Optimize HTTP calls

flutter/lib/utils/http_service.dart

@@ -7,21 +7,65 @@ enum HttpMethod { get, post, put, delete }
 
 class HttpService {
   Future<http.Response> sendRequest(
-      String url,
-      HttpMethod method, {
-        Map<String, String>? headers,
-        dynamic body,
-      }) async {
+    String url,
+    HttpMethod method, {
+    Map<String, String>? headers,
+    dynamic body,
+  }) async {
     headers ??= {'Content-Type': 'application/json'};
     String headersJson = jsonEncode(headers);
     String methodName = method.toString().split('.').last;
 
-    await bind.mainHttpRequest(url: url, method: methodName.toLowerCase(), body: body, header: headersJson);
+    // Determine if there is currently a proxy setting, and if so, use FFI to call the Rust HTTP method.
+    final isProxy = await bind.mainGetProxyStatus();
+
+    if (!isProxy) {
+      return await _pollFultterHttp(url, method, headers: headers, body: body);
+    }
+
+    if (body is! String) {
+      throw Exception('Unsupported HTTP body type');
+    }
+
+    await bind.mainHttpRequest(
+        url: url,
+        method: methodName.toLowerCase(),
+        body: body,
+        header: headersJson);
 
     var resJson = await _pollForResponse();
     return _parseHttpResponse(resJson);
   }
 
+  Future<http.Response> _pollFultterHttp(
+    String url,
+    HttpMethod method, {
+    Map<String, String>? headers,
+    dynamic body,
+  }) async {
+    var response = http.Response('', 400); // 默认响应
+    Uri uri = Uri.parse(url);
+
+    switch (method) {
+      case HttpMethod.get:
+        response = await http.get(uri, headers: headers);
+        break;
+      case HttpMethod.post:
+        response = await http.post(uri, headers: headers, body: body);
+        break;
+      case HttpMethod.put:
+        response = await http.put(uri, headers: headers, body: body);
+        break;
+      case HttpMethod.delete:
+        response = await http.delete(uri, headers: headers, body: body);
+        break;
+      default:
+        throw Exception('Unsupported HTTP method');
+    }
+
+    return response;
+  }
+
   Future<String> _pollForResponse() async {
     String responseJson = await bind.mainGetAsyncStatus();
     while (responseJson == " ") {
@@ -45,4 +89,26 @@ class HttpService {
       throw Exception('Failed to parse response: $e');
     }
   }
-}
+}
+
+Future<http.Response> get(String url, {Map<String, String>? headers}) async {
+  return await HttpService().sendRequest(url, HttpMethod.get, headers: headers);
+}
+
+Future<http.Response> post(String url,
+    {Map<String, String>? headers, Object? body, Encoding? encoding}) async {
+  return await HttpService()
+      .sendRequest(url, HttpMethod.post, body: body, headers: headers);
+}
+
+Future<http.Response> put(String url,
+    {Map<String, String>? headers, Object? body, Encoding? encoding}) async {
+  return await HttpService()
+      .sendRequest(url, HttpMethod.put, body: body, headers: headers);
+}
+
+Future<http.Response> delete(String url,
+    {Map<String, String>? headers, Object? body, Encoding? encoding}) async {
+  return await HttpService()
+      .sendRequest(url, HttpMethod.delete, body: body, headers: headers);
+}