Kate's deliverEat

database.js

@@ -0,0 +1,93 @@
+function database() {
+  let placedOrders = {};
+  const menu = {
+    1: {
+      id: 1,
+      name: "Taro Dumplings",
+      price: 5
+    },
+    2: {
+      id: 2,
+      name: "Steamed Egg (v)",
+      price: 5
+    },
+    3: {
+      id: 3,
+      name: "XO Bone Marrow Cornish King Scallop",
+      price: 7
+    },
+    4: {
+      id: 4,
+      name: "Sweet & Sour Balsamic Aubergine (v)",
+      price: 7
+    },
+    5: {
+      id: 5,
+      name: "Mapo Tofu (v)",
+      price: 12
+    },
+    6: {
+      id: 6,
+      name: "Chilli Egg Drop Crab & Salmon Roe",
+      price: 18
+    },
+    7: {
+      id: 7,
+      name: "Char Siu Iberico Pork",
+      price: 20
+    },
+    8: {
+      id: 8,
+      name: "Black Mountain Goose",
+      price: 30
+    },
+
+    9: {
+      id: 9,
+      name: "Strawberry Cheesecake",
+      price: 6
+    },
+    10: {
+      id: 10,
+      name: "Soufflé",
+      price: 6
+    }
+  };
+
+  function getMenu() {
+    return menu;
+  }
+
+  function createNewOrder(order) {
+    let newID;
+    const length = Object.keys(placedOrders).length
+    length === 0
+      ? (newID = 1)
+      // : (newID = Object.keys(placedOrders).length + 1);
+      : newID=Math.max(...Object.keys(placedOrders))+1
+
+    const foodCost = order
+      .map(eachOrder => eachOrder.price * eachOrder.number)
+      .reduce((acc, item) => acc + item);
+    const deliveryCost = foodCost * 0.1;
+    const totalCost = foodCost * 1.1;
+
+    return (placedOrders[newID] = {
+      id: newID,
+      order: order,
+      cost: {
+        foodCost: foodCost,
+        deliveryCost: deliveryCost.toFixed(2),
+        totalCost: totalCost.toFixed(2)
+      }
+    });
+  }
+
+  function listAllOrders() {
+    return placedOrders;
+  }
+
+  return { getMenu, createNewOrder, listAllOrders };
+}
+
+module.exports = { database };