Task/192 global exception handler

src/main/java/com/backend/coapp/exception/ApiException.java

@@ -0,0 +1,24 @@
+package com.backend.coapp.exception;
+
+import org.springframework.http.HttpStatus;
+
+/** Interface for exception from API call */
+public abstract class ApiException extends RuntimeException {
+  /**
+   * getStatus
+   *
+   * @return HTTPS Status
+   */
+  public abstract HttpStatus getStatus();
+
+  /**
+   * getErrorCode
+   *
+   * @return custom error code
+   */
+  public abstract Object getErrorCode();
+
+  protected ApiException(String message) {
+    super(message);
+  }
+}

src/main/java/com/backend/coapp/exception/application/ApplicationNotFoundException.java

@@ -1,7 +1,22 @@
 package com.backend.coapp.exception.application;
 
-public class ApplicationNotFoundException extends RuntimeException {
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.ApplicationErrorCode;
+import org.springframework.http.HttpStatus;
+
+/** This exception will be thrown when application not found. */
+public class ApplicationNotFoundException extends ApiException {
   public ApplicationNotFoundException() {
     super("Could not find application");
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.NOT_FOUND;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return ApplicationErrorCode.APPLICATION_NOT_FOUND;
+  }
 }

src/main/java/com/backend/coapp/exception/application/ApplicationNotOwnedException.java

@@ -1,7 +1,22 @@
 package com.backend.coapp.exception.application;
 
-public class ApplicationNotOwnedException extends RuntimeException {
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.ApplicationErrorCode;
+import org.springframework.http.HttpStatus;
+
+/** This exception will be thrown will the application is not belong to a user. */
+public class ApplicationNotOwnedException extends ApiException {
   public ApplicationNotOwnedException() {
     super("Application is not owned by user. No operation is allowed.");
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.FORBIDDEN;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return ApplicationErrorCode.APPLICATION_NOT_OWN;
+  }
 }

src/main/java/com/backend/coapp/exception/application/ApplicationServiceFailException.java

@@ -1,7 +1,22 @@
 package com.backend.coapp.exception.application;
 
-public class ApplicationServiceFailException extends RuntimeException {
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.SystemErrorCode;
+import org.springframework.http.HttpStatus;
+
+/** This exception will be thrown when application service fail (internal) */
+public class ApplicationServiceFailException extends ApiException {
   public ApplicationServiceFailException(String message) {
     super(message);
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.INTERNAL_SERVER_ERROR;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return SystemErrorCode.INTERNAL_ERROR;
+  }
 }

src/main/java/com/backend/coapp/exception/application/DuplicateApplicationException.java

@@ -1,9 +1,24 @@
 package com.backend.coapp.exception.application;
 
-public class DuplicateApplicationException extends RuntimeException {
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.ApplicationErrorCode;
+import org.springframework.http.HttpStatus;
+
+/** This application will be thrown when the application already exist */
+public class DuplicateApplicationException extends ApiException {
   public DuplicateApplicationException(String jobTitle, String companyId) {
     super(
         String.format(
             "User has already created an application for '%s' at company %s", jobTitle, companyId));
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.CONFLICT;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return ApplicationErrorCode.DUPLICATE_APPLICATION;
+  }
 }

src/main/java/com/backend/coapp/exception/application/NoChangesDetectedException.java

@@ -1,7 +1,22 @@
 package com.backend.coapp.exception.application;
 
-public class NoChangesDetectedException extends RuntimeException {
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.ApplicationErrorCode;
+import org.springframework.http.HttpStatus;
+
+/** This exception will be thrown when no changed detected in updated application */
+public class NoChangesDetectedException extends ApiException {
   public NoChangesDetectedException(String message) {
     super(message);
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.BAD_REQUEST;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return ApplicationErrorCode.NO_CHANGE_DETECTED_TO_UPDATE;
+  }
 }

src/main/java/com/backend/coapp/exception/application/UnauthorizedApplicationAccessException.java

@@ -1,7 +1,22 @@
 package com.backend.coapp.exception.application;
 
-public class UnauthorizedApplicationAccessException extends RuntimeException {
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.ApplicationErrorCode;
+import org.springframework.http.HttpStatus;
+
+/** This exception will be thrown when the user tries to access the unauthorized resource. */
+public class UnauthorizedApplicationAccessException extends ApiException {
   public UnauthorizedApplicationAccessException(String message) {
     super(message);
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.FORBIDDEN;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return ApplicationErrorCode.UNAUTHORIZED_APPLICATION_ACCESS;
+  }
 }

src/main/java/com/backend/coapp/exception/auth/AuthAccountAlreadyVerifyException.java

@@ -1,15 +1,29 @@
 package com.backend.coapp.exception.auth;
 
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.AuthErrorCode;
+import org.springframework.http.HttpStatus;
+
 /**
  * This exception will be thrown if a client tries to verify an account that have been already
  * verified.
  */
-public class AuthAccountAlreadyVerifyException extends RuntimeException {
+public class AuthAccountAlreadyVerifyException extends ApiException {
   public AuthAccountAlreadyVerifyException() {
     super("Account has been verified.");
   }
 
   public AuthAccountAlreadyVerifyException(String message) {
     super("Account has been verified. " + message);
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.METHOD_NOT_ALLOWED;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return AuthErrorCode.ACCOUNT_ALREADY_VERIFIED;
+  }
 }

src/main/java/com/backend/coapp/exception/auth/AuthAccountNotYetActivatedException.java

@@ -1,10 +1,14 @@
 package com.backend.coapp.exception.auth;
 
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.AuthErrorCode;
+import org.springframework.http.HttpStatus;
+
 /**
  * This exception will be thrown if client tries to request service with an account that not yet
  * activate
  */
-public class AuthAccountNotYetActivatedException extends RuntimeException {
+public class AuthAccountNotYetActivatedException extends ApiException {
   public AuthAccountNotYetActivatedException() {
     super(
         "Account has not been activated yet. Please use verification code to activate the account.");
@@ -15,4 +19,14 @@ public AuthAccountNotYetActivatedException(String message) {
         "Account has not been activated yet. Please use verification code to activate the account. "
             + message);
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.UNAUTHORIZED;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return AuthErrorCode.ACCOUNT_NOT_ACTIVATED;
+  }
 }

src/main/java/com/backend/coapp/exception/auth/AuthBadCredentialException.java

@@ -1,12 +1,26 @@
 package com.backend.coapp.exception.auth;
 
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.AuthErrorCode;
+import org.springframework.http.HttpStatus;
+
 /** This exception will be thrown when a user tries to log in with invalid credential. */
-public class AuthBadCredentialException extends RuntimeException {
+public class AuthBadCredentialException extends ApiException {
   public AuthBadCredentialException() {
     super("Incorrect email or password");
   }
 
   public AuthBadCredentialException(String message) {
     super("Bad credential. " + message);
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.UNAUTHORIZED;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return AuthErrorCode.INVALID_EMAIL_OR_PASSWORD;
+  }
 }

src/main/java/com/backend/coapp/exception/auth/AuthEmailAlreadyUsedException.java

@@ -1,15 +1,29 @@
 package com.backend.coapp.exception.auth;
 
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.AuthErrorCode;
+import org.springframework.http.HttpStatus;
+
 /**
  * This exception will be thrown if client tries to register a new account with an email that has
  * been used.
  */
-public class AuthEmailAlreadyUsedException extends RuntimeException {
+public class AuthEmailAlreadyUsedException extends ApiException {
   public AuthEmailAlreadyUsedException() {
     super("An account with that email already exists.");
   }
 
   public AuthEmailAlreadyUsedException(String message) {
     super("An account with that email already exists. " + message);
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.CONFLICT;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return AuthErrorCode.EXIST_ACCOUNT_WITH_EMAIL;
+  }
 }

src/main/java/com/backend/coapp/exception/auth/AuthEmailNotRegisteredException.java

@@ -1,16 +1,28 @@
 package com.backend.coapp.exception.auth;
 
-import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.AuthErrorCode;
+import org.springframework.http.HttpStatus;
 
 /**
  * This exception will be thrown when client tries to access information with unregistered email.
  */
-public class AuthEmailNotRegisteredException extends UsernameNotFoundException {
+public class AuthEmailNotRegisteredException extends ApiException {
   public AuthEmailNotRegisteredException() {
     super("Email is not yet registered.");
   }
 
   public AuthEmailNotRegisteredException(String message) {
     super("Email is not yet registered. " + message);
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.BAD_REQUEST;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return AuthErrorCode.EMAIL_NOT_REGISTERED;
+  }
 }

src/main/java/com/backend/coapp/exception/auth/EmailInvalidAddressException.java

@@ -1,12 +1,26 @@
 package com.backend.coapp.exception.auth;
 
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.AuthErrorCode;
+import org.springframework.http.HttpStatus;
+
 /** This exception will be thrown if the provided email is invalid. */
-public class EmailInvalidAddressException extends RuntimeException {
+public class EmailInvalidAddressException extends ApiException {
   public EmailInvalidAddressException() {
     super("Invalid email or email not exit.");
   }
 
   public EmailInvalidAddressException(String message) {
     super("Invalid email or email not exit. " + message);
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.BAD_REQUEST;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return AuthErrorCode.INVALID_EMAIL;
+  }
 }

src/main/java/com/backend/coapp/exception/auth/EmailServiceException.java

@@ -1,7 +1,11 @@
 package com.backend.coapp.exception.auth;
 
+import com.backend.coapp.exception.ApiException;
+import com.backend.coapp.model.enumeration.SystemErrorCode;
+import org.springframework.http.HttpStatus;
+
 /** This exception will be thrown if there is a failure related to JavaMailSender service. */
-public class EmailServiceException extends RuntimeException {
+public class EmailServiceException extends ApiException {
 
   public EmailServiceException() {
     super("JavaMailSender Service Failure.");
@@ -10,4 +14,14 @@ public EmailServiceException() {
   public EmailServiceException(String message) {
     super("JavaMailSender Service Failure. " + message);
   }
+
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.INTERNAL_SERVER_ERROR;
+  }
+
+  @Override
+  public Object getErrorCode() {
+    return SystemErrorCode.INTERNAL_ERROR;
+  }
 }