v2.2更新

frontend/api/check_upgrade.php

@@ -1,7 +1,6 @@
 <?php
 /**
- * 检查数据库版本是否需要升级
- * 返回 JSON: {needs_upgrade: bool, current: string, target: string}
+ * 检查数据库版本是否需要升级（代理至后端 API）
  */
 
 require_once __DIR__ . '/../config.php';
@@ -20,84 +19,43 @@ if ($role !== '班主任') {
     exit();
 }
 
-// 读取后端 .env 获取数据库配置
-$envPath = __DIR__ . '/../../backend/.env';
-if (!file_exists($envPath)) {
-    echo json_encode(['error' => '数据库配置文件不存在']);
+// 从 session 获取 JWT token
+$token = $_SESSION['jwt_token'] ?? '';
+if (empty($token)) {
+    echo json_encode(['error' => '会话已过期，请重新登录']);
     exit();
 }
 
-$lines = file($envPath, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
-$dbConfig = [];
-foreach ($lines as $line) {
-    $line = trim($line);
-    if ($line === '' || strpos($line, '#') === 0) {
-        continue;
-    }
-    if (strpos($line, '=') !== false) {
-        list($key, $value) = explode('=', $line, 2);
-        $dbConfig[trim($key)] = trim($value);
-    }
+// 调用后端 API
+$apiUrl = API_BASE_URL . '/api/upgrade/check';
+
+$ch = curl_init();
+curl_setopt_array($ch, [
+    CURLOPT_URL => $apiUrl,
+    CURLOPT_RETURNTRANSFER => true,
+    CURLOPT_TIMEOUT => API_TIMEOUT,
+    CURLOPT_HTTPHEADER => [
+        'Authorization: Bearer ' . $token,
+        'Content-Type: application/json'
+    ],
+    CURLOPT_SSL_VERIFYPEER => false,
+    CURLOPT_SSL_VERIFYHOST => 0
+]);
+
+$apiResponse = curl_exec($ch);
+$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+curl_close($ch);
+
+if ($httpCode !== 200 || empty($apiResponse)) {
+    echo json_encode(['error' => '无法连接升级服务']);
+    exit();
 }
 
-$required = ['DB_HOST', 'DB_PORT', 'DB_USER', 'DB_PASSWORD', 'DB_NAME'];
-foreach ($required as $key) {
-    if (!isset($dbConfig[$key]) || $dbConfig[$key] === '') {
-        echo json_encode(['error' => "缺少数据库配置: {$key}"]);
-        exit();
-    }
+$result = json_decode($apiResponse, true);
+if (!$result || !isset($result['success']) || !$result['success']) {
+    echo json_encode(['error' => $result['message'] ?? '升级检查失败']);
+    exit();
 }
 
-try {
-    $dsn = "mysql:host={$dbConfig['DB_HOST']};port={$dbConfig['DB_PORT']};dbname={$dbConfig['DB_NAME']};charset=utf8mb4";
-    $pdo = new PDO($dsn, $dbConfig['DB_USER'], $dbConfig['DB_PASSWORD'], [
-        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
-    ]);
-
-    // 检测当前版本
-    $currentVersion = '0.0.0';
-    try {
-        $stmt = $pdo->query("SELECT setting_value FROM system_settings WHERE setting_key = 'db_version'");
-        $row = $stmt->fetch(PDO::FETCH_ASSOC);
-        if ($row) {
-            $currentVersion = $row['setting_value'];
-        }
-    } catch (PDOException $e) {
-        // 表不存在，使用默认值
-    }
-
-    // 读取目标版本
-    $versionFile = __DIR__ . '/../../VERSION';
-    if (!file_exists($versionFile)) {
-        echo json_encode(['error' => 'VERSION 文件不存在']);
-        exit();
-    }
-    $targetVersion = trim(file_get_contents($versionFile));
-
-    $needsUpgrade = version_compare($targetVersion, $currentVersion, '>');
-
-    $allVersions = [
-        '1.7'   => 'v1.7.sql',
-        '1.8'   => 'v1.8.sql',
-        '2.0'   => 'v2.0.sql',
-        '2.0.1' => 'v2.0.1.sql',
-        '2.1'   => 'v2.1.sql',
-    ];
-    $steps = [];
-    foreach ($allVersions as $version => $file) {
-        if (version_compare($version, $currentVersion, '>') &&
-            version_compare($version, $targetVersion, '<=')) {
-            $steps[] = ['version' => $version, 'file' => $file];
-        }
-    }
-    usort($steps, function($a, $b) { return version_compare($a['version'], $b['version']); });
-
-    echo json_encode([
-        'needs_upgrade' => $needsUpgrade,
-        'current' => $currentVersion,
-        'target' => $targetVersion,
-        'steps' => $steps
-    ]);
-} catch (PDOException $e) {
-    echo json_encode(['error' => '数据库连接失败: ' . $e->getMessage()]);
-}
+// 转发后端返回的升级数据
+echo json_encode($result['data']);