구매자 회원가입

src/main/java/camp/woowak/lab/common/exception/BadRequestException.java

@@ -4,4 +4,8 @@ public class BadRequestException extends HttpStatusException {
 	public BadRequestException(ErrorCode errorCode) {
 		super(errorCode);
 	}
+
+	public BadRequestException(ErrorCode errorCode, String message) {
+		super(errorCode, message);
+	}
 }

src/main/java/camp/woowak/lab/customer/domain/Customer.java

@@ -1,18 +1,45 @@
 package camp.woowak.lab.customer.domain;
 
+import camp.woowak.lab.customer.exception.InvalidCreationException;
 import camp.woowak.lab.payaccount.domain.PayAccount;
+import camp.woowak.lab.web.authentication.PasswordEncoder;
+import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.FetchType;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 import jakarta.persistence.OneToOne;
+import lombok.Getter;
 
 @Entity
+@Getter
 public class Customer {
 	@Id
 	@GeneratedValue(strategy = GenerationType.IDENTITY)
 	private Long id;
+	@Column(nullable = false, length = 50)
+	private String name;
+	@Column(unique = true, nullable = false, length = 100)
+	private String email;
+	@Column(nullable = false, length = 30)
+	private String password;
+	@Column(nullable = false, length = 30)
+	private String phone;
 	@OneToOne(fetch = FetchType.LAZY)
 	private PayAccount payAccount;
+
+	public Customer() {
+	}
+
+	public Customer(String name, String email, String password, String phone, PayAccount payAccount,
+		PasswordEncoder passwordEncoder) throws
+		InvalidCreationException {
+		CustomerValidator.validateCreation(name, email, password, phone, payAccount);
+		this.name = name;
+		this.email = email;
+		this.password = passwordEncoder.encode(password);
+		this.phone = phone;
+		this.payAccount = payAccount;
+	}
 }

src/main/java/camp/woowak/lab/customer/domain/CustomerValidator.java

@@ -0,0 +1,67 @@
+package camp.woowak.lab.customer.domain;
+
+import camp.woowak.lab.customer.exception.CustomerErrorCode;
+import camp.woowak.lab.customer.exception.InvalidCreationException;
+import camp.woowak.lab.payaccount.domain.PayAccount;
+
+public class CustomerValidator {
+
+	private CustomerValidator() {
+	}
+
+	public static void validateCreation(String name, String email, String password, String phone,
+		PayAccount payAccount) throws InvalidCreationException {
+		validateName(name);
+		validateEmail(email);
+		validatePassword(password);
+		validatePhone(phone);
+		validatePayAccount(payAccount);
+	}
+
+	public static void validateName(String name) throws InvalidCreationException {
+		if (name == null || name.isBlank()) {
+			throw new InvalidCreationException(CustomerErrorCode.INVALID_CREATION, "Customer name cannot be blank");
+		}
+		if (name.length() > 50) {
+			throw new InvalidCreationException(CustomerErrorCode.INVALID_CREATION,
+				"Customer name cannot be longer than 50 characters");
+		}
+	}
+
+	public static void validateEmail(String email) throws InvalidCreationException {
+		if (email == null || email.isBlank()) {
+			throw new InvalidCreationException(CustomerErrorCode.INVALID_CREATION, "Customer email cannot be blank");
+		}
+		if (email.trim().length() > 100) {
+			throw new InvalidCreationException(CustomerErrorCode.INVALID_CREATION,
+				"Customer email cannot be longer than 100 characters");
+		}
+	}
+
+	public static void validatePassword(String password) throws InvalidCreationException {
+		if (password == null || password.isBlank()) {
+			throw new InvalidCreationException(CustomerErrorCode.INVALID_CREATION, "Customer password cannot be blank");
+		}
+		if (password.trim().length() > 30) {
+			throw new InvalidCreationException(CustomerErrorCode.INVALID_CREATION,
+				"Customer password cannot be longer than 30 characters");
+		}
+	}
+
+	public static void validatePhone(String phone) throws InvalidCreationException {
+		if (phone == null || phone.isBlank()) {
+			throw new InvalidCreationException(CustomerErrorCode.INVALID_CREATION, "Customer phone cannot be blank");
+		}
+		if (phone.trim().length() > 30) {
+			throw new InvalidCreationException(CustomerErrorCode.INVALID_CREATION,
+				"Customer phone cannot be longer than 30 characters");
+		}
+	}
+
+	public static void validatePayAccount(PayAccount payAccount) throws InvalidCreationException {
+		if (payAccount == null) {
+			throw new InvalidCreationException(CustomerErrorCode.INVALID_CREATION,
+				"Customer payAccount cannot be null");
+		}
+	}
+}

src/main/java/camp/woowak/lab/customer/exception/CustomerErrorCode.java

@@ -0,0 +1,33 @@
+package camp.woowak.lab.customer.exception;
+
+import camp.woowak.lab.common.exception.ErrorCode;
+
+public enum CustomerErrorCode implements ErrorCode {
+	INVALID_CREATION(400, "C1", "잘못된 요청입니다."),
+	DUPLICATE_EMAIL(400, "C2", "이미 존재하는 이메일입니다.");
+
+	private final int status;
+	private final String errorCode;
+	private final String message;
+
+	CustomerErrorCode(int status, String errorCode, String message) {
+		this.status = status;
+		this.errorCode = errorCode;
+		this.message = message;
+	}
+
+	@Override
+	public int getStatus() {
+		return status;
+	}
+
+	@Override
+	public String getErrorCode() {
+		return errorCode;
+	}
+
+	@Override
+	public String getMessage() {
+		return message;
+	}
+}

src/main/java/camp/woowak/lab/customer/exception/DuplicateEmailException.java

@@ -0,0 +1,9 @@
+package camp.woowak.lab.customer.exception;
+
+import camp.woowak.lab.common.exception.BadRequestException;
+
+public class DuplicateEmailException extends BadRequestException {
+	public DuplicateEmailException() {
+		super(CustomerErrorCode.DUPLICATE_EMAIL);
+	}
+}

src/main/java/camp/woowak/lab/customer/exception/InvalidCreationException.java

@@ -0,0 +1,10 @@
+package camp.woowak.lab.customer.exception;
+
+import camp.woowak.lab.common.exception.BadRequestException;
+import camp.woowak.lab.common.exception.ErrorCode;
+
+public class InvalidCreationException extends BadRequestException {
+	public InvalidCreationException(ErrorCode errorCode, String message) {
+		super(errorCode, message);
+	}
+}

src/main/java/camp/woowak/lab/customer/repository/CustomerRepository.java

@@ -0,0 +1,8 @@
+package camp.woowak.lab.customer.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import camp.woowak.lab.customer.domain.Customer;
+
+public interface CustomerRepository extends JpaRepository<Customer, Long> {
+}

src/main/java/camp/woowak/lab/customer/service/SignUpCustomerService.java

@@ -0,0 +1,49 @@
+package camp.woowak.lab.customer.service;
+
+import org.springframework.dao.DataIntegrityViolationException;
+import org.springframework.stereotype.Service;
+
+import camp.woowak.lab.customer.domain.Customer;
+import camp.woowak.lab.customer.exception.DuplicateEmailException;
+import camp.woowak.lab.customer.exception.InvalidCreationException;
+import camp.woowak.lab.customer.repository.CustomerRepository;
+import camp.woowak.lab.customer.service.command.SignUpCustomerCommand;
+import camp.woowak.lab.payaccount.domain.PayAccount;
+import camp.woowak.lab.payaccount.repository.PayAccountRepository;
+import camp.woowak.lab.web.authentication.PasswordEncoder;
+import jakarta.transaction.Transactional;
+
+@Service
+public class SignUpCustomerService {
+	private final CustomerRepository customerRepository;
+	private final PayAccountRepository payAccountRepository;
+	private final PasswordEncoder passwordEncoder;
+
+	public SignUpCustomerService(CustomerRepository customerRepository, PayAccountRepository payAccountRepository,
+		PasswordEncoder passwordEncoder) {
+		this.customerRepository = customerRepository;
+		this.payAccountRepository = payAccountRepository;
+		this.passwordEncoder = passwordEncoder;
+	}
+
+	/**
+	 *
+	 * @throws InvalidCreationException 구매자 생성에 오류가 나는 경우
+	 * @throws DuplicateEmailException 이메일이 중복되는 경우
+	 */
+	@Transactional
+	public Long signUp(SignUpCustomerCommand cmd) throws InvalidCreationException, DuplicateEmailException {
+		PayAccount payAccount = new PayAccount();
+		payAccountRepository.save(payAccount);
+
+		Customer newCustomer = new Customer(cmd.name(), cmd.email(), cmd.password(), cmd.phone(), payAccount,
+			passwordEncoder);
+
+		try {
+			customerRepository.save(newCustomer);
+		} catch (DataIntegrityViolationException e) {
+			throw new DuplicateEmailException();
+		}
+		return newCustomer.getId();
+	}
+}

src/main/java/camp/woowak/lab/customer/service/command/SignUpCustomerCommand.java

@@ -0,0 +1,4 @@
+package camp.woowak.lab.customer.service.command;
+
+public record SignUpCustomerCommand(String name, String email, String password, String phone) {
+}

src/main/java/camp/woowak/lab/web/api/customer/CustomerApiController.java

@@ -0,0 +1,38 @@
+package camp.woowak.lab.web.api.customer;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+import camp.woowak.lab.customer.service.SignUpCustomerService;
+import camp.woowak.lab.customer.service.command.SignUpCustomerCommand;
+import camp.woowak.lab.web.api.utils.APIResponse;
+import camp.woowak.lab.web.api.utils.APIUtils;
+import camp.woowak.lab.web.dto.request.customer.SignUpCustomerRequest;
+import camp.woowak.lab.web.dto.response.customer.SignUpCustomerResponse;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.validation.Valid;
+
+@RestController
+public class CustomerApiController {
+	private final SignUpCustomerService signUpCustomerService;
+
+	public CustomerApiController(SignUpCustomerService signUpCustomerService) {
+		this.signUpCustomerService = signUpCustomerService;
+	}
+
+	@PostMapping("/customers")
+	public ResponseEntity<APIResponse<SignUpCustomerResponse>> signUp(@Valid @RequestBody SignUpCustomerRequest request,
+		HttpServletResponse response) {
+		SignUpCustomerCommand command =
+			new SignUpCustomerCommand(request.name(), request.email(), request.password(), request.phone());
+
+		Long registeredId = signUpCustomerService.signUp(command);
+
+		response.setHeader("Location", "/customers/" + registeredId);
+
+		return APIUtils.of(HttpStatus.CREATED, new SignUpCustomerResponse(registeredId));
+	}
+}

src/main/java/camp/woowak/lab/web/api/customer/CustomerExceptionHandler.java

@@ -0,0 +1,43 @@
+package camp.woowak.lab.web.api.customer;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ProblemDetail;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
+
+import camp.woowak.lab.common.advice.DomainExceptionHandler;
+import camp.woowak.lab.common.exception.BadRequestException;
+import camp.woowak.lab.customer.exception.DuplicateEmailException;
+import camp.woowak.lab.customer.exception.InvalidCreationException;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@DomainExceptionHandler
+public class CustomerExceptionHandler extends ResponseEntityExceptionHandler {
+	/**
+	 *
+	 *  BadRequestException.class 와 MethodArgumentNotValidException.class 를 처리한다.
+	 */
+	@ExceptionHandler({InvalidCreationException.class})
+	@ResponseStatus(HttpStatus.BAD_REQUEST)
+	public ProblemDetail handleBadRequestException(BadRequestException e) {
+		ProblemDetail problemDetail = ProblemDetail.forStatusAndDetail(HttpStatus.BAD_REQUEST,
+			e.errorCode().getErrorCode());
+		problemDetail.setProperty("errorCode", e.errorCode().getErrorCode());
+		return problemDetail;
+	}
+
+	/**
+	 *
+	 *  DuplicateEmailException.class 를 처리한다.
+	 */
+	@ExceptionHandler({DuplicateEmailException.class})
+	@ResponseStatus(HttpStatus.CONFLICT)
+	public ProblemDetail handleDuplicateEmailException(DuplicateEmailException e) {
+		ProblemDetail problemDetail = ProblemDetail.forStatusAndDetail(HttpStatus.CONFLICT,
+			e.errorCode().getMessage());
+		problemDetail.setProperty("errorCode", e.errorCode().getErrorCode());
+		return problemDetail;
+	}
+}

src/main/java/camp/woowak/lab/web/dto/request/SignUpVendorRequest.java

@@ -0,0 +1,18 @@
+package camp.woowak.lab.web.dto.request;
+
+import org.hibernate.validator.constraints.Length;
+
+import camp.woowak.lab.web.validation.annotation.Phone;
+import jakarta.validation.constraints.Email;
+
+public record SignUpVendorRequest(
+	@Length(min = 1, max = 50)
+	String name,
+	@Email
+	String email,
+	@Length(min = 1, max = 30)
+	String password,
+	@Phone
+	String phone
+) {
+}

src/main/java/camp/woowak/lab/web/dto/request/customer/SignUpCustomerRequest.java

@@ -0,0 +1,20 @@
+package camp.woowak.lab.web.dto.request.customer;
+
+import org.hibernate.validator.constraints.Length;
+
+import camp.woowak.lab.web.validation.annotation.Phone;
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
+
+public record SignUpCustomerRequest(
+	@Length(min = 1, max = 50)
+	String name,
+	@NotBlank
+	@Email
+	String email,
+	@Length(min = 8, max = 20)
+	String password,
+	@Phone
+	String phone
+) {
+}

src/main/java/camp/woowak/lab/web/dto/response/customer/SignUpCustomerResponse.java

@@ -0,0 +1,4 @@
+package camp.woowak.lab.web.dto.response.customer;
+
+public record SignUpCustomerResponse(Long id) {
+}