[JDBC 라이브러리 구현하기 - 1단계] 홍고(홍여진) 미션 제출합니다.

.github/workflows/build.yml

@@ -0,0 +1,37 @@
+name: SonarCloud
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  build:
+    name: Build and analyze
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: 11
+          distribution: 'corretto' # Alternative distribution options are available
+      - name: Cache SonarCloud packages
+        uses: actions/cache@v3
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+      - name: Cache Gradle packages
+        uses: actions/cache@v3
+        with:
+          path: ~/.gradle/caches
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+          restore-keys: ${{ runner.os }}-gradle
+      - name: Build and analyze
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        run: ./gradlew clean build codeCoverageReport sonar --info -x :study:build

.gitignore

@@ -171,3 +171,5 @@ Temporary Items
 
 tomcat.*
 tomcat.*/**
+
+**/WEB-INF/classes/**

README.md

@@ -1 +1,5 @@
 # JDBC 라이브러리 구현하기
+
+* [x] 데이터 업데이트 기능 구현
+* [x] 데이터 조회 기능 구현
+* [x] 데이터 리스트 조회 기능 구현

app/build.gradle

@@ -1,10 +1,11 @@
 plugins {
-    id 'java'
-    id 'idea'
+    id "java"
+    id "idea"
+    id "jacoco"
 }
 
-group 'org.example'
-version '1.0-SNAPSHOT'
+group "org.example"
+version "1.0-SNAPSHOT"
 
 sourceCompatibility = JavaVersion.VERSION_11
 targetCompatibility = JavaVersion.VERSION_11
@@ -14,27 +15,23 @@ repositories {
 }
 
 dependencies {
-    implementation project(':mvc')
-    implementation project(':jdbc')
-
-    implementation 'org.springframework:spring-tx:5.3.23'
-    implementation 'org.springframework:spring-jdbc:5.3.23'
-
-    implementation 'org.apache.tomcat.embed:tomcat-embed-core:10.1.0-M16'
-    implementation 'org.apache.tomcat.embed:tomcat-embed-jasper:10.1.0-M16'
-    implementation 'ch.qos.logback:logback-classic:1.2.10'
-    implementation 'org.apache.commons:commons-lang3:3.12.0'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.13.4'
-    implementation 'com.h2database:h2:2.1.214'
-
-    testImplementation 'org.assertj:assertj-core:3.22.0'
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
-    testImplementation 'org.mockito:mockito-core:3.+'
-    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
-}
-
-test {
-    useJUnitPlatform()
+    implementation project(":mvc")
+    implementation project(":jdbc")
+
+    implementation "org.springframework:spring-tx:5.3.23"
+    implementation "org.springframework:spring-jdbc:5.3.23"
+
+    implementation "org.apache.tomcat.embed:tomcat-embed-core:10.1.13"
+    implementation "org.apache.tomcat.embed:tomcat-embed-jasper:10.1.13"
+    implementation "ch.qos.logback:logback-classic:1.2.12"
+    implementation "org.apache.commons:commons-lang3:3.13.0"
+    implementation "com.fasterxml.jackson.core:jackson-databind:2.15.2"
+    implementation "com.h2database:h2:2.2.220"
+
+    testImplementation "org.assertj:assertj-core:3.24.2"
+    testImplementation "org.junit.jupiter:junit-jupiter-api:5.7.2"
+    testImplementation "org.mockito:mockito-core:5.4.0"
+    testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.7.2"
 }
 
 idea {
@@ -46,6 +43,6 @@ idea {
 
 sourceSets {
     main {
-        java.destinationDirectory.set(file('src/main/webapp/WEB-INF/classes'))
+        java.destinationDirectory.set(file("src/main/webapp/WEB-INF/classes"))
     }
 }

app/src/main/java/com/techcourse/AppWebApplicationInitializer.java

@@ -1,11 +1,11 @@
 package com.techcourse;
 
 import jakarta.servlet.ServletContext;
-import nextstep.mvc.DispatcherServlet;
-import nextstep.mvc.controller.asis.ControllerHandlerAdapter;
-import nextstep.mvc.controller.tobe.AnnotationHandlerMapping;
-import nextstep.mvc.controller.tobe.HandlerExecutionHandlerAdapter;
-import nextstep.web.WebApplicationInitializer;
+import webmvc.org.springframework.web.servlet.mvc.DispatcherServlet;
+import webmvc.org.springframework.web.servlet.mvc.asis.ControllerHandlerAdapter;
+import webmvc.org.springframework.web.servlet.mvc.tobe.AnnotationHandlerMapping;
+import webmvc.org.springframework.web.servlet.mvc.tobe.HandlerExecutionHandlerAdapter;
+import web.org.springframework.web.WebApplicationInitializer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

app/src/main/java/com/techcourse/ManualHandlerMapping.java

@@ -2,9 +2,9 @@
 
 import com.techcourse.controller.*;
 import jakarta.servlet.http.HttpServletRequest;
-import nextstep.mvc.HandlerMapping;
-import nextstep.mvc.controller.asis.Controller;
-import nextstep.mvc.controller.asis.ForwardController;
+import webmvc.org.springframework.web.servlet.mvc.HandlerMapping;
+import webmvc.org.springframework.web.servlet.mvc.asis.Controller;
+import webmvc.org.springframework.web.servlet.mvc.asis.ForwardController;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

app/src/main/java/com/techcourse/controller/LoginController.java

@@ -4,11 +4,11 @@
 import com.techcourse.repository.InMemoryUserRepository;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
-import nextstep.mvc.view.JspView;
-import nextstep.mvc.view.ModelAndView;
-import nextstep.web.annotation.Controller;
-import nextstep.web.annotation.RequestMapping;
-import nextstep.web.support.RequestMethod;
+import webmvc.org.springframework.web.servlet.view.JspView;
+import webmvc.org.springframework.web.servlet.ModelAndView;
+import context.org.springframework.stereotype.Controller;
+import web.org.springframework.web.bind.annotation.RequestMapping;
+import web.org.springframework.web.bind.annotation.RequestMethod;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

app/src/main/java/com/techcourse/controller/LogoutController.java

@@ -2,7 +2,7 @@
 
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
-import nextstep.mvc.controller.asis.Controller;
+import webmvc.org.springframework.web.servlet.mvc.asis.Controller;
 
 public class LogoutController implements Controller {
 

app/src/main/java/com/techcourse/controller/RegisterController.java

@@ -4,11 +4,11 @@
 import com.techcourse.repository.InMemoryUserRepository;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
-import nextstep.mvc.view.JspView;
-import nextstep.mvc.view.ModelAndView;
-import nextstep.web.annotation.Controller;
-import nextstep.web.annotation.RequestMapping;
-import nextstep.web.support.RequestMethod;
+import webmvc.org.springframework.web.servlet.view.JspView;
+import webmvc.org.springframework.web.servlet.ModelAndView;
+import context.org.springframework.stereotype.Controller;
+import web.org.springframework.web.bind.annotation.RequestMapping;
+import web.org.springframework.web.bind.annotation.RequestMethod;
 
 @Controller
 public class RegisterController {

app/src/main/java/com/techcourse/controller/UserController.java

@@ -3,11 +3,11 @@
 import com.techcourse.repository.InMemoryUserRepository;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
-import nextstep.mvc.view.JsonView;
-import nextstep.mvc.view.ModelAndView;
-import nextstep.web.annotation.Controller;
-import nextstep.web.annotation.RequestMapping;
-import nextstep.web.support.RequestMethod;
+import webmvc.org.springframework.web.servlet.view.JsonView;
+import webmvc.org.springframework.web.servlet.ModelAndView;
+import context.org.springframework.stereotype.Controller;
+import web.org.springframework.web.bind.annotation.RequestMapping;
+import web.org.springframework.web.bind.annotation.RequestMethod;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

app/src/main/java/com/techcourse/dao/UserDao.java

@@ -1,121 +1,59 @@
 package com.techcourse.dao;
 
 import com.techcourse.domain.User;
-import nextstep.jdbc.JdbcTemplate;
+import java.util.List;
+import java.util.Optional;
+import javax.sql.DataSource;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
-import javax.sql.DataSource;
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.List;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowMapper;
 
 public class UserDao {
 
     private static final Logger log = LoggerFactory.getLogger(UserDao.class);
 
-    private final DataSource dataSource;
+    private static final RowMapper<User> ROW_MAPPER = (resultSet ->
+            new User(
+                    resultSet.getLong("id"),
+                    resultSet.getString("account"),
+                    resultSet.getString("password"),
+                    resultSet.getString("email")
+            )
+    );
+
+    private final JdbcTemplate jdbcTemplate;
 
     public UserDao(final DataSource dataSource) {
-        this.dataSource = dataSource;
+        this.jdbcTemplate = new JdbcTemplate(dataSource);
     }
 
     public UserDao(final JdbcTemplate jdbcTemplate) {
-        this.dataSource = null;
+        this.jdbcTemplate = jdbcTemplate;
     }
 
     public void insert(final User user) {
         final var sql = "insert into users (account, password, email) values (?, ?, ?)";
-
-        Connection conn = null;
-        PreparedStatement pstmt = null;
-        try {
-            conn = dataSource.getConnection();
-            pstmt = conn.prepareStatement(sql);
-
-            log.debug("query : {}", sql);
-
-            pstmt.setString(1, user.getAccount());
-            pstmt.setString(2, user.getPassword());
-            pstmt.setString(3, user.getEmail());
-            pstmt.executeUpdate();
-        } catch (SQLException e) {
-            log.error(e.getMessage(), e);
-            throw new RuntimeException(e);
-        } finally {
-            try {
-                if (pstmt != null) {
-                    pstmt.close();
-                }
-            } catch (SQLException ignored) {}
-
-            try {
-                if (conn != null) {
-                    conn.close();
-                }
-            } catch (SQLException ignored) {}
-        }
+        jdbcTemplate.update(sql, user.getAccount(), user.getPassword(), user.getEmail());
     }
 
     public void update(final User user) {
-        // todo
+        final var sql = "update users set account = ?, password = ?, email = ? where id = ?";
+        jdbcTemplate.update(sql, user.getAccount(), user.getPassword(), user.getEmail(), user.getId());
     }
 
     public List<User> findAll() {
-        // todo
-        return null;
+        final var sql = "select * from users";
+        return jdbcTemplate.query(sql, ROW_MAPPER);
     }
 
-    public User findById(final Long id) {
+    public Optional<User> findById(final Long id) {
         final var sql = "select id, account, password, email from users where id = ?";
-
-        Connection conn = null;
-        PreparedStatement pstmt = null;
-        ResultSet rs = null;
-        try {
-            conn = dataSource.getConnection();
-            pstmt = conn.prepareStatement(sql);
-            pstmt.setLong(1, id);
-            rs = pstmt.executeQuery();
-
-            log.debug("query : {}", sql);
-
-            if (rs.next()) {
-                return new User(
-                        rs.getLong(1),
-                        rs.getString(2),
-                        rs.getString(3),
-                        rs.getString(4));
-            }
-            return null;
-        } catch (SQLException e) {
-            log.error(e.getMessage(), e);
-            throw new RuntimeException(e);
-        } finally {
-            try {
-                if (rs != null) {
-                    rs.close();
-                }
-            } catch (SQLException ignored) {}
-
-            try {
-                if (pstmt != null) {
-                    pstmt.close();
-                }
-            } catch (SQLException ignored) {}
-
-            try {
-                if (conn != null) {
-                    conn.close();
-                }
-            } catch (SQLException ignored) {}
-        }
+        return jdbcTemplate.queryForObject(sql, ROW_MAPPER, id);
     }
 
-    public User findByAccount(final String account) {
-        // todo
-        return null;
+    public Optional<User> findByAccount(final String account) {
+        final var sql = "select id, account, password, email from users where account = ?";
+        return jdbcTemplate.queryForObject(sql, ROW_MAPPER, account);
     }
 }

app/src/main/java/com/techcourse/dao/UserHistoryDao.java

@@ -1,7 +1,7 @@
 package com.techcourse.dao;
 
 import com.techcourse.domain.UserHistory;
-import nextstep.jdbc.JdbcTemplate;
+import org.springframework.jdbc.core.JdbcTemplate;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

app/src/main/java/com/techcourse/repository/InMemoryUserRepository.java

@@ -16,6 +16,9 @@ public class InMemoryUserRepository {
     }
 
     public static void save(final User user) {
+        if (database.containsKey(user.getAccount())) {
+            throw new IllegalArgumentException("중복되는 Account입니다.");
+        }
         database.put(user.getAccount(), user);
     }
 

app/src/main/java/com/techcourse/service/UserService.java

@@ -16,7 +16,8 @@ public UserService(final UserDao userDao, final UserHistoryDao userHistoryDao) {
     }
 
     public User findById(final long id) {
-        return userDao.findById(id);
+        return userDao.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("해당 ID에 해당하는 유저가 존재하지 않습니다."));
     }
 
     public void insert(final User user) {

app/src/main/resources/schema.sql

@@ -1,8 +1,8 @@
 create table if not exists users (
     id bigint auto_increment,
-    account varchar(100) not null,
+    account varchar(100) not null unique,
     password varchar(100) not null,
-    email varchar(100) not null,
+    email varchar(100) not null unique,
     primary key(id)
 );