balls

2025-03-06 12:49:01 +00:00
parent e26069abfa
commit bc9f8ebbf9
8 changed files with 573 additions and 85 deletions
--- a/app/dashboard/products/page.tsx
+++ b/app/dashboard/products/page.tsx
@@ -16,6 +16,7 @@ import { ProductModal } from "@/components/modals/product-modal";
 import ProductTable from "@/components/tables/product-table";
 import { Category } from "@/models/categories";
 import ImportProductsModal from "@/components/modals/import-products-modal";
+import { toast } from "sonner";

 export default function ProductsPage() {
  const router = useRouter();
@@ -106,51 +107,76 @@ export default function ProductsPage() {

  
  const handleSaveProduct = async (data: Product, file?: File | null) => {
-    console.log("handleSaveProduct:", data, file);
+    const authToken = document.cookie
+      .split("; ")
+      .find((row) => row.startsWith("Authorization="))
+      ?.split("=")[1];

-    const adjustedPricing = data.pricing.map((tier) => ({
-      minQuantity: tier.minQuantity,
-      pricePerUnit:
-        typeof tier.pricePerUnit === "string"
-          ? parseFloat(tier.pricePerUnit)
-          : tier.pricePerUnit,
-    }));
+    if (!authToken) {
+      router.push("/login");
+      return;
+    }

-    const productToSave: Product = {
-      ...data,
-      pricing: adjustedPricing,
-    };
+    setLoading(true);

    try {
-      const authToken = document.cookie.split("Authorization=")[1];
-      const apiUrl = editing
-        ? `${process.env.NEXT_PUBLIC_API_URL}/products/${data._id}`
-        : `${process.env.NEXT_PUBLIC_API_URL}/products`;
+      const url = editing
+        ? `/api/products/${data._id}`
+        : "/api/products";

+      // Save product data
      const savedProduct = await saveProductData(
-        apiUrl,
-        productToSave,
+        url,
+        {
+          name: data.name,
+          description: data.description,
+          unitType: data.unitType,
+          category: data.category,
+          pricing: data.pricing,
+          stockTracking: data.stockTracking,
+          currentStock: data.currentStock,
+          lowStockThreshold: data.lowStockThreshold
+        },
        authToken,
        editing ? "PUT" : "POST"
      );

      if (file) {
-        await saveProductImage(`${process.env.NEXT_PUBLIC_API_URL}/products/${savedProduct._id}/image`, file, authToken);
+        await saveProductImage(
+          `/api/products/${savedProduct._id}/image`,
+          file,
+          authToken
+        );
      }

-      setProducts((prevProducts) => {
-        if (editing) {
-          return prevProducts.map((product) =>
-            product._id === savedProduct._id ? savedProduct : product
-          );
-        } else {
-          return [...prevProducts, savedProduct];
-        }
-      });
+      // If editing and stock values were updated, update stock in the dedicated endpoint
+      if (editing && data.stockTracking !== undefined) {
+        await saveProductData(
+          `/api/stock/${data._id}`,
+          {
+            stockTracking: data.stockTracking,
+            currentStock: data.currentStock || 0,
+            lowStockThreshold: data.lowStockThreshold || 10
+          },
+          authToken,
+          "PUT"
+        );
+      }
+
+      // Refresh products list
+      const fetchedProducts = await fetchProductData("/api/products", authToken);
+      setProducts(fetchedProducts);
      
      setModalOpen(false);
+      setLoading(false);
+      
+      toast.success(
+        editing ? "Product updated successfully" : "Product added successfully"
+      );
    } catch (error) {
-      console.error("Error saving product:", error);
+      console.error(error);
+      setLoading(false);
+      toast.error("Failed to save product");
    }
  };

@@ -194,11 +220,14 @@ export default function ProductsPage() {
      description: "",
      unitType: "pcs",
      category: "",
+      stockTracking: true,
+      currentStock: 0,
+      lowStockThreshold: 10,
      pricing: [{ minQuantity: 1, pricePerUnit: 0 }],
      image: null,
    });
    setEditing(false);
-    setAddProductOpen(true);
+    setModalOpen(true);
  };

  // Get category name by ID
--- a/app/dashboard/stock/page.tsx
+++ b/app/dashboard/stock/page.tsx
@@ -0,0 +1,294 @@
+"use client";
+
+import { useState, useEffect } from "react";
+import { useRouter } from "next/navigation";
+import Layout from "@/components/layout/layout";
+import { Button } from "@/components/ui/button";
+import { Table, TableHeader, TableRow, TableHead, TableBody, TableCell } from "@/components/ui/table";
+import { Input } from "@/components/ui/input";
+import { Product } from "@/models/products";
+import { Package, RefreshCw } from "lucide-react";
+import { fetchProductData, updateProductStock } from "@/lib/productData";
+import { toast } from "sonner";
+
+export default function StockManagementPage() {
+  const router = useRouter();
+  const [products, setProducts] = useState<Product[]>([]);
+  const [loading, setLoading] = useState<boolean>(true);
+  const [editingStock, setEditingStock] = useState<Record<string, boolean>>({});
+  const [stockValues, setStockValues] = useState<Record<string, number>>({});
+  const [searchTerm, setSearchTerm] = useState<string>("");
+
+  useEffect(() => {
+    const authToken = document.cookie
+      .split("; ")
+      .find((row) => row.startsWith("Authorization="))
+      ?.split("=")[1];
+
+    if (!authToken) {
+      router.push("/login");
+      return;
+    }
+
+    const fetchDataAsync = async () => {
+      try {
+        const fetchedProducts = await fetchProductData("/api/products", authToken);
+        setProducts(fetchedProducts);
+        
+        // Initialize stock values
+        const initialStockValues: Record<string, number> = {};
+        fetchedProducts.forEach((product: Product) => {
+          if (product._id) {
+            initialStockValues[product._id] = product.currentStock || 0;
+          }
+        });
+        setStockValues(initialStockValues);
+        
+        setLoading(false);
+      } catch (error) {
+        console.error("Error fetching products:", error);
+        setLoading(false);
+      }
+    };
+
+    fetchDataAsync();
+  }, [router]);
+
+  const handleEditStock = (productId: string) => {
+    setEditingStock({
+      ...editingStock,
+      [productId]: true,
+    });
+  };
+
+  const handleSaveStock = async (product: Product) => {
+    if (!product._id) return;
+    
+    const authToken = document.cookie
+      .split("; ")
+      .find((row) => row.startsWith("Authorization="))
+      ?.split("=")[1];
+
+    if (!authToken) {
+      router.push("/login");
+      return;
+    }
+
+    try {
+      const newStockValue = stockValues[product._id] || 0;
+      
+      await updateProductStock(
+        product._id,
+        {
+          currentStock: newStockValue,
+          stockTracking: product.stockTracking
+        },
+        authToken
+      );
+
+      // Update local products state
+      setProducts(products.map(p => {
+        if (p._id === product._id) {
+          return {
+            ...p,
+            currentStock: newStockValue
+          };
+        }
+        return p;
+      }));
+
+      setEditingStock({
+        ...editingStock,
+        [product._id]: false,
+      });
+
+      toast.success("Stock updated successfully");
+    } catch (error) {
+      console.error("Error updating stock:", error);
+      toast.error("Failed to update stock");
+    }
+  };
+
+  const handleStockChange = (productId: string, value: number) => {
+    setStockValues({
+      ...stockValues,
+      [productId]: value,
+    });
+  };
+
+  const getStockStatus = (product: Product) => {
+    if (!product.stockTracking) return "Not Tracked";
+    
+    if (!product.currentStock || product.currentStock <= 0) {
+      return "Out of Stock";
+    } else if (product.lowStockThreshold && product.currentStock <= product.lowStockThreshold) {
+      return "Low Stock";
+    } else {
+      return "In Stock";
+    }
+  };
+
+  const filteredProducts = products.filter(product => {
+    const matchesSearch = 
+      !searchTerm || 
+      product.name.toLowerCase().includes(searchTerm.toLowerCase());
+    
+    return matchesSearch;
+  });
+
+  const statsData = {
+    total: products.length,
+    inStock: products.filter(p => p.stockTracking && p.currentStock && p.currentStock > 0 && (!p.lowStockThreshold || p.currentStock > p.lowStockThreshold)).length,
+    lowStock: products.filter(p => p.stockTracking && p.lowStockThreshold && p.currentStock && p.currentStock <= p.lowStockThreshold && p.currentStock > 0).length,
+    outOfStock: products.filter(p => p.stockTracking && (!p.currentStock || p.currentStock <= 0)).length,
+    notTracked: products.filter(p => p.stockTracking === false).length
+  };
+
+  return (
+    <Layout>
+      <div className="container mx-auto">
+        <div className="flex justify-between items-center mb-8">
+          <h1 className="text-2xl font-bold">Stock Management</h1>
+          <Button onClick={() => router.push("/dashboard/products")}>
+            <Package className="mr-2 h-4 w-4" />
+            Manage Products
+          </Button>
+        </div>
+
+        <div className="grid grid-cols-5 gap-4 mb-8">
+          <div className="bg-background rounded-lg border border-border p-4">
+            <div className="text-3xl font-bold">{statsData.total}</div>
+            <div className="text-sm text-muted-foreground">Total Products</div>
+          </div>
+          
+          <div className="bg-background rounded-lg border border-border p-4">
+            <div className="text-3xl font-bold text-green-500">{statsData.inStock}</div>
+            <div className="text-sm text-muted-foreground">In Stock</div>
+          </div>
+          
+          <div className="bg-background rounded-lg border border-border p-4">
+            <div className="text-3xl font-bold text-amber-500">{statsData.lowStock}</div>
+            <div className="text-sm text-muted-foreground">Low Stock</div>
+          </div>
+          
+          <div className="bg-background rounded-lg border border-border p-4">
+            <div className="text-3xl font-bold text-red-500">{statsData.outOfStock}</div>
+            <div className="text-sm text-muted-foreground">Out of Stock</div>
+          </div>
+          
+          <div className="bg-background rounded-lg border border-border p-4">
+            <div className="text-3xl font-bold text-gray-500">{statsData.notTracked}</div>
+            <div className="text-sm text-muted-foreground">Not Tracked</div>
+          </div>
+        </div>
+
+        <div className="bg-background rounded-lg border border-border">
+          <div className="p-4 border-b border-border flex justify-between items-center">
+            <h2 className="text-xl font-semibold">Inventory List</h2>
+            <div className="flex items-center gap-2">
+              <Input
+                placeholder="Search products..."
+                value={searchTerm}
+                onChange={(e) => setSearchTerm(e.target.value)}
+                className="w-64"
+              />
+              <Button 
+                variant="outline" 
+                size="icon"
+                onClick={() => setSearchTerm("")}
+              >
+                <RefreshCw className="h-4 w-4" />
+              </Button>
+            </div>
+          </div>
+          
+          <div className="overflow-x-auto">
+            <Table>
+              <TableHeader>
+                <TableRow>
+                  <TableHead>Product</TableHead>
+                  <TableHead>Unit</TableHead>
+                  <TableHead>Status</TableHead>
+                  <TableHead>Current Stock</TableHead>
+                  <TableHead>Low Stock Threshold</TableHead>
+                  <TableHead className="text-right">Actions</TableHead>
+                </TableRow>
+              </TableHeader>
+              <TableBody>
+                {loading ? (
+                  <TableRow>
+                    <TableCell colSpan={6} className="h-24 text-center">
+                      Loading...
+                    </TableCell>
+                  </TableRow>
+                ) : filteredProducts.length > 0 ? (
+                  filteredProducts.map((product) => (
+                    <TableRow key={product._id}>
+                      <TableCell className="font-medium">{product.name}</TableCell>
+                      <TableCell>{product.unitType}</TableCell>
+                      <TableCell className={
+                        product.stockTracking === false ? "text-gray-500" :
+                        !product.currentStock || product.currentStock <= 0 ? "text-red-500" :
+                        product.lowStockThreshold && product.currentStock <= product.lowStockThreshold ? "text-amber-500" :
+                        "text-green-500"
+                      }>
+                        {getStockStatus(product)}
+                      </TableCell>
+                      <TableCell>
+                        {editingStock[product._id as string] ? (
+                          <Input
+                            type="number"
+                            min="0"
+                            step={product.unitType === "gr" ? "0.1" : "1"}
+                            value={stockValues[product._id as string]}
+                            onChange={(e) => handleStockChange(product._id as string, parseFloat(e.target.value))}
+                            className="max-w-[100px]"
+                          />
+                        ) : (
+                          product.stockTracking ? 
+                            `${product.currentStock || 0} ${product.unitType}` : 
+                            "N/A"
+                        )}
+                      </TableCell>
+                      <TableCell>
+                        {product.stockTracking ? 
+                          `${product.lowStockThreshold || 0} ${product.unitType}` : 
+                          "N/A"}
+                      </TableCell>
+                      <TableCell className="text-right">
+                        {product.stockTracking && (
+                          editingStock[product._id as string] ? (
+                            <Button 
+                              size="sm" 
+                              onClick={() => handleSaveStock(product)}
+                            >
+                              Save
+                            </Button>
+                          ) : (
+                            <Button 
+                              variant="outline" 
+                              size="sm" 
+                              onClick={() => handleEditStock(product._id as string)}
+                            >
+                              Update Stock
+                            </Button>
+                          )
+                        )}
+                      </TableCell>
+                    </TableRow>
+                  ))
+                ) : (
+                  <TableRow>
+                    <TableCell colSpan={6} className="h-24 text-center">
+                      No products found.
+                    </TableCell>
+                  </TableRow>
+                )}
+              </TableBody>
+            </Table>
+          </div>
+        </div>
+      </div>
+    </Layout>
+  );
+} 
--- a/components/modals/product-modal.tsx
+++ b/components/modals/product-modal.tsx
@@ -102,15 +102,32 @@ export const ProductModal: React.FC<ProductModalProps> = ({
  };

  const handleSave = async () => {
-    if (!productData.category) {
-      toast.error("Please select or add a category");
-      return;
+    try {
+      // Validate required fields
+      if (!productData.name || !productData.category || !productData.unitType) {
+        toast.error("Please fill in all required fields");
+        return;
+      }
+
+      // Validate pricing tiers
+      if (!productData.pricing || productData.pricing.length === 0) {
+        toast.error("At least one pricing tier is required");
+        return;
+      }
+
+      // Make sure stock values are numbers
+      let stockData = { ...productData };
+      if (stockData.stockTracking) {
+        stockData.currentStock = Number(stockData.currentStock) || 0;
+        stockData.lowStockThreshold = Number(stockData.lowStockThreshold) || 10;
+      }
+
+      await onSave(stockData, selectedFile);
+      onClose();
+    } catch (error) {
+      console.error("Error saving product:", error);
+      toast.error("Failed to save product");
    }
-
-
-    onSave(productData, selectedFile);
-    toast.success(editing ? "Product updated!" : "Product added!");
-    onClose();
  };

  const handleAddCategory = (newCategory: { _id: string; name: string; parentId?: string }) => {
@@ -183,42 +200,111 @@ const ProductBasicInfo: React.FC<{
  setProductData: React.Dispatch<React.SetStateAction<ProductData>>;
  onAddCategory: (newCategory: { _id: string; name: string; parentId?: string }) => void;
 }> = ({ productData, handleChange, categories, setProductData, onAddCategory }) => (
-  <div className="space-y-4">
+  <div className="grid gap-4 mb-4">
    <div>
-      <label className="text-sm font-medium">Product Name</label>
+      <label htmlFor="name" className="text-sm font-medium">
+        Name
+      </label>
      <Input
+        id="name"
        name="name"
-        placeholder="Product Name"
-        value={productData.name}
+        required
+        value={productData.name || ""}
        onChange={handleChange}
-        className="text-sm h-9"
+        placeholder="Product name"
      />
    </div>
    
    <div>
      <label className="text-sm font-medium">Description</label>
      <Textarea
+        id="description"
        name="description"
-        placeholder="Product Description"
-        value={productData.description}
+        rows={3}
+        value={productData.description || ""}
        onChange={handleChange}
-        rows={4}
-        className="text-sm h-24"
+        placeholder="Product description"
      />
    </div>
    
-    <CategorySelect
-      categories={categories}
-      value={productData.category}
-      setProductData={setProductData}
-      onAddCategory={onAddCategory}
-    />
+    {/* Stock Management Section */}
+    <div className="bg-background rounded-lg border border-border p-4">
+      <h3 className="text-sm font-medium mb-4">Stock Management</h3>
      
-    <UnitTypeSelect
-      value={productData.unitType}
-      setProductData={setProductData}
-      categories={categories}
-    />
+      <div className="flex items-center space-x-2 mb-4">
+        <input
+          id="stockTracking"
+          name="stockTracking"
+          type="checkbox"
+          className="h-4 w-4 rounded border-gray-300"
+          checked={productData.stockTracking !== false}
+          onChange={(e) => {
+            setProductData({
+              ...productData,
+              stockTracking: e.target.checked
+            });
+          }}
+        />
+        <label htmlFor="stockTracking" className="text-sm">
+          Enable Stock Tracking
+        </label>
+      </div>
+      
+      {productData.stockTracking !== false && (
+        <div className="grid grid-cols-2 gap-4">
+          <div>
+            <label htmlFor="lowStockThreshold" className="text-sm font-medium">
+              Low Stock Threshold
+            </label>
+            <Input
+              id="lowStockThreshold"
+              name="lowStockThreshold"
+              type="number"
+              min="1"
+              step={productData.unitType === 'gr' ? '0.1' : '1'}
+              value={productData.lowStockThreshold || 10}
+              onChange={handleChange}
+              placeholder="10"
+            />
+          </div>
+          <div>
+            <label htmlFor="currentStock" className="text-sm font-medium">
+              Current Stock
+            </label>
+            <Input
+              id="currentStock"
+              name="currentStock"
+              type="number"
+              min="0"
+              step={productData.unitType === 'gr' ? '0.1' : '1'}
+              value={productData.currentStock || 0}
+              onChange={handleChange}
+              placeholder="0"
+            />
+          </div>
+        </div>
+      )}
+    </div>
+    
+    <div className="grid grid-cols-2 gap-4">
+      <div>
+        <label className="text-sm font-medium">Category</label>
+        <CategorySelect
+          categories={categories}
+          value={productData.category}
+          setProductData={setProductData}
+          onAddCategory={onAddCategory}
+        />
+      </div>
+      <div>
+        <label className="text-sm font-medium">Unit Type</label>
+        <UnitTypeSelect
+          value={productData.unitType}
+          setProductData={setProductData}
+          categories={categories}
+        />
+      </div>
+    </div>
  </div>
 );

--- a/components/tables/product-table.tsx
+++ b/components/tables/product-table.tsx
@@ -1,13 +1,14 @@
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table";
-import { Edit, Trash } from "lucide-react";
+import { Edit, Trash, AlertTriangle, CheckCircle, AlertCircle } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import { Product } from "@/models/products";
+import { Badge } from "@/components/ui/badge";

 interface ProductTableProps {
  products: Product[];
  loading: boolean;
  onEdit: (product: Product) => void;
-  onDelete: (productId: string) => void; // Added onDelete prop
+  onDelete: (productId: string) => void;
  getCategoryNameById: (categoryId: string) => string;
 }

@@ -24,6 +25,19 @@ const ProductTable = ({
    const categoryNameB = getCategoryNameById(b.category);
    return categoryNameA.localeCompare(categoryNameB);
  });
+
+  const getStockIcon = (product: Product) => {
+    if (!product.stockTracking) return null;
+    
+    if (product.stockStatus === 'out_of_stock') {
+      return <AlertTriangle className="h-4 w-4 text-red-500" />;
+    } else if (product.stockStatus === 'low_stock') {
+      return <AlertCircle className="h-4 w-4 text-amber-500" />;
+    } else {
+      return <CheckCircle className="h-4 w-4 text-green-500" />;
+    }
+  };
+
  return (
    <div className="rounded-lg border dark:border-zinc-700 shadow-sm overflow-hidden">
      <Table className="relative">
@@ -32,6 +46,7 @@ const ProductTable = ({
            <TableHead className="w-[200px]">Product</TableHead>
            <TableHead className="text-center">Category</TableHead>
            <TableHead className="text-center">Unit</TableHead>
+            <TableHead className="text-center">Stock</TableHead>
            <TableHead className="text-right">Actions</TableHead>
          </TableRow>
        </TableHeader>
@@ -43,31 +58,47 @@ const ProductTable = ({
                <TableCell>Loading...</TableCell>
                <TableCell>Loading...</TableCell>
                <TableCell>Loading...</TableCell>
+                <TableCell>Loading...</TableCell>
              </TableRow>
            ))
          ) : sortedProducts.length > 0 ? (
            sortedProducts.map((product) => (
              <TableRow key={product._id} className="transition-colors hover:bg-gray-50 dark:hover:bg-zinc-800/70">
-                <TableCell className="font-medium">{product.name}</TableCell>
-                <TableCell className="text-center">
-                  {getCategoryNameById(product.category)} {/* Display category name */}
+                <TableCell>
+                  <div className="font-medium truncate max-w-[180px]">{product.name}</div>
                </TableCell>
-                <TableCell className="text-center uppercase text-sm">{product.unitType}</TableCell>
-                <TableCell className="text-right">
-                  <div className="flex justify-end space-x-2">
-                    <Button size="sm" variant="ghost" onClick={() => onEdit(product)}>
-                      <Edit className="h-4 w-4" />
-                    </Button>
-                    <Button size="sm" variant="ghost" className="text-red-600 hover:text-red-700 dark:text-red-400" onClick={() => onDelete(product._id ?? "")}>
-                      <Trash className="h-4 w-4" />
-                    </Button>
-                  </div>
+                <TableCell className="text-center">{getCategoryNameById(product.category)}</TableCell>
+                <TableCell className="text-center">{product.unitType}</TableCell>
+                <TableCell className="text-center">
+                  {product.stockTracking ? (
+                    <div className="flex items-center justify-center gap-1">
+                      {getStockIcon(product)}
+                      <span className="text-sm">
+                        {product.currentStock !== undefined ? product.currentStock : 0} {product.unitType}
+                      </span>
+                    </div>
+                  ) : (
+                    <Badge variant="outline" className="text-xs">Not Tracked</Badge>
+                  )}
+                </TableCell>
+                <TableCell className="text-right flex justify-end space-x-1">
+                  <Button variant="ghost" size="sm" onClick={() => onEdit(product)}>
+                    <Edit className="h-4 w-4" />
+                  </Button>
+                  <Button
+                    variant="ghost"
+                    size="sm"
+                    onClick={() => onDelete(product._id as string)}
+                    className="text-red-500 hover:text-red-600 hover:bg-red-50 dark:hover:bg-red-950/20"
+                  >
+                    <Trash className="h-4 w-4" />
+                  </Button>
                </TableCell>
              </TableRow>
            ))
          ) : (
            <TableRow>
-              <TableCell colSpan={4} className="h-24 text-center">
+              <TableCell colSpan={5} className="h-24 text-center">
                No products found.
              </TableCell>
            </TableRow>
--- a/config/sidebar.ts
+++ b/config/sidebar.ts
@@ -1,4 +1,4 @@
-import { Home, Package, Box, Truck, Settings, FolderTree, MessageCircle } from "lucide-react"
+import { Home, Package, Box, Truck, Settings, FolderTree, MessageCircle, BarChart3 } from "lucide-react"

 export const sidebarConfig = [
  {
@@ -12,6 +12,7 @@ export const sidebarConfig = [
    title: "Management",
    items: [
      { name: "Products", href: "/dashboard/products", icon: Box },
+      { name: "Stock", href: "/dashboard/stock", icon: BarChart3 },
      { name: "Categories", href: "/dashboard/categories", icon: FolderTree}, 
      { name: "Shipping", href: "/dashboard/shipping", icon: Truck },
      { name: "Storefront", href: "/dashboard/storefront", icon: Settings },
--- a/lib/productData.ts
+++ b/lib/productData.ts
@@ -68,3 +68,41 @@ export const deleteProductData = async (url: string, authToken: string) => {
    throw error;
  }
 };
+
+// Stock management functions
+export const fetchStockData = async (authToken: string) => {
+  try {
+    return await fetchData('/api/stock', {
+      headers: { Authorization: `Bearer ${authToken}` },
+      credentials: "include",
+    });
+  } catch (error) {
+    console.error("Error fetching stock data:", error);
+    throw error;
+  }
+};
+
+export const updateProductStock = async (
+  productId: string,
+  stockData: {
+    currentStock: number;
+    stockTracking?: boolean;
+    lowStockThreshold?: number;
+  },
+  authToken: string
+) => {
+  try {
+    return await fetchData(`/api/stock/${productId}`, {
+      method: "PUT",
+      headers: {
+        Authorization: `Bearer ${authToken}`,
+        "Content-Type": "application/json",
+      },
+      credentials: "include",
+      body: JSON.stringify(stockData),
+    });
+  } catch (error) {
+    console.error("Error updating product stock:", error);
+    throw error;
+  }
+};
--- a/lib/types.ts
+++ b/lib/types.ts
@@ -38,6 +38,10 @@ export interface Product {
  name: string
  description: string
  stock?: number
+  stockTracking?: boolean
+  currentStock?: number
+  lowStockThreshold?: number
+  stockStatus?: 'in_stock' | 'low_stock' | 'out_of_stock'
  unitType: string
  category: string
  pricing: PricingTier[]
--- a/models/products.ts
+++ b/models/products.ts
@@ -4,6 +4,11 @@ export interface Product {
  description: string;
  unitType: string;
  category: string;
+  // Stock management fields
+  stockTracking?: boolean;
+  currentStock?: number;
+  lowStockThreshold?: number;
+  stockStatus?: 'in_stock' | 'low_stock' | 'out_of_stock';
  pricing: Array<{
    minQuantity: number;
    pricePerUnit: number;