[윤대호] 풀스택-BE-mission6

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+# env
+.env
+env.js

app.js

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+import cors from "cors";
+import * as dotenv from "dotenv";
+import express from "express";
+import mongoose from "mongoose";
+import Product from "./models/product.js";
+
+dotenv.config();
+mongoose.connect(process.env.DATABASE_URL).then(() => console.log("Connected to DB"));
+const app = express();
+app.use(cors());
+const corsOptions = {
+  origin: ["http://127.0.0.1:3000", "https://panda-market.com"],
+};
+app.use(cors(corsOptions));
+app.use(express.json());
+
+const asyncHandler = (handler) => {
+  return async (req, res) => {
+    try {
+      await handler(req, res);
+    } catch (e) {
+      if (e.name === "ValidationError") {
+        res.status(400).send({ message: e.message });
+      } else if (e.name === "CastError") {
+        res.status(404).send({ message: "존재하지 않는 상품입니다." });
+      } else {
+        res.status(500).send({ message: "서버 에러입니다." });
+      }
+    }
+  };
+};
+
+// 상품 목록 조회
+app.get(
+  "/products",
+  asyncHandler(async (req, res) => {
+    /**
+     * 쿼리 파라미터
+     * - offset : 가져올 데이터의 시작 지점
+     * - limit : 한 번에 가져올 데이터의 개수
+     * - orderBy : 정렬 기준 favorite, recent (기본값: recent)
+     * - keyword : 검색 키워드
+     */
+    const offset = Number(req.query.offset) || 0;
+    const limit = Number(req.query.limit) || 10;
+    const orderBy = req.query.orderBy;
+    const keyword = req.query.keyword || "";
+
+    const sortOption = orderBy === "favorite" ? { favoriteCount: "desc" } : { createdAt: "desc" };
+
+    const query = keyword
+      ? {
+          $or: [{ name: { $regex: keyword, $options: "i" } }, { description: { $regex: keyword, $options: "i" } }],
+        }
+      : {};
+
+    const products = await Product.find(query)
+      .select("_id name price images createdAt favoriteCount isFavorite")
+      .sort(sortOption)
+      .skip(offset)
+      .limit(limit);
+
+    const totalProducts = await Product.countDocuments(query);
+
+    res.send({
+      products,
+      totalProducts,
+      currentOffset: offset,
+      limit: limit,
+    });
+  })
+);
+
+// 상품 상세 조회
+app.get(
+  "/products/:id",
+  asyncHandler(async (req, res) => {
+    const product = await Product.findById(req.params.id).select("-updatedAt");
+    if (!product) {
+      res.status(404).send({ message: "존재하지 않는 상품입니다." });
+      return;
+    }
+
+    res.send(product);
+  })
+);
+
+// 상품 등록
+app.post(
+  "/products",
+  asyncHandler(async (req, res) => {
+    const newProduct = await Product.create(req.body);
+    res.status(201).send(newProduct);
+  })
+);
+
+// 상품 수정
+app.patch(
+  "/products/:id",
+  asyncHandler(async (req, res) => {
+    const product = await Product.findById(req.params.id);
+
+    if (!product) {
+      res.status(404).send({ message: "존재하지 않는 상품입니다." });
+      return;
+    }
+    const disallowedFields = {
+      favoriteCount: true,
+      isFavorite: true,
+      ownerId: true,
+    };
+
+    Object.keys(req.body).forEach((key) => {
+      if (!disallowedFields[key]) {
+        product[key] = req.body[key];
+      }
+    });
+
+    await product.save();
+
+    res.send(product);
+  })
+);
+
+// 상품 삭제
+app.delete(
+  "/products/:id",
+  asyncHandler(async (req, res) => {
+    const product = await Product.findByIdAndDelete(req.params.id);
+
+    if (!product) {
+      res.status(404).send({ message: "존재하지 않는 상품입니다." });
+      return;
+    }
+
+    res.sendStatus(204);
+  })
+);
+
+// 상품 좋아요
+app.patch(
+  "/products/:id/like",
+  asyncHandler(async (req, res) => {
+    const product = await Product.findById(req.params.id);
+
+    if (!product) {
+      res.status(404).send({ message: "존재하지 않는 상품입니다." });
+      return;
+    }
+
+    if (product.isFavorite) {
+      res.status(400).send({ message: "이미 좋아요 처리된 상품입니다." });
+      return;
+    }
+
+    product.favoriteCount += 1;
+    product.isFavorite = true;
+
+    await product.save();
+
+    res.send(product);
+  })
+);
+
+// 상품 좋아요 취소
+app.patch(
+  "/products/:id/unlike",
+  asyncHandler(async (req, res) => {
+    const product = await Product.findById(req.params.id);
+
+    if (!product) {
+      res.status(404).send({ message: "존재하지 않는 상품입니다." });
+      return;
+    }
+
+    if (!product.isFavorite) {
+      res.status(400).send({ message: "아직 좋아요 처리되지 않은 상품입니다." });
+      return;
+    }
+
+    if (product.favoriteCount > 0) {
+      product.favoriteCount -= 1;
+    }
+    product.isFavorite = false;
+
+    await product.save();
+
+    res.send(product);
+  })
+);
+
+app.listen(process.env.PORT || 3000, () => console.log("Server Started"));

data/mock.js

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+const data = [
+  {
+    favoriteCount: 0,
+    ownerId: 1,
+    images: ["https://sitem.ssgcdn.com/62/11/49/item/1000559491162_i1_1100.jpg"],
+    tags: ["판다인형", "인형", "판다"],
+    price: 700000,
+    description: "판다인형 판다",
+    name: "판다인형",
+  },
+  {
+    favoriteCount: 2,
+    ownerId: 2,
+    images: [
+      "https://view01.wemep.co.kr/wmp-product/4/879/2515748794/pm_ebifv5nrjsyf.jpg?1683280710&f=webp&w=460&h=460",
+    ],
+    tags: ["판다인형", "인형", "판다"],
+    price: 7000,
+    description: "판다인형 안판다",
+    name: "판다인형 안파는 판다",
+  },
+];
+
+export default data;

data/seed.js

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