}
-/**
- * Returns reference to full info about modules in course (including visibility).
- * Cached and as fast as possible (0 or 1 db query).
- * @param $course object or 'reset' string to reset caches, modinfo may be updated in db
- * @return mixed courseinfo object or nothing if resetting
- */
-function &get_fast_modinfo(&$course, $userid=0) {
- global $CFG, $USER, $DB;
- if (!empty($CFG->enableavailability)) {
- require_once($CFG->libdir.'/conditionlib.php');
- }
-
- static $cache = array();
-
- if ($course === 'reset') {
- $cache = array();
- $nothing = null;
- return $nothing; // we must return some reference
- }
-
- if (empty($userid)) {
- $userid = $USER->id;
- }
-
- if (array_key_exists($course->id, $cache) and $cache[$course->id]->userid == $userid) {
- return $cache[$course->id];
- }
-
- if (empty($course->modinfo)) {
- // no modinfo yet - load it
- rebuild_course_cache($course->id);
- $course->modinfo = $DB->get_field('course', 'modinfo', array('id'=>$course->id));
- }
-
- $modinfo = new object();
- $modinfo->courseid = $course->id;
- $modinfo->userid = $userid;
- $modinfo->sections = array();
- $modinfo->cms = array();
- $modinfo->instances = array();
- $modinfo->groups = null; // loaded only when really needed - the only one db query
-
- $info = unserialize($course->modinfo);
- if (!is_array($info)) {
- // hmm, something is wrong - lets try to fix it
- rebuild_course_cache($course->id);
- $course->modinfo = $DB->get_field('course', 'modinfo', array('id'=>$course->id));
- $info = unserialize($course->modinfo);
- if (!is_array($info)) {
- return $modinfo;
- }
- }
-
- if ($info) {
- // detect if upgrade required
- $first = reset($info);
- if (!isset($first->id)) {
- rebuild_course_cache($course->id);
- $course->modinfo = $DB->get_field('course', 'modinfo', array('id'=>$course->id));
- $info = unserialize($course->modinfo);
- if (!is_array($info)) {
- return $modinfo;
- }
- }
- }
-
- $modlurals = array();
-
- // If we haven't already preloaded contexts for the course, do it now
- preload_course_contexts($course->id);
-
- foreach ($info as $mod) {
- if (empty($mod->name)) {
- // something is wrong here
- continue;
- }
- // reconstruct minimalistic $cm
- $cm = new object();
- $cm->id = $mod->cm;
- $cm->instance = $mod->id;
- $cm->course = $course->id;
- $cm->modname = $mod->mod;
- $cm->name = urldecode($mod->name);
- $cm->visible = $mod->visible;
- $cm->sectionnum = $mod->section;
- $cm->groupmode = $mod->groupmode;
- $cm->groupingid = $mod->groupingid;
- $cm->groupmembersonly = $mod->groupmembersonly;
- $cm->indent = $mod->indent;
- $cm->completion = $mod->completion;
- $cm->extra = isset($mod->extra) ? urldecode($mod->extra) : '';
- $cm->icon = isset($mod->icon) ? $mod->icon : '';
- $cm->uservisible = true;
- if(!empty($CFG->enableavailability)) {
- // We must have completion information from modinfo. If it's not
- // there, cache needs rebuilding
- if(!isset($mod->availablefrom)) {
- debugging('enableavailability option was changed; rebuilding '.
- 'cache for course '.$course->id);
- rebuild_course_cache($course->id,true);
- // Re-enter this routine to do it all properly
- return get_fast_modinfo($course,$userid);
- }
- $cm->availablefrom = $mod->availablefrom;
- $cm->availableuntil = $mod->availableuntil;
- $cm->showavailability = $mod->showavailability;
- $cm->conditionscompletion = $mod->conditionscompletion;
- $cm->conditionsgrade = $mod->conditionsgrade;
- }
-
- // preload long names plurals and also check module is installed properly
- if (!isset($modlurals[$cm->modname])) {
- if (!file_exists("$CFG->dirroot/mod/$cm->modname/lib.php")) {
- continue;
- }
- $modlurals[$cm->modname] = get_string('modulenameplural', $cm->modname);
- }
- $cm->modplural = $modlurals[$cm->modname];
- $modcontext = get_context_instance(CONTEXT_MODULE,$cm->id);
-
- if(!empty($CFG->enableavailability)) {
- // Unfortunately the next call really wants to call
- // get_fast_modinfo, but that would be recursive, so we fake up a
- // modinfo for it already
- if(empty($minimalmodinfo)) {
- $minimalmodinfo=new stdClass();
- $minimalmodinfo->cms=array();
- foreach($info as $mod) {
- $minimalcm=new stdClass();
- $minimalcm->id=$mod->cm;
- $minimalcm->name=urldecode($mod->name);
- $minimalmodinfo->cms[$minimalcm->id]=$minimalcm;
- }
- }
-
- // Get availability information
- $ci = new condition_info($cm);
- $cm->available=$ci->is_available($cm->availableinfo,true,$userid,
- $minimalmodinfo);
- } else {
- $cm->available=true;
- }
- if ((!$cm->visible or !$cm->available) and !has_capability('moodle/course:viewhiddenactivities', $modcontext, $userid)) {
- $cm->uservisible = false;
-
- } else if (!empty($CFG->enablegroupings) and !empty($cm->groupmembersonly)
- and !has_capability('moodle/site:accessallgroups', $modcontext, $userid)) {
- if (is_null($modinfo->groups)) {
- $modinfo->groups = groups_get_user_groups($course->id, $userid);
- }
- if (empty($modinfo->groups[$cm->groupingid])) {
- $cm->uservisible = false;
- }
- }
-
- if (!isset($modinfo->instances[$cm->modname])) {
- $modinfo->instances[$cm->modname] = array();
- }
- $modinfo->instances[$cm->modname][$cm->instance] =& $cm;
- $modinfo->cms[$cm->id] =& $cm;
-
- // reconstruct sections
- if (!isset($modinfo->sections[$cm->sectionnum])) {
- $modinfo->sections[$cm->sectionnum] = array();
- }
- $modinfo->sections[$cm->sectionnum][] = $cm->id;
-
- unset($cm);
- }
-
- unset($cache[$course->id]); // prevent potential reference problems when switching users
- $cache[$course->id] = $modinfo;
-
- // Ensure cache does not use too much RAM
- if (count($cache) > MAX_MODINFO_CACHE_SIZE) {
- array_shift($cache);
- }
-
- return $cache[$course->id];
-}
-
/**
* Returns a number of useful structures for course displays
*/
return $outputarray;
}
- require_once($CFG->dirroot.'/course/lib.php');
-
foreach ($courses as $course) {
$modinfo = get_fast_modinfo($course, $userid);
}
}
+/**
+ * Returns reference to full info about modules in course (including visibility).
+ * Cached and as fast as possible (0 or 1 db query).
+ * @param $course object or 'reset' string to reset caches, modinfo may be updated in db
+ * @return mixed courseinfo object or nothing if resetting
+ */
+function &get_fast_modinfo(&$course, $userid=0) {
+ global $CFG, $USER, $DB;
+ require_once($CFG->dirroot.'/course/lib.php');
+
+ if (!empty($CFG->enableavailability)) {
+ require_once($CFG->libdir.'/conditionlib.php');
+ }
+
+ static $cache = array();
+
+ if ($course === 'reset') {
+ $cache = array();
+ $nothing = null;
+ return $nothing; // we must return some reference
+ }
+
+ if (empty($userid)) {
+ $userid = $USER->id;
+ }
+
+ if (array_key_exists($course->id, $cache) and $cache[$course->id]->userid == $userid) {
+ return $cache[$course->id];
+ }
+
+ if (empty($course->modinfo)) {
+ // no modinfo yet - load it
+ rebuild_course_cache($course->id);
+ $course->modinfo = $DB->get_field('course', 'modinfo', array('id'=>$course->id));
+ }
+
+ $modinfo = new object();
+ $modinfo->courseid = $course->id;
+ $modinfo->userid = $userid;
+ $modinfo->sections = array();
+ $modinfo->cms = array();
+ $modinfo->instances = array();
+ $modinfo->groups = null; // loaded only when really needed - the only one db query
+
+ $info = unserialize($course->modinfo);
+ if (!is_array($info)) {
+ // hmm, something is wrong - lets try to fix it
+ rebuild_course_cache($course->id);
+ $course->modinfo = $DB->get_field('course', 'modinfo', array('id'=>$course->id));
+ $info = unserialize($course->modinfo);
+ if (!is_array($info)) {
+ return $modinfo;
+ }
+ }
+
+ if ($info) {
+ // detect if upgrade required
+ $first = reset($info);
+ if (!isset($first->id)) {
+ rebuild_course_cache($course->id);
+ $course->modinfo = $DB->get_field('course', 'modinfo', array('id'=>$course->id));
+ $info = unserialize($course->modinfo);
+ if (!is_array($info)) {
+ return $modinfo;
+ }
+ }
+ }
+
+ $modlurals = array();
+
+ // If we haven't already preloaded contexts for the course, do it now
+ preload_course_contexts($course->id);
+
+ foreach ($info as $mod) {
+ if (empty($mod->name)) {
+ // something is wrong here
+ continue;
+ }
+ // reconstruct minimalistic $cm
+ $cm = new object();
+ $cm->id = $mod->cm;
+ $cm->instance = $mod->id;
+ $cm->course = $course->id;
+ $cm->modname = $mod->mod;
+ $cm->name = urldecode($mod->name);
+ $cm->visible = $mod->visible;
+ $cm->sectionnum = $mod->section;
+ $cm->groupmode = $mod->groupmode;
+ $cm->groupingid = $mod->groupingid;
+ $cm->groupmembersonly = $mod->groupmembersonly;
+ $cm->indent = $mod->indent;
+ $cm->completion = $mod->completion;
+ $cm->extra = isset($mod->extra) ? urldecode($mod->extra) : '';
+ $cm->icon = isset($mod->icon) ? $mod->icon : '';
+ $cm->uservisible = true;
+ if(!empty($CFG->enableavailability)) {
+ // We must have completion information from modinfo. If it's not
+ // there, cache needs rebuilding
+ if(!isset($mod->availablefrom)) {
+ debugging('enableavailability option was changed; rebuilding '.
+ 'cache for course '.$course->id);
+ rebuild_course_cache($course->id,true);
+ // Re-enter this routine to do it all properly
+ return get_fast_modinfo($course,$userid);
+ }
+ $cm->availablefrom = $mod->availablefrom;
+ $cm->availableuntil = $mod->availableuntil;
+ $cm->showavailability = $mod->showavailability;
+ $cm->conditionscompletion = $mod->conditionscompletion;
+ $cm->conditionsgrade = $mod->conditionsgrade;
+ }
+
+ // preload long names plurals and also check module is installed properly
+ if (!isset($modlurals[$cm->modname])) {
+ if (!file_exists("$CFG->dirroot/mod/$cm->modname/lib.php")) {
+ continue;
+ }
+ $modlurals[$cm->modname] = get_string('modulenameplural', $cm->modname);
+ }
+ $cm->modplural = $modlurals[$cm->modname];
+ $modcontext = get_context_instance(CONTEXT_MODULE,$cm->id);
+
+ if(!empty($CFG->enableavailability)) {
+ // Unfortunately the next call really wants to call
+ // get_fast_modinfo, but that would be recursive, so we fake up a
+ // modinfo for it already
+ if(empty($minimalmodinfo)) {
+ $minimalmodinfo=new stdClass();
+ $minimalmodinfo->cms=array();
+ foreach($info as $mod) {
+ $minimalcm=new stdClass();
+ $minimalcm->id=$mod->cm;
+ $minimalcm->name=urldecode($mod->name);
+ $minimalmodinfo->cms[$minimalcm->id]=$minimalcm;
+ }
+ }
+
+ // Get availability information
+ $ci = new condition_info($cm);
+ $cm->available=$ci->is_available($cm->availableinfo,true,$userid,
+ $minimalmodinfo);
+ } else {
+ $cm->available=true;
+ }
+ if ((!$cm->visible or !$cm->available) and !has_capability('moodle/course:viewhiddenactivities', $modcontext, $userid)) {
+ $cm->uservisible = false;
+
+ } else if (!empty($CFG->enablegroupings) and !empty($cm->groupmembersonly)
+ and !has_capability('moodle/site:accessallgroups', $modcontext, $userid)) {
+ if (is_null($modinfo->groups)) {
+ $modinfo->groups = groups_get_user_groups($course->id, $userid);
+ }
+ if (empty($modinfo->groups[$cm->groupingid])) {
+ $cm->uservisible = false;
+ }
+ }
+
+ if (!isset($modinfo->instances[$cm->modname])) {
+ $modinfo->instances[$cm->modname] = array();
+ }
+ $modinfo->instances[$cm->modname][$cm->instance] =& $cm;
+ $modinfo->cms[$cm->id] =& $cm;
+
+ // reconstruct sections
+ if (!isset($modinfo->sections[$cm->sectionnum])) {
+ $modinfo->sections[$cm->sectionnum] = array();
+ }
+ $modinfo->sections[$cm->sectionnum][] = $cm->id;
+
+ unset($cm);
+ }
+
+ unset($cache[$course->id]); // prevent potential reference problems when switching users
+ $cache[$course->id] = $modinfo;
+
+ // Ensure cache does not use too much RAM
+ if (count($cache) > MAX_MODINFO_CACHE_SIZE) {
+ array_shift($cache);
+ }
+
+ return $cache[$course->id];
+}
+
/**
* Goes through all enrolment records for the courses inside the metacourse and sync with them.
*
projects / moodle.git / commitdiff