강원대 BE_전혜지 2주차 과제(0단계)

README.md

@@ -1 +1,29 @@
-# spring-gift-wishlist
+# spring-gift-product
+KTC step2 클론코딩 선물하기 구현
+
+## Product 객체
+- **id** : 상품 id
+- **name** : 상품 이름
+- **price** : 상품 가격
+- **imageUrl** : 상품 사진 url
+
+## 기능 소개
+### ProductDao
+- **selectAllProduct** : 모든 상품 목록 List반환
+- **selectProduct** : id에 해당하는 상품 하나를 반환
+- **insertProduct** : 상품 추가
+- **deleteProduct** : 상품 삭제
+- **updateProduct** : 상품 수정
+
+### IndexController
+- **index** : index.html 연결
+- **postform** : postform.html 연결
+- **editform** : editform.html 연결
+
+### ProductController
+- **getProductsController** : 모든 상품 목록 List index.html로 반환
+- **getProductsListController** : 모든 상품 목록 List반환
+- **getProductByIdController** : id에 해당하는 상품 하나를 반환
+- **postProductController** : 상품 추가 후 index로 리다이렉트
+- **deleteProductController** : 상품 삭제 후 index로 리다이렉트
+- **updateProductController** : 상품 수정 후 index로 리다이렉트

build.gradle

@@ -28,4 +28,4 @@ dependencies {
 
 tasks.named('test') {
     useJUnitPlatform()
-}
+}

src/main/java/gift/Controller/IndexController.java

@@ -0,0 +1,33 @@
+package gift.Controller;
+
+import gift.model.Product;
+import gift.model.ProductDao;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+
+@Controller
+public class IndexController {
+    private final ProductDao ProductDao;
+
+    public IndexController(gift.model.ProductDao productDao) {
+        ProductDao = productDao;
+    }
+
+    @GetMapping("/")
+    public String index() {
+        return "redirect:/api/getAllProducts";
+    }
+
+    @GetMapping("/postform")
+    public String postform(){
+        return "postform";
+    }
+
+    @PostMapping("/editform/{id}")
+    public String editform(@PathVariable Long id, Model model){
+        Product product = ProductDao.selectProduct(id);
+        model.addAttribute("product", product);
+        return "editform";
+    }
+}

src/main/java/gift/Controller/InitCreateTable.java

@@ -0,0 +1,38 @@
+package gift.Controller;
+
+import jakarta.annotation.PostConstruct;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Service;
+
+//app실행 했을 때 테이블 생성
+@Service
+public class InitCreateTable {
+
+    private final JdbcTemplate jdbcTemplate;
+
+    @Autowired
+    public InitCreateTable(JdbcTemplate jdbcTemplate) {
+        this.jdbcTemplate = jdbcTemplate;
+    }
+
+    @PostConstruct
+    public void init() {
+        //System.out.println("init");
+        createProductTable();
+        //System.out.println("create");
+    }
+
+    public void createProductTable() {
+        var sql = """
+            create table product (
+              id bigint auto_increment,
+              name varchar(255),
+              price int,
+              image_url varchar(255),
+              primary key (id)
+            )
+            """;
+        jdbcTemplate.execute(sql);
+    }
+}

src/main/java/gift/Controller/ProductController.java

@@ -0,0 +1,88 @@
+package gift.Controller;
+
+import gift.model.Product;
+import gift.model.ProductDao;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.ui.Model;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+@Controller
+@RequestMapping("/api")
+public class ProductController {
+    //private final Map<Long, Product> products = new HashMap<>();
+
+    long id = 0L;
+
+    private final ProductDao ProductDao;
+
+    public ProductController(gift.model.ProductDao productDao) {
+        ProductDao = productDao;
+    }
+
+    //모든 상품 반환
+    @GetMapping("/getAllProducts")
+    public String getProductsController(Model model){
+        //List<Product> productList = products.values().stream().collect(Collectors.toList());
+        List<Product> productList = ProductDao.selectAllProduct();
+        model.addAttribute("productList", productList);
+        return "index";
+    }
+
+    @GetMapping("/getAllProductList")
+    @ResponseBody
+    public List<Product> getProductsListController(Model model){
+        //List<Product> productList = products.values().stream().collect(Collectors.toList());
+        List<Product> productList = ProductDao.selectAllProduct();
+        return productList;
+    }
+
+    //id 상품 하나 반환
+    @GetMapping("/getProduct/{id}")
+    @ResponseBody
+    public Product getProductByIdController(@PathVariable Long id){
+        Product product = ProductDao.selectProduct(id);
+        return product;
+        //return products.get(id);
+    }
+
+    //상품 추가
+    @PostMapping("/postProduct")
+    public String postProductController(@ModelAttribute Product product){
+        id++;
+        product.setId(id);
+        ProductDao.insertProduct(product);
+        //products.put(id, product);
+        return "redirect:/api/getAllProducts";
+    }
+
+    //상품 삭제
+    @GetMapping("/deleteProduct/{id}")
+    public String deleteProductController(@PathVariable Long id){
+        ProductDao.deleteProduct(id);
+        //products.remove(id);
+        return "redirect:/api/getAllProducts";
+    }
+
+    //상품 업데이트
+    @PostMapping("/updateProduct/{id}")
+    public String updateProductController(@PathVariable Long id, @ModelAttribute Product newProduct){
+        Product oldProduct = ProductDao.selectProduct(id);
+        //Product oldProduct = products.get(id);
+        if(newProduct.getName() != null && !newProduct.getName().isEmpty()){
+            oldProduct.setName(newProduct.getName());
+        }
+        if(newProduct.getPrice() != null){
+            oldProduct.setPrice(newProduct.getPrice());
+        }
+        if(newProduct.getImageUrl() != null && !newProduct.getImageUrl().isEmpty()){
+            oldProduct.setImageUrl(newProduct.getImageUrl());
+        }
+        //products.replace(id, oldProduct);
+        ProductDao.updateProduct(oldProduct);
+        return "redirect:/api/getAllProducts";
+    }
+}

src/main/java/gift/model/Product.java

@@ -0,0 +1,50 @@
+package gift.model;
+
+public class Product {
+    private long id;
+    private String name;
+    private Integer price;
+    private String imageUrl;
+
+    public Product(long id, String name, int price, String imageUrl) {
+        this.id = id;
+        this.name = name;
+        this.price = price;
+        this.imageUrl = imageUrl;
+    }
+
+    public Product() {
+    }
+
+    public String getImageUrl() {
+        return imageUrl;
+    }
+
+    public void setImageUrl(String imageUrl) {
+        this.imageUrl = imageUrl;
+    }
+
+    public Integer getPrice() {
+        return price;
+    }
+
+    public void setPrice(Integer price) {
+        this.price = price;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+}

src/main/java/gift/model/ProductDao.java

@@ -0,0 +1,74 @@
+package gift.model;
+
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowMapper;
+import org.springframework.stereotype.Repository;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Repository
+public class ProductDao {
+    private final JdbcTemplate jdbcTemplate;
+
+    public ProductDao(JdbcTemplate jdbcTemplate) {
+        this.jdbcTemplate = jdbcTemplate;
+    }
+
+    //상품 테이블 생성
+    public void createCustomerTable(){
+        var sql = """
+    create table customer (
+      id bigint,
+      name varchar(255),
+      price int,
+      image_url varchar(255),
+      primary key (id)
+    )
+    """;
+        jdbcTemplate.execute(sql); //여닫는 과정X, throws가 안나옴(내부에서 관리) excetion 추상화 해서 제공
+    }
+
+    //데이터베이스 반환결과인 Result Set 객체로 변환
+    public RowMapper<Product> ProductRowMapper() {
+        return ( (resultSet, rowNum) -> {
+            Product product = new Product();
+            product.setId(resultSet.getLong("id"));
+            product.setName(resultSet.getString("name"));
+            product.setPrice(resultSet.getInt("price"));
+            product.setImageUrl(resultSet.getString("image_url"));
+            return product;
+        });
+    }
+
+    //모든 상품 리스트 반환
+    public List<Product> selectAllProduct(){
+        var sql = "select * from product";
+        List<Product> list = new ArrayList<>();
+        return jdbcTemplate.query(sql, ProductRowMapper(), list.toArray());
+    }
+
+    //상품 하나 반환
+    public Product selectProduct(Long id){
+        var sql = "select id, name, price, image_url from product where id = ?";
+        return jdbcTemplate.queryForObject(sql, ProductRowMapper(), id);
+    }
+
+    //상품 추가
+    public void insertProduct(Product product){
+        var sql = "insert into product (id, name, price, image_url) values (?, ?, ?, ?)";
+        jdbcTemplate.update(sql, product.getId(), product.getName(), product.getPrice(), product.getImageUrl());
+    }
+
+    //상품 삭제
+    public void deleteProduct(Long id){
+        var sql = "delete from product where id = ?";
+        jdbcTemplate.update(sql, id);
+    }
+
+    //상품 업데이트
+    public void updateProduct(Product product){
+        var sql = "update product set name = ?, price = ?, image_url = ? where id = ?";
+        jdbcTemplate.update(sql, product.getName(), product.getPrice(), product.getImageUrl(), product.getId());
+    }
+}

src/main/resources/application.properties

@@ -1 +1,2 @@
 spring.application.name=spring-gift
+spring.h2.console.enabled=true

src/main/resources/templates/editform.html

@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <style>
+        button {
+            top:50%;
+            background-color:#0a0a23;
+            color: #fff;
+            border:none;
+            border-radius:10px;
+            padding:10px;
+            min-height:15px;
+            min-width: 90px;
+            margin-top: 5px
+        }
+
+        div{
+            margin-top: 5px;
+            margin-bottom: 5px
+        }
+    </style>
+    <title>Edit Form</title>
+</head>
+<body>
+<h1>Edit</h1>
+<form th:action="@{/api/getAllProducts}" method="get" style="display: inline;">
+    <button type="submit">Back To List</button>
+</form>
+<div>
+product ID: <span th:text="${product.id}"></span>
+<form th:action="@{/api/updateProduct/{id}(id=${product.id})}" method="post">
+    name: <input type="text" id="name" name="name" value=""><br>
+    price: <input type="number" id="price" name="price" value=""><br>
+    imageUrl: <input type="text" id="imageUrl" name="imageUrl" value=""><br>
+    <button type="submit">Edit Product</button>
+</form>
+</div>
+</body>
+</html>