Authentication done backend complete scan the file qodana and i will proceed to frontend

beastxfit/src/main/java/com/fitness/beastxfit/dto/RegisterRequest.java

@@ -11,7 +11,7 @@ public class RegisterRequest {
     @NotBlank(message ="Email is required")
     @Email(message ="Invalid email format")
     private String email;
-
+    private String KeycloakId;
     @NotBlank(message="Passsword is required")
     @Size(min = 6,message = "password must have 6 characters ")
     private String password;

beastxfit/src/main/java/com/fitness/beastxfit/dto/UserResponse.java

@@ -1,19 +1,19 @@
 package com.fitness.beastxfit.dto;
 
 import com.fitness.beastxfit.model.UserRole;
 import jakarta.persistence.Column;
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
 import lombok.Data;
 import org.hibernate.annotations.CreationTimestamp;
 import org.hibernate.annotations.UpdateTimestamp;
 
 import java.time.LocalDateTime;
 
 @Data
 public class UserResponse {
     private String id;
-
+    private String keyCloakId;
     private String email;
     private String password;
     private String firstName;

beastxfit/src/main/java/com/fitness/beastxfit/model/User.java

@@ -16,6 +16,8 @@ public class User {
     @GeneratedValue(strategy = GenerationType.UUID)
     private String id;
 
+    private String keycloakId;
+
     @Column(unique = true)
     private String email;
 

beastxfit/src/main/java/com/fitness/beastxfit/repository/UserRepository.java

@@ -1,10 +1,16 @@
 package com.fitness.beastxfit.repository;
 
 import com.fitness.beastxfit.model.User;
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface UserRepository extends JpaRepository<User, String> {
     Boolean existsByEmail(String email);
+
+    Boolean existsByKeycloakId(String userId);
+
+    User findByEmail( String email);
 }

beastxfit/src/main/java/com/fitness/beastxfit/services/UserService.java

@@ -15,19 +15,30 @@
     private final UserRepository repository;
     public UserResponse register(RegisterRequest request) {
         if (repository.existsByEmail(request.getEmail())){
-            throw new RuntimeException(" Email already exist");
+            User existingUser =repository.findByEmail(request.getEmail());
+            UserResponse userResponse = new UserResponse();
+            userResponse.setId(existingUser.getId());
+            userResponse.setPassword(existingUser.getPassword());
+            userResponse.setFirstName(existingUser.getFirstName());
+            userResponse.setLastName(existingUser.getLastName());
+            userResponse.setEmail(existingUser.getEmail());
+            userResponse.setCreatedAt(existingUser.getCreatedAt());
+            userResponse.setUpdatedAt(existingUser.getUpdatedAt());
+            return userResponse;
         }
 
         User user=new User();
         user.setEmail(request.getEmail());
+        user.setKeycloakId(request.getKeycloakId());
         user.setFirstName(request.getFirstName());
         user.setLastName(request.getLastName());
         user.setPassword((request.getPassword()));
 
         User savedUser =repository.save(user);
         UserResponse userResponse = new UserResponse();
         userResponse.setId(savedUser.getId());
         userResponse.setPassword(savedUser.getPassword());
+        userResponse.setKeyCloakId(savedUser.getKeycloakId());
         userResponse.setFirstName(savedUser.getFirstName());
         userResponse.setLastName(savedUser.getLastName());
         userResponse.setEmail(savedUser.getEmail());
@@ -52,6 +63,8 @@
 
     public Boolean existByUserId(String userId) {
         log.info("Calling User service for {}",userId);
-        return repository.existsById(userId);
+        return repository.existsByKeycloakId(userId);
     }
+
+
 }

configserver/pom.xml

@@ -31,11 +31,10 @@
 		<spring-cloud.version>2025.0.1</spring-cloud.version>
 	</properties>
 	<dependencies>
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-config-server</artifactId>
 		</dependency>
-
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>

configserver/src/main/resources/config/gateway-service.yml

@@ -0,0 +1,34 @@
+eureka:
+  client:
+    serviceUrl:
+      defaultZone: http://localhost:8761/eureka/
+
+spring:
+  application:
+    name: gateway-service
+  security:
+    oauth2:
+      resourceserver:
+        jwt:
+          jwk-set-uri: http://localhost:8181/realms/fitness/protocol/openid-connect/certs
+
+  cloud:
+    gateway:
+      routes:
+        - id: beastxfit
+          uri: lb://BEASTXFIT
+          predicates:
+            - Path=/api/users/**
+
+        - id: activity-service
+          uri: lb://ACTIVITY-SERVICE
+          predicates:
+            - Path=/api/activities/**
+
+        - id: ai-service
+          uri: lb://AI-SERVICE
+          predicates:
+            - Path=/api/recommendations/**
+
+server:
+  port: 8080

gateway/.gitattributes

@@ -0,0 +1,2 @@
+/mvnw text eol=lf
+*.cmd text eol=crlf

gateway/.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

gateway/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,3 @@
+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.12/apache-maven-3.9.12-bin.zip