/**
* Allocate submissions as requested by user
*
* @return workshopplus_allocation_result
*/
public function init()
{
global $PAGE;
$mode = optional_param('mode', 'display', PARAM_ALPHA);
$perpage = optional_param('perpage', null, PARAM_INT);
if ($perpage and $perpage > 0 and $perpage <= 1000) {
require_sesskey();
set_user_preference('workshopplusallocation_manual_perpage', $perpage);
redirect($PAGE->url);
}
$result = new workshopplus_allocation_result($this);
switch ($mode) {
case 'new':
if (!confirm_sesskey()) {
throw new moodle_exception('confirmsesskeybad');
}
$reviewerid = required_param('by', PARAM_INT);
$authorid = required_param('of', PARAM_INT);
$m = array();
// message object to be passed to the next page
$submission = $this->workshopplus->get_submission_by_author($authorid);
if (!$submission) {
// nothing submitted by the given user
$m[] = self::MSG_NOSUBMISSION;
$m[] = $authorid;
} else {
// ok, we have the submission
$res = $this->workshopplus->add_allocation($submission, $reviewerid);
if ($res == workshopplus::ALLOCATION_EXISTS) {
$m[] = self::MSG_EXISTS;
$m[] = $submission->authorid;
$m[] = $reviewerid;
} else {
$m[] = self::MSG_ADDED;
$m[] = $submission->authorid;
$m[] = $reviewerid;
}
}
$m = implode('-', $m);
// serialize message object to be passed via URL
redirect($PAGE->url->out(false, array('m' => $m)));
break;
case 'del':
if (!confirm_sesskey()) {
throw new moodle_exception('confirmsesskeybad');
}
$assessmentid = required_param('what', PARAM_INT);
$confirmed = optional_param('confirm', 0, PARAM_INT);
$assessment = $this->workshopplus->get_assessment_by_id($assessmentid);
if ($assessment) {
if (!$confirmed) {
$m[] = self::MSG_CONFIRM_DEL;
$m[] = $assessment->id;
$m[] = $assessment->authorid;
$m[] = $assessment->reviewerid;
if (is_null($assessment->grade)) {
$m[] = 0;
} else {
$m[] = 1;
}
} else {
if ($this->workshopplus->delete_assessment($assessment->id)) {
$m[] = self::MSG_DELETED;
$m[] = $assessment->authorid;
$m[] = $assessment->reviewerid;
} else {
$m[] = self::MSG_DELETE_ERROR;
$m[] = $assessment->authorid;
$m[] = $assessment->reviewerid;
}
}
$m = implode('-', $m);
// serialize message object to be passed via URL
redirect($PAGE->url->out(false, array('m' => $m)));
}
break;
}
$result->set_status(workshopplus_allocation_result::STATUS_VOID);
return $result;
}
/**
* Executes the allocation
*
* @return workshopplus_allocation_result
*/
public function execute()
{
global $DB;
$result = new workshopplus_allocation_result($this);
// make sure the workshopplus itself is at the expected state
if ($this->workshopplus->phase != workshopplus::PHASE_SUBMISSION) {
$result->set_status(workshopplus_allocation_result::STATUS_FAILED, get_string('resultfailedphase', 'workshopplusallocation_scheduled'));
return $result;
}
if (empty($this->workshopplus->submissionend)) {
$result->set_status(workshopplus_allocation_result::STATUS_FAILED, get_string('resultfaileddeadline', 'workshopplusallocation_scheduled'));
return $result;
}
if ($this->workshopplus->submissionend > time()) {
$result->set_status(workshopplus_allocation_result::STATUS_VOID, get_string('resultvoiddeadline', 'workshopplusallocation_scheduled'));
return $result;
}
$current = $DB->get_record('workshopplusallocation_scheduled', array('workshopplusid' => $this->workshopplus->id, 'enabled' => 1), '*', IGNORE_MISSING);
if ($current === false) {
$result->set_status(workshopplus_allocation_result::STATUS_FAILED, get_string('resultfailedconfig', 'workshopplusallocation_scheduled'));
return $result;
}
if (!$current->enabled) {
$result->set_status(workshopplus_allocation_result::STATUS_VOID, get_string('resultdisabled', 'workshopplusallocation_scheduled'));
return $result;
}
if (!is_null($current->timeallocated) and $current->timeallocated >= $this->workshopplus->submissionend) {
$result->set_status(workshopplus_allocation_result::STATUS_VOID, get_string('resultvoidexecuted', 'workshopplusallocation_scheduled'));
return $result;
}
// so now we know that we are after the submissions deadline and either the scheduled allocation was not
// executed yet or it was but the submissions deadline has been prolonged (and hence we should repeat the
// allocations)
$settings = workshopplus_random_allocator_setting::instance_from_text($current->settings);
$randomallocator = $this->workshopplus->allocator_instance('random');
$randomallocator->execute($settings, $result);
// store the result in the instance's table
$update = new stdClass();
$update->id = $current->id;
$update->timeallocated = $result->get_timeend();
$update->resultstatus = $result->get_status();
$update->resultmessage = $result->get_message();
$update->resultlog = json_encode($result->get_logs());
$DB->update_record('workshopplusallocation_scheduled', $update);
return $result;
}
