XuqmGroup-Server/im-service/src/main/java/com/xuqm/im/entity/ImMessageEntity.java

package com.xuqm.im.entity;

import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.xuqm.im.json.EpochMillisLocalDateTimeSerializer;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.EnumType;
import jakarta.persistence.Enumerated;
import jakarta.persistence.Id;
import jakarta.persistence.Index;
import jakarta.persistence.Table;
import jakarta.persistence.Transient;
import java.time.LocalDateTime;

@Entity
@Table(name = "im_message", indexes = {
        @Index(name = "idx_app_from", columnList = "appId,fromUserId"),
        @Index(name = "idx_app_to", columnList = "appId,toId")
})
public class ImMessageEntity {

    public enum ChatType { SINGLE, GROUP }
    public enum MsgType {
        TEXT, IMAGE, VIDEO, AUDIO, FILE, CUSTOM, LOCATION, NOTIFY,
        RICH_TEXT, CALL_AUDIO, CALL_VIDEO, FORWARD, QUOTE, MERGE, REVOKED
    }
    public enum MsgStatus { SENT, DELIVERED, READ, REVOKED }

    @Id
    private String id;

    @Column(nullable = false, length = 64)
    private String appId;

    @Column(nullable = false, length = 128)
    private String fromUserId;

    @Column(nullable = false, length = 128)
    private String toId;

    @Enumerated(EnumType.STRING)
    @Column(nullable = false, length = 16)
    private ChatType chatType;

    @Enumerated(EnumType.STRING)
    @Column(nullable = false, length = 16)
    private MsgType msgType;

    @Column(nullable = false, columnDefinition = "TEXT")
    private String content;

    @Enumerated(EnumType.STRING)
    @Column(nullable = false, length = 16)
    private MsgStatus status;

    @Column(length = 128)
    private String mentionedUserIds;

    @Transient
    private Integer groupReadCount;

    @Column(nullable = false)
    @JsonSerialize(using = EpochMillisLocalDateTimeSerializer.class)
    private LocalDateTime createdAt;

    public String getId() { return id; }
    public void setId(String id) { this.id = id; }

    public String getAppId() { return appId; }
    public void setAppId(String appId) { this.appId = appId; }

    public String getFromUserId() { return fromUserId; }
    public void setFromUserId(String fromUserId) { this.fromUserId = fromUserId; }

    public String getToId() { return toId; }
    public void setToId(String toId) { this.toId = toId; }

    public ChatType getChatType() { return chatType; }
    public void setChatType(ChatType chatType) { this.chatType = chatType; }

    public MsgType getMsgType() { return msgType; }
    public void setMsgType(MsgType msgType) { this.msgType = msgType; }

    public String getContent() { return content; }
    public void setContent(String content) { this.content = content; }

    public MsgStatus getStatus() { return status; }
    public void setStatus(MsgStatus status) { this.status = status; }

    public String getMentionedUserIds() { return mentionedUserIds; }
    public void setMentionedUserIds(String mentionedUserIds) { this.mentionedUserIds = mentionedUserIds; }

    public Integer getGroupReadCount() { return groupReadCount; }
    public void setGroupReadCount(Integer groupReadCount) { this.groupReadCount = groupReadCount; }

    @JsonSerialize(using = EpochMillisLocalDateTimeSerializer.class)
    public LocalDateTime getCreatedAt() { return createdAt; }
    public void setCreatedAt(LocalDateTime createdAt) { this.createdAt = createdAt; }
}