no-copy/src/main/java/ru/soune/nocopy/entity/notification/Notification.java

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;

    @Enumerated(EnumType.STRING)
    @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;
}