fix: overriding headers (#53)

Co-authored-by: Mathiew Abbas <[email protected]>

Author: AbbasMathiew

lib/data/interceptor/meta_interceptor.dart

@@ -14,8 +14,12 @@ class MetaInterceptor extends InterceptorsWrapper {
   @override
   void onRequest(
       RequestOptions options, RequestInterceptorHandler handler) async {
-    options.headers['Accept'] = 'application/json; charset=UTF-8';
-    options.headers['content-type'] = 'application/json';
+    if (options.headers['Accept'] == null) {
+      options.headers['Accept'] = 'application/json; charset=UTF-8';
+    }
+    if (options.headers['content-type'] == null) {
+      options.headers['content-type'] = 'application/json';
+    }
     options.headers[nMetaHeaderKey] = '$platform;${flavor.name};'
         '${await appVersion};${await platformVersion};${await device}';
     handler.next(options);

pubspec.lock

@@ -161,7 +161,7 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   convert:
     dependency: transitive
     description:
@@ -252,7 +252,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   ffi:
     dependency: transitive
     description:
@@ -414,7 +414,7 @@ packages:
       name: js
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.3"
+    version: "0.6.4"
   json_annotation:
     dependency: "direct main"
     description:
@@ -456,7 +456,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -549,7 +549,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   path_drawing:
     dependency: transitive
     description:
@@ -743,7 +743,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -785,7 +785,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.8"
+    version: "0.4.9"
   timing:
     dependency: transitive
     description:
@@ -827,7 +827,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
   watcher:
     dependency: transitive
     description:
@@ -871,5 +871,5 @@ packages:
     source: hosted
     version: "3.1.0"
 sdks:
-  dart: ">=2.16.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"
   flutter: ">=2.8.0"