = '';
 305             $typename = $i->get_typename();
 306             // Display edit link only if you can config the type or if it has multiple instances (e.g. has instance config)
 307             $typeoptionnames = repository::static_function($typename, 'get_type_option_names');
 308             $instanceoptionnames = repository::static_function($typename, 'get_instance_option_names');
 309
 310             if (!empty($typeoptionnames) || !empty($instanceoptionnames)) {
 311                 // Calculate number of instances in order to display them for the Moodle administrator
 312                 if (!empty($instanceoptionnames)) {
 313                     $params = array();
 314                     $params['context'] = array(context_system::instance());
 315                     $params['onlyvisible'] = false;
 316                     $params['type'] = $typename;
 317                     $admininstancenumber = count(repository::static_function($typename, 'get_instances', $params));
 318                     // site instances
 319                     $admininstancenumbertext = get_string('instancesforsite', 'repository', $admininstancenumber);
 320                     $params['context'] = array();
 321                     $instances = repository::static_function($typename, 'get_instances', $params);
 322                     $courseinstances = array();
 323                     $userinstances = array();
 324
 325                     foreach ($instances as $instance) {
 326                         $repocontext = context::instance_by_id($instance->instance->contextid);
 327                         if ($repocontext->contextlevel == CONTEXT_COURSE) {
 328                             $courseinstances[] = $instance;
 329                         } else if ($repocontext->contextlevel == CONTEXT_USER) {
 330                             $userinstances[] = $instance;
 331                         }
 332                     }
 333                     // course instances
 334                     $instancenumber = count($courseinstances);
 335                     $courseinstancenumbertext = get_string('instancesforcourses', 'repository', $instancenumber);
 336
 337                     // user private instances
 338                     $instancenumber =  count($userinstances);
 339                     $userinstancenumbertext = get_string('instancesforusers', 'repository', $instancenumber);
 340                 } else {
 341                     $admininstancenumbertext = "";
 342                     $courseinstancenumbertext = "";
 343                     $userinstancenumbertext = "";
 344                 }
 345
 346                 $settings .= '<a href="' . $sesskeyurl . '&amp;action=edit&amp;repos=' . $typename . '">' . $settingsstr .'</a>';
 347
 348                 $settings .= $OUTPUT->container_start('mdl-left');
 349                 $settings .= '<br/>';
 350                 $settings .= $admininstancenumbertext;
 351                 $settings .= '<br/>';
 352                 $settings .= $courseinstancenumbertext;
 353                 $settings .= '<br/>';
 354                 $settings .= $userinstancenumbertext;
 355                 $settings .= $OUTPUT->container_end();
 356             }
 357             // Get the current visibility
 358             if ($i->get_visible()) {
 359                 $currentaction = 'show';
 360             } else {
 361                 $currentaction = 'hide';
 362             }
 363
 364             $select = new single_select(repository_action_url($typename, 'repos'), 'action', $actionchoicesforexisting, $currentaction, null, 'applyto' . basename($typename));
 365             $select->set_label(get_string('action'), array('class' => 'accesshide'));
 366             // Display up/down link
 367             $updown = '';
 368             $spacer = $OUTPUT->spacer(array('height'=>15, 'width'=>15)); // should be done with CSS instead
 369
 370             if ($updowncount > 1) {
 371                 $updown .= "<a href=\"$sesskeyurl&amp;action=moveup&amp;repos=".$typename."\">";
 372                 $updown .= $OUTPUT->pix_icon('t/up', get_string('moveup')) . "</a>&nbsp;";
 373             }
 374             else {
 375                 $updown .= $spacer;
 376             }
 377             if ($updowncount < $totalrepositorytypes) {
 378                 $updown .= "<a href=\"$sesskeyurl&amp;action=movedown&amp;repos=".$typename."\">";
 379                 $updown .= $OUTPUT->pix_icon('t/down', get_string('movedown')) . "</a>&nbsp;";
 380             }
 381             else {
 382                 $updown .= $spacer;
 383             }
 384
 385             $updowncount++;
 386
 387             $uninstall = '';
 388             if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('repository_' . $typename, 'manage')) {
 389                 $uninstall = html_writer::link($uninstallurl, $struninstall);
 390             }
 391
 392             $table->data[] = array($i->get_readablename(), $OUTPUT->render($select), $updown, $settings, $uninstall);
 393
 394             if (!in_array($typename, $alreadyplugins)) {
 395                 $alreadyplugins[] = $typename;
 396             }
 397         }
 398     }
 399
 400     // Get all the plugins that exist on disk
 401     $plugins = core_component::get_plugin_list('repository');
 402     if (!empty($plugins)) {
 403         foreach ($plugins as $plugin => $dir) {
 404             // Check that it has not already been listed
 405             if (!in_array($plugin, $alreadyplugins)) {
 406                 $select = new single_select(repository_action_url($plugin, 'repos'), 'action', $actionchoicesfornew, 'delete', null, 'applyto' . basename($plugin));
 407                 $select->set_label(get_string('action'), array('class' => 'accesshide'));
 408                 $uninstall = '';
 409                 if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('repository_' . $plugin, 'manage')) {
 410                     $uninstall = html_writer::link($uninstallurl, $struninstall);
 411                 }
 412                 $table->data[] = array(get_string('pluginname', 'repository_'.$plugin), $OUTPUT->render($select), '', '', $uninstall);
 413             }
 414         }
 415     }
 416
 417     $output .= html_writer::table($table);
 418     $output .= $OUTPUT->box_end();
 419     print $output;
 420     $return = false;
 421 }
 422
 423 if ($return) {
 424     redirect($baseurl);
 425 }
 426 echo $OUTPUT->footer();