1 files changed, 38 insertions, 0 deletions
diff --git a/lib/utils/network_util.dart b/lib/utils/network_util.dart
new file mode 100644
index 0000000..463e98f
--- /dev/null
+++ b/lib/utils/network_util.dart
@@ -0,0 +1,38 @@
+import 'dart:async';
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+
+class NetworkUtil {
+  // next three lines makes this class a Singleton
+  static NetworkUtil _instance = new NetworkUtil.internal();
+  NetworkUtil.internal();
+  factory NetworkUtil() => _instance;
+
+  final JsonDecoder _decoder = new JsonDecoder();
+
+  Future<dynamic> get(String url) {
+    return http.get(url).then((http.Response response) {
+      final String res = response.body;
+      final int statusCode = response.statusCode;
+
+      if (statusCode < 200 || statusCode > 400 || json == null) {
+        throw new Exception("Error while fetching data");
+      }
+      return _decoder.convert(res);
+    });
+  }
+
+  Future<dynamic> post(String url, {Map headers, body, encoding}) {
+    return http
+        .post(url, body: body, headers: headers, encoding: encoding)
+        .then((http.Response response) {
+      final String res = response.body;
+      final int statusCode = response.statusCode;
+
+      if (statusCode < 200 || statusCode > 400 || json == null) {
+        throw new Exception("Error while fetching data");
+      }
+      return _decoder.convert(res);
+    });
+  }
+}
+\ No newline at end of file