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2026-07-13 15:23:29 +08:00
commit 50885a98c8
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+<?php
+
+namespace Modules\SystemTool\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\Crypt;
+use Illuminate\Support\Facades\DB;
+use Modules\SystemTool\Base\SettingsDefinition;
+use Modules\SystemTool\Enum\ESettingType;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * 全局中间件 — 从缓存加载 DB 应用设置到 config() 运行时
+ *
+ * 每次请求自动执行，确保 config('mail.*') / config('filesystems.*') 等
+ * 返回的是数据库中的值而非配置文件的默认值。
+ *
+ * 聚合缓存键名: SettingsDefinition::AGGREGATE_CACHE_KEY
+ * 在 SettingsDefinition::set() 写入时会自动清除该缓存，
+ * 使下一次请求重新从 DB 加载最新值。
+ */
+class LoadAppSettingsMiddleware
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  Closure(Request): (Response)  $next
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        // 从聚合缓存加载（rememberForever = 永不过期，仅 set() 时清除）
+        $settings = Cache::rememberForever(SettingsDefinition::AGGREGATE_CACHE_KEY, function () {
+            return $this->loadAllFromDB();
+        });
+
+        // 写入 Laravel config() 运行时
+        foreach ($settings as $key => $value) {
+            config([$key => $value]);
+        }
+
+        return $next($request);
+    }
+
+    /**
+     * 从数据库加载所有应用设置，按类型转换后返回 key → value 数组
+     */
+    protected function loadAllFromDB(): array
+    {
+        $rows = DB::table(SettingsDefinition::getTableName())->get();
+        $result = [];
+
+        foreach ($rows as $row) {
+            $result[$row->key] = match ((int) $row->type) {
+                ESettingType::String->value           => $row->s,
+                ESettingType::Bool->value             => is_null($row->n) ? null : (bool) $row->n,
+                ESettingType::Number->value           => is_null($row->n) ? null : (int) $row->n,
+                ESettingType::Array->value            => is_null($row->e) ? null : json_decode($row->e, true),
+                ESettingType::Object->value           => is_null($row->e) ? null : unserialize(base64_decode($row->e)),
+                ESettingType::EncryptedString->value  => is_null($row->e) ? null : Crypt::decrypt(base64_decode($row->e)),
+                default                               => $row->s ?? null,
+            };
+        }
+
+        return $result;
+    }
+}