The limit is how many we will query, and also how many will appear on the page at one time.

File

modules/student_search/student_search.module, line 1591

Code

function student_search_query_advisees($sql, $params = array(), $limit = 20, $bool_only_return_adv_array = FALSE) {

  $db = get_global_database_handler();

  $rank_in = "( '" . join("', '", csv_to_array(variable_get("allowed_student_ranks", ''))) . "' )";
  $order_by = "";

  if (!$bool_only_return_adv_array) {
    $table_headers = student_search_get_advisee_table_headers();
    // Set our initial sort, if none is already set.   
    theme_table_header_sortable_set_initial_sort('l_name', 'ASC');
    // Get our order by clause based on selected table header, if any.    
    $order_by = theme_table_header_sortable_order_by($table_headers);
  }


  // Replace the replacement portion with our derrived variables.
  $sql = str_replace("%RANKIN%", $rank_in, $sql);
  $sql = str_replace("%ORDERBY%", $order_by, $sql); // now handled by the table header sortable function

  // By default, the extra_studentsearch_conditions will be adding nothing to the query.  But, the user may override this
  // in the settings.
  $extra_student_search_conditions = variable_get("extra_student_search_conditions", "");

  $sql = str_replace("%EXTRA_STUDENTSEARCH_CONDITIONS%", $extra_student_search_conditions, $sql);


  // Returns an array of all of this teacher's advisees.
  $rtn_array = array();
  $r = 0;

  $faculty_advisees = advise_get_advisees();

  //$result = db_query($sql, $params);

  // Now, we are going to search for these students, in the form of a pager query.
  $result = pager_query($sql, $params, $limit, 0, NULL, "SELECT COUNT(DISTINCT(u.cwid))");
  while ($cur = db_fetch_array($result)) 
   {

    $student_id = trim($cur ["cwid"]);

    // If this user does NOT have the "view any advising session" and DOES have the "view advisee advising sessions only",
    // then see if this student is in their advisees list before continuing.
    if (!user_has_permission("view_any_advising_session") && user_has_permission("view_advisee_advising_session")) {
      if (!in_array($student_id, $faculty_advisees)) {
        // Nope, this student is NOT one of their advisees!  Skip it.
        continue;
      }
    }

    $rtn_array [$student_id]["student_id"] = $student_id;
    $rtn_array [$student_id]["school_id"] = intval($cur ['school_id']);
    $rtn_array [$student_id]["first_name"] = ucwords(strtolower($cur ["f_name"]));
    $rtn_array [$student_id]["last_name"] = ucwords(strtolower($cur ["l_name"]));
    $rtn_array [$student_id]["rank"] = $cur ["rank_code"];
    $rtn_array [$student_id]["catalog_year"] = $cur ["catalog_year"];
    $rtn_array [$student_id]["priority_value"] = $cur ["priority_value"];
    //$rtn_array[$r]["major"] = $cur["major_code"];
    // Need to get the major_code_csv for this student.
    // Are there more majors for this user?
    $major = "";
    // Get a CSV of this student's majors
    $major = fp_get_student_majors($student_id, TRUE, FALSE, FALSE);

    $rtn_array [$student_id]["major"] = $major;



    // We should also mark if the student has been advised for this semester
    // or not.

    // Get the current default advising term id.
    $term_id = variable_get_for_school("advising_term_id", "", $cur ['school_id']);


    $advised_image = "";
    $advising_session_id = "";
    $res2 = db_query("SELECT * FROM advising_sessions WHERE
                      student_id = ? AND
                      term_id = ?                      
               AND is_draft = 0 
               AND is_empty = 0
               AND delete_flag = 0
              ORDER BY posted DESC", $student_id, $term_id);
    if (db_num_rows($res2) > 0) {
      $cur = db_fetch_array($res2);

      $advised_image = "<img src='" . fp_theme_location() . "/images/small_check.gif' class='advisedImage'>";

      if ($cur ["is_whatif"] == "1") 
       { // Last advising was a What If advising.
        $advised_image = "<span title='This student was last advised in What If mode.'><img src='" . fp_theme_location() . "/images/small_check.gif'><sup>wi</sup></span>";
        $db_major_code_csv = $cur ["major_code_csv"];
        $rtn_array [$student_id]["what_if_major_code"] = $db_major_code_csv;
        // Capture the catalog year that was saved with what_if
        $rtn_array [$student_id]["what_if_catalog_year"] = $cur ["catalog_year"];
        $rtn_array [$student_id]["last_advised_what_if"] = TRUE;

      }
    }


    $rtn_array [$student_id]["advising_session_id"] = $advising_session_id;
    $rtn_array [$student_id]["advised_image"] = $advised_image;

    $r++;
  }


  return $rtn_array;
}