clean up

lib/pages/market/model/market_model.dart

@@ -0,0 +1,49 @@
+import 'dart:async';
+
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:fcs/domain/constants.dart';
+import 'package:fcs/domain/entities/market.dart';
+import 'package:fcs/helpers/firebase_helper.dart';
+import 'package:fcs/pages/main/model/base_model.dart';
+import 'package:logging/logging.dart';
+
+class MarketModel extends BaseModel {
+  final log = Logger('MarketModel');
+  StreamSubscription<QuerySnapshot> listener;
+  List<Market> markets = [];
+
+  MarketModel() {
+    _loadMarkets();
+  }
+
+  Future<void> _loadMarkets() async {
+    try {
+      if (listener != null) listener.cancel();
+
+      listener = Firestore.instance
+          .collection("/$config_collection/$setting_doc_id/$markets_collection")
+          .snapshots()
+          .listen((QuerySnapshot snapshot) {
+        markets.clear();
+        markets = snapshot.documents.map((documentSnapshot) {
+          var user = Market.fromMap(
+              documentSnapshot.data, documentSnapshot.documentID);
+          return user;
+        }).toList();
+        notifyListeners();
+      });
+    } catch (e) {
+      log.warning("Error!! $e");
+    }
+  }
+
+  Future<void> addMarket(String marketName) async {
+    await request("/markets", "POST",
+        payload: {"name": marketName}, token: await getToken());
+  }
+
+  Future<void> deleteMarket(String id) async {
+    await request("/markets", "DELETE",
+        payload: {"id": id}, token: await getToken());
+  }
+}