Subject CRUD

2026-04-18 15:26:04 +03:00
parent d2e5cc8b2b
commit 0550ffe923
11 changed files with 557 additions and 36 deletions
@@ -0,0 +1,34 @@
+<?php
+require_once(__DIR__ . '/../../ajax/auth_check.php');
+header('Content-Type: application/json');
+require_once(__DIR__ . '/../../../class/db-functions.php');
+
+try {
+    $db = DBHandlerSelect::getInstance();
+    $pdo = $db->getConnection();
+
+    $id = isset($_POST['id']) && is_numeric($_POST['id']) ? (int)$_POST['id'] : 0;
+    if ($id <= 0) {
+        echo json_encode(['success' => false, 'message' => 'ID non valido.']);
+        exit;
+    }
+
+    $stmt = $pdo->prepare("SELECT COUNT(*) FROM scad_deadlines WHERE subject_id = ?");
+    $stmt->execute([$id]);
+    $inUse = (int)$stmt->fetchColumn();
+
+    if ($inUse > 0) {
+        echo json_encode([
+            'success' => false,
+            'message' => "Impossibile eliminare: l'argomento è utilizzato in $inUse scadenz" . ($inUse === 1 ? 'a' : 'e') . '.',
+        ]);
+        exit;
+    }
+
+    $pdo->prepare("DELETE FROM scad_subjects WHERE id = ?")->execute([$id]);
+
+    echo json_encode(['success' => true, 'message' => 'Argomento eliminato.']);
+
+} catch (Exception $e) {
+    echo json_encode(['success' => false, 'message' => 'Errore: ' . $e->getMessage()]);
+}
@@ -0,0 +1,59 @@
+<?php
+require_once(__DIR__ . '/../../ajax/auth_check.php');
+header('Content-Type: application/json');
+require_once(__DIR__ . '/../../../class/db-functions.php');
+
+try {
+    $db = DBHandlerSelect::getInstance();
+    $pdo = $db->getConnection();
+
+    $id    = isset($_POST['id']) && is_numeric($_POST['id']) ? (int)$_POST['id'] : null;
+    $name  = trim($_POST['name'] ?? '');
+    $color = trim($_POST['color'] ?? '');
+
+    if ($name === '') {
+        echo json_encode(['success' => false, 'message' => 'Il nome è obbligatorio.']);
+        exit;
+    }
+    if (mb_strlen($name) > 100) {
+        echo json_encode(['success' => false, 'message' => 'Il nome supera 100 caratteri.']);
+        exit;
+    }
+    if (!preg_match('/^#[0-9A-Fa-f]{6}$/', $color)) {
+        $color = '#6c757d';
+    }
+
+    // Uniqueness check
+    if ($id) {
+        $stmt = $pdo->prepare("SELECT id FROM scad_subjects WHERE name = ? AND id <> ?");
+        $stmt->execute([$name, $id]);
+    } else {
+        $stmt = $pdo->prepare("SELECT id FROM scad_subjects WHERE name = ?");
+        $stmt->execute([$name]);
+    }
+    if ($stmt->fetch()) {
+        echo json_encode(['success' => false, 'message' => 'Esiste già un argomento con questo nome.']);
+        exit;
+    }
+
+    if ($id) {
+        $stmt = $pdo->prepare("UPDATE scad_subjects SET name = ?, color = ? WHERE id = ?");
+        $stmt->execute([$name, $color, $id]);
+        $savedId = $id;
+    } else {
+        $stmt = $pdo->prepare("INSERT INTO scad_subjects (name, color) VALUES (?, ?)");
+        $stmt->execute([$name, $color]);
+        $savedId = (int)$pdo->lastInsertId();
+    }
+
+    echo json_encode([
+        'success' => true,
+        'message' => $id ? 'Argomento aggiornato.' : 'Argomento creato.',
+        'id'      => $savedId,
+        'name'    => $name,
+        'color'   => $color,
+    ]);
+
+} catch (Exception $e) {
+    echo json_encode(['success' => false, 'message' => 'Errore: ' . $e->getMessage()]);
+}