const mongoose = require("mongoose"); const TransactionSchema = new mongoose.Schema({ merchant: { type: mongoose.Schema.Types.ObjectId, ref: "Merchant", required: [true, "Transaction must contain a reference to a merchant"] }, date: { type: Date, required: [true, "Must provide date and time transacted"] }, device: String, recipes: [{ recipe: { type: mongoose.Schema.Types.ObjectId, ref: "Recipe" }, quantity: { type: Number, min: [0, "Must be a positive number"] } }], posId: String }); module.exports = mongoose.model("Transaction", TransactionSchema);