javajigi · Dec 30, 2018 · Dec 30, 2018 · Dec 30, 2018 · Dec 30, 2018
diff --git a/src/main/java/codesquad/domain/Issue.java b/src/main/java/codesquad/domain/Issue.java
@@ -0,0 +1,51 @@
+package codesquad.domain;
+
+import codesquad.dto.IssueDto;
+import support.domain.AbstractEntity;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Lob;
+import javax.validation.constraints.Size;
+
+@Entity
+public class Issue extends AbstractEntity {
+
+    @Size(min = 3, max = 80)
+    @Column(nullable = false, length = 80)
+    private String subject;
+
+    @Size(min = 3)
+    @Lob
+    @Column(nullable = false)
+    private String comment;
+
+    public Issue() {
+    }
+
+    public Issue(String subject, String comment) {
+        this.subject = subject;
+        this.comment = comment;
+    }
+
+    public String getSubject() {
+        return subject;
+    }
+
+    public void setSubject(String subject) {
+        this.subject = subject;
+    }
+
+    public String getComment() {
+        return comment;
+    }
+
+    public void setComment(String comment) {
+        this.comment = comment;
+    }
+
+    public IssueDto _toIssueDto() {
+        return new IssueDto(this.subject, this.comment);
+    }
+}
diff --git a/src/main/java/codesquad/domain/IssueRepository.java b/src/main/java/codesquad/domain/IssueRepository.java
@@ -0,0 +1,9 @@
+package codesquad.domain;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.Optional;
+
+public interface IssueRepository extends JpaRepository<Issue, Long> {
+    Optional<Issue> findBySubject(String subject);
+}
diff --git a/src/main/java/codesquad/dto/IssueDto.java b/src/main/java/codesquad/dto/IssueDto.java
@@ -0,0 +1,65 @@
+package codesquad.dto;
+
+import codesquad.domain.Issue;
+
+import javax.validation.constraints.Size;
+import java.util.Objects;
+
+public class IssueDto {
+    @Size(min = 3, max = 80)
+    private String subject;
+
+    @Size(min = 3)
+    private String comment;
+
+    public IssueDto() {
+    }
+
+    public IssueDto(String subject, String comment) {
+        super();
+        this.subject = subject;
+        this.comment = comment;
+    }
+
+    public String getSubject() {
+        return subject;
+    }
+
+    public void setSubject(String subject) {
+        this.subject = subject;
+    }
+
+    public String getComment() {
+        return comment;
+    }
+
+    public void setComment(String comment) {
+        this.comment = comment;
+    }
+
+    public Issue _toIssue() {
+        return new Issue(this.subject, this.comment);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        IssueDto issueDto = (IssueDto) o;
+        return Objects.equals(subject, issueDto.subject) &&
+                Objects.equals(comment, issueDto.comment);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(subject, comment);
+    }
+
+    @Override
+    public String toString() {
+        return "IssueDto{" +
+                "subject='" + subject + '\'' +
+                ", comment='" + comment + '\'' +
+                '}';
+    }
+}
diff --git a/src/main/java/codesquad/dto/UserDto.java b/src/main/java/codesquad/dto/UserDto.java
@@ -3,6 +3,7 @@
 import codesquad.domain.User;
 
 import javax.validation.constraints.Size;
+import java.util.Objects;
 
 public class UserDto {
     @Size(min = 3, max = 20)
@@ -62,6 +63,7 @@ public int hashCode() {
         return result;
     }
 
+
     @Override
     public boolean equals(Object obj) {
         if (this == obj)

diff --git a/src/main/java/codesquad/service/IssueService.java b/src/main/java/codesquad/service/IssueService.java
@@ -0,0 +1,32 @@
+package codesquad.service;
+
+import java.util.List;
+
+import codesquad.UnAuthorizedException;
+import codesquad.domain.Issue;
+import codesquad.domain.IssueRepository;
+import codesquad.dto.IssueDto;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+
+@Service
+public class IssueService {
+
+    @Resource(name = "issueRepository")
+    private IssueRepository issueRepository;
+
+
+    public void add(IssueDto issueDto) {
+        issueRepository.save(issueDto._toIssue());
+    }
+
+    public Iterable<Issue> findAll() {
+        return issueRepository.findAll();
+    }
+
+    public IssueDto findById(long id) {
+        return issueRepository.findById(id)
+                .orElseThrow(UnAuthorizedException::new)._toIssueDto();
+    }
+}
diff --git a/src/main/java/codesquad/validate/RestResponse.java b/src/main/java/codesquad/validate/RestResponse.java
@@ -0,0 +1,23 @@
+package codesquad.validate;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class RestResponse extends RestStatus{
+    private Map<String, Object> result;
+
+    public RestResponse() {
+        super(true);
+        result = new HashMap<>();
+    }
+
+    public void addAttribute(String key, Object value) {
+        result.put(key, value);
+    }
+
+    public Map<String, Object> getResult() {
+        return result;
+    }
+
+
+}
diff --git a/src/main/java/codesquad/validate/RestStatus.java b/src/main/java/codesquad/validate/RestStatus.java
@@ -0,0 +1,20 @@
+package codesquad.validate;
+
+public class RestStatus {
+    private boolean status;
+
+    public RestStatus(boolean status) {
+        this.status = status;
+    }
+
+    public boolean isStatus() {
+        return status;
+    }
+
+    @Override
+    public String toString() {
+        return "RestStatus{" +
+                "status=" + status +
+                '}';
+    }
+}
diff --git a/src/main/java/codesquad/validate/ValidationError.java b/src/main/java/codesquad/validate/ValidationError.java
@@ -0,0 +1,27 @@
+package codesquad.validate;
+
+public class ValidationError {
+    private String fieldName;
+    private String errorMessage;
+
+    public ValidationError(String fieldName, String errorMessage) {
+        this.fieldName = fieldName;
+        this.errorMessage = errorMessage;
+    }
+
+    public String getFieldName() {
+        return fieldName;
+    }
+
+    public String getErrorMessage() {
+        return errorMessage;
+    }
+
+    @Override
+    public String toString() {
+        return "ValidationError{" +
+                "fieldName='" + fieldName + '\'' +
+                ", errorMessage='" + errorMessage + '\'' +
+                '}';
+    }
+}
diff --git a/src/main/java/codesquad/validate/ValidationErrorsResponse.java b/src/main/java/codesquad/validate/ValidationErrorsResponse.java
@@ -0,0 +1,21 @@
+package codesquad.validate;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ValidationErrorsResponse extends RestStatus{
+    private List<ValidationError> errors;
+
+    public ValidationErrorsResponse() {
+        super(false);
+        errors = new ArrayList<>();
+    }
+
+    public void addValicationError(ValidationError error) {
+        errors.add(error);
+    }
+
+    public List<ValidationError> getErrors() {
+        return errors;
+    }
+}
diff --git a/src/main/java/codesquad/validate/ValidationExceptionControllerAdvice.java b/src/main/java/codesquad/validate/ValidationExceptionControllerAdvice.java
@@ -0,0 +1,59 @@
+package codesquad.validate;
+
+import org.slf4j.Logger;
+import org.springframework.context.support.MessageSourceAccessor;
+import org.springframework.http.HttpStatus;
+import org.springframework.validation.FieldError;
+import org.springframework.validation.ObjectError;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+import javax.annotation.Resource;
+
+import java.util.List;
+import java.util.Optional;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+@RestControllerAdvice
+public class ValidationExceptionControllerAdvice {
+    private static final Logger log = getLogger(ValidationExceptionControllerAdvice.class);
+
+    @Resource(name = "messageSourceAccessor")
+    private MessageSourceAccessor msa;
+
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    public ValidationErrorsResponse handlerValidationException(MethodArgumentNotValidException exception) {
+        List<ObjectError> errors = exception.getBindingResult().getAllErrors();
+        ValidationErrorsResponse response = new ValidationErrorsResponse();
+        for (ObjectError error : errors) {
+            log.debug("object error : {}", error);
+            FieldError fieldError = (FieldError) error;
+            response.addValicationError(new ValidationError(fieldError.getField(), getErrorMessage(fieldError)));
+        }
+        return response;
+    }
+
+    private String getErrorMessage(FieldError fieldError) {
+        Optional<String> code = getFirstCode(fieldError);
+        if (!code.isPresent()) {
+            return null;
+        }
+
+        String errorMessage = msa.getMessage(code.get(), fieldError.getArguments(), fieldError.getDefaultMessage());
+        log.info("error message : {}", errorMessage);
+        return errorMessage;
+    }
+
+    private Optional<String> getFirstCode(FieldError fieldError) {
+        String[] codes = fieldError.getCodes();
+        if (codes == null || codes.length == 0) {
+            return Optional.empty();
+        }
+        return Optional.of(codes[0]);
+    }
+}
diff --git a/src/main/java/codesquad/web/HomeController.java b/src/main/java/codesquad/web/HomeController.java
@@ -0,0 +1,25 @@
+package codesquad.web;
+
+import codesquad.service.IssueService;
+import org.slf4j.Logger;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+
+import javax.annotation.Resource;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+@Controller
+public class HomeController {
+    private static final Logger log = getLogger(HomeController.class);
+
+    @Resource(name = "issueService")
+    private IssueService issueService;
+
+    @GetMapping("/")
+    public String list(Model model) {
+        model.addAttribute("issues", issueService.findAll());
+        return "index";
+    }
+}