refactor: University Students Pagination

api/university/stats.php

@@ -24,25 +24,48 @@ INNER JOIN (
         university_id
 ) counts ON uni.university_id = counts.university_id";
 
+$query1 = "SELECT count(*) AS count FROM
+university uni
+INNER JOIN student s ON uni.university_id = s.university_id
+INNER JOIN user u ON s.user_id = u.user_id
+INNER JOIN (
+    SELECT
+        university_id,
+        COUNT(*) AS applicant_count
+    FROM
+        student
+    GROUP BY
+        university_id
+) counts ON uni.university_id = counts.university_id";
+
+
 $whereClauses = [];
 $params = [];
+$params1 = [];
 $types = "";
+$types1 = "";
 
 if(isset($_GET["uid"]) && $_GET['uid'] != NULL){
     $whereClauses[] = " uni.university_id = ? ";
     $params[] = $_GET['uid'];
+    $params1[] = $_GET['uid'];
     $types .= 'i';
+    $types1 .= "i";
 }
 
-if(isset($_GET["name"]) && ($_GET['name'] != NULL || $_GET['name'] == "undefined") ){
+if(isset($_GET["name"]) && ($_GET['name'] != NULL || $_GET['name'] != "undefined") ){
     $whereClauses[] = ' u.name LIKE ? ';
     $params[] = "%".$_GET['name']."%";
     $types .= 's';
+    $params1[] = "%".$_GET['name']."%";
+    $types1 .= 's';
 }
 
 if($whereClauses != NULL){
     $query .= ' WHERE '.implode(" AND ", $whereClauses);
+    $query1 .= ' WHERE '.implode(" AND ", $whereClauses);
 }
+
 if(isset($_GET["currentpage"]) && $_GET["currentpage"] != NULL){
     $query .= "LIMIT ? OFFSET ?";
     $offset = ($_GET['currentpage'] - 1) * $_GET['itemsperpage'];
@@ -58,5 +81,18 @@ if($types != ''){
 $result = mysqli_stmt_execute($stmt);
 $row = mysqli_fetch_all(mysqli_stmt_get_result($stmt), MYSQLI_ASSOC);
 
-echo json_encode($row);
+$stmt1 = $db->setSTMT($query1);
+if($types != ''){
+    mysqli_stmt_bind_param($stmt1, $types1, ...$params1);
+}
+$result = mysqli_stmt_execute($stmt1);
+$total = mysqli_fetch_all(mysqli_stmt_get_result($stmt1), MYSQLI_ASSOC);
+
+$response = [
+    'data' => $row,
+    'currentPage' => isset($_GET["currentpage"])?$_GET["currentpage"] : 0,
+    'total' => $total[0]["count"],
+];
+
+echo json_encode($response);
 ?>
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