7주차 미션 / 서버 3조 이윤희

build.gradle

@@ -8,11 +8,11 @@ group = 'kuit'
 version = '0.0.1-SNAPSHOT'
 
 java {
-	toolchain {
-		languageVersion = JavaLanguageVersion.of(17)
-	}
+	sourceCompatibility = JavaVersion.VERSION_17
+	targetCompatibility = JavaVersion.VERSION_17
 }
 
+
 configurations {
 	compileOnly {
 		extendsFrom annotationProcessor

src/main/java/kuit/springbasic/controller/HomeController.java

@@ -1,12 +1,64 @@
 package kuit.springbasic.controller;
 
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import kuit.springbasic.db.QuestionRepository;
+import kuit.springbasic.domain.Question;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.servlet.ModelAndView;
+
+import java.util.Collection;
+
+@Slf4j
+@Controller
+@RequiredArgsConstructor // -> 생성자 생략
 public class HomeController {
 
+    private final QuestionRepository questionRepository;
+
+    // @Autowired  -> spring container : 자동으로 repository 주입 (생성자가 1개라면 필요 없음)
+//    public HomeController(QuestionRepository questionRepository) {
+//        this.questionRepository = questionRepository;
+//    }
     /**
      * TODO: showHome
      * showHomeV1 : parameter - HttpServletRequest, HttpServletResponse / return - ModelAndView
      * showHomeV2 : parameter - none / return - ModelAndView
      * showHomeV3 : parameter - Model / return - String
      */
 
+    @RequestMapping("/homeV1")
+    public ModelAndView showHomeV1(HttpServletRequest request, HttpServletResponse response) {
+        log.info("showHomeV1");
+        ModelAndView mav = new ModelAndView("home");
+        Collection<Question> questions = questionRepository.findAll();
+        // mav.getModel().put("questions", questions);
+        // addObject : mav 반환 => method chaining 가능
+        mav.addObject("questions", questions);
+        return mav;
+    }
+
+    @RequestMapping("/homeV2")
+    public ModelAndView showHomeV2() {
+        log.info("showHomeV2");
+        ModelAndView mav = new ModelAndView("home");
+        Collection<Question> questions = questionRepository.findAll();
+        mav.addObject("questions", questions);
+        return mav;
+    }
+
+    @RequestMapping("/")
+    public String showHomeV3(Model model) {
+        log.info("showHomeV3");
+        Collection<Question> questions = questionRepository.findAll();
+        model.addAttribute("questions", questions);
+
+        // RequestMapping : HandlerAdapter 역할도 수행 -> String을 return 하여도 ModelAndView로 변환됨
+        return "home";
+    }
 }

src/main/java/kuit/springbasic/controller/LoginController.java

@@ -1,14 +1,41 @@
 package kuit.springbasic.controller;
 
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpSession;
+import kuit.springbasic.db.UserRepository;
+import kuit.springbasic.domain.User;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+
+import static kuit.springbasic.util.UserSessionUtils.USER_SESSION_KEY;
+
+@Slf4j
+@Controller
+@RequiredArgsConstructor
+@RequestMapping("/user")
 public class LoginController {
 
+    private final UserRepository userRepository;
     /**
      * TODO: showLoginForm
      */
+    // @RequestMapping(value = "/loginForm", method = RequestMethod.GET)
+    @GetMapping("/loginForm" )
+    public String showLoginForm(){
+        log.info("showLoginForm");
+        return "user/login";
+    }
 
     /**
      * TODO: showLoginFailed
      */
+    @RequestMapping("/loginFailed")
+    public String showLoginFailed(){
+        log.info("showLoginFailed");
+        return "user/loginFailed";
+    }
 
     /**
      * TODO: login
@@ -18,8 +45,62 @@ public class LoginController {
      * loginV4 : @ModelAttribute
      */
 
+    // @RequestMapping("/login")
+    public String loginV1(@RequestParam("userId") String userId,
+                          @RequestParam("password") String password,
+                          HttpServletRequest request){
+        log.info("loginV1");
+        User loggedInUser = new User(userId, password);
+        User user = userRepository.findByUserId(userId);
+
+        if(user != null && user.isSameUser(loggedInUser)){
+            HttpSession session = request.getSession();
+            session.setAttribute(USER_SESSION_KEY, loggedInUser);
+            return "redirect:/";
+        }
+        return "redirect:/user/loginFailed";
+    }
+
+    // @RequestMapping("/login")
+    public String loginV2(@RequestParam String userId,
+                          @RequestParam String password,
+                          HttpServletRequest request){
+        log.info("loginV2");
+        User loggedInUser = new User(userId, password);
+        User user = userRepository.findByUserId(userId);
+
+        if(user != null && user.isSameUser(loggedInUser)){
+            HttpSession session = request.getSession();
+            session.setAttribute(USER_SESSION_KEY, loggedInUser);
+            return "redirect:/";
+        }
+        return "redirect:/user/loginFailed";
+    }
+
+    // @RequestMapping(value = "/login", method = RequestMethod.POST)
+    @PostMapping("/login")
+    public String loginV4(@ModelAttribute User loggedInUser,
+                          HttpServletRequest request){
+        log.info("loginV4");
+        User user = userRepository.findByUserId(loggedInUser.getUserId());
+
+        if(user != null && user.isSameUser(loggedInUser)){
+            HttpSession session = request.getSession();
+            session.setAttribute(USER_SESSION_KEY, user);
+            return "redirect:/";
+        }
+        return "redirect:/user/loginFailed";
+    }
+
     /**
      * TODO: logout
      */
+    @GetMapping("/logout")
+    public String logout(HttpServletRequest request) {
+        log.info("logout");
+        HttpSession session = request.getSession();
+        session.removeAttribute(USER_SESSION_KEY);
 
+        return "redirect:/";
+    }
 }

src/main/java/kuit/springbasic/controller/UserController.java

@@ -1,29 +1,121 @@
 package kuit.springbasic.controller;
 
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpSession;
+import kuit.springbasic.db.UserRepository;
+import kuit.springbasic.domain.User;
+import kuit.springbasic.util.UserSessionUtils;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+
+import java.sql.SQLException;
+import java.util.Collection;
+import java.util.Map;
+
+import static kuit.springbasic.util.UserSessionUtils.USER_SESSION_KEY;
+
+@Slf4j
+@Controller
+@RequiredArgsConstructor
+@RequestMapping("/user")
 public class UserController {
 
+    private final UserRepository userRepository;
+
     /**
      * TODO: showUserForm
      */
-
+    @GetMapping("/form" )
+    public String showUserForm(){
+        log.info("showUserForm");
+        return "user/form";
+    }
     /**
      * TODO: createUser
      * createUserV1 : @RequestParam
      * createUserV2 : @ModelAttribute
      */
 
+    @PostMapping("/signup")
+    public String createUserV1(@RequestParam String userId,
+                               @RequestParam String password,
+                               @RequestParam String name,
+                               @RequestParam String email
+    ){
+        User user = new User(userId, password, name, email);
+        userRepository.insert(user);
+        log.info("createUserV1 done");
+        return "redirect:/user/list";
+    }
+
+    // @PostMapping("/signup")
+    public String createUserV2(@ModelAttribute User user){
+        userRepository.insert(user);
+        log.info("createUserV2 done");
+        return "redirect:/user/list";
+    }
     /**
      * TODO: showUserList
      */
+    @GetMapping("/list" )
+    public String showUserList(HttpServletRequest request, Model model){
+        log.info("showUserList");
+        HttpSession session = request.getSession();
+        if(UserSessionUtils.isLoggedIn(session)){
+            Collection<User> users = userRepository.findAll();
+            model.addAttribute("users", users);
+            return "user/list";
+        }
+        return "redirect:/user/loginForm";
+    }
 
     /**
      * TODO: showUserUpdateForm
      */
+    @GetMapping("/updateForm")
+    public String showUserUpdateForm(@RequestParam String userId, HttpServletRequest request, Model model) {
+        log.info("showUserUpdateForm");
+        HttpSession session = request.getSession();
+
+        if (UserSessionUtils.isLoggedIn(session)) {
+            User sessionUser = (User) session.getAttribute(USER_SESSION_KEY);
+            if (sessionUser != null && sessionUser.getUserId().equals(userId)) {
+                User user = userRepository.findByUserId(userId);
+
+                if (user != null) {
+                    model.addAttribute("user", user);
+                    return "user/updateForm";
+                }
+            }
+        }
+        return "redirect:/user/list";
+    }
 
     /**
      * TODO: updateUser
      * updateUserV1 : @RequestParam
      * updateUserV2 : @ModelAttribute
      */
 
+    // @PostMapping("/update")
+    public String updateUserV1(@RequestParam String userId,
+                               @RequestParam String password,
+                               @RequestParam String name,
+                               @RequestParam String email
+    ){
+        User modifiedUser = new User(userId, password, name, email);
+        userRepository.update(modifiedUser);
+        log.info("updateUserV1 done");
+        return "redirect:/user/list";
+    }
+
+    @PostMapping("/update")
+    public String updateUserV2(@ModelAttribute User modifiedUser){
+        userRepository.update(modifiedUser);
+        log.info("updateUserV2 done");
+        return "redirect:/user/list";
+    }
 }

src/main/java/kuit/springbasic/controller/qna/AnswerController.java

@@ -1,13 +1,60 @@
 package kuit.springbasic.controller.qna;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+import jakarta.servlet.http.HttpServletResponse;
+import kuit.springbasic.db.AnswerRepository;
+import kuit.springbasic.db.QuestionRepository;
+import kuit.springbasic.db.UserRepository;
+import kuit.springbasic.domain.Answer;
+import kuit.springbasic.domain.Question;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import java.io.IOException;
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+
+@Slf4j
+@Controller
+@RequiredArgsConstructor
 public class AnswerController {
 
-    /**
-     * TODO: addAnswer - @PostMapping
-     * addAnswerV0 : @RequestParam, HttpServletResponse
-     * addAnswerV1 : @RequestParam, Model
-     * addAnswerV2 : @RequestParam, @ResponseBody
-     * addAnswerV3 : @ModelAttribute, @ResponseBody
-     */
+    private final QuestionRepository questionRepository;
+    private final AnswerRepository answerRepository;
+
+    // * TODO: addAnswer - @PostMapping
+    // addAnswerV0 : @RequestParam, HttpServletResponse
+
+    @PostMapping("/api/qna/addAnswer")
+    public void addAnswerV0(@RequestParam int questionId,
+                            @RequestParam String writer,
+                            @RequestParam String contents,
+                            HttpServletResponse response) throws SQLException, IOException {
+        log.info("AnswerController.addAnswerV0");
+
+        Answer answer = new Answer(questionId, writer, contents);
+        Answer savedAnswer = answerRepository.insert(answer);
+
+        Question question = questionRepository.findByQuestionId(answer.getQuestionId());
+        question.increaseCountOfAnswer();
+        questionRepository.update(question);
+
+        Map<String, Object> model = new HashMap<>();
+        model.put("answer", savedAnswer);
+
+        response.setContentType("application/json");
+        response.setCharacterEncoding("UTF-8");
+        response.getWriter().write(new ObjectMapper().writeValueAsString(model));
+    }
+
+    // addAnswerV1 : @RequestParam, Model
+    // addAnswerV2 : @RequestParam, @ResponseBody
+    // addAnswerV3 : @ModelAttribute, @ResponseBody
+
 
 }