/**
* Validate competency ID.
*
* @param int $value ID.
* @return true|lang_string
*/
protected function validate_competencyid($value)
{
if (!competency::record_exists($value)) {
return new lang_string('invaliddata', 'error');
}
return true;
}
/**
* Validate related competency ID.
*
* @param int $data The related competency ID.
* @return true|lang_string
*/
protected function validate_relatedcompetencyid($data)
{
if ($this->get_competencyid() == $data) {
// A competency cannot be related to itself.
return new lang_string('invaliddata', 'error');
}
if ($this->get_competencyid() > $data) {
// The competency ID must be lower than the related competency ID.
return new lang_string('invaliddata', 'error');
} else {
if (!competency::record_exists($data)) {
return new lang_string('invaliddata', 'error');
} else {
if (!competency::share_same_framework(array($data, $this->get_competencyid()))) {
// The competencies must belong to the same framework.
return new lang_string('invaliddata', 'error');
}
}
}
return true;
}
public function test_delete_framework_competency_used_in_course()
{
$this->resetAfterTest(true);
$dg = $this->getDataGenerator();
$lpg = $dg->get_plugin_generator('core_competency');
$this->setAdminUser();
$cat1 = $dg->create_category();
$u1 = $dg->create_user();
$course = $dg->create_course(array('category' => $cat1->id));
$f1 = $lpg->create_framework();
$c1 = $lpg->create_competency(array('competencyframeworkid' => $f1->get_id()));
$c2 = $lpg->create_competency(array('competencyframeworkid' => $f1->get_id()));
$c2id = $c2->get_id();
$c1a = $lpg->create_competency(array('competencyframeworkid' => $f1->get_id(), 'parentid' => $c1->get_id()));
$c1b = $lpg->create_competency(array('competencyframeworkid' => $f1->get_id(), 'parentid' => $c1a->get_id()));
$c11b = $lpg->create_competency(array('competencyframeworkid' => $f1->get_id(), 'parentid' => $c1b->get_id()));
$c12b = $lpg->create_competency(array('competencyframeworkid' => $f1->get_id(), 'parentid' => $c1b->get_id()));
// Create related competencies.
$rc = $lpg->create_related_competency(array('competencyid' => $c2->get_id(), 'relatedcompetencyid' => $c11b->get_id()));
$this->assertEquals($c11b->get_id(), $rc->get_relatedcompetencyid());
// Creating a standard evidence with minimal information.
$uc1 = $lpg->create_user_competency(array('userid' => $u1->id, 'competencyid' => $c11b->get_id()));
$usercompetencyid = $uc1->get_id();
$evidence = $lpg->create_evidence(array('usercompetencyid' => $usercompetencyid));
$this->assertEquals($uc1->get_id(), $evidence->get_usercompetencyid());
$uc1->delete();
// Add competency to course.
$cc = $lpg->create_course_competency(array('courseid' => $course->id, 'competencyid' => $c11b->get_id()));
// We can not delete a framework if the competency or competencies children is linked to a course.
$this->assertFalse(api::delete_framework($f1->get_id()));
// Check that none of associated data are deleted.
$this->assertEquals($usercompetencyid, $evidence->read()->get_usercompetencyid());
$this->assertEquals($c2->get_id(), $rc->read()->get_competencyid());
// We can delete the framework if we remove the competency from course.
$cc->delete();
$this->assertTrue(api::delete_framework($f1->get_id()));
$this->assertFalse(competency::record_exists($c1->get_id()));
$this->assertFalse(competency::record_exists($c2->get_id()));
$this->assertFalse(competency::record_exists($c1a->get_id()));
$this->assertFalse(competency::record_exists($c1b->get_id()));
$this->assertFalse(competency::record_exists($c11b->get_id()));
$this->assertFalse(competency::record_exists($c12b->get_id()));
// Check if evidence are also deleted.
$this->assertEquals(0, \core_competency\user_evidence_competency::count_records(array('competencyid' => $c11b->get_id())));
// Check if related conpetency relation is deleted.
$this->assertEquals(0, count(\core_competency\related_competency::get_multiple_relations(array($c2id))));
}
