[refactor] Scan improvements (#577)

* Handle error on unexpected barcode response * Add ManufacturerPart detail view * Support barcode scanning for manufacturer part * Refactoring for null checks * Ignore selected errors in sentry * Fix API implementation for ManufacturerPart * Update release notes * More error handling * Decode quantity betterer * Refactoring * Add option to confirm checkin details * Improve response handlign * Cleanup * Remove unused imports * Fix async function * Fix for assigning custom barcode * Handle barcode scan result for company * Fix * Adjust scan priority * Refactoring MODEL_TYPE - Use instead of duplicated const strings * @override fix
2025-10-31 05:15:42 +00:00 · 2024-12-14 15:24:23 +11:00
parent 6b179d108c
commit 524c5469f1
24 changed files with 576 additions and 220 deletions
--- a/assets/release_notes.md
+++ b/assets/release_notes.md
@@ -1,12 +1,15 @@
 ### 0.17.1 - December 2024
 ---

+- Add support for ManufacturerPart model
+- Support barcode scanning for ManufacturerPart
 - Fixes barcode scanning bug which prevents scanning of DataMatrix codes
 - Display "destination" information in PurchaseOrder detail view
 - Pre-fill "location" field when receiving items against PurchaseOrder
 - Fix display of part name in PurchaseOrderLineItem list
 - Adds "assigned to me" filter for Purchase Order list
 - Adds "assigned to me" filter for Sales Order list
+- Updated translations

 ### 0.17.0 - December 2024
 ---
--- a/lib/api_form.dart
+++ b/lib/api_form.dart
@@ -11,15 +11,17 @@ import "package:inventree/api.dart";
 import "package:inventree/app_colors.dart";
 import "package:inventree/barcode/barcode.dart";
 import "package:inventree/helpers.dart";
-import "package:inventree/inventree/sales_order.dart";
 import "package:inventree/l10.dart";

 import "package:inventree/inventree/company.dart";
 import "package:inventree/inventree/part.dart";
 import "package:inventree/inventree/project_code.dart";
-import "package:inventree/inventree/sentry.dart";
+import "package:inventree/inventree/purchase_order.dart";
+import "package:inventree/inventree/sales_order.dart";
 import "package:inventree/inventree/stock.dart";

+import "package:inventree/inventree/sentry.dart";
+
 import "package:inventree/widget/dialogs.dart";
 import "package:inventree/widget/fields.dart";
 import "package:inventree/widget/progress.dart";
@@ -562,11 +564,17 @@ class APIFormField {
        Map<String, dynamic> data = item as Map<String, dynamic>;

        switch (model) {
-          case "part":
+          case InvenTreePart.MODEL_TYPE:
            return InvenTreePart.fromJson(data).fullname;
-          case "partcategory":
+          case InvenTreeCompany.MODEL_TYPE:
+            return InvenTreeCompany.fromJson(data).name;
+          case InvenTreePurchaseOrder.MODEL_TYPE:
+            return InvenTreePurchaseOrder.fromJson(data).reference;
+          case InvenTreeSalesOrder.MODEL_TYPE:
+            return InvenTreeSalesOrder.fromJson(data).reference;
+          case InvenTreePartCategory.MODEL_TYPE:
            return InvenTreePartCategory.fromJson(data).pathstring;
-          case "stocklocation":
+          case InvenTreeStockLocation.MODEL_TYPE:
            return InvenTreeStockLocation.fromJson(data).pathstring;
          default:
            return "itemAsString not implemented for '${model}'";
@@ -606,10 +614,12 @@ class APIFormField {
  Map<String, String> _relatedFieldFilters() {

    switch (model) {
-      case "supplierpart":
+      case InvenTreeSupplierPart.MODEL_TYPE:
        return InvenTreeSupplierPart().defaultListFilters();
-      case "stockitem":
+      case InvenTreeStockItem.MODEL_TYPE:
        return InvenTreeStockItem().defaultListFilters();
+      default:
+        break;
    }

    return {};
@@ -643,7 +653,7 @@ class APIFormField {
    }

    switch (model) {
-      case "part":
+      case InvenTreePart.MODEL_TYPE:
        var part = InvenTreePart.fromJson(data);

        return ListTile(
@@ -657,14 +667,14 @@ class APIFormField {
          ) : null,
          leading: extended ? InvenTreeAPI().getThumbnail(part.thumbnail) : null,
        );
-      case "parttesttemplate":
+      case InvenTreePartTestTemplate.MODEL_TYPE:
          var template = InvenTreePartTestTemplate.fromJson(data);

          return ListTile(
            title: Text(template.testName),
            subtitle: Text(template.description),
          );
-      case "supplierpart":
+      case InvenTreeSupplierPart.MODEL_TYPE:
        var part = InvenTreeSupplierPart.fromJson(data);

        return ListTile(
@@ -673,7 +683,7 @@ class APIFormField {
          leading: extended ? InvenTreeAPI().getThumbnail(part.partImage) : null,
          trailing: extended && part.supplierImage.isNotEmpty ? InvenTreeAPI().getThumbnail(part.supplierImage) : null,
        );
-      case "partcategory":
+      case InvenTreePartCategory.MODEL_TYPE:

        var cat = InvenTreePartCategory.fromJson(data);

@@ -687,7 +697,7 @@ class APIFormField {
            style: TextStyle(fontWeight: selected ? FontWeight.bold : FontWeight.normal),
          ) : null,
        );
-      case "stockitem":
+      case InvenTreeStockItem.MODEL_TYPE:
        var item = InvenTreeStockItem.fromJson(data);

        return ListTile(
@@ -697,8 +707,7 @@ class APIFormField {
          leading: InvenTreeAPI().getThumbnail(item.partThumbnail),
          trailing: Text(item.quantityString()),
        );
-      case "stocklocation":
-
+      case InvenTreeStockLocation.MODEL_TYPE:
        var loc = InvenTreeStockLocation.fromJson(data);

        return ListTile(
@@ -711,7 +720,7 @@ class APIFormField {
            style: TextStyle(fontWeight: selected ? FontWeight.bold : FontWeight.normal),
          ) : null,
        );
-      case "salesordershipment":
+      case InvenTreeSalesOrderShipment.MODEL_TYPE:
        var shipment = InvenTreeSalesOrderShipment.fromJson(data);

        return ListTile(
@@ -733,14 +742,14 @@ class APIFormField {
          title: Text(name),
          subtitle: Text(role),
        );
-      case "company":
+      case InvenTreeCompany.MODEL_TYPE:
        var company = InvenTreeCompany.fromJson(data);
        return ListTile(
            title: Text(company.name),
            subtitle: extended ? Text(company.description) : null,
            leading: InvenTreeAPI().getThumbnail(company.thumbnail)
        );
-      case "projectcode":
+      case InvenTreeProjectCode.MODEL_TYPE:
        var project_code = InvenTreeProjectCode.fromJson(data);
        return ListTile(
            title: Text(project_code.code),
--- a/lib/barcode/barcode.dart
+++ b/lib/barcode/barcode.dart
@@ -4,7 +4,9 @@ import "package:flutter_speed_dial/flutter_speed_dial.dart";
 import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
 import "package:inventree/helpers.dart";
 import "package:inventree/inventree/sales_order.dart";
+import "package:inventree/inventree/sentry.dart";
 import "package:inventree/preferences.dart";
+import "package:inventree/widget/company/manufacturer_part_detail.dart";
 import "package:inventree/widget/order/sales_order_detail.dart";
 import "package:one_context/one_context.dart";

@@ -30,6 +32,7 @@ import "package:inventree/widget/order/purchase_order_detail.dart";
 import "package:inventree/widget/refreshable_state.dart";
 import "package:inventree/widget/snacks.dart";
 import "package:inventree/widget/stock/stock_detail.dart";
+import "package:inventree/widget/company/company_detail.dart";
 import "package:inventree/widget/company/supplier_part_detail.dart";


@@ -176,15 +179,37 @@ class BarcodeScanHandler extends BarcodeHandler {
   */
  Future<void> handleSupplierPart(int pk) async {

-    var supplierpart = await InvenTreeSupplierPart().get(pk);
+    var supplierPart = await InvenTreeSupplierPart().get(pk);

-    if (supplierpart is InvenTreeSupplierPart) {
+    if (supplierPart is InvenTreeSupplierPart) {
      OneContext().pop();
      OneContext().push(MaterialPageRoute(
-          builder: (context) => SupplierPartDetailWidget(supplierpart)));
+          builder: (context) => SupplierPartDetailWidget(supplierPart)));
    }
  }

+  /*
+    * Response when a "ManufacturerPart" instance is scanned
+   */
+  Future<void> handleManufacturerPart(int pk) async {
+    var manufacturerPart = await InvenTreeManufacturerPart().get(pk);
+
+    if (manufacturerPart is InvenTreeManufacturerPart) {
+      OneContext().pop();
+      OneContext().push(MaterialPageRoute(
+          builder: (context) => ManufacturerPartDetailWidget(manufacturerPart)));
+    }
+  }
+
+  Future<void> handleCompany(int pk) async {
+    var company = await InvenTreeCompany().get(pk);
+
+    if (company is InvenTreeCompany) {
+      OneContext().pop();
+      OneContext().push(MaterialPageRoute(
+          builder: (context) => CompanyDetailWidget(company)));
+    }
+  }

  /*
   * Response when a "PurchaseOrder" instance is scanned
@@ -218,26 +243,32 @@ class BarcodeScanHandler extends BarcodeHandler {

    // The following model types can be matched with barcodes
    List<String> validModels = [
-      "part",
-      "stockitem",
-      "stocklocation",
-      "supplierpart",
+      InvenTreePart.MODEL_TYPE,
+      InvenTreeCompany.MODEL_TYPE,
+      InvenTreeStockItem.MODEL_TYPE,
+      InvenTreeStockLocation.MODEL_TYPE,
+      InvenTreeSupplierPart.MODEL_TYPE,
+      InvenTreeManufacturerPart.MODEL_TYPE,
    ];


    if (InvenTreeAPI().supportsOrderBarcodes) {
-      validModels.add("purchaseorder");
-      validModels.add("salesorder");
+      validModels.add(InvenTreePurchaseOrder.MODEL_TYPE);
+      validModels.add(InvenTreeSalesOrder.MODEL_TYPE);
    }

    for (var key in validModels) {
      if (data.containsKey(key)) {
-        pk = (data[key]?["pk"] ?? -1) as int;
+        try {
+          pk = (data[key]?["pk"] ?? -1) as int;

-        // Break on the first valid match found
-        if (pk > 0) {
-          model = key;
-          break;
+          // Break on the first valid match found
+          if (pk > 0) {
+            model = key;
+            break;
+          }
+        } catch (error, stackTrace) {
+          sentryReportError("onBarcodeMatched", error, stackTrace);
        }
      }
    }
@@ -248,25 +279,30 @@ class BarcodeScanHandler extends BarcodeHandler {
      barcodeSuccessTone();

      switch (model) {
-        case "part":
-          await handlePart(pk);
-          return;
-        case "stockitem":
+        case InvenTreeStockItem.MODEL_TYPE:
          await handleStockItem(pk);
          return;
-        case "stocklocation":
-          await handleStockLocation(pk);
-          return;
-        case "supplierpart":
-          await handleSupplierPart(pk);
-          return;
-        case "purchaseorder":
+        case InvenTreePurchaseOrder.MODEL_TYPE:
          await handlePurchaseOrder(pk);
          return;
-        case "salesorder":
+        case InvenTreeSalesOrder.MODEL_TYPE:
          await handleSalesOrder(pk);
          return;
-          // TODO: Handle manufacturer part
+        case InvenTreeStockLocation.MODEL_TYPE:
+          await handleStockLocation(pk);
+          return;
+        case InvenTreeSupplierPart.MODEL_TYPE:
+          await handleSupplierPart(pk);
+          return;
+        case InvenTreeManufacturerPart.MODEL_TYPE:
+          await handleManufacturerPart(pk);
+          return;
+        case InvenTreePart.MODEL_TYPE:
+          await handlePart(pk);
+          return;
+        case InvenTreeCompany.MODEL_TYPE:
+          await handleCompany(pk);
+          return;
        default:
          // Fall through to failure state
          break;
@@ -324,21 +360,6 @@ class UniqueBarcodeHandler extends BarcodeHandler {

  @override
  Future<void> onBarcodeMatched(Map<String, dynamic> data) async {
-
-    barcodeFailureTone();
-
-    // If the barcode is known, we can"t assign it to the stock item!
-    showSnackIcon(
-        L10().barcodeInUse,
-        icon: Icons.qr_code,
-        success: false
-    );
-  }
-
-  @override
-  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") && !data.containsKey("barcode_hash")) {
      showServerError(
        "barcode/",
@@ -370,6 +391,12 @@ class UniqueBarcodeHandler extends BarcodeHandler {
      }
    }
  }
+
+  @override
+  Future<void> onBarcodeUnknown(Map<String, dynamic> data) async {
+    await onBarcodeMatched(data);
+  }
+  
 }


--- a/lib/barcode/camera_controller.dart
+++ b/lib/barcode/camera_controller.dart
@@ -93,7 +93,7 @@ class _CameraBarcodeControllerState extends InvenTreeBarcodeControllerState {
  /*
   * Callback function when a barcode is scanned
   */
-  void _onScanSuccess(Code? code) {
+  Future<void> onScanSuccess(Code? code) async {

    if (scanning_paused) {
      return;
@@ -122,18 +122,16 @@ class _CameraBarcodeControllerState extends InvenTreeBarcodeControllerState {
    if (mounted) {
      setState(() {
        scanned_code = barcode;
-        scanning_paused = barcode.isNotEmpty;
      });
    }

    if (barcode.isNotEmpty) {

-      handleBarcodeData(barcode).then((_) {
+      pauseScan();
+
+      await handleBarcodeData(barcode).then((_) {
        if (!single_scanning && mounted) {
-          // Resume next scan
-          setState(() {
-            scanning_paused = false;
-          });
+          resumeScan();
        }
      });
    }
@@ -186,7 +184,7 @@ class _CameraBarcodeControllerState extends InvenTreeBarcodeControllerState {
  Widget BarcodeReader(BuildContext context) {

    return ReaderWidget(
-      onScan: _onScanSuccess,
+      onScan: onScanSuccess,
      isMultiScan: false,
      tryHarder: true,
      tryInverted: true,
--- a/lib/barcode/handler.dart
+++ b/lib/barcode/handler.dart
@@ -79,14 +79,27 @@ class BarcodeHandler {
      return;
    }

-    var response = await InvenTreeAPI().post(
+    APIResponse? response;
+
+    try {
+      response = await InvenTreeAPI().post(
        url,
        body: {
          "barcode": barcode,
          ...extra_data,
        },
-        expectedStatusCode: null,  // Do not show an error on "unexpected code"
-    );
+        expectedStatusCode: null, // Do not show an error on "unexpected code"
+      );
+    } catch (error, stackTrace) {
+      sentryReportError("Barcode.processBarcode", error, stackTrace);
+      response = null;
+    }
+
+    if (response == null) {
+      barcodeFailureTone();
+      showSnackIcon(L10().barcodeError, success: false);
+      return;
+    }

    debug("Barcode scan response" + response.data.toString());

@@ -94,7 +107,7 @@ class BarcodeHandler {

    // Handle strange response from the server
    if (!response.isValid() || !response.isMap()) {
-      onBarcodeUnknown({});
+      await onBarcodeUnknown({});

      showSnackIcon(L10().serverError, success: false);

--- a/lib/barcode/purchase_order.dart
+++ b/lib/barcode/purchase_order.dart
@@ -1,9 +1,7 @@
 import "package:flutter/material.dart";
-import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
+import "package:inventree/preferences.dart";
 import "package:one_context/one_context.dart";
-
 import "package:inventree/l10.dart";
-import "package:inventree/api_form.dart";

 import "package:inventree/barcode/barcode.dart";
 import "package:inventree/barcode/handler.dart";
@@ -23,10 +21,11 @@ import "package:inventree/widget/snacks.dart";
 */
 class POReceiveBarcodeHandler extends BarcodeHandler {

-  POReceiveBarcodeHandler({this.purchaseOrder, this.location});
+  POReceiveBarcodeHandler({this.purchaseOrder, this.location, this.lineItem});

  InvenTreePurchaseOrder? purchaseOrder;
  InvenTreeStockLocation? location;
+  InvenTreePOLineItem? lineItem;

  @override
  String getOverlayText(BuildContext context) => L10().barcodeReceivePart;
@@ -34,11 +33,15 @@ class POReceiveBarcodeHandler extends BarcodeHandler {
  @override
  Future<void> processBarcode(String barcode,
      {String url = "barcode/po-receive/",
-        Map<String, dynamic> extra_data = const {}}) {
+        Map<String, dynamic> extra_data = const {}}) async {
+
+    final bool confirm = await InvenTreeSettingsManager().getBool(INV_PO_CONFIRM_SCAN, true);

    final po_extra_data = {
      "purchase_order": purchaseOrder?.pk,
      "location": location?.pk,
+      "line_item": lineItem?.pk,
+      "auto_allocate": !confirm,
      ...extra_data,
    };

@@ -47,11 +50,13 @@ class POReceiveBarcodeHandler extends BarcodeHandler {

  @override
  Future<void> onBarcodeMatched(Map<String, dynamic> data) async {
-    if (!data.containsKey("lineitem")) {
+
+    if (data.containsKey("lineitem") || data.containsKey("success")) {
+      barcodeSuccess(L10().receivedItem);
+      return;
+    } else {
      return onBarcodeUnknown(data);
    }
-
-    barcodeSuccess(L10().receivedItem);
  }

  @override
@@ -66,49 +71,41 @@ class POReceiveBarcodeHandler extends BarcodeHandler {
      showSnackIcon(L10().missingData, success: false);
    }

-    // Construct fields to receive
-    Map<String, dynamic> fields = {
-      "line_item": {
-        "parent": "items",
-        "nested": true,
-        "hidden": true,
-        "value": lineItemData["pk"] as int,
-      },
-      "quantity": {
-        "parent": "items",
-        "nested": true,
-        "value": lineItemData["quantity"] as double?,
-      },
-      "status": {
-        "parent": "items",
-        "nested": true,
-      },
-      "location": {
-        "value": lineItemData["location"] as int?,
-      },
-      "barcode": {
-        "parent": "items",
-        "nested": true,
-        "hidden": true,
-        "type": "barcode",
-        "value": data["barcode_data"] as String,
+    // At minimum, we need the line item ID value
+    final int? lineItemId = lineItemData["pk"] as int?;
+
+    if (lineItemId == null) {
+      barcodeFailureTone();
+      return;
+    }
+
+    InvenTreePOLineItem? lineItem = await InvenTreePOLineItem().get(lineItemId) as InvenTreePOLineItem?;
+
+    if (lineItem == null) {
+      barcodeFailureTone();
+      return;
+    }
+
+    // Next, extract the "optional" fields
+
+    // Extract information from the returned server response
+    double? quantity = double.tryParse((lineItemData["quantity"] ?? "0").toString());
+    int? destination = lineItemData["location"] as int?;
+    String? barcode = data["barcode_data"] as String?;
+
+    // Discard the barcode scanner at this stage
+    if (OneContext.hasContext) {
+      OneContext().pop();
+    }
+
+    await lineItem.receive(
+      OneContext().context!,
+      destination: destination,
+      quantity: quantity,
+      barcode: barcode,
+      onSuccess: () {
+        showSnackIcon(L10().receivedItem, success: true);
      }
-    };
-
-    final context = OneContext().context!;
-    final purchase_order_pk = lineItemData["purchase_order"];
-    final receive_url = "${InvenTreePurchaseOrder().URL}${purchase_order_pk}/receive/";
-
-    launchApiForm(
-        context,
-        L10().receiveItem,
-        receive_url,
-        fields,
-        method: "POST",
-        icon: TablerIcons.transition_right,
-        onSuccess: (data) async {
-          showSnackIcon(L10().receivedItem, success: true);
-        }
    );
  }

--- a/lib/barcode/stock.dart
+++ b/lib/barcode/stock.dart
@@ -33,7 +33,7 @@ class BarcodeScanStockLocationHandler extends BarcodeHandler {

    // We expect that the barcode points to a 'stocklocation'
    if (data.containsKey("stocklocation")) {
-      int _loc = (data["stocklocation"]["pk"] ?? -1) as int;
+      int _loc = (data["stocklocation"]?["pk"] ?? -1) as int;

      // A valid stock location!
      if (_loc > 0) {
@@ -83,7 +83,7 @@ class BarcodeScanStockItemHandler extends BarcodeHandler {
  Future<void> onBarcodeMatched(Map<String, dynamic> data) async {
    // We expect that the barcode points to a 'stockitem'
    if (data.containsKey("stockitem")) {
-      int _item = (data["stockitem"]["pk"] ?? -1) as int;
+      int _item = (data["stockitem"]?["pk"] ?? -1) as int;

      // A valid stock location!
      if (_item > 0) {
--- a/lib/inventree/company.dart
+++ b/lib/inventree/company.dart
@@ -18,6 +18,8 @@ class InvenTreeCompany extends InvenTreeModel {
  @override
  String get URL => "company/";

+  static const String MODEL_TYPE = "company";
+
  @override
  List<String> get rolesRequired => ["purchase_order", "sales_order", "return_order"];

@@ -128,6 +130,8 @@ class InvenTreeSupplierPart extends InvenTreeModel {
  @override
  String get URL => "company/part/";

+  static const String MODEL_TYPE = "supplierpart";
+
  @override
  List<String> get rolesRequired => ["part", "purchase_order"];

@@ -171,7 +175,7 @@ class InvenTreeSupplierPart extends InvenTreeModel {
  
  String get MPN => getString("MPN", subKey: "manufacturer_part_detail");
  
-  String get manufacturerImage => (jsondata["manufacturer_detail"]?["image"] ?? jsondata["manufacturer_detail"]["thumbnail"] ?? InvenTreeAPI.staticThumb) as String;
+  String get manufacturerImage => (jsondata["manufacturer_detail"]?["image"] ?? jsondata["manufacturer_detail"]?["thumbnail"] ?? InvenTreeAPI.staticThumb) as String;

  int get manufacturerPartId => getInt("manufacturer_part");
  
@@ -179,14 +183,14 @@ class InvenTreeSupplierPart extends InvenTreeModel {
  
  String get supplierName => getString("name", subKey: "supplier_detail");
  
-  String get supplierImage => (jsondata["supplier_detail"]?["image"] ?? jsondata["supplier_detail"]["thumbnail"] ?? InvenTreeAPI.staticThumb) as String;
+  String get supplierImage => (jsondata["supplier_detail"]?["image"] ?? jsondata["supplier_detail"]?["thumbnail"] ?? InvenTreeAPI.staticThumb) as String;

  String get SKU => getString("SKU");

  bool get active => getBool("active", backup: true);
  
  int get partId => getInt("part");
-  
+
  String get partImage => (jsondata["part_detail"]?["thumbnail"] ?? InvenTreeAPI.staticThumb) as String;

  String get partName => getString("name", subKey: "part_detail");
@@ -219,21 +223,52 @@ class InvenTreeManufacturerPart extends InvenTreeModel {
  InvenTreeManufacturerPart.fromJson(Map<String, dynamic> json) : super.fromJson(json);

  @override
-  String url = "company/part/manufacturer/";
+  String URL = "company/part/manufacturer/";
+
+  static const String MODEL_TYPE = "manufacturerpart";

  @override
-  Map<String, String> defaultListFilters() {
+  List<String> get rolesRequired => ["part"];
+
+  @override
+  Map<String, Map<String, dynamic>> formFields() {
+    Map<String, Map<String, dynamic>> fields = {
+      "manufacturer": {},
+      "MPN": {},
+      "link": {},
+    };
+
+    return fields;
+  }
+
+  @override
+  Map<String, String> defaultFilters() {
    return {
      "manufacturer_detail": "true",
+      "part_detail": "true",
    };
  }

  int get partId => getInt("part");
-  
+
+  String get partName => getString("name", subKey: "part_detail");
+
+  String get partDescription => getString("description", subKey: "part_detail");
+
+  String get partIPN => getString("IPN", subKey: "part_detail");
+
+  String get partImage => (jsondata["part_detail"]?["thumbnail"] ?? InvenTreeAPI.staticThumb) as String;
+
  int get manufacturerId => getInt("manufacturer");
-  
+
+  String get manufacturerName => getString("name", subKey: "manufacturer_detail");
+
+  String get manufacturerDescription => getString("description", subKey: "manufacturer_detail");
+
+  String get manufacturerImage => (jsondata["manufacturer_detail"]?["image"] ?? jsondata["manufacturer_detail"]?["thumbnail"] ?? InvenTreeAPI.staticThumb) as String;
+
  String get MPN => getString("MPN");
-  
+
  @override
  InvenTreeModel createFromJson(Map<String, dynamic> json) => InvenTreeManufacturerPart.fromJson(json);
 }
--- a/lib/inventree/model.dart
+++ b/lib/inventree/model.dart
@@ -66,7 +66,7 @@ class InvenTreeModel {
  String get WEB_URL => "";

  // Return the "model type" of this model
-  String get MODEL_TYPE => "";
+  static const String MODEL_TYPE = "";

  // Helper function to set a value in the JSON data
  void setValue(String key, dynamic value) {
--- a/lib/inventree/part.dart
+++ b/lib/inventree/part.dart
@@ -23,6 +23,8 @@ class InvenTreePartCategory extends InvenTreeModel {
  @override
  String get URL => "part/category/";

+  static const String MODEL_TYPE = "partcategory";
+
  @override
  List<String> get rolesRequired => ["part_category"];

@@ -79,6 +81,8 @@ class InvenTreePartTestTemplate extends InvenTreeModel {
  @override
  String get URL => "part/test-template/";

+  static const String MODEL_TYPE = "parttesttemplate";
+
  String get key => getString("key");

  String get testName => getString("test_name");
@@ -192,8 +196,7 @@ class InvenTreePart extends InvenTreeModel {
  @override
  String get URL => "part/";

-  @override
-  String get MODEL_TYPE => "part";
+  static const String MODEL_TYPE = "part";

  @override
  List<String> get rolesRequired => ["part"];
--- a/lib/inventree/project_code.dart
+++ b/lib/inventree/project_code.dart
@@ -16,6 +16,8 @@ class InvenTreeProjectCode extends InvenTreeModel {
  @override
  String get URL => "project-code/";

+  static const String MODEL_TYPE = "projectcode";
+
  @override
  Map<String, Map<String, dynamic>> formFields() {
    return {
--- a/lib/inventree/purchase_order.dart
+++ b/lib/inventree/purchase_order.dart
@@ -1,3 +1,5 @@
+import "package:flutter/cupertino.dart";
+import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
 import "package:inventree/api.dart";
 import "package:inventree/helpers.dart";
 import "package:inventree/inventree/company.dart";
@@ -5,6 +7,9 @@ import "package:inventree/inventree/model.dart";
 import "package:inventree/inventree/orders.dart";
 import "package:inventree/widget/progress.dart";

+import "package:inventree/api_form.dart";
+import "package:inventree/l10.dart";
+

 /*
 * Class representing an individual PurchaseOrder instance
@@ -21,8 +26,7 @@ class InvenTreePurchaseOrder extends InvenTreeOrder {
  @override
  String get URL => "order/po/";

-  @override
-  String get MODEL_TYPE => "purchaseorder";
+  static const String MODEL_TYPE = "purchaseorder";

  @override
  List<String> get rolesRequired => ["purchase_order"];
@@ -212,6 +216,16 @@ class InvenTreePOLineItem extends InvenTreeOrderLine {
    }
  }

+  InvenTreePurchaseOrder? get purchaseOrder {
+    dynamic detail = jsondata["order_detail"];
+
+    if (detail == null) {
+      return null;
+    } else {
+      return InvenTreePurchaseOrder.fromJson(detail as Map<String, dynamic>);
+    }
+  }
+
  String get SKU => getString("SKU", subKey: "supplier_part_detail");

  double get purchasePrice => getDouble("purchase_price");
@@ -223,6 +237,72 @@ class InvenTreePOLineItem extends InvenTreeOrderLine {
  Map<String, dynamic> get orderDetail => getMap("order_detail");

  Map<String, dynamic> get destinationDetail => getMap("destination_detail");
+
+  // Receive this line item into stock
+  Future<void> receive(BuildContext context, {int? destination, double? quantity, String? barcode, Function? onSuccess}) async {
+    // Infer the destination location from the line item if not provided
+    if (destinationId > 0) {
+      destination = destinationId;
+    }
+
+    destination ??= (orderDetail["destination"]) as int?;
+
+    quantity ??= outstanding;
+
+    // Construct form fields
+    Map<String, dynamic> fields = {
+      "line_item": {
+        "parent": "items",
+        "nested": true,
+        "hidden": true,
+        "value": pk,
+      },
+      "quantity": {
+        "parent": "items",
+        "nested": true,
+        "value": quantity,
+      },
+      "location": {},
+      "status": {
+        "parent": "items",
+        "nested": true,
+      },
+      "batch_code": {
+        "parent": "items",
+        "nested": true,
+      },
+      "barcode": {
+        "parent": "items",
+        "nested": true,
+        "type": "barcode",
+        "label": L10().barcodeAssign,
+        "value": barcode,
+        "required": false,
+      }
+    };
+
+    if (destination != null && destination > 0) {
+      fields["location"]?["value"] = destination;
+    }
+
+    InvenTreePurchaseOrder? order = purchaseOrder;
+
+    if (order != null) {
+      await launchApiForm(
+          context,
+          L10().receiveItem,
+          order.receive_url,
+          fields,
+          method: "POST",
+          icon: TablerIcons.transition_right,
+          onSuccess: (data) {
+            if (onSuccess != null) {
+              onSuccess();
+            }
+          }
+      );
+    }
+  }
 }

 /*
--- a/lib/inventree/sales_order.dart
+++ b/lib/inventree/sales_order.dart
@@ -24,8 +24,7 @@ class InvenTreeSalesOrder extends InvenTreeOrder {
  @override
  String get URL => "order/so/";

-  @override
-  String get MODEL_TYPE => "salesorder";
+  static const String MODEL_TYPE = "salesorder";

  @override
  List<String> get rolesRequired => ["sales_order"];
@@ -250,6 +249,8 @@ class InvenTreeSalesOrderShipment extends InvenTreeModel {
  @override
  String get URL => "/order/so/shipment/";

+  static const String MODEL_TYPE = "salesordershipment";
+
  @override
  Map<String, Map<String, dynamic>> formFields() {
    Map<String, Map<String, dynamic>> fields = {
--- a/lib/inventree/sentry.dart
+++ b/lib/inventree/sentry.dart
@@ -158,6 +158,11 @@ Future<bool> sentryReportMessage(String message, {Map<String, String>? context})
 */
 Future<void> sentryReportError(String source, dynamic error, StackTrace? stackTrace, {Map<String, String> context = const {}}) async {

+  if (sentryIgnoreError(error)) {
+    // No action on this error
+    return;
+  }
+
  print("----- Sentry Intercepted error: $error -----");
  print(stackTrace);

@@ -228,3 +233,18 @@ Future<void> sentryReportError(String source, dynamic error, StackTrace? stackTr
    print("Uploaded information to Sentry.io : ${response.toString()}");
  });
 }
+
+
+/*
+ * Test if a certain error should be ignored by Sentry
+ */
+bool sentryIgnoreError(dynamic error) {
+  // Ignore 404 errors for media files
+  if (error is HttpException) {
+    if (error.uri.toString().contains("/media/") && error.message.contains("404")) {
+      return true;
+    }
+  }
+
+  return false;
+}
--- a/lib/inventree/stock.dart
+++ b/lib/inventree/stock.dart
@@ -98,7 +98,7 @@ class InvenTreeStockItemHistory extends InvenTreeModel {
  String get URL => "stock/track/";

  @override
-  Map<String, String> defaultListFilters() {
+  Map<String, String> defaultFilters() {

    // By default, order by decreasing date
    return {
@@ -168,8 +168,7 @@ class InvenTreeStockItem extends InvenTreeModel {
  @override
  String get URL => "stock/";

-  @override
-  String get MODEL_TYPE => "stockitem";
+  static const String MODEL_TYPE = "stockitem";

  @override
  List<String> get rolesRequired => ["stock"];
@@ -206,7 +205,7 @@ class InvenTreeStockItem extends InvenTreeModel {

    if (isSerialized()) {
      // Prevent editing of 'quantity' field if the item is serialized
-      fields["quantity"]["hidden"] = true;
+      fields["quantity"]?["hidden"] = true;
    }

    // Old API does not support these fields
@@ -395,7 +394,7 @@ class InvenTreeStockItem extends InvenTreeModel {

      // Use the detailed part information as priority
      if (jsondata.containsKey("part_detail")) {
-        nm = (jsondata["part_detail"]["full_name"] ?? "") as String;
+        nm = (jsondata["part_detail"]?["full_name"] ?? "") as String;
      }

      // Backup if first value fails
@@ -411,7 +410,7 @@ class InvenTreeStockItem extends InvenTreeModel {

      // Use the detailed part description as priority
      if (jsondata.containsKey("part_detail")) {
-        desc = (jsondata["part_detail"]["description"] ?? "") as String;
+        desc = (jsondata["part_detail"]?["description"] ?? "") as String;
      }

      if (desc.isEmpty) {
@@ -425,7 +424,7 @@ class InvenTreeStockItem extends InvenTreeModel {
      String img = "";

      if (jsondata.containsKey("part_detail")) {
-        img = (jsondata["part_detail"]["thumbnail"] ?? "") as String;
+        img = (jsondata["part_detail"]?["thumbnail"] ?? "") as String;
      }

      if (img.isEmpty) {
@@ -468,7 +467,7 @@ class InvenTreeStockItem extends InvenTreeModel {
      if (jsondata.containsKey("supplier_part_detail")) {
        thumb = (jsondata["supplier_part_detail"]?["supplier_detail"]?["image"] ?? "") as String;
      } else if (jsondata.containsKey("supplier_detail")) {
-        thumb = (jsondata["supplier_detail"]["image"] ?? "") as String;
+        thumb = (jsondata["supplier_detail"]?["image"] ?? "") as String;
      }

      return thumb;
@@ -681,8 +680,7 @@ class InvenTreeStockLocation extends InvenTreeModel {
  @override
  String get URL => "stock/location/";

-  @override
-  String get MODEL_TYPE => "stocklocation";
+  static const String MODEL_TYPE = "stocklocation";

  @override
  List<String> get rolesRequired => ["stock_location"];
--- a/lib/l10n/app_en.arb
+++ b/lib/l10n/app_en.arb
@@ -608,6 +608,9 @@
  "itemDeleted": "Item has been removed",
  "@itemDeleted": {},

+  "itemUpdated": "Item updated",
+  "@itemUpdated": {},
+
  "keywords": "Keywords",
  "@keywords": {},

@@ -684,6 +687,12 @@
  "lost": "Lost",
  "@lost": {},

+  "manufacturerPart": "Manufacturer Part",
+  "@manufacturerPart": {},
+
+  "manufacturerPartEdit": "Edit Manufacturer Part",
+  "@manufacturerPartEdit": {},
+
  "manufacturerPartNumber": "Manufacturer Part Number",
  "@manufacturerPartNumber": {},

@@ -915,6 +924,12 @@
  "projectCode": "Project Code",
  "@projectCode": {},

+    "purchaseOrderConfirmScan": "Confirm Scan Data",
+    "@purchaseOrderConfirmScan": {},
+
+    "purchaseOrderConfirmScanDetail": "Confirm details when scanning in items",
+    "@purchaseOrderConfirmScanDetail": {},
+
   "purchaseOrderEnable": "Enable Purchase Orders",
   "@purchaseOrderEnable": {},

--- a/lib/preferences.dart
+++ b/lib/preferences.dart
@@ -39,6 +39,7 @@ const String INV_STOCK_CONFIRM_SCAN = "stockConfirmScan";
 // Purchase order settings
 const String INV_PO_ENABLE = "poEnable";
 const String INV_PO_SHOW_CAMERA = "poShowCamera";
+const String INV_PO_CONFIRM_SCAN = "poConfirmScan";

 // Sales order settings
 const String INV_SO_ENABLE = "soEnable";
--- a/lib/settings/purchase_order_settings.dart
+++ b/lib/settings/purchase_order_settings.dart
@@ -19,6 +19,7 @@ class _InvenTreePurchaseOrderSettingsState extends State<InvenTreePurchaseOrderS

  bool poEnable = true;
  bool poShowCamera = true;
+  bool poConfirmScan = true;

  @override
  void initState() {
@@ -30,6 +31,7 @@ class _InvenTreePurchaseOrderSettingsState extends State<InvenTreePurchaseOrderS
  Future<void> loadSettings() async {
    poEnable = await InvenTreeSettingsManager().getBool(INV_PO_ENABLE, true);
    poShowCamera = await InvenTreeSettingsManager().getBool(INV_PO_SHOW_CAMERA, true);
+    poConfirmScan = await InvenTreeSettingsManager().getBool(INV_PO_CONFIRM_SCAN, true);

    if (mounted) {
      setState(() {
@@ -75,6 +77,20 @@ class _InvenTreePurchaseOrderSettingsState extends State<InvenTreePurchaseOrderS
                      },
                    ),
                  ),
+                  ListTile(
+                    title: Text(L10().purchaseOrderConfirmScan),
+                    subtitle: Text(L10().purchaseOrderConfirmScanDetail),
+                    leading: Icon(TablerIcons.barcode),
+                    trailing: Switch (
+                      value: poConfirmScan,
+                      onChanged: (bool value) {
+                        InvenTreeSettingsManager().setValue(INV_PO_CONFIRM_SCAN, value);
+                        setState(() {
+                          poConfirmScan = value;
+                        });
+                      },
+                    ),
+                  )
                ]
            )
        )
--- a/lib/widget/company/manufacturer_part_detail.dart
+++ b/lib/widget/company/manufacturer_part_detail.dart
@@ -0,0 +1,183 @@
+
+import "package:flutter/material.dart";
+import "package:flutter_speed_dial/flutter_speed_dial.dart";
+import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
+
+import "package:inventree/l10.dart";
+import "package:inventree/api.dart";
+import "package:inventree/app_colors.dart";
+
+import "package:inventree/inventree/company.dart";
+import "package:inventree/inventree/part.dart";
+
+import "package:inventree/widget/refreshable_state.dart";
+import "package:inventree/widget/snacks.dart";
+import "package:inventree/widget/progress.dart";
+
+import "package:inventree/widget/part/part_detail.dart";
+import "package:inventree/widget/company/company_detail.dart";
+import "package:url_launcher/url_launcher.dart";
+
+/*
+ * Detail widget for viewing a single ManufacturerPart instance
+ */
+class ManufacturerPartDetailWidget extends StatefulWidget {
+
+  const ManufacturerPartDetailWidget(this.manufacturerPart, {Key? key})
+      : super(key: key);
+
+  final InvenTreeManufacturerPart manufacturerPart;
+
+  @override
+  _ManufacturerPartDisplayState createState() => _ManufacturerPartDisplayState();
+}
+
+
+class _ManufacturerPartDisplayState extends RefreshableState<ManufacturerPartDetailWidget> {
+
+  _ManufacturerPartDisplayState();
+
+  @override
+  String getAppBarTitle() => L10().manufacturerPart;
+
+  @override
+  Future<void> request(BuildContext context) async {
+    final bool result = widget.manufacturerPart.pk > 0 &&
+        await widget.manufacturerPart.reload();
+
+    if (!result) {
+      Navigator.of(context).pop();
+    }
+  }
+
+  Future<void> editManufacturerPart(BuildContext context) async {
+    widget.manufacturerPart.editForm(
+        context,
+        L10().manufacturerPartEdit,
+        onSuccess: (data) async {
+          refresh(context);
+          showSnackIcon(L10().itemUpdated, success: true);
+        }
+    );
+  }
+
+  @override
+  List<SpeedDialChild> barcodeButtons(BuildContext context) {
+    List<SpeedDialChild> actions = [];
+
+    // TODO: Barcode actions?
+
+    return actions;
+  }
+
+  @override
+  List<Widget> appBarActions(BuildContext context) {
+    List<Widget> actions = [];
+
+    if (widget.manufacturerPart.canEdit) {
+      actions.add(
+          IconButton(
+              icon: Icon(TablerIcons.edit),
+              tooltip: L10().edit,
+              onPressed: () {
+                editManufacturerPart(context);
+              }
+          )
+      );
+    }
+
+    return actions;
+  }
+
+  /*
+   * Build a set of tiles to display for this ManufacturerPart instance
+   */
+  @override
+  List<Widget> getTiles(BuildContext context) {
+    List<Widget> tiles = [];
+
+    if (loading) {
+      tiles.add(progressIndicator());
+      return tiles;
+    }
+
+    // Internal Part
+    tiles.add(
+        ListTile(
+          title: Text(L10().internalPart),
+          subtitle: Text(widget.manufacturerPart.partName),
+          leading: Icon(TablerIcons.box, color: COLOR_ACTION),
+          trailing: InvenTreeAPI().getThumbnail(widget.manufacturerPart.partImage),
+          onTap: () async {
+            showLoadingOverlay();
+            final part = await InvenTreePart().get(widget.manufacturerPart.partId);
+            hideLoadingOverlay();
+
+            if (part is InvenTreePart) {
+              Navigator.push(context, MaterialPageRoute(
+                  builder: (context) => PartDetailWidget(part)));
+            }
+          },
+        )
+    );
+
+    // Manufacturer details
+    tiles.add(
+        ListTile(
+            title: Text(L10().manufacturer),
+            subtitle: Text(widget.manufacturerPart.manufacturerName),
+            leading: Icon(TablerIcons.building_factory_2, color: COLOR_ACTION),
+            trailing: InvenTreeAPI().getThumbnail(widget.manufacturerPart.manufacturerImage),
+            onTap: () async {
+              showLoadingOverlay();
+              var supplier = await InvenTreeCompany().get(widget.manufacturerPart.manufacturerId);
+              hideLoadingOverlay();
+
+              if (supplier is InvenTreeCompany) {
+                Navigator.push(context, MaterialPageRoute(
+                    builder: (context) => CompanyDetailWidget(supplier)
+                ));
+              }
+            }
+        )
+    );
+
+    // MPN (part number)
+    tiles.add(
+        ListTile(
+          title: Text(L10().manufacturerPartNumber),
+          subtitle: Text(widget.manufacturerPart.MPN),
+          leading: Icon(TablerIcons.hash),
+        )
+    );
+
+    // Description
+    if (widget.manufacturerPart.description.isNotEmpty) {
+      tiles.add(
+          ListTile(
+            title: Text(L10().description),
+            subtitle: Text(widget.manufacturerPart.description),
+            leading: Icon(TablerIcons.info_circle),
+          )
+      );
+    }
+
+    if (widget.manufacturerPart.link.isNotEmpty) {
+      tiles.add(
+          ListTile(
+            title: Text(widget.manufacturerPart.link),
+            leading: Icon(TablerIcons.link, color: COLOR_ACTION),
+            onTap: () async {
+              var uri = Uri.tryParse(widget.manufacturerPart.link);
+              if (uri != null && await canLaunchUrl(uri)) {
+                await launchUrl(uri);
+              }
+            },
+          )
+      );
+    }
+
+    return tiles;
+  }
+
+}
--- a/lib/widget/company/supplier_part_detail.dart
+++ b/lib/widget/company/supplier_part_detail.dart
@@ -1,21 +1,23 @@
 import "package:flutter/material.dart";
 import "package:flutter_speed_dial/flutter_speed_dial.dart";
 import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
+import "package:url_launcher/url_launcher.dart";

 import "package:inventree/api.dart";
 import "package:inventree/app_colors.dart";
-import "package:inventree/barcode/barcode.dart";
 import "package:inventree/l10.dart";

+import "package:inventree/barcode/barcode.dart";
+
 import "package:inventree/inventree/part.dart";
 import "package:inventree/inventree/company.dart";

-import "package:inventree/widget/company/company_detail.dart";
-import "package:inventree/widget/part/part_detail.dart";
 import "package:inventree/widget/progress.dart";
 import "package:inventree/widget/refreshable_state.dart";
 import "package:inventree/widget/snacks.dart";
-import "package:url_launcher/url_launcher.dart";
+import "package:inventree/widget/company/company_detail.dart";
+import "package:inventree/widget/company/manufacturer_part_detail.dart";
+import "package:inventree/widget/part/part_detail.dart";


 /*
@@ -180,7 +182,7 @@ class _SupplierPartDisplayState extends RefreshableState<SupplierPartDetailWidge
        ListTile(
          title: Text(L10().supplierPartNumber),
          subtitle: Text(widget.supplierPart.SKU),
-          leading: Icon(TablerIcons.barcode),
+          leading: Icon(TablerIcons.hash),
        )
    );

@@ -210,7 +212,18 @@ class _SupplierPartDisplayState extends RefreshableState<SupplierPartDetailWidge
        ListTile(
          title: Text(L10().manufacturerPartNumber),
          subtitle: Text(widget.supplierPart.MPN),
-          leading: Icon(TablerIcons.barcode),
+          leading: Icon(TablerIcons.hash, color: COLOR_ACTION),
+          onTap: () async {
+            showLoadingOverlay();
+            var manufacturerPart = await InvenTreeManufacturerPart().get(widget.supplierPart.manufacturerPartId);
+            hideLoadingOverlay();
+
+            if (manufacturerPart is InvenTreeManufacturerPart) {
+              Navigator.push(context, MaterialPageRoute(
+                builder: (context) => ManufacturerPartDetailWidget(manufacturerPart)
+              ));
+            }
+          },
        )
      );
    }
--- a/lib/widget/order/po_line_detail.dart
+++ b/lib/widget/order/po_line_detail.dart
@@ -2,7 +2,6 @@ import "package:flutter/material.dart";
 import "package:flutter_speed_dial/flutter_speed_dial.dart";
 import "package:flutter_tabler_icons/flutter_tabler_icons.dart";

-import "package:inventree/api_form.dart";
 import "package:inventree/app_colors.dart";
 import "package:inventree/helpers.dart";
 import "package:inventree/inventree/model.dart";
@@ -132,72 +131,15 @@ class _POLineDetailWidgetState extends RefreshableState<POLineDetailWidget> {

    // Launch a form to 'receive' this line item
  Future<void> receiveLineItem(BuildContext context) async {
-
-    // Pre-fill the "destination" to receive into
-    int destination = widget.item.destinationId;
-
-    if (destination < 0) {
-      destination = (widget.item.orderDetail["destination"] ?? -1) as int;
-    }
-
-    // Construct fields to receive
-    Map<String, dynamic> fields = {
-      "line_item": {
-        "parent": "items",
-        "nested": true,
-        "hidden": true,
-        "value": widget.item.pk,
-      },
-      "quantity": {
-        "parent": "items",
-        "nested": true,
-        "value": widget.item.outstanding,
-      },
-      "status": {
-        "parent": "items",
-        "nested": true,
-      },
-      "location": {},
-      "batch_code": {
-        "parent": "items",
-        "nested": true,
-      },
-      "barcode": {
-        "parent": "items",
-        "nested": true,
-        "type": "barcode",
-        "label": L10().barcodeAssign,
-        "required": false,
-      }
-    };
-
-    if (destination > 0) {
-      fields["location"]?["value"] = destination;
-    }
-
-    showLoadingOverlay();
-    var order = await InvenTreePurchaseOrder().get(widget.item.orderId);
-    hideLoadingOverlay();
-
-    if (order is InvenTreePurchaseOrder) {
-    launchApiForm(
+    widget.item.receive(
      context,
-      L10().receiveItem,
-      order.receive_url,
-      fields,
-      method: "POST",
-      icon: TablerIcons.transition_right,
-      onSuccess: (data) async {
-        showSnackIcon(L10().receivedItem, success: true);
-        refresh(context);
+      onSuccess: () => {
+        showSnackIcon(L10().receivedItem, success: true),
+        refresh(context)
      }
    );
-    } else {
-      showSnackIcon(L10().error);
-      return;
-    }
  }
-
+  
  @override
  List<Widget> getTiles(BuildContext context) {
    List<Widget> tiles = [];
--- a/lib/widget/part/part_detail.dart
+++ b/lib/widget/part/part_detail.dart
@@ -239,7 +239,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {

    if (allowLabelPrinting) {

-      String model_type = api.supportsModernLabelPrinting ? InvenTreePart().MODEL_TYPE : "part";
+      String model_type = api.supportsModernLabelPrinting ? InvenTreePart.MODEL_TYPE : "part";
      String item_key = api.supportsModernLabelPrinting ? "items" : "part";

      _labels = await getLabelTemplates(
--- a/lib/widget/stock/location_display.dart
+++ b/lib/widget/stock/location_display.dart
@@ -246,7 +246,7 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {

      if (widget.location != null) {

-        String model_type = api.supportsModernLabelPrinting ? InvenTreeStockLocation().MODEL_TYPE : "location";
+        String model_type = api.supportsModernLabelPrinting ? InvenTreeStockLocation.MODEL_TYPE : "location";
        String item_key = api.supportsModernLabelPrinting ? "items" : "location";

        _labels = await getLabelTemplates(
--- a/lib/widget/stock/stock_detail.dart
+++ b/lib/widget/stock/stock_detail.dart
@@ -298,7 +298,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
    // Request information on labels available for this stock item
    if (allowLabelPrinting) {

-      String model_type = api.supportsModernLabelPrinting ? InvenTreeStockItem().MODEL_TYPE : "stock";
+      String model_type = api.supportsModernLabelPrinting ? InvenTreeStockItem.MODEL_TYPE : "stock";
      String item_key = api.supportsModernLabelPrinting ? "items" : "item";

      // Clear the existing labels list