Scrum 46

backend/pom.xml

@@ -1,110 +1,111 @@
 <?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <groupId>org.springframework.boot</groupId>
-    <artifactId>spring-boot-starter-parent</artifactId>
-    <version>3.3.1</version>
-    <relativePath/> <!-- lookup parent from repository -->
-  </parent>
-  <groupId>com.greenfoxacademy</groupId>
-  <artifactId>backend</artifactId>
-  <version>0.0.1-SNAPSHOT</version>
-  <name>backend</name>
-  <description>backend</description>
-  <url/>
-  <licenses>
-    <license/>
-  </licenses>
-  <developers>
-    <developer/>
-  </developers>
-  <scm>
-    <connection/>
-    <developerConnection/>
-    <tag/>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.3.1</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.greenfoxacademy</groupId>
+    <artifactId>backend</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>backend</name>
+    <description>backend</description>
     <url/>
-  </scm>
-  <properties>
-    <java.version>21</java.version>
-  </properties>
-  <dependencies>
-    <dependency>
-      <groupId>org.springframework.boot</groupId>
-      <artifactId>spring-boot-starter-data-jpa</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.springframework.boot</groupId>
-      <artifactId>spring-boot-starter-web</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.springframework.boot</groupId>
-      <artifactId>spring-boot-devtools</artifactId>
-      <scope>runtime</scope>
-      <optional>true</optional>
-    </dependency>
-    <dependency>
-      <groupId>commons-validator</groupId>
-      <artifactId>commons-validator</artifactId>
-      <version>1.9.0</version>
-    </dependency>
-    <dependency>
-      <groupId>org.postgresql</groupId>
-      <artifactId>postgresql</artifactId>
-      <scope>runtime</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.projectlombok</groupId>
-      <artifactId>lombok</artifactId>
-      <optional>true</optional>
-    </dependency>
-    <dependency>
-      <groupId>org.modelmapper</groupId>
-      <artifactId>modelmapper</artifactId>
-      <version>3.2.0</version>
-    </dependency>
-    <dependency>
-      <groupId>org.springframework.boot</groupId>
-      <artifactId>spring-boot-starter-test</artifactId>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.springframework.security</groupId>
-      <artifactId>spring-security-test</artifactId>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
-      <groupId>com.h2database</groupId>
-      <artifactId>h2</artifactId>
-      <scope>runtime</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.springframework.boot</groupId>
-      <artifactId>spring-boot-starter-security</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.springframework.security</groupId>
-      <artifactId>spring-security-test</artifactId>
-      <scope>test</scope>
-    </dependency>
-  </dependencies>
+    <licenses>
+        <license/>
+    </licenses>
+    <developers>
+        <developer/>
+    </developers>
+    <scm>
+        <connection/>
+        <developerConnection/>
+        <tag/>
+        <url/>
+    </scm>
+    <properties>
+        <java.version>21</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.postgresql</groupId>
+            <artifactId>postgresql</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.modelmapper</groupId>
+            <artifactId>modelmapper</artifactId>
+            <version>3.2.0</version>
+        </dependency>
 
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-maven-plugin</artifactId>
-        <configuration>
-          <excludes>
-            <exclude>
-              <groupId>org.projectlombok</groupId>
-              <artifactId>lombok</artifactId>
-            </exclude>
-          </excludes>
-        </configuration>
-      </plugin>
-    </plugins>
-  </build>
+        <!--        <dependency>-->
+        <!--            <groupId>commons-validator</groupId>-->
+        <!--            <artifactId>commons-validator</artifactId>-->
+        <!--            <version>1.9.0</version>-->
+        <!--        </dependency>-->
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
 </project>

backend/src/main/java/com/greenfoxacademy/backend/BackendApplication.java

@@ -3,11 +3,14 @@
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * This is the main class of the application.
+ */
 @SpringBootApplication
 public class BackendApplication {
-
+  
   public static void main(String[] args) {
     SpringApplication.run(BackendApplication.class, args);
   }
-
+  
 }

backend/src/main/java/com/greenfoxacademy/backend/controller/HealthCheckController.java

@@ -11,9 +11,9 @@
  */
 @Controller
 public class HealthCheckController {
-  @GetMapping("/health-check")
+  @GetMapping ("/health-check")
   public ResponseEntity<String> healthCheck() {
     return new ResponseEntity<>("OK", HttpStatus.OK);
   }
-
+  
 }

backend/src/main/java/com/greenfoxacademy/backend/controller/UserController.java

@@ -2,32 +2,67 @@
 
 import com.greenfoxacademy.backend.dtos.RegisterUserDto;
 import com.greenfoxacademy.backend.services.UserService;
+import java.net.URI;
+import java.util.HashMap;
+import java.util.Map;
 import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.validation.FieldError;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestController;
 
+
 /**
  * REST controller where endpoints are handled.
  */
 @RestController
 @RequiredArgsConstructor
-@CrossOrigin(origins = "http://localhost:8080")
 public class UserController {
   private final UserService userService;
 
-  @CrossOrigin(origins = "http://localhost:5173")
-  @PostMapping("/register")
-  public ResponseEntity<?> registerUser(@RequestBody RegisterUserDto registerUserDto) {
-    if (!userService.emailValidation(registerUserDto.getEmail())) {
-      return ResponseEntity.badRequest().body("Email is not valid!");
-    } else if (userService.existsByEmail(registerUserDto.getEmail())) {
-      return ResponseEntity.badRequest().body("Email is already exist!");
-    } else {
-      userService.register(registerUserDto);
-      return ResponseEntity.ok().build();
+  /**
+   * This method registers a new user.
+   *
+   * @param registerUserDto the user to be registered
+   *
+   * @return a response entity with the status code and the location of the new user
+   */
+  @CrossOrigin (origins = "http://localhost:5173")
+  @PostMapping ("/register")
+  public ResponseEntity<?> registerUser(@Validated @RequestBody RegisterUserDto registerUserDto) {
+    try {
+      URI uri = URI.create("/users/" + userService.register(registerUserDto).id());
+      return ResponseEntity.created(uri).build();
+    } catch (Exception e) {
+      return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(e.getMessage());
     }
   }
+
+  /**
+   * This method handles validation exceptions.
+   *
+   * @param ex the exception to be handled
+   *
+   * @return a map with the field name and the error message
+   */
+  @ResponseStatus (HttpStatus.BAD_REQUEST)
+  @ExceptionHandler (MethodArgumentNotValidException.class)
+  public Map<String, String> handleValidationExceptions(MethodArgumentNotValidException ex) {
+    Map<String, String> errors = new HashMap<>();
+    ex.getBindingResult().getAllErrors().forEach((error) -> {
+      String fieldName = ((FieldError) error).getField();
+      String errorMessage = error.getDefaultMessage();
+      errors.put(fieldName, errorMessage);
+    });
+    return errors;
+  }
+
 }
+

backend/src/main/java/com/greenfoxacademy/backend/dtos/RegisterResponseDto.java

@@ -0,0 +1,16 @@
+package com.greenfoxacademy.backend.dtos;
+
+
+/**
+ * RegisterResponseDto represents a registration response.
+ *
+ * @param id of the created user
+ *
+ */
+
+public record RegisterResponseDto(
+        Integer id
+) {
+  public RegisterResponseDto {
+  }
+}

backend/src/main/java/com/greenfoxacademy/backend/dtos/RegisterUserDto.java

@@ -1,18 +1,27 @@
 package com.greenfoxacademy.backend.dtos;
 
+import com.greenfoxacademy.backend.services.ValidPassword;
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
 import lombok.AllArgsConstructor;
-import lombok.Data;
+import lombok.Getter;
 import lombok.NoArgsConstructor;
+import lombok.Setter;
 
 /**
  * Data Transfer Object for User Entity.
  */
-@Data
 @AllArgsConstructor
 @NoArgsConstructor
+@Getter
+@Setter
 public class RegisterUserDto {
+  @NotBlank
   private String firstName;
+  @NotBlank
   private String lastName;
+  @Email
   private String email;
+  @ValidPassword
   private String password;
 }

backend/src/main/java/com/greenfoxacademy/backend/models/User.java

@@ -1,5 +1,6 @@
 package com.greenfoxacademy.backend.models;
 
+import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.Id;
@@ -11,7 +12,7 @@
 
 /**
  * Represents a user entity in the system. This class is a data model
- * that maps to the user table in the database
+ * that maps to the user table in the database.
  */
 @Data
 @Builder
@@ -26,8 +27,8 @@ public class User {
   private Integer id;
   private String firstName;
   private String lastName;
+  @Column(unique = true)
   private String email;
   private String password;
 
-
 }