Merge pull request #64 from beatz174-bit/codex/add-dropdown-and-checkboxes-for-categories-7h33gk

Deduplicate prefilled pick list products

src/screens/StartPickListScreen.test.tsx

@@ -133,4 +133,36 @@ describe('StartPickListScreen', () => {
       expect(item.status).toBe('pending');
     });
   });
+
+  it('deduplicates products when selected categories include overlaps', async () => {
+    const user = userEvent.setup();
+    productsToArrayMock.mockResolvedValue([
+      ...productsMock,
+      { ...productsMock[0] },
+      { ...productsMock[1], id: 'prod-2-duplicate' },
+    ]);
+
+    render(
+      <MemoryRouter>
+        <StartPickListScreen />
+      </MemoryRouter>,
+    );
+
+    await user.click(screen.getByLabelText(/area/i));
+    await user.click(screen.getByRole('option', { name: /front counter/i }));
+
+    await user.click(screen.getByRole('checkbox', { name: /drinks/i }));
+    await user.click(screen.getByRole('checkbox', { name: /snacks/i }));
+
+    await user.click(screen.getByRole('button', { name: /save pick list/i }));
+
+    await waitFor(() => expect(pickItemsBulkAddMock).toHaveBeenCalled());
+
+    const pickItems = pickItemsBulkAddMock.mock.calls[0][0];
+    const uniqueProductIds = new Set(pickItems.map((item: any) => item.product_id));
+
+    expect(pickItems).toHaveLength(2);
+    expect(uniqueProductIds.size).toBe(2);
+    expect(uniqueProductIds).toEqual(new Set(['prod-1', 'prod-2']));
+  });
 });

src/screens/StartPickListScreen.tsx

@@ -66,12 +66,23 @@ export const StartPickListScreen = () => {
         (product) => selectedCategoryNames.includes(product.category) && !product.archived,
       );
 
+      const uniqueProducts: typeof productsInCategories = [];
+      const seenNames = new Set<string>();
+
+      productsInCategories.forEach((product) => {
+        const nameKey = product.name.toLowerCase();
+        if (!seenNames.has(nameKey)) {
+          seenNames.add(nameKey);
+          uniqueProducts.push(product);
+        }
+      });
+
       if (productsInCategories.length === 0) {
         return;
       }
 
       await db.pickItems.bulkAdd(
-        productsInCategories.map((product) => ({
+        uniqueProducts.map((product) => ({
           id: uuidv4(),
           pick_list_id: pickListId,
           product_id: product.id,