В слой domain добавлена сущность QrCode и изменены параметры сущности Visit которая теперь хранит QrCode, который был отсканрирован

src/main/java/com/example/onomatopoeiaback/domain/qrcode/QrCode.java

@@ -0,0 +1,19 @@
+package com.example.onomatopoeiaback.domain.qrcode;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity(name = "QR_CODE")
+@Getter
+@Setter
+public class QrCode {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String name;
+}

src/main/java/com/example/onomatopoeiaback/domain/visit/Visit.java

@@ -1,9 +1,13 @@
 package com.example.onomatopoeiaback.domain.visit;
 
+import com.example.onomatopoeiaback.domain.qrcode.QrCode;
 import jakarta.persistence.*;
 import lombok.Getter;
+import lombok.NonNull;
 import lombok.Setter;
 
+import java.time.LocalDateTime;
+
 @Table(name = "code")
 @Entity
 @Getter
@@ -11,8 +15,12 @@ import lombok.Setter;
 public class Visit {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private long id;
-
-    private long value;
+    private Long id;
+    @NonNull
+    @ManyToOne
+    private QrCode qrCode;
+    @NonNull
     private VisitType visitType;
+    @NonNull
+    private LocalDateTime visitTime;
 }

src/main/java/com/example/onomatopoeiaback/domain/visit/VisitDTO.java

@@ -6,6 +6,6 @@ import lombok.Setter;
 @Getter
 @Setter
 public class VisitDTO {
-    private long value;
+    private Long QrCodeId;
     private VisitType visitType;
 }