ajinkya-mhetre-mern/backend/src/models/Product.js

A MERN starter with frontend and backend folders

// ===== src/models/Product.js =====
const mongoose = require('mongoose');

const productSchema = new mongoose.Schema({
  name: {
    type: String,
    required: [true, 'Product name is required'],
    trim: true
  },
  description: {
    type: String,
    required: [true, 'Description is required']
  },
  category: {
    type: String,
    enum: ['fruit', 'vegetable'],
    required: [true, 'Category is required']
  },
  price: {
    type: Number,
    required: [true, 'Price is required'],
    min: 0
  },
  unit: {
    type: String,
    enum: ['kg', 'gram', 'piece', 'dozen'],
    default: 'kg'
  },
  availableQuantity: {
    type: Number,
    required: [true, 'Available quantity is required'],
    min: 0
  },
  images: [{
    url: String,
    public_id: String
  }],
  farmer: {
    type: mongoose.Schema.Types.ObjectId,
    ref: 'User',
    required: true
  },
  isActive: {
    type: Boolean,
    default: true
  },
  harvestDate: {
    type: Date
  },
  expiryDate: {
    type: Date
  }
}, {
  timestamps: true
});

productSchema.index({ farmer: 1, category: 1 });
productSchema.index({ name: 'text', description: 'text' });

module.exports = mongoose.model('Product', productSchema);