6주차 미션 / 서버 1조 고현규

build.gradle

@@ -1,46 +1,38 @@
 plugins {
+    id 'org.springframework.boot' version '2.7.17'
+    id 'io.spring.dependency-management' version '1.0.15.RELEASE'
     id 'java'
-    id 'idea'
 }
 
-idea {
-    module {
-        inheritOutputDirs = false
-        outputDir = file('./webapp/WEB-INF/classes')
-    }
-}
-
-group 'org.example'
-version '1.0-SNAPSHOT'
+group = 'org.example'
+version = '1.0-SNAPSHOT'
+sourceCompatibility = '17'    // 현재 프로젝트 SDK 17에 맞춤
 
 repositories {
     mavenCentral()
 }
 
-ext {
-    springVersion = "5.1.8.RELEASE"
-    tomcatVersion = '8.5.42'
-}
-
 dependencies {
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
-    testImplementation "org.springframework:spring-test:$springVersion"
-    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
+    // Web
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+
+    // JPA
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 
-    implementation("org.springframework:spring-jdbc:$springVersion")
-    implementation("org.springframework:spring-web:$springVersion")
-    implementation "org.reflections:reflections:0.10.2"
+    // JSP
+    implementation 'org.apache.tomcat.embed:tomcat-embed-jasper'
+    implementation 'javax.servlet:jstl:1.2'
 
-    implementation("org.apache.commons:commons-dbcp2:2.6.0")
+    // DB Drivers (둘 다 두되 실제 사용 DB는 properties로 선택)
+    runtimeOnly 'com.h2database:h2'
+    runtimeOnly 'com.mysql:mysql-connector-j'
 
-    runtimeOnly("com.h2database:h2:2.1.214")
-    runtimeOnly('mysql:mysql-connector-java:8.0.28')
+    // Lombok
+    compileOnly 'org.projectlombok:lombok'
+    annotationProcessor 'org.projectlombok:lombok'
 
-    implementation("org.apache.tomcat.embed:tomcat-embed-core:$tomcatVersion")
-    implementation("org.apache.tomcat.embed:tomcat-embed-logging-juli:8.5.2")
-    implementation("org.apache.tomcat.embed:tomcat-embed-jasper:$tomcatVersion")
-    implementation group: 'javax.servlet', name: 'jstl', version: '1.2'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.12.7.1'
+    // Test
+    testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
 
 test {

src/main/java/jwp/WebServerLauncher.java

@@ -0,0 +1,11 @@
+package jwp;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class WebServerLauncher {
+    public static void main(String[] args) throws Exception {
+        SpringApplication.run(WebServerLauncher.class, args);
+    }
+}

src/main/java/jwp/controller/HomeController.java

@@ -1,18 +1,24 @@
 package jwp.controller;
 
-import javax.servlet.RequestDispatcher;
-import javax.servlet.ServletException;
-import javax.servlet.annotation.WebServlet;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
+import jwp.dao.QuestionDao;
+import jwp.model.Question;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
 
-@WebServlet("/")
-public class HomeController extends HttpServlet {
-	@Override
-	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
-		RequestDispatcher rd = req.getRequestDispatcher("/home.jsp");
-		rd.forward(req, resp);
+import java.sql.SQLException;
+import java.util.List;
+
+@Controller
+@RequiredArgsConstructor
+public class HomeController {
+	private final QuestionDao questionDao;
+
+	@GetMapping("/")
+	public String showHome(Model model) throws SQLException {
+		List<Question> questions = questionDao.findAll();
+		model.addAttribute("questions", questions);
+		return "home";
 	}
 }

src/main/java/jwp/controller/QnaController.java

@@ -0,0 +1,66 @@
+package jwp.controller;
+
+import jwp.dao.QuestionDao;
+import jwp.model.Question;
+import jwp.model.User;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpSession;
+import java.sql.SQLException;
+
+@Controller
+@RequestMapping("/qna")
+@RequiredArgsConstructor
+public class QnaController {
+    private final QuestionDao questionDao;
+
+    @GetMapping("/form")
+    public String showQuestionForm(HttpSession session) {
+        if (!UserSessionUtils.isLogined(session)) {
+            return "redirect:/user/loginForm";
+        }
+        return "qna/form";
+        // 화살촉 안티패턴을 피하고 Guard Clause 사용을 위해 비로그인 처리 로직을 위의 if문에
+    }
+
+    @PostMapping("/create")
+    public String createQuestion(
+            @RequestParam("title") String title,
+            @RequestParam("contents") String contents,
+            HttpSession session
+    ) {
+        User sessionUser = (User) session.getAttribute("user");
+        if (sessionUser == null) {
+            return "redirect:/user/loginForm";
+        }
+
+        Question questionToSave = new Question(
+                sessionUser.getUserId(),
+                title,
+                contents
+        );
+
+        questionDao.insert(questionToSave);
+
+        return "redirect:/qna/show?questionId=" + questionToSave.getQuestionId();
+    }
+
+    @GetMapping("/show")
+    public String showQuestion(@RequestParam("questionId") String questionIdParam, Model model) throws SQLException {
+        long questionId = Long.parseLong(questionIdParam);
+
+        Question question = questionDao.findByQuestionId(questionId);
+
+        if (question == null) {
+            System.out.println("해당 ID의 질문을 찾을 수 없습니다: " + questionId);
+            return "redirect:/";
+        }
+
+        model.addAttribute("question", question);
+
+        return "qna/show";
+    }
+}