Stock barcode fix (#232)

* API: Provide more info in error messages

* Fix support for legacy stock item custom barcodes

* Refresh display after assigning barcode

* Update release notes

* Fix for scanning unkown barcode

- Modern API returns slightly different data

* Fix for scanning unkown barcode

- Modern API returns slightly different data

* Update release notes

assets/release_notes.md

@@ -1,6 +1,12 @@
 ## InvenTree App Release Notes
 ---
 
+### 0.9.1 - December 2022
+---
+
+- Bug fixes for custom barcode actions
+- Updated translations
+
 ### 0.9.0 - December 2022
 ---
 

lib/api.dart

@@ -370,7 +370,7 @@ class InvenTreeAPI {
     response = await get("", expectedStatusCode: 200);
 
     if (!response.successful()) {
-      showStatusCodeError(apiUrl, response.statusCode);
+      showStatusCodeError(apiUrl, response.statusCode, details: response.data.toString());
       return false;
     }
 
@@ -1036,6 +1036,7 @@ class InvenTreeAPI {
           "method": method,
         }
       );
+
       return null;
     }
   }
@@ -1091,13 +1092,11 @@ class InvenTreeAPI {
         }
       } else {
 
+        response.data = ignoreResponse ? {} : await responseToJson(url, _response) ?? {};
+
         // First check that the returned status code is what we expected
         if (statusCode != null && statusCode != _response.statusCode) {
-          showStatusCodeError(url, _response.statusCode);
+          showStatusCodeError(url, _response.statusCode, details: response.data.toString());
-        } else if (ignoreResponse) {
-          response.data = {};
-        } else {
-          response.data = await responseToJson(url, _response) ?? {};
         }
       }
     } on HttpException catch (error) {

lib/barcode.dart

@@ -1,6 +1,7 @@
 import "dart:io";
 import "package:flutter/material.dart";
 import "package:font_awesome_flutter/font_awesome_flutter.dart";
+import "package:inventree/widget/refreshable_state.dart";
 import "package:one_context/one_context.dart";
 import "package:qr_code_scanner/qr_code_scanner.dart";
 
@@ -569,16 +570,23 @@ class UniqueBarcodeHandler extends BarcodeHandler {
   Future<void> onBarcodeUnknown(Map<String, dynamic> data) async {
     // If the barcode is unknown, we *can* assign it to the stock item!
 
-    if (!data.containsKey("hash")) {
+    if (!data.containsKey("hash") && !data.containsKey("barcode_hash")) {
       showServerError(
         "barcode/",
         L10().missingData,
         L10().barcodeMissingHash,
       );
     } else {
-      String hash = (data["hash"] ?? "") as String;
+      String barcode;
 
-      if (hash.isEmpty) {
+      if (InvenTreeAPI().supportModernBarcodes) {
+        barcode = (data["barcode_data"] ?? "") as String;
+      } else {
+        // Legacy barcode API
+        barcode = (data["hash"] ?? data["barcode_hash"] ?? "") as String;
+      }
+
+      if (barcode.isEmpty) {
         barcodeFailureTone();
 
         showSnackIcon(
@@ -594,7 +602,7 @@ class UniqueBarcodeHandler extends BarcodeHandler {
           OneContext().pop();
         }
 
-        callback(hash);
+        callback(barcode);
       }
     }
   }
@@ -737,7 +745,7 @@ Future<void> scanQrCode(BuildContext context) async {
 /*
  * Construct a generic ListTile widget to link or un-link a custom barcode from a model.
  */
-Widget customBarcodeActionTile(BuildContext context, String barcode, String model, int pk) {
+Widget customBarcodeActionTile(BuildContext context, RefreshableState state, String barcode, String model, int pk) {
 
   if (barcode.isEmpty) {
     return ListTile(
@@ -755,6 +763,8 @@ Widget customBarcodeActionTile(BuildContext context, String barcode, String mode
               result ? L10().barcodeAssigned : L10().barcodeNotAssigned,
               success: result
             );
+
+            state.refresh(context);
           });
         });
 
@@ -776,7 +786,10 @@ Widget customBarcodeActionTile(BuildContext context, String barcode, String mode
         }).then((bool result) {
           showSnackIcon(
             result ? L10().requestSuccessful : L10().requestFailed,
+            success: result,
           );
+
+          state.refresh(context);
         });
       },
     );

lib/widget/dialogs.dart

@@ -185,10 +185,10 @@ Future<void> showServerError(String url, String title, String description) async
 /*
  * Displays an error indicating that the server returned an unexpected status code
  */
-Future<void> showStatusCodeError(String url, int status) async {
+Future<void> showStatusCodeError(String url, int status, {String details=""}) async {
 
   String msg = L10().responseInvalid;
-  String extra = "${L10().statusCode}: ${status}";
+  String extra = url + "\n" + "${L10().statusCode}: ${status}";
 
   switch (status) {
     case 400:
@@ -231,6 +231,11 @@ Future<void> showStatusCodeError(String url, int status) async {
       break;
   }
 
+  if (details.isNotEmpty) {
+    extra += "\n";
+    extra += details;
+  }
+
   showServerError(
     url,
     msg,

lib/widget/location_display.dart

@@ -456,7 +456,7 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
 
         if (InvenTreeAPI().supportModernBarcodes) {
           tiles.add(
-            customBarcodeActionTile(context, location!.customBarcode, "stocklocation", location!.pk)
+            customBarcodeActionTile(context, this, location!.customBarcode, "stocklocation", location!.pk)
           );
         }
       }

lib/widget/part_detail.dart

@@ -698,7 +698,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
 
     if (InvenTreeAPI().supportModernBarcodes) {
       tiles.add(
-        customBarcodeActionTile(context, part.customBarcode, "part", part.pk)
+        customBarcodeActionTile(context, this, part.customBarcode, "part", part.pk)
       );
     }
 

lib/widget/stock_detail.dart

@@ -802,10 +802,23 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
       )
     );
 
-    if (InvenTreeAPI().supportModernBarcodes) {
+    if (InvenTreeAPI().supportModernBarcodes || item.customBarcode.isEmpty) {
-      tiles.add(customBarcodeActionTile(context, item.customBarcode, "stockitem", item.pk));
+      tiles.add(customBarcodeActionTile(context, this, item.customBarcode, "stockitem", item.pk));
+    } else {
+      // Note: Custom legacy barcodes (only for StockItem model) are handled differently
+      tiles.add(
+          ListTile(
+              title: Text(L10().barcodeUnassign),
+              leading: Icon(Icons.qr_code, color: COLOR_CLICK),
+              onTap: () async {
+                await item.update(values: {"uid": ""});
+                refresh(context);
+              }
+          )
+      );
     }
 
+
     // Print label (if label printing plugins exist)
     if (labels.isNotEmpty) {
       tiles.add(