other

backend/models/Product.model.js

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+import mongoose from "mongoose";
+
+const ProductSchema = new mongoose.Schema({
+  storeId: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: "Store",
+    required: true,
+  },
+  category: { 
+    type: mongoose.Schema.Types.ObjectId, 
+    required: true,
+    ref: "Store.categories"
+  },
+
+  name: { type: String, required: true },
+  description: { type: String },
+
+  unitType: {
+    type: String,
+    enum: ["pcs", "gr", "kg"],
+    required: true,
+  },
+
+  // Add inventory tracking fields
+  stockTracking: { type: Boolean, default: true },
+  currentStock: { 
+    type: Number, 
+    default: 0,
+    validate: {
+      validator: function(value) {
+        return !this.stockTracking || value >= 0;
+      },
+      message: "Stock cannot be negative"
+    } 
+  },
+  lowStockThreshold: { type: Number, default: 10 },
+  stockStatus: { 
+    type: String,
+    enum: ["in_stock", "low_stock", "out_of_stock"],
+    default: "out_of_stock"
+  },
+
+  pricing: [
+    {
+      minQuantity: { 
+        type: Number, 
+        required: true,
+        validate: {
+          validator: function(value) {
+            if (this.parent().unitType === "gr") {
+              return value >= 0.1;
+            }
+            return value >= 1;
+          },
+          message: "Invalid minQuantity for unitType"
+        }
+      },
+      pricePerUnit: { 
+        type: Number, 
+        required: true, 
+        min: 0.01 
+      },
+    },
+  ],
+
+  image: { type: String },
+});
+
+export default mongoose.model("Product", ProductSchema);