Create ajax_handlers_inactives.php

easypay/ajax_handlers_inactives.php

@@ -0,0 +1,122 @@
+<?php
+/**
+ * AJAX Handlers
+ * Endpoints for student search and teller lookup
+ */
+
+require_once 'db_config.php';
+
+header('Content-Type: application/json');
+
+$action = $_GET['action'] ?? '';
+
+try {
+    switch ($action) {
+        case 'search_students':
+            searchStudents($pdo);
+            break;
+
+        case 'lookup_teller':
+            lookupTeller($pdo);
+            break;
+
+        default:
+            echo json_encode(['error' => 'Invalid action']);
+    }
+} catch (Exception $e) {
+    echo json_encode(['error' => $e->getMessage()]);
+}
+
+/**
+ * Search for students by name or student code
+ */
+function searchStudents($pdo)
+{
+    $search = $_GET['search'] ?? '';
+
+    if (strlen($search) < 2) {
+        echo json_encode([]);
+        return;
+    }
+
+    $sql = "SELECT 
+                id,
+                student_code,
+                CONCAT(last_name, ' ', first_name, ' ', COALESCE(other_name, '')) AS full_name
+            FROM tb_student_registrations
+            WHERE 
+		  admission_status = 'Active' -- New condition added here
+    		AND (
+        	    student_code LIKE :search1
+	            OR last_name LIKE :search2
+        	    OR first_name LIKE :search3
+        	    OR other_name LIKE :search4
+      		    OR CONCAT(last_name, ' ', first_name, ' ', COALESCE(other_name, '')) LIKE :search5
+    		)
+            ORDER BY last_name, first_name
+            LIMIT 20";
+
+    $stmt = $pdo->prepare($sql);
+    $searchParam = '%' . $search . '%';
+    $stmt->execute([
+        'search1' => $searchParam,
+        'search2' => $searchParam,
+        'search3' => $searchParam,
+        'search4' => $searchParam,
+        'search5' => $searchParam
+    ]);
+
+    $results = $stmt->fetchAll();
+    echo json_encode($results);
+}
+
+/**
+ * Lookup bank statement by teller number
+ */
+function lookupTeller($pdo)
+{
+    $tellerNumber = $_GET['teller_number'] ?? '';
+
+    if (empty($tellerNumber)) {
+        echo json_encode(['error' => 'Teller number is required']);
+        return;
+    }
+
+    // Query to find bank statement and calculate unreconciled amount
+    $sql = "SELECT
+                bs.id,
+                bs.description,
+                bs.amount_paid,
+                bs.payment_date,
+                COALESCE(fp.total_registered_fee, 0.00) AS registered_amount,
+                (bs.amount_paid - COALESCE(fp.total_registered_fee, 0.00)) AS unreconciled_amount
+            FROM tb_account_bank_statements bs
+            LEFT JOIN (
+                SELECT teller_no, SUM(amount_paid) AS total_registered_fee
+                FROM tb_account_school_fee_payments
+                GROUP BY teller_no
+            ) fp ON SUBSTRING_INDEX(bs.description, ' ', -1) = fp.teller_no
+            WHERE SUBSTRING_INDEX(bs.description, ' ', -1) = :teller_number
+            HAVING unreconciled_amount >= 0
+            LIMIT 1";
+
+    $stmt = $pdo->prepare($sql);
+    $stmt->execute(['teller_number' => $tellerNumber]);
+
+    $result = $stmt->fetch();
+
+    if (!$result) {
+        echo json_encode(['error' => 'Teller number not found or fully reconciled']);
+        return;
+    }
+
+    // Extract teller name (description without last token)
+    $descParts = explode(' ', $result['description']);
+    array_pop($descParts); // Remove teller number
+    $tellerName = implode(' ', $descParts);
+
+    $result['teller_name'] = $tellerName;
+    $result['teller_no'] = $tellerNumber;
+
+    echo json_encode($result);
+}