Deduplicate pick list products by name

src/screens/ActivePickListScreen.test.tsx

@@ -4,37 +4,52 @@ import userEvent from '@testing-library/user-event';
 import { describe, expect, it, vi, beforeEach } from 'vitest';
 import { ActivePickListScreen } from './ActivePickListScreen';
 import { PickItem } from '../models/PickItem';
+import { Product } from '../models/Product';
 
 const addMock = vi.fn();
 const updateMock = vi.fn();
 const pickItemsMock = vi.fn<PickItem[], []>();
+const productsMock = vi.fn<Product[], []>();
+
+const defaultProducts: Product[] = [
+  {
+    id: 'prod-1',
+    name: 'Cola',
+    category: 'Drinks',
+    unit_type: 'unit',
+    bulk_name: 'box',
+    barcode: '111',
+    archived: false,
+    created_at: 0,
+    updated_at: 0,
+  },
+  {
+    id: 'prod-2',
+    name: 'Chips',
+    category: 'Snacks',
+    unit_type: 'unit',
+    bulk_name: 'box',
+    barcode: '222',
+    archived: false,
+    created_at: 0,
+    updated_at: 0,
+  },
+  {
+    id: 'prod-3',
+    name: 'Apple Juice',
+    category: 'Drinks',
+    unit_type: 'unit',
+    bulk_name: 'box',
+    barcode: '333',
+    archived: false,
+    created_at: 0,
+    updated_at: 0,
+  },
+];
 
 vi.mock('../hooks/dataHooks', () => ({
   usePickItems: () => pickItemsMock(),
-  useProducts: () => [
-    {
-      id: 'prod-1',
-      name: 'Cola',
-      category: 'Drinks',
-      unit_type: 'unit',
-      bulk_name: 'box',
-      barcode: '111',
-      archived: false,
-      created_at: 0,
-      updated_at: 0,
-    },
-    {
-      id: 'prod-2',
-      name: 'Chips',
-      category: 'Snacks',
-      unit_type: 'unit',
-      bulk_name: 'box',
-      barcode: '222',
-      archived: false,
-      created_at: 0,
-      updated_at: 0,
-    },
-  ],
+  useProducts: () => productsMock(),
   usePickList: () => ({ id: 'list-1', area_id: 'area-1', created_at: 0 }),
   useAreas: () => [{ id: 'area-1', name: 'Front Counter', created_at: 0, updated_at: 0 }],
 }));
@@ -55,6 +70,7 @@ describe('ActivePickListScreen product search', () => {
     addMock.mockReset();
     updateMock.mockReset();
     pickItemsMock.mockReturnValue([]);
+    productsMock.mockReturnValue(defaultProducts);
   });
 
   it('filters the product list based on the search query', async () => {
@@ -100,6 +116,90 @@ describe('ActivePickListScreen product search', () => {
     });
   });
 
+  it('sorts the product options alphabetically', async () => {
+    const user = userEvent.setup();
+
+    render(
+      <MemoryRouter initialEntries={['/pick-lists/1']}>
+        <Routes>
+          <Route path="/pick-lists/:id" element={<ActivePickListScreen />} />
+        </Routes>
+      </MemoryRouter>,
+    );
+
+    const combobox = screen.getByRole('combobox');
+    await user.click(combobox);
+
+    const listbox = await screen.findByRole('listbox');
+    const options = within(listbox).getAllByRole('option');
+
+    expect(options.map((option) => option.textContent)).toEqual([
+      'Apple Juice (Drinks)',
+      'Chips (Snacks)',
+      'Cola (Drinks)',
+    ]);
+  });
+
+  it('deduplicates product options with the same id', async () => {
+    const duplicateProducts = [...defaultProducts, { ...defaultProducts[0] }];
+    productsMock.mockReturnValue(duplicateProducts);
+
+    const user = userEvent.setup();
+
+    render(
+      <MemoryRouter initialEntries={['/pick-lists/1']}>
+        <Routes>
+          <Route path="/pick-lists/:id" element={<ActivePickListScreen />} />
+        </Routes>
+      </MemoryRouter>,
+    );
+
+    const combobox = screen.getByRole('combobox');
+    await user.click(combobox);
+
+    const listbox = await screen.findByRole('listbox');
+    const options = within(listbox).getAllByRole('option');
+
+    expect(options).toHaveLength(3);
+    expect(options.map((option) => option.textContent)).toEqual([
+      'Apple Juice (Drinks)',
+      'Chips (Snacks)',
+      'Cola (Drinks)',
+    ]);
+  });
+
+  it('deduplicates product options with the same name', async () => {
+    const duplicateNameProducts: Product[] = [
+      ...defaultProducts,
+      { ...defaultProducts[0], id: 'prod-duplicate', barcode: '999', updated_at: 5 },
+    ];
+
+    productsMock.mockReturnValue(duplicateNameProducts);
+
+    const user = userEvent.setup();
+
+    render(
+      <MemoryRouter initialEntries={['/pick-lists/1']}>
+        <Routes>
+          <Route path="/pick-lists/:id" element={<ActivePickListScreen />} />
+        </Routes>
+      </MemoryRouter>,
+    );
+
+    const combobox = screen.getByRole('combobox');
+    await user.click(combobox);
+
+    const listbox = await screen.findByRole('listbox');
+    const options = within(listbox).getAllByRole('option');
+
+    expect(options).toHaveLength(3);
+    expect(options.map((option) => option.textContent)).toEqual([
+      'Apple Juice (Drinks)',
+      'Chips (Snacks)',
+      'Cola (Drinks)',
+    ]);
+  });
+
   it('updates an existing pick item when the same packaging is selected', async () => {
     pickItemsMock.mockReturnValue([
       {

src/screens/ActivePickListScreen.tsx

@@ -48,15 +48,32 @@ export const ActivePickListScreen = () => {
     [areas, pickList?.area_id],
   );
 
+  const sortedProducts = useMemo(() => {
+    const uniqueProducts = new Map<string, Product>();
+
+    products.forEach((product) => {
+      const normalizedName = product.name.trim().toLowerCase();
+      const existing = uniqueProducts.get(normalizedName);
+
+      if (!existing || product.updated_at > existing.updated_at) {
+        uniqueProducts.set(normalizedName, product);
+      }
+    });
+
+    return Array.from(uniqueProducts.values()).sort((a, b) =>
+      a.name.localeCompare(b.name, undefined, { sensitivity: 'base' }),
+    );
+  }, [products]);
+
   const filteredProducts = useMemo(() => {
     const normalizedQuery = query.trim().toLowerCase();
-    if (!normalizedQuery) return products;
+    if (!normalizedQuery) return sortedProducts;
 
-    return products.filter((product) => {
+    return sortedProducts.filter((product) => {
       const searchableText = `${product.name} ${product.category} ${product.barcode ?? ''}`.toLowerCase();
       return searchableText.includes(normalizedQuery);
     });
-  }, [products, query]);
+  }, [sortedProducts, query]);
 
   useEffect(() => {
     if (!selectedProduct) return;