course/modlib.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 /**
  18  * Library of functions specific to course/modedit.php and course API functions.
  19  * The course API function calling them are course/lib.php:create_module() and update_module().
  20  * This file has been created has an alternative solution to a full refactor of course/modedit.php
  21  * in order to create the course API functions.
  22  *
  23  * @copyright 2013 Jerome Mouneyrac
  24  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  * @package core_course
  26  */
  27
  28 defined('MOODLE_INTERNAL') || die;
  29
  30 require_once($CFG->dirroot.'/course/lib.php');
  31
  32 /**
  33  * Add course module.
  34  *
  35  * The function does not check user capabilities.
  36  * The function creates course module, module instance, add the module to the correct section.
  37  * It also trigger common action that need to be done after adding/updating a module.
  38  *
  39  * @param object $moduleinfo the moudle data
  40  * @param object $course the course of the module
  41  * @param object $mform this is required by an existing hack to deal with files during MODULENAME_add_instance()
  42  * @return object the updated module info
  43  */
  44 function add_moduleinfo($moduleinfo, $course, $mform = null) {
  45     global $DB, $CFG;
  46
  47     // Attempt to include module library before we make any changes to DB.
  48     include_modulelib($moduleinfo->modulename);
  49
  50     $moduleinfo->course = $course->id;
  51     $moduleinfo = set_moduleinfo_defaults($moduleinfo);
  52
  53     if (!empty($course->groupmodeforce) or !isset($moduleinfo->groupmode)) {
  54         $moduleinfo->groupmode = 0; // Do not set groupmode.
  55     }
  56
  57     // First add course_module record because we need the context.
  58     $newcm = new stdClass();
  59     $newcm->course           = $course->id;
  60     $newcm->module           = $moduleinfo->module;
  61     $newcm->instance         = 0; // Not known yet, will be updated later (this is similar to restore code).
  62     $newcm->visible          = $moduleinfo->visible;
  63     $newcm->visibleold       = $moduleinfo->visible;
  64     if (isset($moduleinfo->cmidnumber)) {
  65         $newcm->idnumber         = $moduleinfo->cmidnumber;
  66     }
  67     $newcm->groupmode        = $moduleinfo->groupmode;
  68     $newcm->groupingid       = $moduleinfo->groupingid;
  69     $newcm->groupmembersonly = $moduleinfo->groupmembersonly;
  70     $completion = new completion_info($course);
  71     if ($completion->is_enabled()) {
  72         $newcm->completion                = $moduleinfo->completion;
  73         $newcm->completiongradeitemnumber = $moduleinfo->completiongradeitemnumber;
  74         $newcm->completionview            = $moduleinfo->completionview;
  75         $newcm->completionexpected        = $moduleinfo->completionexpected;
  76     }
  77     if(!empty($CFG->enableavailability)) {
  78         // This code is used both when submitting the form, which uses a long
  79         // name to avoid clashes, and by unit test code which uses the real
  80         // name in the table.
  81         $newcm->availability = null;
  82         if (property_exists($moduleinfo, 'availabilityconditionsjson')) {
  83             if ($moduleinfo->availabilityconditionsjson !== '') {
  84                 $newcm->availability = $moduleinfo->availabilityconditionsjson;
  85             }
  86         } else if (property_exists($moduleinfo, 'availability')) {
  87             $newcm->availability = $moduleinfo->availability;
  88         }
  89         // If there is any availability data, verify it.
  90         if ($newcm->availability) {
  91             $tree = new \core_availability\tree(json_decode($newcm->availability));
  92             // Save time and database space by setting null if the only data
  93             // is an empty tree.
  94             if ($tree->is_empty()) {
  95                 $newcm->availability = null;
  96             }
  97         }
  98     }
  99     if (isset($moduleinfo->showdescription)) {
 100         $newcm->showdescription = $moduleinfo->showdescription;
 101     } else {
 102         $newcm->showdescription = 0;
 103     }
 104
 105     // From this point we make database changes, so start transaction.
 106     $transaction = $DB->start_delegated_transaction();
 107
 108     if (!$moduleinfo->coursemodule = add_course_module($newcm)) {
 109         print_error('cannotaddcoursemodule');
 110     }
 111
 112     if (plugin_supports('mod', $moduleinfo->modulename, FEATURE_MOD_INTRO, true) &&
 113             isset($moduleinfo->introeditor)) {
 114         $introeditor = $moduleinfo->introeditor;
 115         unset($moduleinfo->introeditor);
 116         $moduleinfo->intro       = $introeditor['text'];
 117         $moduleinfo->introformat = $introeditor['format'];
 118     }
 119
 120     $addinstancefunction    = $moduleinfo->modulename."_add_instance";
 121     try {
 122         $returnfromfunc = $addinstancefunction($moduleinfo, $mform);
 123     } catch (moodle_exception $e) {
 124         $returnfromfunc = $e;
 125     }
 126     if (!$returnfromfunc or !is_number($returnfromfunc)) {
 127         // Undo everything we can. This is not necessary for databases which
 128         // support transactions, but improves consistency for other databases.
 129         $modcontext = context_module::instance($moduleinfo->coursemodule);
 130         context_helper::delete_instance(CONTEXT_MODULE, $moduleinfo->coursemodule);
 131         $DB->delete_records('course_modules', array('id'=>$moduleinfo->coursemodule));
 132
 133         if ($e instanceof moodle_exception) {
 134             throw $e;
 135         } else if (!is_number($returnfromfunc)) {
 136             print_error('invalidfunction', '', course_get_url($course, $moduleinfo->section));
 137         } else {
 138             print_error('cannotaddnewmodule', '', course_get_url($course, $moduleinfo->section), $moduleinfo->modulename);
 139         }
 140     }
 141
 142     $moduleinfo->instance = $returnfromfunc;
 143
 144     $DB->set_field('course_modules', 'instance', $returnfromfunc, array('id'=>$moduleinfo->coursemodule));
 145
 146     // Update embedded links and save files.
 147     $modcontext = context_module::instance($moduleinfo->coursemodule);
 148     if (!empty($introeditor)) {
 149         $moduleinfo->intro = file_save_draft_area_files($introeditor['itemid'], $modcontext->id,
 150                                                       'mod_'.$moduleinfo->modulename, 'intro', 0,
 151                                                       array('subdirs'=>true), $introeditor['text']);
 152         $DB->set_field($moduleinfo->modulename, 'intro', $moduleinfo->intro, array('id'=>$moduleinfo->instance));
 153     }
 154
 155     // Course_modules and course_sections each contain a reference to each other.
 156     // So we have to update one of them twice.
 157     $sectionid = course_add_cm_to_section($course, $moduleinfo->coursemodule, $moduleinfo->section);
 158
 159     // Trigger event based on the action we did.
 160     // Api create_from_cm expects modname and id property, and we don't want to modify $moduleinfo since we are returning it.
 161     $eventdata = clone $moduleinfo;
 162     $eventdata->modname = $eventdata->modulename;
 163     $eventdata->id = $eventdata->coursemodule;
 164     $event = \core\event\course_module_created::create_from_cm($eventdata, $modcontext);
 165     $event->trigger();
 166
 167     $moduleinfo = edit_module_post_actions($moduleinfo, $course);
 168     $transaction->allow_commit();
 169
 170     return $moduleinfo;
 171 }
 172
 173
 174 /**
 175  * Common create/update module module actions that need to be processed as soon as a module is created/updaded.
 176  * For example:create grade parent category, add outcomes, rebuild caches, regrade, save plagiarism settings...
 177  * Please note this api does not trigger events as of MOODLE 2.6. Please trigger events before calling this api.
 178  *
 179  * @param object $moduleinfo the module info
 180  * @param object $course the course of the module
 181  *
 182  * @return object moduleinfo update with grading management info
 183  */
 184 function edit_module_post_actions($moduleinfo, $course) {
 185     global $CFG;
 186     require_once($CFG->libdir.'/gradelib.php');
 187
 188     $modcontext = context_module::instance($moduleinfo->coursemodule);
 189     $hasgrades = plugin_supports('mod', $moduleinfo->modulename, FEATURE_GRADE_HAS_GRADE, false);
 190     $hasoutcomes = plugin_supports('mod', $moduleinfo->modulename, FEATURE_GRADE_OUTCOMES, true);
 191
 192     // Sync idnumber with grade_item.
 193     if ($hasgrades && $grade_item = grade_item::fetch(array('itemtype'=>'mod', 'itemmodule'=>$moduleinfo->modulename,
 194                  'iteminstance'=>$moduleinfo->instance, 'itemnumber'=>0, 'courseid'=>$course->id))) {
 195         if ($grade_item->idnumber != $moduleinfo->cmidnumber) {
 196             $grade_item->idnumber = $moduleinfo->cmidnumber;
 197             $grade_item->update();
 198         }
 199     }
 200
 201     if ($hasgrades) {
 202         $items = grade_item::fetch_all(array('itemtype'=>'mod', 'itemmodule'=>$moduleinfo->modulename,
 203                                          'iteminstance'=>$moduleinfo->instance, 'courseid'=>$course->id));
 204     } else {
 205         $items = array();
 206     }
 207
 208     // Create parent category if requested and move to correct parent category.
 209     if ($items and isset($moduleinfo->gradecat)) {
 210         if ($moduleinfo->gradecat == -1) {
 211             $grade_category = new grade_category();
 212             $grade_category->courseid = $course->id;
 213             $grade_category->fullname = $moduleinfo->name;
 214             $grade_category->insert();
 215             if ($grade_item) {
 216                 $parent = $grade_item->get_parent_category();
 217                 $grade_category->set_parent($parent->id);
 218             }
 219             $moduleinfo->gradecat = $grade_category->id;
 220         }
 221         $gradecategory = $grade_item->get_parent_category();
 222         foreach ($items as $itemid=>$unused) {
 223             $items[$itemid]->set_parent($moduleinfo->gradecat);
 224             if ($itemid == $grade_item->id) {
 225                 // Use updated grade_item.
 226                 $grade_item = $items[$itemid];
 227             }
 228             if (!empty($moduleinfo->add)) {
 229                 if (grade_category::aggregation_uses_aggregationcoef($gradecategory->aggregation)) {
 230                     if ($gradecategory->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN) {
 231                         $grade_item->aggregationcoef = 1;
 232                     } else {
 233                         $grade_item->aggregationcoef = 0;
 234                     }
 235                     $grade_item->update();
 236                 }
 237             }
 238         }
 239     }
 240
 241     require_once($CFG->libdir.'/grade/grade_outcome.php');
 242     // Add outcomes if requested.
 243     if ($hasoutcomes && $outcomes = grade_outcome::fetch_all_available($course->id)) {
 244         $grade_items = array();
 245
 246         // Outcome grade_item.itemnumber start at 1000, there is nothing above outcomes.
 247         $max_itemnumber = 999;
 248         if ($items) {
 249             foreach($items as $item) {
 250                 if ($item->itemnumber > $max_itemnumber) {
 251                     $max_itemnumber = $item->itemnumber;
 252                 }
 253             }
 254         }
 255
 256         foreach($outcomes as $outcome) {
 257             $elname = 'outcome_'.$outcome->id;
 258
 259             if (property_exists($moduleinfo, $elname) and $moduleinfo->$elname) {
 260                 // So we have a request for new outcome grade item?
 261                 if ($items) {
 262                     $outcomeexists = false;
 263                     foreach($items as $item) {
 264                         if ($item->outcomeid == $outcome->id) {
 265                             $outcomeexists = true;
 266                             break;
 267                         }
 268                     }
 269                     if ($outcomeexists) {
 270                         continue;
 271                     }
 272                 }
 273
 274                 $max_itemnumber++;
 275
 276                 $outcome_item = new grade_item();
 277                 $outcome_item->courseid     = $course->id;
 278                 $outcome_item->itemtype     = 'mod';
 279                 $outcome_item->itemmodule   = $moduleinfo->modulename;
 280                 $outcome_item->iteminstance = $moduleinfo->instance;
 281                 $outcome_item->itemnumber   = $max_itemnumber;
 282                 $outcome_item->itemname     = $outcome->fullname;
 283                 $outcome_item->outcomeid    = $outcome->id;
 284                 $outcome_item->gradetype    = GRADE_TYPE_SCALE;
 285                 $outcome_item->scaleid      = $outcome->scaleid;
 286                 $outcome_item->insert();
 287
 288                 // Move the new outcome into correct category and fix sortorder if needed.
 289                 if ($grade_item) {
 290                     $outcome_item->set_parent($grade_item->categoryid);
 291                     $outcome_item->move_after_sortorder($grade_item->sortorder);
 292
 293                 } else if (isset($moduleinfo->gradecat)) {
 294                     $outcome_item->set_parent($moduleinfo->gradecat);
 295                 }
 296                 $gradecategory = $outcome_item->get_parent_category();
 297                 if ($outcomeexists == false) {
 298                     if (grade_category::aggregation_uses_aggregationcoef($gradecategory->aggregation)) {
 299                         if ($gradecategory->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN) {
 300                             $outcome_item->aggregationcoef = 1;
 301                         } else {
 302                             $outcome_item->aggregationcoef = 0;
 303                         }
 304                         $outcome_item->update();
 305                     }
 306                 }
 307             }
 308         }
 309     }
 310
 311     if (plugin_supports('mod', $moduleinfo->modulename, FEATURE_ADVANCED_GRADING, false)
 312             and has_capability('moodle/grade:managegradingforms', $modcontext)) {
 313         require_once($CFG->dirroot.'/grade/grading/lib.php');
 314         $gradingman = get_grading_manager($modcontext, 'mod_'.$moduleinfo->modulename);
 315         $showgradingmanagement = false;
 316         foreach ($gradingman->get_available_areas() as $areaname => $aretitle) {
 317             $formfield = 'advancedgradingmethod_'.$areaname;
 318             if (isset($moduleinfo->{$formfield})) {
 319                 $gradingman->set_area($areaname);
 320                 $methodchanged = $gradingman->set_active_method($moduleinfo->{$formfield});
 321                 if (empty($moduleinfo->{$formfield})) {
 322                     // Going back to the simple direct grading is not a reason to open the management screen.
 323                     $methodchanged = false;
 324                 }
 325                 $showgradingmanagement = $showgradingmanagement || $methodchanged;
 326             }
 327         }
 328         // Update grading management information.
 329         $moduleinfo->gradingman = $gradingman;
 330         $moduleinfo->showgradingmanagement = $showgradingmanagement;
 331     }
 332
 333     rebuild_course_cache($course->id, true);
 334     if ($hasgrades) {
 335         grade_regrade_final_grades($course->id);
 336     }
 337     require_once($CFG->libdir.'/plagiarismlib.php');
 338     plagiarism_save_form_elements($moduleinfo);
 339
 340     return $moduleinfo;
 341 }
 342
 343
 344 /**
 345  * Set module info default values for the unset module attributs.
 346  *
 347  * @param object $moduleinfo the current known data of the module
 348  * @return object the completed module info
 349  */
 350 function set_moduleinfo_defaults($moduleinfo) {
 351
 352     if (empty($moduleinfo->coursemodule)) {
 353         // Add.
 354         $cm = null;
 355         $moduleinfo->instance     = '';
 356         $moduleinfo->coursemodule = '';
 357     } else {
 358         // Update.
 359         $cm = get_coursemodule_from_id('', $moduleinfo->coursemodule, 0, false, MUST_EXIST);
 360         $moduleinfo->instance     = $cm->instance;
 361         $moduleinfo->coursemodule = $cm->id;
 362     }
 363     // For safety.
 364     $moduleinfo->modulename = clean_param($moduleinfo->modulename, PARAM_PLUGIN);
 365
 366     if (!isset($moduleinfo->groupingid)) {
 367         $moduleinfo->groupingid = 0;
 368     }
 369
 370     if (!isset($moduleinfo->groupmembersonly)) {
 371         $moduleinfo->groupmembersonly = 0;
 372     }
 373
 374     if (!isset($moduleinfo->name)) { // Label.
 375         $moduleinfo->name = $moduleinfo->modulename;
 376     }
 377
 378     if (!isset($moduleinfo->completion)) {
 379         $moduleinfo->completion = COMPLETION_DISABLED;
 380     }
 381     if (!isset($moduleinfo->completionview)) {
 382         $moduleinfo->completionview = COMPLETION_VIEW_NOT_REQUIRED;
 383     }
 384     if (!isset($moduleinfo->completionexpected)) {
 385         $moduleinfo->completionexpected = 0;
 386     }
 387
 388     // Convert the 'use grade' checkbox into a grade-item number: 0 if checked, null if not.
 389     if (isset($moduleinfo->completionusegrade) && $moduleinfo->completionusegrade) {
 390         $moduleinfo->completiongradeitemnumber = 0;
 391     } else {
 392         $moduleinfo->completiongradeitemnumber = null;
 393     }
 394
 395     if (!isset($moduleinfo->conditiongradegroup)) {
 396         $moduleinfo->conditiongradegroup = array();
 397     }
 398     if (!isset($moduleinfo->conditionfieldgroup)) {
 399         $moduleinfo->conditionfieldgroup = array();
 400     }
 401
 402     return $moduleinfo;
 403 }
 404
 405 /**
 406  * Check that the user can add a module. Also returns some information like the module, context and course section info.
 407  * The fucntion create the course section if it doesn't exist.
 408  *
 409  * @param object $course the course of the module
 410  * @param object $modulename the module name
 411  * @param object $section the section of the module
 412  * @return array list containing module, context, course section.
 413  * @throws moodle_exception if user is not allowed to perform the action or module is not allowed in this course
 414  */
 415 function can_add_moduleinfo($course, $modulename, $section) {
 416     global $DB;
 417
 418     $module = $DB->get_record('modules', array('name'=>$modulename), '*', MUST_EXIST);
 419
 420     $context = context_course::instance($course->id);
 421     require_capability('moodle/course:manageactivities', $context);
 422
 423     course_create_sections_if_missing($course, $section);
 424     $cw = get_fast_modinfo($course)->get_section_info($section);
 425
 426     if (!course_allowed_module($course, $module->name)) {
 427         print_error('moduledisable');
 428     }
 429
 430     return array($module, $context, $cw);
 431 }
 432
 433 /**
 434  * Check if user is allowed to update module info and returns related item/data to the module.
 435  *
 436  * @param object $cm course module
 437  * @return array - list of course module, context, module, moduleinfo, and course section.
 438  * @throws moodle_exception if user is not allowed to perform the action
 439  */
 440 function can_update_moduleinfo($cm) {
 441     global $DB;
 442
 443     // Check the $USER has the right capability.
 444     $context = context_module::instance($cm->id);
 445     require_capability('moodle/course:manageactivities', $context);
 446
 447     // Check module exists.
 448     $module = $DB->get_record('modules', array('id'=>$cm->module), '*', MUST_EXIST);
 449
 450     // Check the moduleinfo exists.
 451     $data = $DB->get_record($module->name, array('id'=>$cm->instance), '*', MUST_EXIST);
 452
 453     // Check the course section exists.
 454     $cw = $DB->get_record('course_sections', array('id'=>$cm->section), '*', MUST_EXIST);
 455
 456     return array($cm, $context, $module, $data, $cw);
 457 }
 458
 459
 460 /**
 461  * Update the module info.
 462  * This function doesn't check the user capabilities. It updates the course module and the module instance.
 463  * Then execute common action to create/update module process (trigger event, rebuild cache, save plagiarism settings...).
 464  *
 465  * @param object $cm course module
 466  * @param object $moduleinfo module info
 467  * @param object $course course of the module
 468  * @param object $mform - the mform is required by some specific module in the function MODULE_update_instance(). This is due to a hack in this function.
 469  * @return array list of course module and module info.
 470  */
 471 function update_moduleinfo($cm, $moduleinfo, $course, $mform = null) {
 472     global $DB, $CFG;
 473
 474     // Attempt to include module library before we make any changes to DB.
 475     include_modulelib($moduleinfo->modulename);
 476
 477     $moduleinfo->course = $course->id;
 478     $moduleinfo = set_moduleinfo_defaults($moduleinfo);
 479
 480     if (!empty($course->groupmodeforce) or !isset($moduleinfo->groupmode)) {
 481         $moduleinfo->groupmode = $cm->groupmode; // Keep original.
 482     }
 483
 484     // Update course module first.
 485     $cm->groupmode = $moduleinfo->groupmode;
 486     if (isset($moduleinfo->groupingid)) {
 487         $cm->groupingid = $moduleinfo->groupingid;
 488     }
 489     if (isset($moduleinfo->groupmembersonly)) {
 490         $cm->groupmembersonly = $moduleinfo->groupmembersonly;
 491     }
 492
 493     $completion = new completion_info($course);
 494     if ($completion->is_enabled() && !empty($moduleinfo->completionunlocked)) {
 495         // Update completion settings.
 496         $cm->completion                = $moduleinfo->completion;
 497         $cm->completiongradeitemnumber = $moduleinfo->completiongradeitemnumber;
 498         $cm->completionview            = $moduleinfo->completionview;
 499         $cm->completionexpected        = $moduleinfo->completionexpected;
 500     }
 501     if (!empty($CFG->enableavailability)) {
 502         // This code is used both when submitting the form, which uses a long
 503         // name to avoid clashes, and by unit test code which uses the real
 504         // name in the table.
 505         if (property_exists($moduleinfo, 'availabilityconditionsjson')) {
 506             if ($moduleinfo->availabilityconditionsjson !== '') {
 507                 $cm->availability = $moduleinfo->availabilityconditionsjson;
 508             } else {
 509                 $cm->availability = null;
 510             }
 511         } else if (property_exists($moduleinfo, 'availability')) {
 512             $cm->availability = $moduleinfo->availability;
 513         }
 514         // If there is any availability data, verify it.
 515         if ($cm->availability) {
 516             $tree = new \core_availability\tree(json_decode($cm->availability));
 517             // Save time and database space by setting null if the only data
 518             // is an empty tree.
 519             if ($tree->is_empty()) {
 520                 $cm->availability = null;
 521             }
 522         }
 523     }
 524     if (isset($moduleinfo->showdescription)) {
 525         $cm->showdescription = $moduleinfo->showdescription;
 526     } else {
 527         $cm->showdescription = 0;
 528     }
 529
 530     $DB->update_record('course_modules', $cm);
 531
 532     $modcontext = context_module::instance($moduleinfo->coursemodule);
 533
 534     // Update embedded links and save files.
 535     if (plugin_supports('mod', $moduleinfo->modulename, FEATURE_MOD_INTRO, true)) {
 536         $moduleinfo->intro = file_save_draft_area_files($moduleinfo->introeditor['itemid'], $modcontext->id,
 537                                                       'mod_'.$moduleinfo->modulename, 'intro', 0,
 538                                                       array('subdirs'=>true), $moduleinfo->introeditor['text']);
 539         $moduleinfo->introformat = $moduleinfo->introeditor['format'];
 540         unset($moduleinfo->introeditor);
 541     }
 542     $updateinstancefunction = $moduleinfo->modulename."_update_instance";
 543     if (!$updateinstancefunction($moduleinfo, $mform)) {
 544         print_error('cannotupdatemod', '', course_get_url($course, $cw->section), $moduleinfo->modulename);
 545     }
 546
 547     // Make sure visibility is set correctly (in particular in calendar).
 548     if (has_capability('moodle/course:activityvisibility', $modcontext)) {
 549         set_coursemodule_visible($moduleinfo->coursemodule, $moduleinfo->visible);
 550     }
 551
 552     if (isset($moduleinfo->cmidnumber)) { // Label.
 553         // Set cm idnumber - uniqueness is already verified by form validation.
 554         set_coursemodule_idnumber($moduleinfo->coursemodule, $moduleinfo->cmidnumber);
 555     }
 556
 557     // Now that module is fully updated, also update completion data if required.
 558     // (this will wipe all user completion data and recalculate it)
 559     if ($completion->is_enabled() && !empty($moduleinfo->completionunlocked)) {
 560         $completion->reset_all_state($cm);
 561     }
 562     $cm->name = $moduleinfo->name;
 563     \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
 564
 565     $moduleinfo = edit_module_post_actions($moduleinfo, $course);
 566
 567     return array($cm, $moduleinfo);
 568 }
 569
 570 /**
 571  * Include once the module lib file.
 572  *
 573  * @param string $modulename module name of the lib to include
 574  * @throws moodle_exception if lib.php file for the module does not exist
 575  */
 576 function include_modulelib($modulename) {
 577     global $CFG;
 578     $modlib = "$CFG->dirroot/mod/$modulename/lib.php";
 579     if (file_exists($modlib)) {
 580         include_once($modlib);
 581     } else {
 582         throw new moodle_exception('modulemissingcode', '', '', $modlib);
 583     }
 584 }
 585