[조원정] Sprint6

.vite/deps/_metadata.json

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+{
+  "hash": "e2ef4e8a",
+  "configHash": "d66f52f1",
+  "lockfileHash": "6d86ea89",
+  "browserHash": "dff7af04",
+  "optimized": {},
+  "chunks": {}
+}

.vite/deps/package.json

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+{
+  "type": "module"
+}

backend/.env

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+DATABASE_URL =
+  "mongodb+srv://wonj2087:zJvGgAiFnAHS8Ea0@cluster0.auvqpaw.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0"
+PORT=3000

backend/app.js

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+import express from "express";
+import mongoose from "mongoose";
+import cors from "cors";
+//import { DATABASE_URL } from './env.js';
+import * as dotenv from "dotenv";
+dotenv.config();
+import Products from "./models/Products.js";
+
+const app = express();
+app.use(cors());
+app.use(express.json());
+
+//mongoose.connect(DATABASE_URL).then(() => console.log('Connected to DB'));
+mongoose
+  .connect(process.env.DATABASE_URL)
+  .then(() => console.log("Connected to DB"));
+
+function asyncHandler(handler) {
+  // 라우터에 들어가는 핸들러 함수를 파라미터로 받아서
+  return async function (req, res) {
+    // 새로운 핸들러 함수를 반환한다. -> 파라미터로 받는 핸들러 함수와 동일하나 오류처리가 된 상태
+    try {
+      await handler(req, res);
+    } catch (e) {
+      // 각 오류에 맞는 오류 메세지를 보여준다
+      if (e.name === "ValidationError") {
+        res.status(400).send({ message: e.message });
+      } else if (e.name === "CastError") {
+        res.status(404).send({ message: "Cannot find given id." });
+      } else {
+        res.status(500).send({ message: e.message });
+      }
+    }
+  };
+}
+
+app.get("/items", async (req, res) => {
+  const sort = req.query.sort;
+  const count = Number(req.query.count) || 0;
+
+  const sortOption = { createdAt: sort === "oldest" ? "asc" : "desc" };
+  const products = await Products.find().sort(sortOption).limit(count);
+
+  res.send(products); // JS 객체를 받으면 자동으로 JSON으로 변환해서 돌려준다.
+});
+
+app.get("/items/:id", async (req, res) => {
+  const id = req.params.id;
+  const product = await Products.findById(id); //mongo DB 에서 제공하는 함수(id는 string을 이용)
+  if (product) {
+    res.send(product);
+  } else {
+    // status 메소드를 이용해서 status 코드 설정가능
+    res.status(404).send({ message: "Cannot find given id" });
+  }
+});
+
+// 비동기 오류 처리를 위해 asyncHandler 함수로 감싸기
+app.post(
+  "/items",
+  asyncHandler(async (req, res) => {
+    const product = await Products.create(req.body);
+    res.status(201).send(product);
+  })
+);
+
+app.patch(
+  "/items/:id",
+  asyncHandler(async (req, res) => {
+    const id = req.params.id;
+    const product = await Products.findById(id);
+    if (product) {
+      // product 있다면 req로 들어온 body의 정보로 덮어씌워야함
+      Object.keys(req.body).forEach((key) => {
+        product[key] = req.body[key]; // 기존의 task 값을 body 값으로 변경
+      });
+      await product.save(); // DB에 저장
+      res.send(product);
+    } else {
+      res.status(404).send({ message: "Cannot find given id" });
+    }
+  })
+);
+
+app.delete(
+  "/items/:id",
+  asyncHandler(async (req, res) => {
+    const id = req.params.id;
+    const product = await Products.findByIdAndDelete(id); // 객체를 찾아서 삭제까지 해주는 함수. 삭제를 한 객체, 없다면 null 반환
+    if (product) {
+      res.sendStatus(204); // 바디 없이 상태코드만 반환
+    } else {
+      res.status(404).send({ message: "Cannot find given id" });
+    }
+  })
+);
+
+// app.listen(3000, () => console.log('server started!'));
+app.listen(process.env.PORT || 3000, () => console.log("Server Started"));

backend/data/mock.js

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+const data = [
+  {
+    name: "로봇 청소기",
+    description: "상품 상세 설명입니다.",
+    price: 1500000,
+    tags: ["전자기기", "청소기"],
+    favoriteCount: 240,
+  },
+];
+
+export default data;

backend/data/seed.js

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+import mongoose from "mongoose";
+import data from './mock.js';
+import Products from "../models/Products.js";
+//import { DATABASE_URL } from "../env.js";
+import * as dotenv from 'dotenv';
+dotenv.config();
+
+//mongoose.connect(DATABASE_URL);
+mongoose.connect(process.env.DATABASE_URL);
+
+await Products.deleteMany({});
+await Products.insertMany(data);
+
+mongoose.connection.close();

backend/env.js

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+export const DATABASE_URL =
+  "mongodb+srv://wonj2087:zJvGgAiFnAHS8Ea0@cluster0.auvqpaw.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0";

backend/models/Products.js

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+import mongoose from "mongoose";
+
+const ProductsShema = new mongoose.Schema(
+  {
+    name: {
+      type: String,
+      required: true,
+      maxLenth: 30,
+    },
+    description: {
+      type: String,
+    },
+    price: {
+      type: Number,
+      required: true,
+      min: 0,
+    },
+    tags: {
+      type: [String],
+    },
+    favoriteCount: {
+      type: Number,
+    },
+  },
+  {
+    timestamps: true,
+  }
+);
+
+const Products = mongoose.model("Products", ProductsShema);
+
+export default Products;