Batch code generation (#7000)

* Refactor framework for generating batch codes

- Provide additional kwargs to plugin
- Move into new file
- Error handling

* Implement API endpoint for generating a new batch code

* Fixes

* Refactor into stock.generators

* Fix API endpoint

* Pass time context through to plugins

* Generate batch code when receiving items

* Create useGenerator hook

- Build up a dataset and query server whenever it changes
- Look for result in response data
- For now, just used for generating batch codes
- may be used for more in the future

* Refactor PurchaseOrderForms to use new generator hook

* Refactor StockForms implementation

* Remove dead code

* add OAS diff

* fix ref

* fix ref again

* wrong branch, sorry

* Update src/frontend/src/hooks/UseGenerator.tsx

Co-authored-by: Lukas <76838159+wolflu05@users.noreply.github.com>

* Bump API version

* Do not override batch code if already generated

* Add serial number generator

- Move to /generate/ API endpoint
- Move batch code generator too

* Update PUI endpoints

* Add debouncing to useGenerator hook

* Refactor useGenerator func

* Add serial number generator to stock form

* Add batch code genereator to build order form

* Update buildfields

* Use build batch code when creating new output

---------

Co-authored-by: Matthias Mair <code@mjmair.com>
Co-authored-by: Lukas <76838159+wolflu05@users.noreply.github.com>

src/frontend/src/forms/PurchaseOrderForms.tsx

@@ -39,6 +39,7 @@ import { ApiEndpoints } from '../enums/ApiEndpoints';
 import { ModelType } from '../enums/ModelType';
 import { InvenTreeIcon } from '../functions/icons';
 import { useCreateApiFormModal } from '../hooks/UseForm';
+import { useBatchCodeGenerator } from '../hooks/UseGenerator';
 import { apiUrl } from '../states/ApiState';
 
 /*
@@ -212,6 +213,12 @@ function LineItemFormRow({
     input.changeFn(input.idx, 'location', location);
   }, [location]);
 
+  const batchCodeGenerator = useBatchCodeGenerator((value: any) => {
+    if (!batchCode) {
+      setBatchCode(value);
+    }
+  });
+
   // State for serializing
   const [batchCode, setBatchCode] = useState<string>('');
   const [serials, setSerials] = useState<string>('');
@@ -219,6 +226,13 @@ function LineItemFormRow({
     onClose: () => {
       input.changeFn(input.idx, 'batch_code', '');
       input.changeFn(input.idx, 'serial_numbers', '');
+    },
+    onOpen: () => {
+      // Generate a new batch code
+      batchCodeGenerator.update({
+        part: record?.supplier_part_detail?.part,
+        order: record?.order
+      });
     }
   });