Improve product image handling and add costPerUnit

Added a utility to generate product image URLs, ensuring images are displayed correctly in the product table. Updated the Product model to include an optional costPerUnit field. Minor UI and code formatting improvements were made for consistency.

app/dashboard/products/page.tsx

@@ -45,7 +45,7 @@ const ProfitAnalysisModal = dynamic(() => import("@/components/modals/profit-ana
 
 function ProductTableSkeleton() {
   return (
-    <Card className="animate-in fade-in duration-500">
+    <Card className="animate-in fade-in duration-500 border-border/40 bg-background/50 backdrop-blur-sm shadow-sm">
       <CardHeader>
         <div className="flex items-center justify-between">
           <Skeleton className="h-6 w-32" />

components/tables/product-table.tsx

@@ -1,3 +1,4 @@
+import {
   Table,
   TableBody,
   TableCell,
@@ -13,7 +14,7 @@ import {
   AlertCircle,
   Calculator,
   Copy,
-  PackageOffset,
+  PackageX,
   Archive
 } from "lucide-react";
 import { Button } from "@/components/ui/button";
@@ -23,6 +24,13 @@ import { Switch } from "@/components/ui/switch";
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
 import { motion, AnimatePresence } from "framer-motion";
 
+const getProductImageUrl = (product: Product) => {
+  if (!product.image) return null;
+  if (typeof product.image === 'string' && product.image.startsWith('http')) return product.image;
+  // Use the API endpoint to serve the image
+  return `${process.env.NEXT_PUBLIC_API_URL}/products/${product._id}/image`;
+};
+
 interface ProductTableProps {
   products: Product[];
   loading: boolean;
@@ -82,9 +90,13 @@ const ProductTable = ({
     >
       <TableCell className="font-medium">
         <div className="flex items-center gap-2">
-          <div className="h-8 w-8 rounded bg-muted/50 flex items-center justify-center text-muted-foreground">
-            {product.image ? (
-              <img src={product.image} alt={product.name} className="h-full w-full object-cover rounded" />
+          <div className="h-8 w-8 rounded bg-muted/50 flex items-center justify-center text-muted-foreground overflow-hidden relative">
+            {getProductImageUrl(product) ? (
+              <img
+                src={getProductImageUrl(product)!}
+                alt={product.name}
+                className="h-full w-full object-cover"
+              />
             ) : (
               <span className="text-xs font-bold">{product.name.charAt(0).toUpperCase()}</span>
             )}
@@ -227,7 +239,7 @@ const ProductTable = ({
                     <TableRow>
                       <TableCell colSpan={6} className="h-32 text-center text-muted-foreground">
                         <div className="flex flex-col items-center justify-center gap-2">
-                          <PackageOffset className="h-8 w-8 opacity-50" />
+                          <PackageX className="h-8 w-8 opacity-50" />
                           <p>No active products found</p>
                         </div>
                       </TableCell>

models/products.ts

@@ -15,4 +15,5 @@ export interface Product {
     pricePerUnit: number;
   }>;
   image?: string | File | null | undefined;
+  costPerUnit?: number;
 }