Pop to the previous context if the stock item is "bad"

lib/widget/category_display.dart

@@ -66,7 +66,7 @@ class _CategoryDisplayState extends RefreshableState<CategoryDisplayWidget> {
         context,
         L10().editCategory,
         onSuccess: (data) async {
-          refresh();
+          refresh(context);
           showSnackIcon(L10().categoryUpdated, success: true);
         }
     );
@@ -79,11 +79,11 @@ class _CategoryDisplayState extends RefreshableState<CategoryDisplayWidget> {
 
   @override
   Future<void> onBuild(BuildContext context) async {
-    refresh();
+    refresh(context);
   }
 
   @override
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
 
     int pk = category?.pk ?? -1;
 
@@ -234,7 +234,7 @@ class _CategoryDisplayState extends RefreshableState<CategoryDisplayWidget> {
             )
           );
         } else {
-          refresh();
+          refresh(context);
         }
       }
     );

lib/widget/company_detail.dart

@@ -64,7 +64,7 @@ class _CompanyDetailState extends RefreshableState<CompanyDetailWidget> {
   }
 
   @override
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
     await company.reload();
 
     if (company.isSupplier) {
@@ -78,7 +78,7 @@ class _CompanyDetailState extends RefreshableState<CompanyDetailWidget> {
       context,
       L10().companyEdit,
       onSuccess: (data) async {
-        refresh();
+        refresh(context);
         showSnackIcon(L10().companyUpdated, success: true);
       }
     );

lib/widget/location_display.dart

@@ -88,7 +88,7 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
       context,
       L10().editLocation,
       onSuccess: (data) async {
-        refresh();
+        refresh(context);
         showSnackIcon(L10().locationUpdated, success: true);
       }
     );
@@ -109,11 +109,11 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
 
   @override
   Future<void> onBuild(BuildContext context) async {
-    refresh();
+    refresh(context);
   }
 
   @override
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
 
     int pk = location?.pk ?? -1;
 
@@ -385,8 +385,8 @@ List<Widget> detailTiles() {
                       MaterialPageRoute(builder: (context) =>
                           InvenTreeQRView(
                               StockLocationScanInItemsHandler(_loc)))
-                  ).then((context) {
-                    refresh();
+                  ).then((value) {
+                    refresh(context);
                   });
                 }
               },

lib/widget/part_attachments_widget.dart

@@ -72,11 +72,11 @@ class _PartAttachmentDisplayState extends RefreshableState<PartAttachmentsWidget
       showSnackIcon(L10().uploadFailed, success: false);
     }
 
-    refresh();
+    refresh(context);
   }
 
   @override
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
 
     await InvenTreePartAttachment().list(
       filters: {

lib/widget/part_detail.dart

@@ -77,7 +77,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
 
   @override
   Future<void> onBuild(BuildContext context) async {
-    refresh();
+    refresh(context);
 
     setState(() {
 
@@ -85,7 +85,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
   }
 
   @override
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
     await part.reload();
     await part.getTestTemplates();
   }
@@ -94,7 +94,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
 
     if (InvenTreeAPI().checkPermission("part", "view")) {
       await part.update(values: {"starred": "${!part.starred}"});
-      refresh();
+      refresh(context);
     }
   }
 
@@ -104,7 +104,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
       context,
       L10().editPart,
       onSuccess: (data) async {
-        refresh();
+        refresh(context);
         showSnackIcon(L10().partEdited, success: true);
       }
     );
@@ -130,7 +130,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
                   builder: (context) => PartImageWidget(part)
                 )
               ).then((value) {
-                refresh();
+                refresh(context);
               });
             }),
         ),

lib/widget/part_image_widget.dart

@@ -32,7 +32,7 @@ class _PartImageState extends RefreshableState<PartImageWidget> {
   final InvenTreePart part;
 
   @override
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
     await part.reload();
   }
 
@@ -60,7 +60,7 @@ class _PartImageState extends RefreshableState<PartImageWidget> {
                   showSnackIcon(L10().uploadFailed, success: false);
                 }
 
-                refresh();
+                refresh(context);
               }
             );
 

lib/widget/part_notes.dart

@@ -26,7 +26,7 @@ class _PartNotesState extends RefreshableState<PartNotesWidget> {
   final InvenTreePart part;
 
   @override
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
     await part.reload();
   }
 
@@ -53,7 +53,7 @@ class _PartNotesState extends RefreshableState<PartNotesWidget> {
                 }
               },
               onSuccess: (data) async {
-                refresh();
+                refresh(context);
               }
             );
           }

lib/widget/purchase_order_detail.dart

@@ -61,7 +61,7 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
   }
 
   @override
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
     await order.reload();
 
     lines = await order.getLineItems();
@@ -82,7 +82,7 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
       context,
       L10().purchaseOrderEdit,
       onSuccess: (data) async {
-        refresh();
+        refresh(context);
         showSnackIcon(L10().purchaseOrderUpdated, success: true);
       }
     );
@@ -218,7 +218,7 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
         icon: FontAwesomeIcons.signInAlt,
         onSuccess: (data) async {
           showSnackIcon(L10().receivedItem, success: true);
-          refresh();
+          refresh(context);
         }
     );
   }

lib/widget/refreshable_state.dart

@@ -41,21 +41,21 @@ abstract class RefreshableState<T extends StatefulWidget> extends State<T> {
 
   // Function called after the widget is first build
   Future<void> onBuild(BuildContext context) async {
-    refresh();
+    refresh(context);
   }
 
   // Function to request data for this page
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
     return;
   }
 
-  Future<void> refresh() async {
+  Future<void> refresh(BuildContext context) async {
 
     setState(() {
       loading = true;
     });
 
-    await request();
+    await request(context);
 
     setState(() {
       loading = false;
@@ -100,7 +100,9 @@ abstract class RefreshableState<T extends StatefulWidget> extends State<T> {
       body: Builder(
         builder: (BuildContext context) {
           return RefreshIndicator(
-              onRefresh: refresh,
+              onRefresh: () async {
+                refresh(context);
+              },
               child: getBody(context)
           );
         }

lib/widget/stock_detail.dart

@@ -22,6 +22,7 @@ import "package:inventree/l10.dart";
 import "package:inventree/helpers.dart";
 import "package:inventree/api.dart";
 import "package:inventree/api_form.dart";
+import 'package:one_context/one_context.dart';
 
 
 class StockDetailWidget extends StatefulWidget {
@@ -96,13 +97,20 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
 
     // Load part data if not already loaded
     if (part == null) {
-      refresh();
+      refresh(context);
     }
   }
 
   @override
-  Future<void> request() async {
-    await item.reload();
+  Future<void> request(BuildContext context) async {
+
+    final bool result = await item.reload();
+
+    // Could not load this stock item for some reason
+    // Perhaps it has been depleted?
+    if (!result || item.pk == -1) {
+      Navigator.of(context).pop();
+    }
 
     // Request part information
     part = await InvenTreePart().get(item.partId) as InvenTreePart?;
@@ -244,7 +252,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
       L10().editItem,
       fields: fields,
       onSuccess: (data) async {
-        refresh();
+        refresh(context);
         showSnackIcon(L10().stockItemUpdated, success: true);
       }
     );
@@ -261,7 +269,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
 
     _stockUpdateMessage(result);
 
-    refresh();
+    refresh(context);
   }
 
   Future <void> _addStockDialog() async {
@@ -293,7 +301,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
         icon: FontAwesomeIcons.plusCircle,
         onSuccess: (data) async {
           _stockUpdateMessage(true);
-          refresh();
+          refresh(context);
         }
       );
 
@@ -340,7 +348,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
 
     _stockUpdateMessage(result);
 
-    refresh();
+    refresh(context);
 
   }
 
@@ -372,7 +380,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
           icon: FontAwesomeIcons.minusCircle,
           onSuccess: (data) async {
             _stockUpdateMessage(true);
-            refresh();
+            refresh(context);
           }
       );
 
@@ -413,7 +421,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
 
     _stockUpdateMessage(result);
 
-    refresh();
+    refresh(context);
   }
 
   Future <void> _countStockDialog() async {
@@ -445,7 +453,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
           icon: FontAwesomeIcons.clipboardCheck,
           onSuccess: (data) async {
             _stockUpdateMessage(true);
-            refresh();
+            refresh(context);
           }
       );
 
@@ -494,7 +502,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
       );
     }
 
-    refresh();
+    refresh(context);
   }
 
 
@@ -509,7 +517,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
 
     var result = await item.transferStock(context, locationId, quantity: quantity, notes: notes);
 
-    refresh();
+    refresh(context);
 
     if (result) {
       showSnackIcon(L10().stockItemTransferred, success: true);
@@ -549,7 +557,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
           icon: FontAwesomeIcons.dolly,
           onSuccess: (data) async {
             _stockUpdateMessage(true);
-            refresh();
+            refresh(context);
           }
       );
 
@@ -801,7 +809,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
                     MaterialPageRoute(
                         builder: (context) => StockItemTestResultsWidget(item))
                 ).then((context) {
-                  refresh();
+                  refresh(context);
                 });
               }
           )
@@ -928,7 +936,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
             context,
             MaterialPageRoute(builder: (context) => InvenTreeQRView(StockItemScanIntoLocationHandler(item)))
           ).then((context) {
-            refresh();
+            refresh(context);
           });
         },
       )
@@ -958,7 +966,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
                     icon: Icons.qr_code,
                   );
 
-                  refresh();
+                  refresh(context);
                 }
               });
             });

lib/widget/stock_item_test_results.dart

@@ -44,7 +44,7 @@ class _StockItemTestResultDisplayState extends RefreshableState<StockItemTestRes
   }
 
   @override
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
     await item.getTestTemplates();
     await item.getTestResults();
   }
@@ -61,7 +61,7 @@ class _StockItemTestResultDisplayState extends RefreshableState<StockItemTestRes
         "test": "${name}",
       },
       onSuccess: (data) {
-        refresh();
+        refresh(context);
       },
       fileField: "attachment",
     );

lib/widget/stock_notes.dart

@@ -31,7 +31,7 @@ class _StockNotesState extends RefreshableState<StockNotesWidget> {
   String getAppBarTitle(BuildContext context) => L10().stockItemNotes;
 
   @override
-  Future<void> request() async {
+  Future<void> request(BuildContext context) async {
     await item.reload();
   }
 
@@ -54,7 +54,7 @@ class _StockNotesState extends RefreshableState<StockNotesWidget> {
                     }
                   },
                   onSuccess: (data) async {
-                    refresh();
+                    refresh(context);
                   }
                 );
               }