Config for user auditing added

ZipTeamOrange-server/src/main/java/ZipTeamOrange/Config/AuditingConfig.java

@@ -1,10 +1,41 @@
 package ZipTeamOrange.config;
 
 
+import ZipTeamOrange.security.UserPrincipal;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.data.domain.AuditorAware;
 import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+import org.springframework.security.authentication.AnonymousAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+
+import java.util.Optional;
 
 @Configuration
 @EnableJpaAuditing
 public class AuditingConfig {
+
+    @Bean
+    public AuditorAware<Long> auditorProvider() {
+        return new SpringSecurityAuditAwareImpl();
+    }
+}
+
+class SpringSecurityAuditAwareImpl implements AuditorAware<Long> {
+
+    @Override
+    public Optional<Long> getCurrentAuditor() {
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+
+        if (authentication == null ||
+                !authentication.isAuthenticated() ||
+                authentication instanceof AnonymousAuthenticationToken) {
+            return Optional.empty();
+        }
+
+        UserPrincipal userPrincipal = (UserPrincipal) authentication.getPrincipal();
+
+        return Optional.ofNullable(userPrincipal.getId());
+    }
 }

ZipTeamOrange-server/src/main/java/ZipTeamOrange/model/Audit/UserDateAudit.java

@@ -0,0 +1,38 @@
+package ZipTeamOrange.model.Audit;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import org.springframework.data.annotation.CreatedBy;
+import org.springframework.data.annotation.LastModifiedBy;
+
+import javax.persistence.Column;
+import javax.persistence.MappedSuperclass;
+
+@MappedSuperclass
+@JsonIgnoreProperties(
+        value = {"createdBy", "updatedBy"},
+        allowGetters = true
+)
+public abstract class UserDateAudit extends DateAudit {
+    @CreatedBy
+    @Column(updatable = false)
+    private Long createdBy;
+
+    @LastModifiedBy
+    private Long updatedBy;
+
+    public Long getCreatedBy() {
+        return createdBy;
+    }
+
+    public void setCreatedBy(Long createdBy) {
+        this.createdBy = createdBy;
+    }
+
+    public Long getUpdatedBy() {
+        return updatedBy;
+    }
+
+    public void setUpdatedBy(Long updatedBy) {
+        this.updatedBy = updatedBy;
+    }
+}