feat(http): implements doublelinked list for middlewares

packages/wyatt_http_client/lib/src/middleware_client.dart

@@ -17,33 +17,32 @@
 import 'dart:convert';
 
 import 'package:http/http.dart';
-import 'package:wyatt_http_client/src/middleware.dart';
+import 'package:wyatt_http_client/src/models/middleware_context.dart';
 import 'package:wyatt_http_client/src/models/middleware_request.dart';
 import 'package:wyatt_http_client/src/models/middleware_response.dart';
 import 'package:wyatt_http_client/src/models/unfreezed_request.dart';
 import 'package:wyatt_http_client/src/pipeline.dart';
+import 'package:wyatt_http_client/src/utils/http_methods.dart';
 
 class MiddlewareClient extends BaseClient {
   final Client inner;
-  final Middleware middleware;
   final Pipeline pipeline;
 
-  MiddlewareClient(
-    this.pipeline, {
-    Middleware? middleware,
+  MiddlewareClient({
+    Pipeline? pipeline,
     Client? inner,
-  })  : inner = inner ?? Client(),
-        middleware = middleware ?? pipeline.middleware {
-    this.middleware.setClient(this);
+  })  : pipeline = pipeline ?? Pipeline(),
+        inner = inner ?? Client() {
+    this.pipeline.setClient(this);
   }
 
   @override
   Future<Response> head(Uri url, {Map<String, String>? headers}) =>
-      _sendUnstreamed('HEAD', url, headers);
+      _sendUnstreamed(HttpMethods.head.method, url, headers);
 
   @override
   Future<Response> get(Uri url, {Map<String, String>? headers}) =>
-      _sendUnstreamed('GET', url, headers);
+      _sendUnstreamed(HttpMethods.get.method, url, headers);
 
   @override
   Future<Response> post(
@@ -52,7 +51,7 @@ class MiddlewareClient extends BaseClient {
     Object? body,
     Encoding? encoding,
   }) =>
-      _sendUnstreamed('POST', url, headers, body, encoding);
+      _sendUnstreamed(HttpMethods.post.method, url, headers, body, encoding);
 
   @override
   Future<Response> put(
@@ -61,7 +60,7 @@ class MiddlewareClient extends BaseClient {
     Object? body,
     Encoding? encoding,
   }) =>
-      _sendUnstreamed('PUT', url, headers, body, encoding);
+      _sendUnstreamed(HttpMethods.put.method, url, headers, body, encoding);
 
   @override
   Future<Response> patch(
@@ -70,7 +69,7 @@ class MiddlewareClient extends BaseClient {
     Object? body,
     Encoding? encoding,
   }) =>
-      _sendUnstreamed('PATCH', url, headers, body, encoding);
+      _sendUnstreamed(HttpMethods.patch.method, url, headers, body, encoding);
 
   @override
   Future<Response> delete(
@@ -79,7 +78,7 @@ class MiddlewareClient extends BaseClient {
     Object? body,
     Encoding? encoding,
   }) =>
-      _sendUnstreamed('DELETE', url, headers, body, encoding);
+      _sendUnstreamed(HttpMethods.delete.method, url, headers, body, encoding);
 
   @override
   Future<StreamedResponse> send(BaseRequest request) {
@@ -93,24 +92,34 @@ class MiddlewareClient extends BaseClient {
     Object? body,
     Encoding? encoding,
   ]) async {
-    final modifiedRequest = middleware.onRequest(
-      MiddlewareRequest(
-        unfreezedRequest: UnfreezedRequest(
-          method: method,
-          url: url,
-          headers: headers,
-          body: body,
-          encoding: encoding,
-        ),
-        httpRequest: Request(method, url),
+    final originalRequest = MiddlewareRequest(
+      unfreezedRequest: UnfreezedRequest(
+        method: method,
+        url: url,
+        headers: headers,
+        body: body,
+        encoding: encoding,
       ),
+      httpRequest: Request(method, url),
+      context: MiddlewareContext(pipeline: pipeline),
+    );
+    final modifiedRequest = await pipeline.onRequest(
+      originalRequest.copyWith(),
     );
 
     final res = await Response.fromStream(
       await send(modifiedRequest.httpRequest),
     );
-    final response =
-        middleware.onResponse(MiddlewareResponse(httpResponse: res));
+    final response = await pipeline.onResponse(
+      MiddlewareResponse(
+        httpResponse: res,
+        middlewareRequest: modifiedRequest,
+        context: MiddlewareContext(
+          pipeline: pipeline,
+          originalRequest: originalRequest,
+        ),
+      ),
+    );
 
     return response.httpResponse as Response;
   }