Initial commit: 교육 프로젝트 배포

2026-07-01 18:32:42 +09:00
commit be6dccd120
1483 changed files with 5082202 additions and 0 deletions
@@ -0,0 +1,65 @@
+<?php
+require __DIR__ . '/../../bbs/db_conn.php';
+
+// PDO 연결 생성
+$pdo = db_conn();
+
+header('Content-Type: application/json; charset=utf-8');
+
+if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
+    echo json_encode(['success' => false, 'message' => '잘못된 요청입니다.']);
+    exit;
+}
+
+$content_id = isset($_POST['content_id']) ? trim($_POST['content_id']) : '';
+
+if ($content_id === '') {
+    echo json_encode(['success' => false, 'message' => '콘텐츠 ID가 필요합니다.']);
+    exit;
+}
+
+try {
+    // 1. 제약사항 검사: 학습이력(edu_learning_histories) 또는 찜목록(edu_content_wishlist) 확인
+    $check_stmt = $pdo->prepare("
+        SELECT 
+            (SELECT COUNT(*) FROM edu_learning_histories WHERE content_id = :content_id1) as history_count,
+            (SELECT COUNT(*) FROM edu_content_wishlist WHERE content_id = :content_id2) as wishlist_count
+    ");
+    $check_stmt->execute([
+        ':content_id1' => $content_id,
+        ':content_id2' => $content_id
+    ]);
+    $check_result = $check_stmt->fetch(PDO::FETCH_ASSOC);
+
+    if ($check_result['history_count'] > 0 || $check_result['wishlist_count'] > 0) {
+        echo json_encode(['success' => false, 'message' => '학습이력이나 찜 목록에 존재하는 콘텐츠는 삭제할 수 없습니다.']);
+        exit;
+    }
+
+    // 2. 연관 데이터 삭제를 위한 트랜잭션 시작
+    $pdo->beginTransaction();
+
+    // 키워드 삭제
+    $stmt_keywords = $pdo->prepare("DELETE FROM edu_content_keywords WHERE content_id = :content_id");
+    $stmt_keywords->execute([':content_id' => $content_id]);
+
+    // 포스트잇(메모) 삭제
+    $stmt_memos = $pdo->prepare("DELETE FROM edu_content_memos WHERE content_id = :content_id");
+    $stmt_memos->execute([':content_id' => $content_id]);
+
+    // 본 콘텐츠 삭제
+    $stmt_content = $pdo->prepare("DELETE FROM edu_contents WHERE content_id = :content_id");
+    $stmt_content->execute([':content_id' => $content_id]);
+
+    // 3. 트랜잭션 커밋
+    $pdo->commit();
+
+    echo json_encode(['success' => true]);
+} catch (PDOException $e) {
+    // 오류 발생 시 롤백
+    if ($pdo->inTransaction()) {
+        $pdo->rollBack();
+    }
+    echo json_encode(['success' => false, 'message' => '삭제 실패: ' . $e->getMessage()]);
+}
+