Initial commit

app_code/lib/presenters/coupon_presenter.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_countdown_timer/countdown_timer_controller.dart';
+import 'package:grostore/apis/coupons_api.dart';
+import 'package:grostore/apis/order_api.dart';
+import 'package:grostore/app_lang.dart';
+import 'package:grostore/models/coupon_response.dart';
+import 'package:grostore/models/order/orders_response.dart';
+
+class CouponPresenter extends ChangeNotifier {
+  static BuildContext? context;
+  List<CountdownTimerController> controller=[];
+  setContext(BuildContext context) {
+    CouponPresenter.context = context;
+  }
+
+  List<CouponInfo> coupons = [];
+  bool isCouponsInit = false;
+
+  DateTime convertTimeStampToDateTime(int timeStamp) {
+    var dateToTimeStamp = DateTime.fromMillisecondsSinceEpoch(timeStamp * 1000);
+    return dateToTimeStamp;
+  }
+
+
+  getCoupons() async {
+    var response = await CouponsApi.getCoupons();
+    if (response.statusCode == 200) {
+      coupons.addAll(response.object.data);
+      isCouponsInit=true;
+      coupons.forEach((element) {
+
+        DateTime end = convertTimeStampToDateTime(
+            int.parse(element.endDate)); // YYYY-mm-dd
+        DateTime now = DateTime.now();
+        int diff = end.difference(now).inMilliseconds;
+        int endTime = diff + now.millisecondsSinceEpoch;
+
+
+        print(element.endDate);
+        controller.add( CountdownTimerController(endTime:endTime , onEnd: (){}));
+      });
+      notifyListeners();
+    }
+  }
+
+  fetchAll() {
+    getCoupons();
+  }
+
+  clearAll() {
+    isCouponsInit=false;
+    coupons.clear();
+  }
+
+  initState() {
+    clearAll();
+    fetchAll();
+  }
+}