[3주차 과제] 박수지 3주차 과제 제출합니다.

src/main/java/landvibe/springintro/item/controller/HelloController.java

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+package landvibe.springintro.item.controller;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+@Controller
+public class HelloController {
+    @GetMapping("hello")
+    public String hello(Model model) {
+        model.addAttribute("data", "LandVibe");
+        return "hello";
+    }
+
+    @GetMapping("hello-mvc")
+    public String helloMvc(
+            @RequestParam(value = "name", required = false, defaultValue =
+                    "landVibe") String name,
+            Model model ){
+        model.addAttribute("name", name);
+        return "hello-template";
+    }
+
+    @GetMapping("hello-string")
+    @ResponseBody
+    public String helloString(@RequestParam("name") String name) {
+        return "hello " + name;
+    }
+    @GetMapping("hello-api")
+    @ResponseBody
+    public Hello helloApi(@RequestParam("name") String name) {
+        Hello hello = new Hello();
+        hello.setName(name);
+        return hello;
+    }
+    static class Hello {
+        private String name;
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+    }
+}

src/main/java/landvibe/springintro/item/controller/HomeController.java

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+package landvibe.springintro.item.controller;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class HomeController {
+    @GetMapping("/")
+    public String home(Model model) {
+        model.addAttribute("data", "LandVibe");
+        return "home";
+    }
+
+}

src/main/java/landvibe/springintro/item/controller/ItemController.java

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+package landvibe.springintro.item.controller;
+
+import landvibe.springintro.item.domain.Item;
+import landvibe.springintro.item.service.ItemService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+
+import java.util.List;
+
+@Controller
+public class ItemController {
+    private final ItemService itemService;
+    @Autowired
+    public ItemController(ItemService itemService) {
+        this.itemService = itemService;
+    }
+    //회원등록
+
+    @GetMapping("/members/new")
+    public String createMemberForm(){
+        return "members/createMemberForm";
+    }
+    @PostMapping("members/new")
+    public String create(@ModelAttribute MemberForm form) {
+        Item item = new Item();
+        item.setName(form.getName());
+        item.setPrice(form.getId());
+        item.setCount(form.getPwd());
+        itemService.create(item);
+        return "redirect:/";
+    }
+    @GetMapping("/members")
+    public String memberList(Model model){
+        List<Item> members = itemService.findMembers();
+        model.addAttribute("members", members);
+        return "members/memberList";
+    }
+
+//상품등록
+    @GetMapping("/items/new")
+    public String createItemForm(){
+        return "items/createForm";
+    }
+    @PostMapping("/items/new")
+    public String create(@ModelAttribute ItemCreateForm form) {
+        Item item = new Item();
+        item.setName(form.getName());
+        item.setPrice(form.getPrice());
+        item.setCount(form.getCount());
+        itemService.create(item);
+        return "redirect:/";
+    }
+    @GetMapping("/items")
+    public String list(Model model){
+        List<Item> items = itemService.findItems();
+        model.addAttribute("items", items);
+        return "items/itemList";
+    }
+
+}

src/main/java/landvibe/springintro/item/controller/ItemCreateForm.java

@@ -0,0 +1,23 @@
+package landvibe.springintro.item.controller;
+public class ItemCreateForm {
+    private String name;
+    private Integer price;
+    private Integer count;
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+    public Integer getPrice() {
+        return price;
+    }
+    public void setPrice(Integer price) {
+        this.price = price;
+    }
+    public Integer getCount() {
+        return count;
+    }
+    public void setCount(Integer count) {
+        this.count = count;
+    } }

src/main/java/landvibe/springintro/item/controller/MemberForm.java

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+package landvibe.springintro.item.controller;
+public class MemberForm {
+    private String name;
+    private Integer id;
+    private Integer pwd;
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+    public Integer getId() {
+        return id;
+    }
+    public void setId(Integer id) {
+        this.id = id;
+    }
+    public Integer getPwd() {
+        return pwd;
+    }
+    public void setPwd(Integer pwd) {
+        this.pwd = pwd;
+    } }

src/main/java/landvibe/springintro/item/domain/Item.java

@@ -0,0 +1,32 @@
+package landvibe.springintro.item.domain;
+
+public class Item {
+    private Long id;
+    private String name;
+    private Integer price;
+    private Integer count;
+    public Long getId() {
+        return id;
+    }
+    public void setId(Long id) {
+        this.id = id;
+    }
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+    public Integer getPrice() {
+        return price;
+    }
+    public void setPrice(Integer price) {
+        this.price = price;
+    }
+    public Integer getCount() {
+        return count;
+    }
+    public void setCount(Integer count) {
+        this.count = count;
+    }
+}

src/main/java/landvibe/springintro/item/repository/ItemRepository.java

@@ -0,0 +1,18 @@
+package landvibe.springintro.item.repository;
+
+import landvibe.springintro.item.domain.Item;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface ItemRepository {
+
+    Item save(Item item);
+
+    Optional<Item> findById(Long id);
+
+    Optional<Item> findByName(String name);
+
+    List<Item> findAll();
+
+}

src/main/java/landvibe/springintro/item/repository/MemoryItemRepository.java

@@ -0,0 +1,36 @@
+package landvibe.springintro.item.repository;
+
+import landvibe.springintro.item.domain.Item;
+import org.springframework.stereotype.Repository;
+
+import java.util.*;
+
+@Repository
+public class MemoryItemRepository implements ItemRepository {
+    private static Map<Long, Item> store = new HashMap<>();
+    private static long sequence = 0L;
+    @Override
+    public Item save(Item item) {
+        item.setId(++sequence);
+        store.put(item.getId(), item);
+        return item;
+    }
+    @Override
+    public Optional<Item> findById(Long id) {
+        Item item = store.get(id);
+        return Optional.ofNullable(item);
+    }
+    @Override
+    public Optional<Item> findByName(String name) {
+        return store.values().stream()
+                .filter(item -> item.getName().equals(name))
+                .findAny();
+    }
+    @Override
+    public List<Item> findAll() {
+        return new ArrayList<>(store.values());
+    }
+    public void clearStore() {
+        store.clear();
+    }
+}

src/main/java/landvibe/springintro/item/service/ItemService.java

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+package landvibe.springintro.item.service;
+import landvibe.springintro.item.domain.Item;
+import landvibe.springintro.item.repository.ItemRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class ItemService {
+    private final ItemRepository repository;
+    @Autowired
+    public ItemService(ItemRepository repository) {
+        this.repository = repository;
+    }
+    /**
+     * 상품 등록 */
+    public Long create(Item item) {
+        validateDuplicateItem(item.getName());
+        repository.save(item);
+
+        return item.getId();
+    }
+    private void validateDuplicateMember(Item item) {
+        repository.findByName(item.getName())
+                .ifPresent(m->{
+                    throw new IllegalStateException("이미 존재하는 회원입니다.");
+                });
+    }
+    /**
+     * 상품 전체조회 */
+    public List<Item> findItems() {
+        return repository.findAll();
+    }
+    private void validateDuplicateItem(String itemName) {
+        repository.findByName(itemName)
+                .ifPresent(i -> {
+                    throw new IllegalArgumentException("이미 존재하는 상품입니다.");
+                });
+    }
+    public List<Item> findMembers() {
+        return repository.findAll();
+    }
+    private void validateDuplicateMember(String itemName) {
+        repository.findByName(itemName)
+                .ifPresent(i -> {
+                    throw new IllegalArgumentException("이미 존재하는 상품입니다.");
+                });
+    }
+}

src/main/java/landvibe/springintro/item/service/memberService.java

@@ -0,0 +1,36 @@
+package landvibe.springintro.item.service;
+import landvibe.springintro.item.domain.Item;
+import landvibe.springintro.item.repository.ItemRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class memberService {
+    private ItemRepository repository;
+    @Autowired
+    public memberService(ItemRepository repository) {
+        this.repository = repository;
+    }
+
+
+    /**
+     * 회원 등록 */
+    public Long create(Item item) {
+        validateDuplicateItem(item.getName());
+        repository.save(item);
+        return item.getId();
+    }
+    /**
+     * 회원 전체조회 */
+    public List<Item> findItems() {
+        return repository.findAll();
+    }
+    private void validateDuplicateItem(String itemName) {
+        repository.findByName(itemName)
+                .ifPresent(i -> {
+                    throw new IllegalArgumentException("이미 존재하는 상품입니다.");
+                });
+    }
+}