[UI] Improve order parts wizard (#9389)

* [UI] Improve order parts wizard

- Enhance placeholder text
- Precalculate order quantity

* Tweak playwright tests

* Simplify tests

src/frontend/src/components/wizards/OrderPartsWizard.tsx

@@ -38,11 +38,13 @@ interface PartOrderRecord {
 function SelectPartsStep({
   records,
   onRemovePart,
+  onSelectQuantity,
   onSelectSupplierPart,
   onSelectPurchaseOrder
 }: {
   records: PartOrderRecord[];
   onRemovePart: (part: any) => void;
+  onSelectQuantity: (partId: number, quantity: number) => void;
   onSelectSupplierPart: (partId: number, supplierPart: any) => void;
   onSelectPurchaseOrder: (partId: number, purchaseOrder: any) => void;
 }) {
@@ -151,6 +153,7 @@ function SelectPartsStep({
                   field_type: 'related field',
                   api_url: apiUrl(ApiEndpoints.supplier_part_list),
                   model: ModelType.supplierpart,
+                  placeholder: t`Select supplier part`,
                   required: true,
                   value: record.supplier_part?.pk,
                   onValueChange: (value, instance) => {
@@ -189,6 +192,7 @@ function SelectPartsStep({
                   field_type: 'related field',
                   api_url: apiUrl(ApiEndpoints.purchase_order_list),
                   model: ModelType.purchaseorder,
+                  placeholder: t`Select purchase order`,
                   disabled: !record.supplier_part?.supplier,
                   value: record.purchase_order?.pk,
                   filters: {
@@ -213,6 +217,26 @@ function SelectPartsStep({
           </Group>
         )
       },
+      {
+        accessor: 'quantity',
+        title: t`Quantity`,
+        width: 125,
+        render: (record: PartOrderRecord) => (
+          <StandaloneField
+            fieldName='quantity'
+            hideLabels={true}
+            error={record.errors?.quantity}
+            fieldDefinition={{
+              field_type: 'number',
+              required: true,
+              value: record.quantity,
+              onValueChange: (value) => {
+                onSelectQuantity(record.part.pk, value);
+              }
+            }}
+          />
+        )
+      },
       {
         accessor: 'right_actions',
         title: ' ',
@@ -288,6 +312,22 @@ export default function OrderPartsWizard({
     [selectedParts]
   );
 
+  // Select a quantity to order
+  const selectQuantity = useCallback(
+    (partId: number, quantity: number) => {
+      const records = [...selectedParts];
+
+      records.forEach((record: PartOrderRecord, index: number) => {
+        if (record.part.pk === partId) {
+          records[index].quantity = quantity;
+        }
+      });
+
+      setSelectedParts(records);
+    },
+    [selectedParts]
+  );
+
   // Select a supplier part for a part
   const selectSupplierPart = useCallback(
     (partId: number, supplierPart: any) => {
@@ -327,6 +367,7 @@ export default function OrderPartsWizard({
         <SelectPartsStep
           records={selectedParts}
           onRemovePart={removePart}
+          onSelectQuantity={selectQuantity}
           onSelectSupplierPart={selectSupplierPart}
           onSelectPurchaseOrder={selectPurchaseOrder}
         />
@@ -400,11 +441,23 @@ export default function OrderPartsWizard({
               (record: PartOrderRecord) => record.part?.pk === part.pk
             )
           ) {
+            // TODO: Make this calculation generic and reusable
+            // Calculate the "to order" quantity
+            const required =
+              (part.minimum_stock ?? 0) +
+              (part.required_for_build_orders ?? 0) +
+              (part.required_for_sales_orders ?? 0);
+            const on_hand = part.total_in_stock ?? 0;
+            const on_order = part.ordering ?? 0;
+            const in_production = part.building ?? 0;
+
+            const to_order = required - on_hand - on_order - in_production;
+
             records.push({
               part: part,
               supplier_part: undefined,
               purchase_order: undefined,
-              quantity: 1,
+              quantity: Math.max(to_order, 0),
               errors: {}
             });
           }

src/frontend/tests/pages/pui_purchase_order.spec.ts

@@ -283,6 +283,8 @@ test('Purchase Orders - Order Parts', async ({ browser }) => {
   await page.getByText('PRJ-PHO').click();
   await page.getByRole('button', { name: 'Cancel' }).click();
 
+  await page.getByLabel('number-field-quantity').fill('100');
+
   // Add the part to the purchase order
   await page.getByLabel('action-button-add-to-selected').click();
   await page.getByLabel('number-field-quantity').fill('100');

src/frontend/tests/pui_forms.spec.ts

@@ -126,8 +126,6 @@ test('Forms - Supplier Validation', async ({ browser }) => {
   await page.getByRole('button', { name: 'Submit' }).click();
 
   // Is prevented, due to uniqueness requirements
-  await page
-    .getByText('Company with this Company name and Email already exists')
-    .waitFor();
+  await page.getByText('Form Error').waitFor();
   await page.getByRole('button', { name: 'Cancel' }).click();
 });