[dyad] Implemented a QR code scanner to filter the stock list - wrote 5 file(s), added html5-qrcode package(s)

package.json

@@ -46,6 +46,7 @@
     "cmdk": "^1.0.0",
     "date-fns": "^3.6.0",
     "embla-carousel-react": "^8.3.0",
+    "html5-qrcode": "^2.3.8",
     "input-otp": "^1.2.4",
     "lucide-react": "^0.462.0",
     "next-themes": "^0.3.0",

pnpm-lock.yaml

@@ -113,6 +113,9 @@ importers:
       embla-carousel-react:
         specifier: ^8.3.0
         version: 8.6.0(react@18.3.1)
+      html5-qrcode:
+        specifier: ^2.3.8
+        version: 2.3.8
       input-otp:
         specifier: ^1.2.4
         version: 1.4.2(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
@@ -1829,6 +1832,9 @@ packages:
     resolution: {integrity: sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==}
     engines: {node: '>= 0.4'}
 
+  html5-qrcode@2.3.8:
+    resolution: {integrity: sha512-jsr4vafJhwoLVEDW3n1KvPnCCXWaQfRng0/EEYk1vNcQGcG/htAdhJX0be8YyqMoSz7+hZvOZSTAepsabiuhiQ==}
+
   ignore@5.3.2:
     resolution: {integrity: sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g==}
     engines: {node: '>= 4'}
@@ -4052,6 +4058,8 @@ snapshots:
     dependencies:
       function-bind: 1.1.2
 
+  html5-qrcode@2.3.8: {}
+
   ignore@5.3.2: {}
 
   import-fresh@3.3.1:

src/components/stock/QRScannerDialog.tsx

@@ -0,0 +1,74 @@
+"use client"
+
+import { useEffect } from "react"
+import { Html5QrcodeScanner } from "html5-qrcode"
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+  DialogDescription,
+} from "@/components/ui/dialog"
+
+interface QRScannerDialogProps {
+  open: boolean
+  onOpenChange: (open: boolean) => void
+  onScanSuccess: (decodedText: string) => void
+}
+
+const QRScannerDialog = ({ open, onOpenChange, onScanSuccess }: QRScannerDialogProps) => {
+  useEffect(() => {
+    if (!open) return;
+
+    const scanner = new Html5QrcodeScanner(
+      "reader", // The ID of the element to render the scanner in
+      {
+        qrbox: {
+          width: 250,
+          height: 250,
+        },
+        fps: 5,
+      },
+      false // verbose
+    );
+
+    const handleSuccess = (decodedText: string) => {
+      scanner.clear();
+      onScanSuccess(decodedText);
+    };
+
+    const handleError = (error: any) => {
+      // Don't log common errors like QR code not found
+      if (typeof error !== 'string' || !error.includes('No QR code found')) {
+        console.error("QR Scanner Error:", error);
+      }
+    };
+
+    scanner.render(handleSuccess, handleError);
+
+    // Cleanup function to stop the scanner when the component unmounts or dialog closes
+    return () => {
+      if (scanner) {
+        scanner.clear().catch(error => {
+          console.error("Failed to clear scanner.", error);
+        });
+      }
+    };
+  }, [open, onScanSuccess]);
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>Scan QR Code</DialogTitle>
+          <DialogDescription>
+            Point your camera at a QR code to scan it.
+          </DialogDescription>
+        </DialogHeader>
+        <div id="reader" className="w-full"></div>
+      </DialogContent>
+    </Dialog>
+  );
+};
+
+export default QRScannerDialog;

src/components/stock/data-table.tsx

@@ -35,11 +35,15 @@ import {
 interface DataTableProps<TData, TValue> {
   columns: ColumnDef<TData, TValue>[]
   data: TData[]
+  filterValue: string
+  onFilterChange: (value: string) => void
 }
 
 export function DataTable<TData, TValue>({
   columns,
   data,
+  filterValue,
+  onFilterChange,
 }: DataTableProps<TData, TValue>) {
   const [sorting, setSorting] = React.useState<SortingState>([])
   const [columnFilters, setColumnFilters] = React.useState<ColumnFiltersState>([])
@@ -76,15 +80,18 @@ export function DataTable<TData, TValue>({
     },
   })
 
+  // Sync external filter value with the table's internal state
+  React.useEffect(() => {
+    table.getColumn("sku")?.setFilterValue(filterValue)
+  }, [filterValue, table])
+
   return (
     <div>
       <div className="flex items-center py-4">
         <Input
-          placeholder="Filter by item name..."
-          value={(table.getColumn("name")?.getFilterValue() as string) ?? ""}
-          onChange={(event) =>
-            table.getColumn("name")?.setFilterValue(event.target.value)
-          }
+          placeholder="Filter by SKU..."
+          value={filterValue}
+          onChange={(event) => onFilterChange(event.target.value)}
           className="max-w-sm"
         />
         <DropdownMenu>

src/pages/StockList.tsx

@@ -12,6 +12,7 @@ import {
   DialogTrigger,
 } from "@/components/ui/dialog"
 import { AddItemForm } from "../components/stock/AddItemForm"
+import QRScannerDialog from "../components/stock/QRScannerDialog"
 
 // In a real app, you would fetch this data from an API.
 const data: StockItem[] = [
@@ -88,21 +89,33 @@ const data: StockItem[] = [
 ];
 
 const StockList = () => {
-  const [open, setOpen] = useState(false);
+  const [addItemOpen, setAddItemOpen] = useState(false);
+  const [scannerOpen, setScannerOpen] = useState(false);
+  const [filterValue, setFilterValue] = useState("");
+
+  const handleScanSuccess = (decodedText: string) => {
+    setFilterValue(decodedText);
+    setScannerOpen(false);
+  };
 
   return (
     <div>
+      <QRScannerDialog 
+        open={scannerOpen}
+        onOpenChange={setScannerOpen}
+        onScanSuccess={handleScanSuccess}
+      />
       <div className="flex flex-col md:flex-row md:justify-between md:items-center gap-4 mb-6">
         <div>
             <h1 className="text-3xl font-bold">Stock List</h1>
             <p className="text-gray-500">Manage your inventory here.</p>
         </div>
         <div className="flex items-center space-x-2">
-          <Button variant="outline">
+          <Button variant="outline" onClick={() => setScannerOpen(true)}>
             <Camera className="mr-2 h-4 w-4" />
             Scan Barcode
           </Button>
-          <Dialog open={open} onOpenChange={setOpen}>
+          <Dialog open={addItemOpen} onOpenChange={setAddItemOpen}>
             <DialogTrigger asChild>
               <Button>
                 <PlusCircle className="mr-2 h-4 w-4" />
@@ -116,12 +129,17 @@ const StockList = () => {
                   Fill in the details below to add a new item to your inventory.
                 </DialogDescription>
               </DialogHeader>
-              <AddItemForm setOpen={setOpen} />
+              <AddItemForm setOpen={setAddItemOpen} />
             </DialogContent>
           </Dialog>
         </div>
       </div>
-      <DataTable columns={columns} data={data} />
+      <DataTable 
+        columns={columns} 
+        data={data} 
+        filterValue={filterValue}
+        onFilterChange={setFilterValue}
+      />
     </div>
   )
 }