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MDL-60059 mod_workshop: Add drag and drop support to workshop events
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@rezaies
rezaies committed Mar 14, 2019
1 parent 07203d3 commit 7fb8632
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173 changes: 173 additions & 0 deletions mod/workshop/lib.php
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Expand Up @@ -1853,6 +1853,179 @@ function mod_workshop_core_calendar_provide_event_action(calendar_event $event,
);
}

/**
* This function calculates the minimum and maximum cutoff values for the timestart of
* the given event.
*
* It will return an array with two values, the first being the minimum cutoff value and
* the second being the maximum cutoff value. Either or both values can be null, which
* indicates there is no minimum or maximum, respectively.
*
* If a cutoff is required then the function must return an array containing the cutoff
* timestamp and error string to display to the user if the cutoff value is violated.
*
* A minimum and maximum cutoff return value will look like:
* [
* [1505704373, 'The date must be after this date'],
* [1506741172, 'The date must be before this date']
* ]
*
* @param calendar_event $event The calendar event to get the time range for
* @param stdClass $workshop The module instance to get the range from
* @return array Returns an array with min and max date.
*/
function mod_workshop_core_calendar_get_valid_event_timestart_range(\calendar_event $event, \stdClass $workshop) : array {
$mindate = null;
$maxdate = null;

$phasesubmissionend = max($workshop->submissionstart, $workshop->submissionend);
$phaseassessmentstart = min($workshop->assessmentstart, $workshop->assessmentend);
if ($phaseassessmentstart == 0) {
$phaseassessmentstart = max($workshop->assessmentstart, $workshop->assessmentend);
}

switch ($event->eventtype) {
case WORKSHOP_EVENT_TYPE_SUBMISSION_OPEN:
if (!empty($workshop->submissionend)) {
$maxdate = [
$workshop->submissionend - 1, // The submissionstart and submissionend cannot be exactly the same.
get_string('submissionendbeforestart', 'mod_workshop')
];
} else if ($phaseassessmentstart) {
$maxdate = [
$phaseassessmentstart,
get_string('phasesoverlap', 'mod_workshop')
];
}
break;
case WORKSHOP_EVENT_TYPE_SUBMISSION_CLOSE:
if (!empty($workshop->submissionstart)) {
$mindate = [
$workshop->submissionstart + 1, // The submissionstart and submissionend cannot be exactly the same.
get_string('submissionendbeforestart', 'mod_workshop')
];
}
if ($phaseassessmentstart) {
$maxdate = [
$phaseassessmentstart,
get_string('phasesoverlap', 'mod_workshop')
];
}
break;
case WORKSHOP_EVENT_TYPE_ASSESSMENT_OPEN:
if ($phasesubmissionend) {
$mindate = [
$phasesubmissionend,
get_string('phasesoverlap', 'mod_workshop')
];
}
if (!empty($workshop->assessmentend)) {
$maxdate = [
$workshop->assessmentend - 1, // The assessmentstart and assessmentend cannot be exactly the same.
get_string('assessmentendbeforestart', 'mod_workshop')
];
}
break;
case WORKSHOP_EVENT_TYPE_ASSESSMENT_CLOSE:
if (!empty($workshop->assessmentstart)) {
$mindate = [
$workshop->assessmentstart + 1, // The assessmentstart and assessmentend cannot be exactly the same.
get_string('assessmentendbeforestart', 'mod_workshop')
];
} else if ($phasesubmissionend) {
$mindate = [
$phasesubmissionend,
get_string('phasesoverlap', 'mod_workshop')
];
}
break;
}

return [$mindate, $maxdate];
}

/**
* This function will update the workshop module according to the
* event that has been modified.
*
* @param \calendar_event $event
* @param stdClass $workshop The module instance to get the range from
*/
function mod_workshop_core_calendar_event_timestart_updated(\calendar_event $event, \stdClass $workshop) : void {
global $DB;

$courseid = $event->courseid;
$modulename = $event->modulename;
$instanceid = $event->instance;

// Something weird going on. The event is for a different module so
// we should ignore it.
if ($modulename != 'workshop') {
return;
}

if ($workshop->id != $instanceid) {
return;
}

if (!in_array(
$event->eventtype,
[
WORKSHOP_EVENT_TYPE_SUBMISSION_OPEN,
WORKSHOP_EVENT_TYPE_SUBMISSION_CLOSE,
WORKSHOP_EVENT_TYPE_ASSESSMENT_OPEN,
WORKSHOP_EVENT_TYPE_ASSESSMENT_CLOSE
]
)) {
return;
}

$coursemodule = get_fast_modinfo($courseid)->instances[$modulename][$instanceid];
$context = context_module::instance($coursemodule->id);

// The user does not have the capability to modify this activity.
if (!has_capability('moodle/course:manageactivities', $context)) {
return;
}

$modified = false;

switch ($event->eventtype) {
case WORKSHOP_EVENT_TYPE_SUBMISSION_OPEN:
if ($event->timestart != $workshop->submissionstart) {
$workshop->submissionstart = $event->timestart;
$modified = true;
}
break;
case WORKSHOP_EVENT_TYPE_SUBMISSION_CLOSE:
if ($event->timestart != $workshop->submissionend) {
$workshop->submissionend = $event->timestart;
$modified = true;
}
break;
case WORKSHOP_EVENT_TYPE_ASSESSMENT_OPEN:
if ($event->timestart != $workshop->assessmentstart) {
$workshop->assessmentstart = $event->timestart;
$modified = true;
}
break;
case WORKSHOP_EVENT_TYPE_ASSESSMENT_CLOSE:
if ($event->timestart != $workshop->assessmentend) {
$workshop->assessmentend = $event->timestart;
$modified = true;
}
break;
}

if ($modified) {
$workshop->timemodified = time();
// Persist the assign instance changes.
$DB->update_record('workshop', $workshop);
$event = \core\event\course_module_updated::create_from_cm($coursemodule, $context);
$event->trigger();
}
}

////////////////////////////////////////////////////////////////////////////////
// Course reset API //
////////////////////////////////////////////////////////////////////////////////
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