dev add notification entity

src/main/java/ru/soune/nocopy/entity/notification/Notification.java

@@ -0,0 +1,48 @@
+package ru.soune.nocopy.entity.notification;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.persistence.*;
+import lombok.*;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import ru.soune.nocopy.entity.user.User;
+
+import java.time.LocalDateTime;
+
+@Entity
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter @Setter
+@Builder
+@Table(name = "notifications", indexes = {
+        @Index(name = "idx_user_status", columnList = "user_id, status"),
+        @Index(name = "idx_user_created", columnList = "user_id, created_at DESC")
+})
+public class Notification {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(name = "created_at", updatable = false)
+    @CreatedDate
+    private LocalDateTime createdAt;
+
+    @LastModifiedDate
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+
+    @Column(name = "message")
+    private String message;
+
+    @Column(name = "notification_type")
+    private NotificationType notificationType;
+
+    @Column(name = "status")
+    private NotificationStatus status = NotificationStatus.NEW;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    @JsonIgnore
+    private User user;
+}

src/main/java/ru/soune/nocopy/entity/notification/NotificationStatus.java

@@ -0,0 +1,5 @@
+package ru.soune.nocopy.entity.notification;
+
+public enum NotificationStatus {
+    NEW, READIED
+}

src/main/java/ru/soune/nocopy/entity/notification/NotificationType.java

@@ -0,0 +1,19 @@
+package ru.soune.nocopy.entity.notification;
+
+public enum NotificationType{
+    SEARCH_RESULT,
+    MONITORING_RESULT,
+    OPERATION_IMPOSSIBLE,
+    START_FAILED_NOW,
+    START_FAILED_NEXT,
+    PAYOUT_RESULT,
+    REFERRAL_DEPOSIT,
+    REFERRAL_REGISTERED,
+    REFERRAL_ACTIVATED,
+    COMPLAINT_STATUS_CHANGED,
+    CASE_STATUS_CHANGED,
+    INCOMING_MESSAGE,
+    TARIFF_EXPIRING,
+    FILE_MODERATION_EVENT,
+    FILE_ADDED_TO_SYSTEM
+}