Add part to sales order via barcode scan (#461)

* Add part to sales order via barcode scan

* Update release notes

* Remove unused imports

lib/barcode/purchase_order.dart

@@ -188,7 +188,6 @@ class POAllocateBarcodeHandler extends BarcodeHandler {
       context,
       L10().lineItemAdd,
       fields: fields,
-      onSuccess: (data) async {},
     );
   }
 

lib/barcode/sales_order.dart

@@ -0,0 +1,81 @@
+import "package:flutter/material.dart";
+
+import "package:inventree/inventree/part.dart";
+import "package:inventree/inventree/sales_order.dart";
+import "package:one_context/one_context.dart";
+
+import "package:inventree/l10.dart";
+
+import "package:inventree/barcode/handler.dart";
+import "package:inventree/barcode/tones.dart";
+
+import "package:inventree/widget/snacks.dart";
+
+
+/*
+ * Barcode handler class for scanning a new part into a SalesOrder
+ */
+
+class SOAddItemBarcodeHandler extends BarcodeHandler {
+
+  SOAddItemBarcodeHandler({this.salesOrder});
+
+  InvenTreeSalesOrder? salesOrder;
+
+  @override
+  String getOverlayText(BuildContext context) => L10().barcodeScanPart;
+
+  @override
+  Future<void> onBarcodeMatched(Map<String, dynamic> data) async {
+
+    // Extract the part ID from the returned data
+    int part_id = -1;
+
+    if (data.containsKey("part")) {
+      part_id = (data["part"] ?? {} as Map<String, dynamic>)["pk"] as int;
+    }
+
+    if (part_id <= 0) {
+      return onBarcodeUnknown(data);
+    }
+
+    // Request the part from the server
+    var part = await InvenTreePart().get(part_id);
+
+    if (part is InvenTreePart) {
+
+      if (part.isSalable) {
+        // Dispose of the barcode scanner
+        if (OneContext.hasContext) {
+          OneContext().pop();
+        }
+
+        final context = OneContext().context!;
+
+        var fields = InvenTreeSOLineItem().formFields();
+
+        fields["order"]?["value"] = salesOrder!.pk;
+        fields["order"]?["hidden"] = true;
+
+        fields["part"]?["value"] = part.pk;
+        fields["part"]?["hidden"] = false;
+
+        InvenTreeSOLineItem().createForm(
+          context,
+          L10().lineItemAdd,
+          fields: fields,
+        );
+
+      } else {
+        barcodeFailureTone();
+        showSnackIcon(L10().partNotSalable, success: false);
+      }
+
+    } else {
+      // Failed to fetch part
+      return onBarcodeUnknown(data);
+    }
+
+  }
+
+}

lib/inventree/sales_order.dart

@@ -118,7 +118,11 @@ class InvenTreeSOLineItem extends InvenTreeOrderLine {
       "order": {
         "hidden": true,
       },
-      "part": {},
+      "part": {
+        "filters": {
+          "salable": true,
+        }
+      },
       "quantity": {},
       "reference": {},
       "notes": {},

lib/l10n/app_en.arb

@@ -112,6 +112,9 @@
   "barcodeNotAssigned": "Barcode not assigned",
   "@barcodeNotAssigned": {},
 
+  "barcodeScanPart": "Scan part barcode",
+  "@barcodeScanPart": {},
+
   "barcodeReceivePart": "Scan barcode to receive part",
   "@barcodeReceivePart": {},
 
@@ -766,6 +769,9 @@
     "description": "Part (multiple)"
   },
 
+  "partNotSalable": "Part not marked as salable",
+  "@partNotSalable": {},
+
   "partsNone": "No Parts",
   "@partsNone": {},
 

lib/widget/order/sales_order_detail.dart

@@ -2,6 +2,8 @@
 import "package:flutter/material.dart";
 import "package:flutter_speed_dial/flutter_speed_dial.dart";
 import "package:font_awesome_flutter/font_awesome_flutter.dart";
+import "package:inventree/barcode/barcode.dart";
+import "package:inventree/barcode/sales_order.dart";
 import "package:inventree/inventree/company.dart";
 import "package:inventree/inventree/sales_order.dart";
 import "package:inventree/widget/order/so_line_list.dart";
@@ -101,7 +103,20 @@ class _SalesOrderDetailState extends RefreshableState<SalesOrderDetailWidget> {
   List<SpeedDialChild> barcodeButtons(BuildContext context) {
     List<SpeedDialChild> actions = [];
 
-    // TODO
+    if (widget.order.isOpen && InvenTreeSOLineItem().canCreate) {
+      actions.add(
+        SpeedDialChild(
+          child: Icon(Icons.barcode_reader),
+          label: L10().lineItemAdd,
+          onTap: () async {
+            scanBarcode(
+              context,
+              handler: SOAddItemBarcodeHandler(salesOrder: widget.order),
+            );
+          }
+        )
+      );
+    }
 
     return actions;
   }