public function GradeTest()
{
include APPPATH . 'models\\Helper\\Grade.php';
//Test 1
$grade_1 = new Grade('A+');
$expected_result = true;
$this->unit->run($grade_1->passed('C+'), $expected_result, 'Grade A- passed course grade of C+.');
//Test 2
$grade_1 = new Grade('D+');
$expected_result = false;
$this->unit->run($grade_1->passed('C+'), $expected_result, 'Grade D- failed course grade of C+.');
//Test 3
$grade_1 = new Grade('');
$expected_result = true;
$this->unit->run($grade_1->passed('C+'), $expected_result, 'Empty Grade (Pending Grade), conditional pass.');
//Test 3
$grade_1 = new Grade('D-');
$expected_result = true;
$this->unit->run($grade_1->passed('D-'), $expected_result, 'Grade D- passed course grade of D-.');
echo $this->unit->report();
}
/**
* Checks if the current student has completed the course.
*
* @param $course_id
* @return bool
* @throws Exception
*/
public function is_complete($course_id)
{
$passing_grade = $this->course->getPassingGrade($course_id);
$grades = $this->db->query("\n\t\t\tSELECT\n\t\t\t registered.grade\n\t\t\tFROM registered\n\t\t\t INNER JOIN sections\n\t\t\t\tON registered.section_id = sections.id\n\t\t\t INNER JOIN semesters\n\t\t\t\tON sections.semester_id = semesters.id\n\t\t\tWHERE sections.course_id = '{$course_id}' AND semesters.id < '{$this->semester_id}' AND registered.student_id = '{$this->student_id}'")->result();
foreach ($grades as $grade) {
if (!$grade->grade) {
return TRUE;
}
$mark = new Grade($grade->grade);
if ($mark->passed($passing_grade)) {
}
return TRUE;
}
return FALSE;
}
/**
* Determines if a course is completed with passing grade or going to be completed.
*
* @param $course_id - the course id to compare with.
* @param $allGrades - the lists of all grades with all courses.
* @return bool - returns true if he has completed the course.
* @throws Exception - Throws exception if invalid grade, shouldn't happen however.
*/
private function isCompleted($course_id, $allGrades)
{
foreach ($allGrades as $value) {
if ($value->course_id == $course_id) {
//
$grade = new Grade($value->grade);
if ($grade->passed($value->passing_grade)) {
return true;
}
}
}
return false;
}