2 // This file is part of Moodle - http://moodle.org/
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.
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.
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/>.
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.
23 * @copyright 2013 Jerome Mouneyrac
24 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 * @package core_course
28 defined('MOODLE_INTERNAL') ||
die;
30 require_once($CFG->dirroot
.'/course/lib.php');
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.
39 * @param object $moduleinfo the moudle data
40 * @param object $course the course of the module
41 * @param object $mform this is required by an existing hack to deal with files during MODULENAME_add_instance()
42 * @return object the updated module info
44 function add_moduleinfo($moduleinfo, $course, $mform = null) {
47 $moduleinfo->course
= $course->id
;
48 $moduleinfo = set_moduleinfo_defaults($moduleinfo);
50 if (!empty($course->groupmodeforce
) or !isset($moduleinfo->groupmode
)) {
51 $moduleinfo->groupmode
= 0; // Do not set groupmode.
54 if (!course_allowed_module($course, $moduleinfo->modulename
)) {
55 print_error('moduledisable', '', '', $moduleinfo->modulename
);
58 // First add course_module record because we need the context.
59 $newcm = new stdClass();
60 $newcm->course
= $course->id
;
61 $newcm->module
= $moduleinfo->module
;
62 $newcm->instance
= 0; // Not known yet, will be updated later (this is similar to restore code).
63 $newcm->visible
= $moduleinfo->visible
;
64 $newcm->visibleold
= $moduleinfo->visible
;
65 $newcm->groupmode
= $moduleinfo->groupmode
;
66 $newcm->groupingid
= $moduleinfo->groupingid
;
67 $newcm->groupmembersonly
= $moduleinfo->groupmembersonly
;
68 $completion = new completion_info($course);
69 if ($completion->is_enabled()) {
70 $newcm->completion
= $moduleinfo->completion
;
71 $newcm->completiongradeitemnumber
= $moduleinfo->completiongradeitemnumber
;
72 $newcm->completionview
= $moduleinfo->completionview
;
73 $newcm->completionexpected
= $moduleinfo->completionexpected
;
75 if(!empty($CFG->enableavailability
)) {
76 $newcm->availablefrom
= $moduleinfo->availablefrom
;
77 $newcm->availableuntil
= $moduleinfo->availableuntil
;
78 $newcm->showavailability
= $moduleinfo->showavailability
;
80 if (isset($moduleinfo->showdescription
)) {
81 $newcm->showdescription
= $moduleinfo->showdescription
;
83 $newcm->showdescription
= 0;
86 if (!$moduleinfo->coursemodule
= add_course_module($newcm)) {
87 print_error('cannotaddcoursemodule');
90 if (plugin_supports('mod', $moduleinfo->modulename
, FEATURE_MOD_INTRO
, true)) {
91 $introeditor = $moduleinfo->introeditor
;
92 unset($moduleinfo->introeditor
);
93 $moduleinfo->intro
= $introeditor['text'];
94 $moduleinfo->introformat
= $introeditor['format'];
97 $addinstancefunction = $moduleinfo->modulename
."_add_instance";
98 $returnfromfunc = $addinstancefunction($moduleinfo, $mform);
99 if (!$returnfromfunc or !is_number($returnfromfunc)) {
100 // Undo everything we can.
101 $modcontext = context_module
::instance($moduleinfo->coursemodule
);
102 context_helper
::delete_instance(CONTEXT_MODULE
, $moduleinfo->coursemodule
);
103 $DB->delete_records('course_modules', array('id'=>$moduleinfo->coursemodule
));
105 if (!is_number($returnfromfunc)) {
106 print_error('invalidfunction', '', course_get_url($course, $cw->section
));
108 print_error('cannotaddnewmodule', '', course_get_url($course, $cw->section
), $moduleinfo->modulename
);
112 $moduleinfo->instance
= $returnfromfunc;
114 $DB->set_field('course_modules', 'instance', $returnfromfunc, array('id'=>$moduleinfo->coursemodule
));
116 // Update embedded links and save files.
117 $modcontext = context_module
::instance($moduleinfo->coursemodule
);
118 if (!empty($introeditor)) {
119 $moduleinfo->intro
= file_save_draft_area_files($introeditor['itemid'], $modcontext->id
,
120 'mod_'.$moduleinfo->modulename
, 'intro', 0,
121 array('subdirs'=>true), $introeditor['text']);
122 $DB->set_field($moduleinfo->modulename
, 'intro', $moduleinfo->intro
, array('id'=>$moduleinfo->instance
));
125 // Course_modules and course_sections each contain a reference to each other.
126 // So we have to update one of them twice.
127 $sectionid = course_add_cm_to_section($course, $moduleinfo->coursemodule
, $moduleinfo->section
);
129 // Make sure visibility is set correctly (in particular in calendar).
130 // Note: allow them to set it even without moodle/course:activityvisibility.
131 set_coursemodule_visible($moduleinfo->coursemodule
, $moduleinfo->visible
);
133 if (isset($moduleinfo->cmidnumber
)) { // Label.
134 // Set cm idnumber - uniqueness is already verified by form validation.
135 set_coursemodule_idnumber($moduleinfo->coursemodule
, $moduleinfo->cmidnumber
);
138 // Set up conditions.
139 if ($CFG->enableavailability
) {
140 condition_info
::update_cm_from_form((object)array('id'=>$moduleinfo->coursemodule
), $moduleinfo, false);
143 // Trigger event based on the action we did.
144 $event = \core\event\course_module_created
::create(array(
145 'courseid' => $course->id
,
146 'context' => $modcontext,
147 'objectid' => $moduleinfo->coursemodule
,
149 'modulename' => $moduleinfo->modulename
,
150 'name' => $moduleinfo->name
,
151 'instanceid' => $moduleinfo->instance
156 add_to_log($course->id
, $moduleinfo->modulename
, "add",
157 "view.php?id=$moduleinfo->coursemodule",
158 "$moduleinfo->instance", $moduleinfo->coursemodule
);
160 $moduleinfo = edit_module_post_actions($moduleinfo, $course);
167 * Common create/update module module actions that need to be processed as soon as a module is created/updaded.
168 * For example:create grade parent category, add outcomes, rebuild caches, regrade, save plagiarism settings...
169 * Please note this api does not trigger events as of MOODLE 2.6. Please trigger events before calling this api.
171 * @param object $moduleinfo the module info
172 * @param object $course the course of the module
174 * @return object moduleinfo update with grading management info
176 function edit_module_post_actions($moduleinfo, $course) {
179 $modcontext = context_module
::instance($moduleinfo->coursemodule
);
181 // Sync idnumber with grade_item.
182 if ($grade_item = grade_item
::fetch(array('itemtype'=>'mod', 'itemmodule'=>$moduleinfo->modulename
,
183 'iteminstance'=>$moduleinfo->instance
, 'itemnumber'=>0, 'courseid'=>$course->id
))) {
184 if ($grade_item->idnumber
!= $moduleinfo->cmidnumber
) {
185 $grade_item->idnumber
= $moduleinfo->cmidnumber
;
186 $grade_item->update();
190 $items = grade_item
::fetch_all(array('itemtype'=>'mod', 'itemmodule'=>$moduleinfo->modulename
,
191 'iteminstance'=>$moduleinfo->instance
, 'courseid'=>$course->id
));
193 // Create parent category if requested and move to correct parent category.
194 if ($items and isset($moduleinfo->gradecat
)) {
195 if ($moduleinfo->gradecat
== -1) {
196 $grade_category = new grade_category();
197 $grade_category->courseid
= $course->id
;
198 $grade_category->fullname
= $moduleinfo->name
;
199 $grade_category->insert();
201 $parent = $grade_item->get_parent_category();
202 $grade_category->set_parent($parent->id
);
204 $moduleinfo->gradecat
= $grade_category->id
;
206 foreach ($items as $itemid=>$unused) {
207 $items[$itemid]->set_parent($moduleinfo->gradecat
);
208 if ($itemid == $grade_item->id
) {
209 // Use updated grade_item.
210 $grade_item = $items[$itemid];
215 // Add outcomes if requested.
216 if ($outcomes = grade_outcome
::fetch_all_available($course->id
)) {
217 $grade_items = array();
219 // Outcome grade_item.itemnumber start at 1000, there is nothing above outcomes.
220 $max_itemnumber = 999;
222 foreach($items as $item) {
223 if ($item->itemnumber
> $max_itemnumber) {
224 $max_itemnumber = $item->itemnumber
;
229 foreach($outcomes as $outcome) {
230 $elname = 'outcome_'.$outcome->id
;
232 if (property_exists($moduleinfo, $elname) and $moduleinfo->$elname) {
233 // So we have a request for new outcome grade item?
235 $outcomeexists = false;
236 foreach($items as $item) {
237 if ($item->outcomeid
== $outcome->id
) {
238 $outcomeexists = true;
242 if ($outcomeexists) {
249 $outcome_item = new grade_item();
250 $outcome_item->courseid
= $course->id
;
251 $outcome_item->itemtype
= 'mod';
252 $outcome_item->itemmodule
= $moduleinfo->modulename
;
253 $outcome_item->iteminstance
= $moduleinfo->instance
;
254 $outcome_item->itemnumber
= $max_itemnumber;
255 $outcome_item->itemname
= $outcome->fullname
;
256 $outcome_item->outcomeid
= $outcome->id
;
257 $outcome_item->gradetype
= GRADE_TYPE_SCALE
;
258 $outcome_item->scaleid
= $outcome->scaleid
;
259 $outcome_item->insert();
261 // Move the new outcome into correct category and fix sortorder if needed.
263 $outcome_item->set_parent($grade_item->categoryid
);
264 $outcome_item->move_after_sortorder($grade_item->sortorder
);
266 } else if (isset($moduleinfo->gradecat
)) {
267 $outcome_item->set_parent($moduleinfo->gradecat
);
273 if (plugin_supports('mod', $moduleinfo->modulename
, FEATURE_ADVANCED_GRADING
, false)
274 and has_capability('moodle/grade:managegradingforms', $modcontext)) {
275 require_once($CFG->dirroot
.'/grade/grading/lib.php');
276 $gradingman = get_grading_manager($modcontext, 'mod_'.$moduleinfo->modulename
);
277 $showgradingmanagement = false;
278 foreach ($gradingman->get_available_areas() as $areaname => $aretitle) {
279 $formfield = 'advancedgradingmethod_'.$areaname;
280 if (isset($moduleinfo->{$formfield})) {
281 $gradingman->set_area($areaname);
282 $methodchanged = $gradingman->set_active_method($moduleinfo->{$formfield});
283 if (empty($moduleinfo->{$formfield})) {
284 // Going back to the simple direct grading is not a reason to open the management screen.
285 $methodchanged = false;
287 $showgradingmanagement = $showgradingmanagement ||
$methodchanged;
290 // Update grading management information.
291 $moduleinfo->gradingman
= $gradingman;
292 $moduleinfo->showgradingmanagement
= $showgradingmanagement;
295 rebuild_course_cache($course->id
);
296 grade_regrade_final_grades($course->id
);
297 require_once($CFG->libdir
.'/plagiarismlib.php');
298 plagiarism_save_form_elements($moduleinfo);
305 * Set module info default values for the unset module attributs.
307 * @param object $moduleinfo the current known data of the module
308 * @return object the completed module info
310 function set_moduleinfo_defaults($moduleinfo) {
313 if (empty($moduleinfo->coursemodule
)) {
316 $moduleinfo->instance
= '';
317 $moduleinfo->coursemodule
= '';
320 $cm = get_coursemodule_from_id('', $moduleinfo->coursemodule
, 0, false, MUST_EXIST
);
321 $moduleinfo->instance
= $cm->instance
;
322 $moduleinfo->coursemodule
= $cm->id
;
325 $moduleinfo->modulename
= clean_param($moduleinfo->modulename
, PARAM_PLUGIN
);
327 if (!isset($moduleinfo->groupingid
)) {
328 $moduleinfo->groupingid
= 0;
331 if (!isset($moduleinfo->groupmembersonly
)) {
332 $moduleinfo->groupmembersonly
= 0;
335 if (!isset($moduleinfo->name
)) { // Label.
336 $moduleinfo->name
= $moduleinfo->modulename
;
339 if (!isset($moduleinfo->completion
)) {
340 $moduleinfo->completion
= COMPLETION_DISABLED
;
342 if (!isset($moduleinfo->completionview
)) {
343 $moduleinfo->completionview
= COMPLETION_VIEW_NOT_REQUIRED
;
346 // Convert the 'use grade' checkbox into a grade-item number: 0 if checked, null if not.
347 if (isset($moduleinfo->completionusegrade
) && $moduleinfo->completionusegrade
) {
348 $moduleinfo->completiongradeitemnumber
= 0;
350 $moduleinfo->completiongradeitemnumber
= null;
357 * Check that the user can add a module. Also returns some information like the module, context and course section info.
358 * The fucntion create the course section if it doesn't exist.
360 * @param object $course the course of the module
361 * @param object $modulename the module name
362 * @param object $section the section of the module
363 * @return array list containing module, context, course section.
365 function can_add_moduleinfo($course, $modulename, $section) {
368 $module = $DB->get_record('modules', array('name'=>$modulename), '*', MUST_EXIST
);
370 $context = context_course
::instance($course->id
);
371 require_capability('moodle/course:manageactivities', $context);
373 course_create_sections_if_missing($course, $section);
374 $cw = get_fast_modinfo($course)->get_section_info($section);
376 if (!course_allowed_module($course, $module->name
)) {
377 print_error('moduledisable');
380 return array($module, $context, $cw);
384 * Check if user is allowed to update module info and returns related item/data to the module.
386 * @param object $cm course module
387 * @return array - list of course module, context, module, moduleinfo, and course section.
389 function can_update_moduleinfo($cm) {
392 // Check the $USER has the right capability.
393 $context = context_module
::instance($cm->id
);
394 require_capability('moodle/course:manageactivities', $context);
396 // Check module exists.
397 $module = $DB->get_record('modules', array('id'=>$cm->module
), '*', MUST_EXIST
);
399 // Check the moduleinfo exists.
400 $data = $DB->get_record($module->name
, array('id'=>$cm->instance
), '*', MUST_EXIST
);
402 // Check the course section exists.
403 $cw = $DB->get_record('course_sections', array('id'=>$cm->section
), '*', MUST_EXIST
);
405 return array($cm, $context, $module, $data, $cw);
410 * Update the module info.
411 * This function doesn't check the user capabilities. It updates the course module and the module instance.
412 * Then execute common action to create/update module process (trigger event, rebuild cache, save plagiarism settings...).
414 * @param object $cm course module
415 * @param object $moduleinfo module info
416 * @param object $course course of the module
417 * @param object $mform - the mform is required by some specific module in the function MODULE_update_instance(). This is due to a hack in this function.
418 * @return array list of course module and module info.
420 function update_moduleinfo($cm, $moduleinfo, $course, $mform = null) {
423 $moduleinfo->course
= $course->id
;
424 $moduleinfo = set_moduleinfo_defaults($moduleinfo);
426 if (!empty($course->groupmodeforce
) or !isset($moduleinfo->groupmode
)) {
427 $moduleinfo->groupmode
= $cm->groupmode
; // Keep original.
430 // Update course module first.
431 $cm->groupmode
= $moduleinfo->groupmode
;
432 if (isset($moduleinfo->groupingid
)) {
433 $cm->groupingid
= $moduleinfo->groupingid
;
435 if (isset($moduleinfo->groupmembersonly
)) {
436 $cm->groupmembersonly
= $moduleinfo->groupmembersonly
;
439 $completion = new completion_info($course);
440 if ($completion->is_enabled() && !empty($moduleinfo->completionunlocked
)) {
441 // Update completion settings.
442 $cm->completion
= $moduleinfo->completion
;
443 $cm->completiongradeitemnumber
= $moduleinfo->completiongradeitemnumber
;
444 $cm->completionview
= $moduleinfo->completionview
;
445 $cm->completionexpected
= $moduleinfo->completionexpected
;
447 if (!empty($CFG->enableavailability
)) {
448 $cm->availablefrom
= $moduleinfo->availablefrom
;
449 $cm->availableuntil
= $moduleinfo->availableuntil
;
450 $cm->showavailability
= $moduleinfo->showavailability
;
451 condition_info
::update_cm_from_form($cm,$moduleinfo,true);
453 if (isset($moduleinfo->showdescription
)) {
454 $cm->showdescription
= $moduleinfo->showdescription
;
456 $cm->showdescription
= 0;
459 $DB->update_record('course_modules', $cm);
461 $modcontext = context_module
::instance($moduleinfo->coursemodule
);
463 // Update embedded links and save files.
464 if (plugin_supports('mod', $moduleinfo->modulename
, FEATURE_MOD_INTRO
, true)) {
465 $moduleinfo->intro
= file_save_draft_area_files($moduleinfo->introeditor
['itemid'], $modcontext->id
,
466 'mod_'.$moduleinfo->modulename
, 'intro', 0,
467 array('subdirs'=>true), $moduleinfo->introeditor
['text']);
468 $moduleinfo->introformat
= $moduleinfo->introeditor
['format'];
469 unset($moduleinfo->introeditor
);
471 $updateinstancefunction = $moduleinfo->modulename
."_update_instance";
472 if (!$updateinstancefunction($moduleinfo, $mform)) {
473 print_error('cannotupdatemod', '', course_get_url($course, $cw->section
), $moduleinfo->modulename
);
476 // Make sure visibility is set correctly (in particular in calendar).
477 if (has_capability('moodle/course:activityvisibility', $modcontext)) {
478 set_coursemodule_visible($moduleinfo->coursemodule
, $moduleinfo->visible
);
481 if (isset($moduleinfo->cmidnumber
)) { // Label.
482 // Set cm idnumber - uniqueness is already verified by form validation.
483 set_coursemodule_idnumber($moduleinfo->coursemodule
, $moduleinfo->cmidnumber
);
486 // Now that module is fully updated, also update completion data if required.
487 // (this will wipe all user completion data and recalculate it)
488 if ($completion->is_enabled() && !empty($moduleinfo->completionunlocked
)) {
489 $completion->reset_all_state($cm);
492 // Trigger event based on the action we did.
493 $event = \core\event\course_module_updated
::create(array(
494 'courseid' => $course->id
,
495 'context' => $modcontext,
496 'objectid' => $moduleinfo->coursemodule
,
498 'modulename' => $moduleinfo->modulename
,
499 'name' => $moduleinfo->name
,
500 'instanceid' => $moduleinfo->instance
505 add_to_log($course->id
, $moduleinfo->modulename
, "update",
506 "view.php?id=$moduleinfo->coursemodule",
507 "$moduleinfo->instance", $moduleinfo->coursemodule
);
509 $moduleinfo = edit_module_post_actions($moduleinfo, $course);
511 return array($cm, $moduleinfo);
515 * Include once the module lib file.
517 * @param string $modulename module name of the lib to include
519 function include_modulelib($modulename) {
521 $modlib = "$CFG->dirroot/mod/$modulename/lib.php";
522 if (file_exists($modlib)) {
523 include_once($modlib);
525 throw new moodle_exception('modulemissingcode', '', '', $modlib);