add packages, receiving & processing

lib/domain/entities/user.dart

@@ -3,6 +3,8 @@ import 'package:fcs/helpers/const.dart';
 import 'package:flutter/foundation.dart';
 import 'package:intl/intl.dart';
 
+import '../constants.dart';
+
 DateFormat dayFormat = DateFormat("MMM dd yyyy");
 DateFormat timeFormat = DateFormat("HH:mm");
 final DateFormat dateFormat = DateFormat("d MMM yyyy");
@@ -123,36 +125,59 @@ class User {
   }
 
   bool hasSysAdmin() {
-    return privileges != null ? privileges.contains('sa') : false;
+    return _has(privilege_sys_admin);
   }
 
   bool hasAdmin() {
-    return privileges != null ? privileges.contains('admin') : false;
+    return _has(privilege_admin);
   }
 
   bool hasCustomers() {
-    return hasSysAdmin() ||
-        hasAdmin() ||
-        (privileges != null ? privileges.contains('c') : false);
+    return hasSysAdmin() || hasAdmin() || _has(privilege_customer);
+  }
+
+  bool hasFcsShipments() {
+    return hasSysAdmin() || hasAdmin() || _has(privilege_fcs_shipment);
   }
 
   bool hasStaffs() {
-    return hasSysAdmin() ||
-        hasAdmin() ||
-        (privileges != null ? privileges.contains('s') : false);
+    return hasSysAdmin() || hasAdmin() || _has(privilege_staff);
   }
 
   bool hasSupport() {
-    return hasSysAdmin() ||
-        hasAdmin() ||
-        (privileges != null ? privileges.contains('sp') : false);
+    return hasSysAdmin() || hasAdmin() || _has(privilege_support);
   }
 
   bool hasPackages() {
-    return hasSysAdmin() ||
-        hasAdmin() ||
-        status == userStatusJoined ||
-        (privileges != null ? privileges.contains('p') : false);
+    return hasSysAdmin() || hasAdmin() || _has(privilege_package);
+  }
+
+  bool hasReceiving() {
+    return hasSysAdmin() || hasAdmin() || _has(privilege_receiving);
+  }
+
+  bool hasProcessing() {
+    return hasSysAdmin() || hasAdmin() || _has(privilege_processing);
+  }
+
+  bool hasDeliveries() {
+    return hasSysAdmin() || hasAdmin() || _has(privilege_delivery);
+  }
+
+  bool hasInvoices() {
+    return hasSysAdmin() || hasAdmin() || _has(privilege_invoice);
+  }
+
+  bool hasShipment() {
+    return hasSysAdmin() || hasAdmin() || _has(privilege_shipment);
+  }
+
+  bool hasCarton() {
+    return hasSysAdmin() || hasAdmin() || _has(privilege_carton);
+  }
+
+  bool _has(String privilege) {
+    return (privileges != null ? privileges.contains(privilege) : false);
   }
 
   @override