Add Global Exception Handler Classes and OrderGlobalException.java classes

common/common-application/pom.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>common</artifactId>
+        <groupId>com.food.order</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>common-application</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

common/common-application/src/main/java/com/food/order/system/application/handler/ErrorDTO.java

@@ -0,0 +1,7 @@
+package com.food.order.system.application.handler;
+
+import lombok.Builder;
+
+@Builder
+public record ErrorDTO(String code, String message) {
+}

common/common-application/src/main/java/com/food/order/system/application/handler/GlobalExceptionHandler.java

@@ -0,0 +1,59 @@
+package com.food.order.system.application.handler;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+import javax.validation.ConstraintViolation;
+import javax.validation.ConstraintViolationException;
+import javax.validation.ValidationException;
+import java.util.stream.Collectors;
+
+@Slf4j
+@ControllerAdvice
+public class GlobalExceptionHandler {
+
+    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
+    @ExceptionHandler(value = {Exception.class})
+    @ResponseBody
+    public ErrorDTO handleOrderDomainException(Exception e) {
+        log.error("Error occurred: {}", e.getMessage());
+        return ErrorDTO.builder()
+                .code(HttpStatus.INTERNAL_SERVER_ERROR.getReasonPhrase())
+                .message("Unknown error occurred")
+                .build();
+    }
+
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    @ExceptionHandler(value = {ValidationException.class})
+    @ResponseBody
+    public ErrorDTO handleOrderDomainException(ValidationException e) {
+        ErrorDTO errorDTO;
+        if (e instanceof ConstraintViolationException) {
+            String violations = extractViolationsFromException((ConstraintViolationException) e);
+            log.error("Error occurred: {}", violations);
+            errorDTO = ErrorDTO.builder()
+                    .code(HttpStatus.BAD_REQUEST.getReasonPhrase())
+                    .message(violations)
+                    .build();
+        }
+        else {
+            log.error("Error occurred: {}", e.getMessage());
+            errorDTO = ErrorDTO.builder()
+                    .code(HttpStatus.BAD_REQUEST.getReasonPhrase())
+                    .message(e.getMessage())
+                    .build();
+        }
+        return errorDTO;
+    }
+
+    private String extractViolationsFromException(ConstraintViolationException e) {
+        return e.getConstraintViolations()
+                .stream()
+                .map(ConstraintViolation::getMessage)
+                .collect(Collectors.joining("->"));
+    }
+}

common/pom.xml

@@ -13,6 +13,7 @@
     <packaging>pom</packaging>
     <modules>
         <module>common-domain</module>
+        <module>common-application</module>
     </modules>
 
     <properties>

order-service/order-app/pom.xml

@@ -19,6 +19,21 @@
             <groupId>com.food.order</groupId>
             <artifactId>order-application-service</artifactId>
         </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.food.order</groupId>
+            <artifactId>common-application</artifactId>
+        </dependency>
     </dependencies>
 
 </project>

order-service/order-app/src/main/java/com/food/order/system/service/app/api/OrderController.java

@@ -0,0 +1,43 @@
+package com.food.order.system.service.app.api;
+
+import com.food.order.domain.dto.create.CreateOrderCommand;
+import com.food.order.domain.dto.create.CreateOrderResponse;
+import com.food.order.domain.dto.track.TrackOrderQuery;
+import com.food.order.domain.dto.track.TrackOrderResponse;
+import com.food.order.domain.ports.input.service.OrderApplicationService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.context.annotation.RequestScope;
+
+import java.util.UUID;
+
+@RestController
+@CrossOrigin
+@RequestScope
+@RequiredArgsConstructor
+@Slf4j
+@Validated
+@RequestMapping(value = "/api/orders", produces = "application/vnd.api.v1+json")
+public class OrderController {
+
+    private final OrderApplicationService orderApplicationService;
+
+    @PostMapping
+    public ResponseEntity<CreateOrderResponse> createOrder(@RequestBody CreateOrderCommand createOrderCommand) {
+        log.info("Creating order with command: {}", createOrderCommand);
+        CreateOrderResponse createOrderResponse = orderApplicationService.createOrder(createOrderCommand);
+        log.info("Created order with tracking id: {}", createOrderResponse.orderTrackingId());
+        return ResponseEntity.ok(createOrderResponse);
+    }
+
+    @GetMapping("/{orderTrackingId}")
+    public ResponseEntity<TrackOrderResponse> trackOrder(@PathVariable("orderTrackingId") UUID orderTrackingId) {
+        TrackOrderResponse trackOrderResponse = orderApplicationService.trackOrder
+                (new TrackOrderQuery(orderTrackingId));
+        log.info("Tracked order with tracking id: {}", orderTrackingId);
+        return ResponseEntity.ok(trackOrderResponse);
+    }
+}

order-service/order-app/src/main/java/com/food/order/system/service/app/exception/OrderGlobalException.java

@@ -0,0 +1,42 @@
+package com.food.order.system.service.app.exception;
+
+import com.food.order.system.application.handler.ErrorDTO;
+import com.food.order.system.application.handler.GlobalExceptionHandler;
+import com.food.order.system.domain.exception.OrderDomainException;
+import com.food.order.system.domain.exception.OrderNotFoundException;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ControllerAdvice
+@Slf4j
+public class OrderGlobalException extends GlobalExceptionHandler {
+
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    @ExceptionHandler(value = {OrderDomainException.class})
+    @ResponseBody
+    public ErrorDTO handleOrderDomainException(OrderDomainException e) {
+        log.error("Error occurred: {}", e.getMessage());
+        return ErrorDTO.builder()
+                .code(HttpStatus.BAD_REQUEST.getReasonPhrase())
+                .message(e.getMessage())
+                .build();
+    }
+
+    @ResponseStatus(HttpStatus.NOT_FOUND)
+    @ExceptionHandler(value = {OrderNotFoundException.class})
+    @ResponseBody
+    public ErrorDTO handleOrderDomainException(OrderNotFoundException e) {
+        log.error("Error occurred: {}", e.getMessage());
+        return ErrorDTO.builder()
+                .code(HttpStatus.NOT_FOUND.getReasonPhrase())
+                .message(e.getMessage())
+                .build();
+    }
+
+
+
+}

order-service/order-domain/order-application-service/src/main/java/com/food/order/domain/dto/create/CreateOrderCommand.java

@@ -1,8 +1,6 @@
 package com.food.order.domain.dto.create;
 
-import lombok.AllArgsConstructor;
 import lombok.Builder;
-import lombok.Getter;
 
 import javax.validation.constraints.NotNull;
 import java.math.BigDecimal;

order-service/order-domain/order-application-service/src/main/java/com/food/order/domain/dto/track/TrackOrderQuery.java

@@ -1,6 +1,5 @@
 package com.food.order.domain.dto.track;
 
-import lombok.AllArgsConstructor;
 import lombok.Builder;
 
 import javax.validation.constraints.NotNull;

pom.xml

@@ -58,6 +58,11 @@
                 <version>${project.version}</version>
             </dependency>
 
+            <dependency>
+                <groupId>com.food.order</groupId>
+                <artifactId>common-application</artifactId>
+                <version>${project.version}</version>
+            </dependency>
 
             <dependency>
                 <groupId>com.food.order</groupId>