fix staff viewing packages

lib/pages/package/model/package_model.dart

@@ -44,7 +44,13 @@ class PackageModel extends BaseModel {
     deliveredPackages = [];
   }
 
-  Future<void> initDeliveredPackages() {
+  Future<void> initDeliveredPackages(bool onlyFcs) {
+    if (onlyFcs) {
+      if (user == null ||
+          !((user.hasPackages() ||
+              user.hasReceiving() ||
+              user.hasProcessing()))) return null;
+    }
     if (pagination != null) pagination.close();
     deliveredPackages = [];
     endOfDeliveredPackages = false;
@@ -57,7 +63,7 @@ class PackageModel extends BaseModel {
         // .orderBy("date", descending: true);
         .where("is_delivered", isEqualTo: true)
         .where("is_deleted", isEqualTo: false);
-    if (user.isCustomer()) {
+    if (!onlyFcs) {
       pageQuery = pageQuery.where("user_id", isEqualTo: user.id);
     }
     pageQuery = pageQuery.orderBy("current_status_date", descending: true);
@@ -94,9 +100,8 @@ class PackageModel extends BaseModel {
 
   Future<void> _loadPackages() async {
     if (user == null ||
-        !user.hasPackages() ||
-        !user.hasReceiving() ||
-        !user.hasProcessing()) return;
+        !((user.hasPackages() || user.hasReceiving() || user.hasProcessing())))
+      return;
     String path = "/$packages_collection";
     if (listener != null) listener.cancel();
     packages = [];

lib/pages/package/package_list.dart

@@ -29,7 +29,8 @@ class _PackageListState extends State<PackageList> {
   @override
   void initState() {
     super.initState();
-    Provider.of<PackageModel>(context, listen: false).initDeliveredPackages();
+    Provider.of<PackageModel>(context, listen: false)
+        .initDeliveredPackages(widget.onlyFcs);
     _controller.addListener(() {
       if (_showDelivered &&
           _controller.position.pixels == _controller.position.maxScrollExtent) {