New barcode actions (#218)

* Bump release notes

* Adds method for linking custom barcodes

* Custom getter method for determining if an item has barcode data

* Add method to check if the API supports "modern" barcodes

* Refactor custom barcode implementation for StockItem

- Needs testing

* Unit testing for linking and unlinking barcodes

* Fixes

* Refactor code for "custom barcode action" tile

* Add custom barcode action to StockLocation

* Add extra debug to debug the debugging

* Unit test fix

* Change scope I guess?

* remove handler test

lib/widget/location_display.dart

@@ -453,6 +453,12 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
             )
           );
         }
+
+        if (InvenTreeAPI().supportModernBarcodes) {
+          tiles.add(
+            customBarcodeActionTile(context, location!.customBarcode, "stocklocation", location!.pk)
+          );
+        }
       }
     }
 

lib/widget/part_detail.dart

@@ -4,6 +4,7 @@ import "package:font_awesome_flutter/font_awesome_flutter.dart";
 
 import "package:inventree/api.dart";
 import "package:inventree/app_colors.dart";
+import "package:inventree/barcode.dart";
 import "package:inventree/l10.dart";
 import "package:inventree/helpers.dart";
 
@@ -695,35 +696,11 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
       )
     );
 
-    // TODO - Add this action back in once implemented
-    /*
-    tiles.add(
-      ListTile(
-        title: Text(L10().barcodeScanItem),
-        leading: FaIcon(FontAwesomeIcons.box),
-        trailing: Icon(Icons.qr_code),
-        onTap: () {
-          // TODO
-        },
-      ),
-    );
-    */
-
-    /*
-    // TODO: Implement part deletion
-    if (!part.isActive && InvenTreeAPI().checkPermission("part", "delete")) {
+    if (InvenTreeAPI().supportModernBarcodes) {
       tiles.add(
-        ListTile(
-          title: Text(L10().deletePart),
-          subtitle: Text(L10().deletePartDetail),
-          leading: FaIcon(FontAwesomeIcons.trashAlt, color: COLOR_DANGER),
-          onTap: () {
-            // TODO
-          },
-        )
+        customBarcodeActionTile(context, part.customBarcode, "part", part.pk)
       );
     }
-     */
 
     return tiles;
   }

lib/widget/stock_detail.dart

@@ -416,48 +416,6 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
     );
   }
 
-
-  /*
-   * Unassign (remove) a barcode from a StockItem.
-   *
-   * Note that for API version < 76 this action is performed on the StockItem endpoint.
-   * For API version 76 or above, this uses the barcode "unlink" endpoint
-   */
-  Future<void> _unassignBarcode(BuildContext context) async {
-
-    if (InvenTreeAPI().apiVersion < 76) {
-      final response = await item.update(values: {"uid": ""});
-
-      switch (response.statusCode) {
-        case 200:
-        case 201:
-          showSnackIcon(
-              L10().stockItemUpdateSuccess,
-              success: true
-          );
-          break;
-        default:
-          showSnackIcon(
-            L10().stockItemUpdateFailure,
-            success: false,
-          );
-          break;
-      }
-    } else {
-      final bool result = await InvenTreeAPI().unlinkBarcode({
-        "stockitem": item.pk,
-      });
-
-      showSnackIcon(
-        result ? L10().stockItemUpdateSuccess : L10().stockItemUpdateFailure,
-        success: result,
-      );
-    }
-
-    refresh(context);
-  }
-
-
   /*
    * Launches an API Form to transfer this stock item to a new location
    */
@@ -844,59 +802,8 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
       )
     );
 
-    // Add or remove custom barcode
-    if (item.uid.isEmpty) {
-      tiles.add(
-        ListTile(
-          title: Text(L10().barcodeAssign),
-          subtitle: Text(L10().barcodeAssignDetail),
-          leading: Icon(Icons.qr_code),
-          trailing: Icon(Icons.qr_code_scanner),
-          onTap: () {
-
-            var handler = UniqueBarcodeHandler((String hash) {
-              item.update(
-                values: {
-                  "uid": hash,
-                }
-              ).then((response) {
-
-                switch (response.statusCode) {
-                  case 200:
-                  case 201:
-                    barcodeSuccessTone();
-
-                    showSnackIcon(
-                      L10().barcodeAssigned,
-                      success: true,
-                      icon: Icons.qr_code,
-                    );
-
-                    refresh(context);
-                    break;
-                  default:
-                    break;
-                }
-              });
-            });
-
-            Navigator.push(
-              context,
-              MaterialPageRoute(builder: (context) => InvenTreeQRView(handler))
-            );
-          }
-        )
-      );
-    } else {
-      tiles.add(
-        ListTile(
-          title: Text(L10().barcodeUnassign),
-          leading: Icon(Icons.qr_code, color: COLOR_CLICK),
-          onTap: () {
-            _unassignBarcode(context);
-          }
-        )
-      );
+    if (InvenTreeAPI().supportModernBarcodes) {
+      tiles.add(customBarcodeActionTile(context, item.customBarcode, "stockitem", item.pk));
     }
 
     // Print label (if label printing plugins exist)