/**
* Works out whether activity is visible *for current user* - if this is false, they
* aren't allowed to access it.
*
* @return bool
*/
private function get_uservisible() {
$userid = $this->modinfo->get_user_id();
if ($this->_uservisible !== null || $userid == -1) {
// Has already been calculated or does not need calculation.
return $this->_uservisible;
}
$this->_uservisible = true;
if (!$this->_visible || !$this->get_available()) {
$coursecontext = context_course::instance($this->get_course());
if (!has_capability('moodle/course:viewhiddensections', $coursecontext, $userid)) {
$this->_uservisible = false;
}
}
return $this->_uservisible;
}
/**
* Checks whether the module's conditional access settings mean that the user cannot see the activity at all
*
* @return bool True if the user cannot see the module. False if the activity is either available or should be greyed out.
*/
public function is_user_access_restricted_by_conditional_access()
{
global $CFG, $USER;
if (empty($CFG->enableavailability)) {
return false;
}
// If module will always be visible anyway (but greyed out), don't bother checking anything else
if ($this->showavailability == CONDITION_STUDENTVIEW_SHOW) {
return false;
}
// Can the user see hidden modules?
$modcontext = context_module::instance($this->id);
$userid = $this->modinfo->get_user_id();
if (has_capability('moodle/course:viewhiddenactivities', $modcontext, $userid)) {
return false;
}
// Is the module hidden due to unmet conditions?
if (!$this->available) {
return true;
}
return false;
}
/**
* Works out whether activity is visible *for current user* - if this is false, they
* aren't allowed to access it.
* @return void
*/
private function update_user_visible()
{
global $CFG;
$modcontext = get_context_instance(CONTEXT_MODULE, $this->id);
$userid = $this->modinfo->get_user_id();
$this->uservisible = true;
if ((!$this->visible or !$this->available) and !has_capability('moodle/course:viewhiddenactivities', $modcontext, $userid)) {
// If the activity is hidden or unavailable, and you don't have viewhiddenactivities,
// set it so that user can't see or access it
$this->uservisible = false;
} else {
if (!empty($CFG->enablegroupmembersonly) and !empty($this->groupmembersonly) and !has_capability('moodle/site:accessallgroups', $modcontext, $userid)) {
// If the activity has 'group members only' and you don't have accessallgroups...
$groups = $this->modinfo->get_groups($this->groupingid);
if (empty($groups)) {
// ...and you don't belong to a group, then set it so you can't see/access it
$this->uservisible = false;
}
}
}
}
/**
* Works out whether activity is visible *for current user* - if this is false, they
* aren't allowed to access it.
* @return void
*/
private function update_user_visible()
{
global $CFG;
$modcontext = get_context_instance(CONTEXT_MODULE, $this->id);
$userid = $this->modinfo->get_user_id();
$this->uservisible = true;
// Check visibility/availability conditions.
if ((!$this->visible or !$this->available) and !has_capability('moodle/course:viewhiddenactivities', $modcontext, $userid)) {
// If the activity is hidden or unavailable, and you don't have viewhiddenactivities,
// set it so that user can't see or access it.
$this->uservisible = false;
}
// Check group membership. The grouping option makes the activity
// completely invisible as it does not apply to the user at all.
if (!empty($CFG->enablegroupmembersonly) and !empty($this->groupmembersonly) and !has_capability('moodle/site:accessallgroups', $modcontext, $userid)) {
// If the activity has 'group members only' and you don't have accessallgroups...
$groups = $this->modinfo->get_groups($this->groupingid);
if (empty($groups)) {
// ...and you don't belong to a group, then set it so you can't see/access it
$this->uservisible = false;
// Ensure activity is completely hidden from user.
$this->showavailability = 0;
}
}
}
