[Spring JDBC] 남해윤 미션 제출합니다.

build.gradle

@@ -16,6 +16,12 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testImplementation 'io.rest-assured:rest-assured:5.3.1'
+
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
+
+    implementation 'org.springframework.boot:spring-boot-starter-jdbc'
+    runtimeOnly 'com.h2database:h2'
 }
 
 test {

src/main/java/roomescape/controller/HomeController.java

@@ -0,0 +1,14 @@
+package roomescape.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+public class HomeController {
+
+    @RequestMapping("/")
+    public String home() {
+        return "home";
+    }
+
+}

src/main/java/roomescape/controller/ReservationController.java

@@ -0,0 +1,58 @@
+package roomescape.controller;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.ResponseBody;
+import roomescape.dto.ReservationRequestDto;
+import roomescape.dto.ReservationResponseDto;
+import roomescape.service.ReservationService;
+
+import java.net.URI;
+import java.util.List;
+
+@Controller
+public class ReservationController {
+
+    private final ReservationService reservationService;
+
+    public ReservationController(ReservationService reservationService) {
+        this.reservationService = reservationService;
+    }
+
+    // 홈화면
+    @GetMapping("/reservation")
+    public String reservationPage() {
+        return "reservation";
+    }
+
+    //예약 조회
+    @ResponseBody
+    @GetMapping("/reservations")
+    public ResponseEntity<List<ReservationResponseDto>> list() {
+        List<ReservationResponseDto> reservations = reservationService.getAllReservations();
+        return ResponseEntity.ok(reservations);
+    }
+
+    //예약 추가
+    @ResponseBody
+    @PostMapping("/reservations")
+    public ResponseEntity<ReservationResponseDto> create(@RequestBody ReservationRequestDto newReservationDto) {
+
+        ReservationResponseDto reservation = reservationService.createReservation(newReservationDto);
+
+        return ResponseEntity.created(URI.create("/reservations/" + reservation.getId()))
+                .body(reservation);
+    }
+
+    //예약 삭제
+    @DeleteMapping("/reservations/{id}")
+    public ResponseEntity<Void> delete(@PathVariable Long id) {
+        reservationService.deleteReservation(id);
+        return ResponseEntity.noContent().build();
+    }
+}

src/main/java/roomescape/dao/ReservationDao.java

@@ -0,0 +1,45 @@
+package roomescape.dao;
+
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Repository;
+import roomescape.entity.Reservation;
+
+import java.util.List;
+
+@Repository
+public class ReservationDao {
+
+    private final JdbcTemplate jdbcTemplate;
+
+    public ReservationDao(JdbcTemplate jdbcTemplate) {
+        this.jdbcTemplate = jdbcTemplate;
+    }
+
+    public List<Reservation> findAll(){
+        String sql = "SELECT id, name, date, time FROM reservation";
+
+        return jdbcTemplate.query(
+                sql, (resultSet, rowNum) -> new Reservation(
+                        resultSet.getLong("id"),
+                        resultSet.getString("name"),
+                        resultSet.getString("date"),
+                        resultSet.getTimestamp("time").toLocalDateTime()
+                ));
+    }
+
+    public Reservation insert(Reservation reservation) {
+        String sql = "INSERT INTO reservation(name, date, time) VALUES (?, ?, ?)";
+        jdbcTemplate.update(sql, reservation.getName(), reservation.getDate(), reservation.getTime());
+
+        String query = "SELECT id FROM reservation ORDER BY id DESC LIMIT 1";
+        Long id = jdbcTemplate.queryForObject(query, Long.class);
+
+        return new Reservation(id, reservation.getName(), reservation.getDate(), reservation.getTime());
+    }
+
+    public void delete(Long id) {
+        String sql = "DELETE FROM reservation WHERE id = ?";
+        jdbcTemplate.update(sql, id);
+    }
+
+}

src/main/java/roomescape/dto/ReservationRequestDto.java

@@ -0,0 +1,27 @@
+package roomescape.dto;
+
+import java.time.LocalDateTime;
+
+public class ReservationRequestDto {
+    private String name;
+    private String date;
+    private LocalDateTime time;
+
+    public ReservationRequestDto(String name, String date, LocalDateTime time) {
+        this.name = name;
+        this.date = date;
+        this.time = time;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getDate() {
+        return date;
+    }
+
+    public LocalDateTime getTime() {
+        return time;
+    }
+}

src/main/java/roomescape/dto/ReservationResponseDto.java

@@ -0,0 +1,34 @@
+package roomescape.dto;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+public class ReservationResponseDto {
+    private Long id;
+    private String name;
+    private String date;
+    private LocalDateTime time;
+
+    public ReservationResponseDto(Long id, String name, String date, LocalDateTime time) {
+        this.id = id;
+        this.name = name;
+        this.date = date;
+        this.time = time;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getDate() {
+        return date;
+    }
+
+    public LocalDateTime getTime() {
+        return time;
+    }
+}

src/main/java/roomescape/entity/Reservation.java

@@ -0,0 +1,37 @@
+package roomescape.entity;
+
+import java.time.LocalDateTime;
+
+public class Reservation {
+    private Long id;
+    private String name;
+    private String date;
+    private LocalDateTime time;
+
+    public Reservation(Long id, String name, String date, LocalDateTime time) {
+        this.id = id;
+        this.name = name;
+        this.date = date;
+        this.time = time;
+    }
+
+    public Reservation(String name, String date, LocalDateTime time) {
+        this(null, name, date, time);
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getDate() {
+        return date;
+    }
+
+    public LocalDateTime getTime() {
+        return time;
+    }
+}

src/main/java/roomescape/exception/ExceptionHandler.java

@@ -0,0 +1,19 @@
+package roomescape.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@RestControllerAdvice
+public class ExceptionHandler {
+
+    @org.springframework.web.bind.annotation.ExceptionHandler(NotFoundReservationException.class)
+    public ResponseEntity<String> handleNotFoundReservationException(NotFoundReservationException ex) {
+        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(ex.getMessage());
+    }
+
+    @org.springframework.web.bind.annotation.ExceptionHandler(InvalidValueException.class)
+    public ResponseEntity<String> handleInvalidReservationException(InvalidValueException ex) {
+        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(ex.getMessage());
+    }
+}

src/main/java/roomescape/exception/InvalidValueException.java

@@ -0,0 +1,8 @@
+package roomescape.exception;
+
+public class InvalidValueException extends RuntimeException {
+
+    public InvalidValueException(String message) {
+        super(message);
+    }
+}

src/main/java/roomescape/exception/NotFoundReservationException.java

@@ -0,0 +1,7 @@
+package roomescape.exception;
+
+public class NotFoundReservationException extends RuntimeException {
+    public NotFoundReservationException(String message) {
+        super(message);
+    }
+}

src/main/java/roomescape/repository/ReservationRepository.java

@@ -0,0 +1,34 @@
+package roomescape.repository;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Repository;
+import roomescape.dao.ReservationDao;
+import roomescape.entity.Reservation;
+
+import java.util.List;
+
+@Repository
+public class ReservationRepository {
+
+    private final ReservationDao reservationDao;
+
+    public ReservationRepository(ReservationDao reservationDao) {
+        this.reservationDao = reservationDao;
+    }
+
+    public List<Reservation> findAll() {
+        return reservationDao.findAll();
+    }
+
+    //예약 추가
+    public Reservation insert(Reservation reservation) {
+        return reservationDao.insert(reservation);
+    }
+
+    //예약 삭제
+    public void delete(Long id) {
+        reservationDao.delete(id);
+    }
+}
+

src/main/java/roomescape/service/ReservationService.java

@@ -0,0 +1,51 @@
+package roomescape.service;
+
+import org.springframework.stereotype.Service;
+import roomescape.dto.ReservationRequestDto;
+import roomescape.dto.ReservationResponseDto;
+import roomescape.entity.Reservation;
+import roomescape.repository.ReservationRepository;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+public class ReservationService {
+
+    private final ReservationRepository reservationRepository;
+
+    public ReservationService(ReservationRepository reservationRepository) {
+        this.reservationRepository = reservationRepository;
+    }
+
+    public List<ReservationResponseDto> getAllReservations(){
+        return reservationRepository.findAll()
+                .stream()
+                .map(this::toResponseDto)
+                .collect(Collectors.toList());
+    }
+
+    public ReservationResponseDto createReservation(ReservationRequestDto requestDto){
+
+        Reservation reservation = new Reservation(
+                requestDto.getName(),
+                requestDto.getDate(),
+                requestDto.getTime()
+        );
+        Reservation savedReservation = reservationRepository.insert(reservation);
+        return toResponseDto(savedReservation);
+    }
+
+    public void deleteReservation(Long id){
+        reservationRepository.delete(id);
+    }
+
+    private ReservationResponseDto toResponseDto(Reservation reservation) {
+        return new ReservationResponseDto(
+                reservation.getId(),
+                reservation.getName(),
+                reservation.getDate(),
+                reservation.getTime()
+        );
+    }
+}

src/main/resources/application.properties

@@ -0,0 +1,4 @@
+server.port=8080
+spring.h2.console.enabled=true
+spring.h2.console.path=/h2-console
+spring.datasource.url=jdbc:h2:mem:database

src/main/resources/schema.sql

@@ -0,0 +1,8 @@
+CREATE TABLE reservation
+(
+    id      BIGINT       NOT NULL AUTO_INCREMENT,
+    name    VARCHAR(255) NOT NULL,
+    date    VARCHAR(255) NOT NULL,
+    time    Timestamp NOT NULL,
+    PRIMARY KEY (id)
+);