File

classes/_Group.php, line 115

Class

_Group

Code

function load_group($bool_load_significant_only = true, $array_significant_courses = false, $bool_reload_missing_only = false) 
 {
  $group_id = $this->group_id;
  $this->load_descriptive_data();
  if ($this->db_delete_flag == 1) 
   {
    return;
  }


  $bool_significant_courses_empty = true;
  if (is_array($array_significant_courses)) 
   {
    $bool_significant_courses_empty = false;
  }

  if ($bool_reload_missing_only == true) 
   {
    // We are only going to load the *missing* courses from
    // this group.  So, begin by getting an array of what is
    // not missing.

    $array_group_requirement_ids = $this->list_courses->get_group_requirement_id_array();

    //var_dump($array_group_requirement_ids);

  }

  $table_name = "group_requirements";
  if ($this->bool_use_draft) {
    $table_name = "draft_$table_name";
  }

  $res = $this->db->db_query("SELECT * FROM $table_name
							WHERE group_id = '?'	", $this->group_id);
  while ($cur = $this->db->db_fetch_array($res)) 
   {

    $id = $cur ["id"];
    $course_id = $cur ["course_id"] * 1;


    if ($cur ["course_id"] * 1 > 0) 
     {
      if ($bool_load_significant_only == true && $bool_significant_courses_empty == false) 
       {
        // If this course_id is NOT in the array of significant courses
        // (that the student took or has transfer credit or subs for)
        // then skip it.  Never add it to the group.
        if ($array_significant_courses [$cur ["course_id"]] != true) 
         { // course was not in there, so skip!
          continue;
        }


      }


      // A course is the next requirement.
      for ($t = 0; $t <= $cur ["course_repeats"]; $t++) 
       { // Add in the specified repeats for this group...
        // This will usually only go through the loop once.

        $use_id = $id . "_rep_$t";

        if ($bool_reload_missing_only == true) 
         {
          // Only load this course if it is missing from the group.
          // Read the reload_missing_courses() method for an explanation
          // of why we should want to do this.
          // Basically, check all the courses in the current
          // list_courses object for a db_group_requirement_id of $id.
          // Only proceed if $id was NOT found.

          if ($array_group_requirement_ids [$use_id] == true) 
           {
            continue;
          }
        }

        $course_c = new Course();
        $course_c->bool_use_draft = $this->bool_use_draft;
        $course_c->course_id = $cur ["course_id"];
        $course_c->db_group_requirement_id = $use_id;
        $course_c->db = $this->db;
        $course_c->catalog_year = $this->catalog_year;
        $course_c->assigned_to_group_id = $group_id;
        $course_c->assigned_to_semester_num = $this->assigned_to_semester_num;

        $course_c->specified_repeats = $cur ["course_repeats"];
        if ($cur ["course_repeats"] > 0) 
         {
          $course_c->bool_specified_repeat = true;
        }

        $course_c->min_grade = trim(strtoupper($cur ["course_min_grade"]));
        if ($course_c->min_grade == "") 
         { // By default, all courses have a
          // min grade requirement of D.
          $course_c->min_grade = "D";
        }


        $this->list_courses->add($course_c);
      }


    }

    if ($cur ["child_group_id"] * 1 > 0) 
     {
      // Another group is the next requirement (its a branch)
      if ($bool_reload_missing_only == true) 
       { // Since we are reloading courses, this subgroup is already
        // part of this group, so do not re-create it, just find it
        // and reload it's missing courses.
        $temp_g = new Group();
        $temp_g->bool_use_draft = $this->bool_use_draft;
        $temp_g->group_id = $cur ["child_group_id"];
        if ($group_g = $this->list_groups->find_match($temp_g)) 
         {
          $group_g->reload_missing_courses();
        }
        else {
          fpm("could not find sub group to reload!");
        }
      }
      else {
        // This is a brand-new sub group, so create it
        // and add it to this group.
        $group_g = new Group($cur ["child_group_id"], null, $this->assigned_to_semester_num, $array_significant_courses, $this->bool_use_draft);
        $this->list_groups->add($group_g);
      }
    }
  }

}