fix ui

lib/model_fcs/package_model.dart

@@ -14,6 +14,7 @@ class PackageModel extends BaseModel {
     Status(status: "Received", date: DateTime(2020, 6, 1), done: true),
     Status(status: "Processed", date: DateTime(2020, 6, 1), done: true),
     Status(status: "Shipped", date: DateTime(2020, 6, 5), done: false),
+    Status(status: "Arrived", date: DateTime(2020, 6, 7), done: false),
     Status(status: "Delivered", date: DateTime(2020, 6, 15), done: false)
   ];
   static List<Package> packages = [
@@ -88,7 +89,7 @@ class PackageModel extends BaseModel {
         weight: 55,
         market: "Macy",
         trackingID: "234-sdflsdf-213",
-        status: "Processed",
+        status: "Shipped",
         id: "PKG2043",
         arrivedDate: DateTime(2020, 6, 1),
         receiverAddress: '2 Shwe Taung Kyar St, Bahan Tsp, Yangon',statusHistory: statusHistory),
@@ -101,7 +102,7 @@ class PackageModel extends BaseModel {
         packageType: "Dangerous",
         cargoDesc: "Phones and Scooters",
         weight: 25,
-        status: "Received",
+        status: "Arrived",
         market: "Amazon",
         trackingID: "sdf-asdf-23489",
         id: "PKG2044",
@@ -131,6 +132,27 @@ class PackageModel extends BaseModel {
       });
   }
 
+  List<Package> get shipped {
+    return packages.where((e) => e.status == "Shipped").toList()
+      ..sort((e1, e2) {
+        return e2.packageNumber.compareTo(e1.packageNumber);
+      });
+  }
+
+  List<Package> get arrived {
+    return packages.where((e) => e.status == "Arrived").toList()
+      ..sort((e1, e2) {
+        return e2.packageNumber.compareTo(e1.packageNumber);
+      });
+  }
+
+  List<Package> get delivered {
+    return packages.where((e) => e.status == "Delivered").toList()
+      ..sort((e1, e2) {
+        return e2.packageNumber.compareTo(e1.packageNumber);
+      });
+  }
+
   List<Package> get upcoming {
     return packages.where((e) => e.status == "Received").toList()
       ..sort((e1, e2) {