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register api

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aisensiy
2017-08-08 11:01:06 +08:00
commit ee946e371b
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12
src/main/java/io/spring/RealworldApplication.java Normal file
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package io.spring;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class RealworldApplication {
public static void main(String[] args) {
SpringApplication.run(RealworldApplication.class, args);
}
}

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src/main/java/io/spring/api/UsersApi.java Normal file
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package io.spring.api;
import com.fasterxml.jackson.annotation.JsonRootName;
import io.spring.api.exception.InvalidRequestException;
import io.spring.application.user.UserQueryService;
import io.spring.core.user.User;
import io.spring.core.user.UserRepository;
import lombok.Getter;
import lombok.NoArgsConstructor;
import org.hibernate.validator.constraints.Email;
import org.hibernate.validator.constraints.NotBlank;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.ResponseEntity;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import javax.validation.Valid;
@RestController
@RequestMapping("/users")
public class UsersApi {
private UserRepository userRepository;
private UserQueryService userQueryService;
private String defaultImage;
@Autowired
public UsersApi(UserRepository userRepository, UserQueryService userQueryService, @Value("${image.default}") String defaultImage) {
this.userRepository = userRepository;
this.userQueryService = userQueryService;
this.defaultImage = defaultImage;
}
@RequestMapping(method = RequestMethod.POST)
public ResponseEntity creeteUser(@Valid @RequestBody RegisterParam registerParam, BindingResult bindingResult) {
if (bindingResult.hasErrors()) {
throw new InvalidRequestException(bindingResult);
}
if (userRepository.findByUsername(registerParam.getUsername()).isPresent()) {
bindingResult.rejectValue("username", "DUPLICATED", "duplicated username");
throw new InvalidRequestException(bindingResult);
}
if (userRepository.findByEmail(registerParam.getEmail()).isPresent()) {
bindingResult.rejectValue("email", "DUPLICATED", "duplicated email");
throw new InvalidRequestException(bindingResult);
}
User user = new User(
registerParam.getEmail(),
registerParam.getUsername(),
registerParam.getPassword(),
"",
defaultImage);
userRepository.save(user);
return ResponseEntity.status(201).body(userQueryService.fetchCreatedUser(user.getUsername()));
}
}
@Getter
@JsonRootName("user")
@NoArgsConstructor
class RegisterParam {
@NotBlank(message = "can't be empty")
@Email(message = "should be an email")
private String email;
@NotBlank(message = "can't be empty")
private String username;
@NotBlank(message = "can't be empty")
private String password;
}

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src/main/java/io/spring/api/exception/CustomizeExceptionHandler.java Normal file
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package io.spring.api.exception;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.context.request.WebRequest;
import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
import java.util.List;
import java.util.stream.Collectors;
import static org.springframework.http.HttpStatus.UNPROCESSABLE_ENTITY;
@RestControllerAdvice
public class CustomizeExceptionHandler extends ResponseEntityExceptionHandler {
@ExceptionHandler({InvalidRequestException.class})
public ResponseEntity<Object> handleInvalidRequest(RuntimeException e, WebRequest request) {
InvalidRequestException ire = (InvalidRequestException) e;
List<FieldErrorResource> errorResources = ire.getErrors().getFieldErrors().stream().map(fieldError ->
new FieldErrorResource(
fieldError.getObjectName(),
fieldError.getField(),
fieldError.getCode(),
fieldError.getDefaultMessage())).collect(Collectors.toList());
ErrorResource error = new ErrorResource(errorResources);
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
return handleExceptionInternal(e, error, headers, UNPROCESSABLE_ENTITY, request);
}
}

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src/main/java/io/spring/api/exception/ErrorResource.java Normal file
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package io.spring.api.exception;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonRootName;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@JsonSerialize(using = ErrorResourceSerializer.class)
@JsonIgnoreProperties(ignoreUnknown = true)
@lombok.Getter
@JsonRootName("errors")
public class ErrorResource {
private List<FieldErrorResource> fieldErrors;
public ErrorResource(List<FieldErrorResource> fieldErrorResources) {
this.fieldErrors = fieldErrorResources;
}
}

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src/main/java/io/spring/api/exception/ErrorResourceSerializer.java Normal file
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package io.spring.api.exception;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class ErrorResourceSerializer extends JsonSerializer<ErrorResource> {
@Override
public void serialize(ErrorResource value, JsonGenerator gen, SerializerProvider serializers) throws IOException, JsonProcessingException {
Map<String, List<String>> json = new HashMap<>();
for (FieldErrorResource fieldErrorResource : value.getFieldErrors()) {
if (!json.containsKey(fieldErrorResource.getField())) {
json.put(fieldErrorResource.getField(), new ArrayList<String>());
}
json.get(fieldErrorResource.getField()).add(fieldErrorResource.getMessage());
}
gen.writeStartObject();
for (Map.Entry<String, List<String>> pair : json.entrySet()) {
gen.writeArrayFieldStart(pair.getKey());
pair.getValue().forEach(content -> {
try {
gen.writeString(content);
} catch (IOException e) {
e.printStackTrace();
}
});
gen.writeEndArray();
}
gen.writeEndObject();
}
}

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src/main/java/io/spring/api/exception/FieldErrorResource.java Normal file
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package io.spring.api.exception;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import lombok.Getter;
@JsonIgnoreProperties(ignoreUnknown = true)
@Getter
public class FieldErrorResource {
private String resource;
private String field;
private String code;
private String message;
public FieldErrorResource(String resource, String field, String code, String message) {
this.resource = resource;
this.field = field;
this.code = code;
this.message = message;
}
}

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src/main/java/io/spring/api/exception/InvalidRequestException.java Normal file
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package io.spring.api.exception;
import com.fasterxml.jackson.annotation.JsonRootName;
import org.springframework.validation.BindingResult;
import org.springframework.validation.Errors;
@SuppressWarnings("serial")
@JsonRootName("errors")
public class InvalidRequestException extends RuntimeException {
private final Errors errors;
public InvalidRequestException(Errors errors) {
super("");
this.errors = errors;
}
public Errors getErrors() {
return errors;
}
}

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src/main/java/io/spring/application/JwtService.java Normal file
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package io.spring.application;
import io.spring.application.user.UserData;
public interface JwtService {
String toToken(UserData userData);
}

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src/main/java/io/spring/application/user/UserData.java Normal file
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package io.spring.application.user;
import com.fasterxml.jackson.annotation.JsonRootName;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import javax.persistence.Entity;
import javax.persistence.Id;
@Data
@NoArgsConstructor
@AllArgsConstructor
@Entity
@JsonRootName("user")
public class UserData {
private String email;
@Id
private String username;
private String bio;
private String image;
}

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src/main/java/io/spring/application/user/UserQueryService.java Normal file
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package io.spring.application.user;
import com.fasterxml.jackson.annotation.JsonRootName;
import io.spring.application.JwtService;
import lombok.Getter;
import org.springframework.stereotype.Service;
@Service
public class UserQueryService {
private UserReadService userReadService;
private JwtService jwtService;
public UserQueryService(UserReadService userReadService, JwtService jwtService) {
this.userReadService = userReadService;
this.jwtService = jwtService;
}
public UserWithToken fetchCreatedUser(String username) {
UserData userData = userReadService.findOne(username);
return new UserWithToken(userData, jwtService.toToken(userData));
}
}
@JsonRootName("user")
@Getter
class UserWithToken {
private String email;
private String username;
private String bio;
private String image;
private String token;
public UserWithToken(UserData userData, String token) {
this.email = userData.getEmail();
this.username = userData.getUsername();
this.bio = userData.getBio();
this.image = userData.getImage();
this.token = token;
}
}

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src/main/java/io/spring/application/user/UserReadService.java Normal file
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package io.spring.application.user;
import org.springframework.data.repository.CrudRepository;
public interface UserReadService extends CrudRepository<UserData, String> {
}

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src/main/java/io/spring/core/user/User.java Normal file
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package io.spring.core.user;
import lombok.AllArgsConstructor;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NoArgsConstructor;
@Getter
@NoArgsConstructor
@EqualsAndHashCode(of = {"username"})
public class User {
private String email;
private String username;
private String password;
private String bio;
private String image;
public User(String email, String username, String password, String bio, String image) {
this.email = email;
this.username = username;
this.password = password;
this.bio = bio;
this.image = image;
}
}

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src/main/java/io/spring/core/user/UserRepository.java Normal file
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package io.spring.core.user;
import org.springframework.stereotype.Repository;
import java.util.Optional;
@Repository
public interface UserRepository {
void save(User user);
Optional<User> findByUsername(String username);
Optional<User> findByEmail(String email);
}

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src/main/java/io/spring/infrastructure/user/MyBatisUserRepository.java Normal file
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package io.spring.infrastructure.user;
import io.spring.core.user.User;
import io.spring.core.user.UserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import java.util.Optional;
@Repository
public class MyBatisUserRepository implements UserRepository {
private final UserMapper userMapper;
@Autowired
public MyBatisUserRepository(UserMapper userMapper) {
this.userMapper = userMapper;
}
@Override
public void save(User user) {
userMapper.save(user);
}
@Override
public Optional<User> findByUsername(String username) {
return Optional.ofNullable(userMapper.findByUsername(username));
}
@Override
public Optional<User> findByEmail(String email) {
return Optional.ofNullable(userMapper.findByEmail(email));
}
}

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src/main/java/io/spring/infrastructure/user/UserMapper.java Normal file
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package io.spring.infrastructure.user;
import io.spring.core.user.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Component;
@Component
@Mapper
public interface UserMapper {
void save(@Param("user") User user);
User findByUsername(@Param("username") String username);
User findByEmail(@Param("email") String email);
}