4.x _DegreePlan.php	_DegreePlan::find_courses($course_id, $group_id = 0, $semester_num)
5.x _DegreePlan.php	_DegreePlan::find_courses($course_id, $group_id = 0, $semester_num, $degree_id = 0)

If degree_id != 0, then we will remove any course from the finished list that is NOT in the degree plan. 0 means "give me all of matches back"

File

classes/_DegreePlan.php, line 1265

Class

_DegreePlan

Code

function find_courses($course_id, $group_id = 0, $semester_num, $degree_id = 0) 
 {
  // This will locate a course within the degree plan, and return
  // back either that course object, or FALSE.
  $new_course = new Course($course_id);
  $new_semester = new Semester($semester_num);
  $rtn_course_list = new CourseList();

  // Okay, if the course is within a group, then
  // we can first use the find_group method.
  if ($group_id != "" && $group_id != 0) 
   {
    if ($group = $this->find_group($group_id)) 
     {

      if (!($group->list_courses->is_empty)) 
       {
        if ($cL = $group->find_courses($new_course)) 
         {

          $rtn_course_list->add_list($cL);

        }
      }
      if (!($group->list_groups->is_empty)) 
       {
        // Look within each sub group for the course...
        $group->list_groups->reset_counter();
        while ($group->list_groups->has_more()) 
         {
          $branch = $group->list_groups->get_next();
          if (!$branch->list_courses->is_empty) 
           {
            if ($cL = $branch->find_courses($new_course)) 
             {
              $rtn_course_list->add_list($cL);
            }
          }
          // Here we can look for groups within groups...

        }
      }
    }

    return $rtn_course_list;

  }
  else if ($semester_num != -1) {
    // No group specified.  This course is on the
    // bare degree plan.  We were given a specific semester,
    // so try to find it there...
    if ($semester = $this->list_semesters->find_match($new_semester)) 
     {

      if ($cL = $semester->list_courses->find_all_matches($new_course)) 
       {

        if ($degree_id != 0) {
          // Trim $cL of any courses NOT in our supplied degree_id.
          $cL->remove_courses_not_in_degree($degree_id);
          if ($cL->get_size() == 0) {
            return FALSE; // we removed them all!
          }
        }

        $rtn_course_list->add_list($cL);
        return $rtn_course_list;
      }
    }

  }
  else if ($semester_num == -1) 
   {
    // Meaning, we do not know which semester it goes in, so
    // attempt all semesters, and return with the first instance.
    $this->list_semesters->reset_counter();
    while ($this->list_semesters->has_more()) 
     {
      $sem = $this->list_semesters->get_next();
      if ($cL = $sem->list_courses->find_all_matches($new_course)) 
       {
        $rtn_course_list->add_list($cL);
        return $rtn_course_list;
      }

    }
  }

  return FALSE;


}