feat: add c2c message callback

src/main/java/io/github/doocs/im/constant/CallbackCommand.java

@@ -62,6 +62,8 @@ public class CallbackCommand {
      */
     public static final String C2C_CALLBACK_AFTER_MSG_WITHDRAW = "C2C.CallbackAfterMsgWithDraw";
 
+    // --------------------------------------------------------------------------------------------------------
+
     /**
      * 创建群组之前回调（群组系统）
      */

src/main/java/io/github/doocs/im/model/callback/BotOnC2cMessageCallback.java

@@ -0,0 +1,196 @@
+package io.github.doocs.im.model.callback;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import io.github.doocs.im.model.message.TIMMsgElement;
+
+import java.util.List;
+
+/**
+ * 单聊机器人消息回调
+ *
+ * @author bingo
+ * @since 2023/4/27 16:51
+ */
+public class BotOnC2cMessageCallback {
+    /**
+     * 回调命令
+     */
+    @JsonProperty("CallbackCommand")
+    private String callbackCommand;
+
+    /**
+     * 消息发送者 UserID
+     */
+    @JsonProperty("From_Account")
+    private String fromAccount;
+
+    /**
+     * 消息接收者 UserID
+     */
+    @JsonProperty("To_Account")
+    private String toAccount;
+
+    /**
+     * 消息序列号，用于标记该条消息（32位无符号整数）
+     */
+    @JsonProperty("MsgSeq")
+    private Long msgSeq;
+
+    /**
+     * 消息随机数，用于标记该条消息（32位无符号整数）
+     */
+    @JsonProperty("MsgRandom")
+    private Long msgRandom;
+
+    /**
+     * 消息的发送时间戳，单位为秒<br />单聊消息优先使用 MsgTime 进行排序，同一秒发送的消息则按 MsgSeq 排序，MsgSeq 值越大消息越靠后
+     */
+    @JsonProperty("MsgTime")
+    private Integer msgTime;
+
+    /**
+     * 该条消息的唯一标识，可根据该标识进行 REST API 撤回单聊消息
+     */
+    @JsonProperty("MsgKey")
+    private String msgKey;
+
+    /**
+     * 是否仅发送给在线用户标识。1代表仅发送给在线用户，否则为0
+     */
+    @JsonProperty("OnlineOnlyFlag")
+    private Integer onlineOnlyFlag;
+
+    /**
+     * 该条消息的发送结果，0表示发送成功，非0表示发送失败，具体可参见 错误码
+     */
+    @JsonProperty("SendMsgResult")
+    private Integer sendMsgResult;
+
+    /**
+     * 该条消息下发失败的错误信息，若消息发送成功，则为"send msg succeed"
+     */
+    @JsonProperty("ErrorInfo")
+    private String errorInfo;
+
+    /**
+     * To_Account 未读的单聊消息总数量（包含所有的单聊会话）。若该条消息下发失败（例如被脏字过滤），该字段值为-1
+     */
+    @JsonProperty("UnreadMsgNum")
+    private Integer unreadMsgNum;
+
+    /**
+     * 消息体，具体参见 消息格式描述
+     */
+    @JsonProperty("MsgBody")
+    private List<TIMMsgElement> msgBody;
+
+    /**
+     * 消息自定义数据（云端保存，会发送到对端，程序卸载重装后还能拉取到
+     */
+    @JsonProperty("CloudCustomData")
+    private String cloudCustomData;
+
+    public String getCallbackCommand() {
+        return callbackCommand;
+    }
+
+    public void setCallbackCommand(String callbackCommand) {
+        this.callbackCommand = callbackCommand;
+    }
+
+    public String getFromAccount() {
+        return fromAccount;
+    }
+
+    public void setFromAccount(String fromAccount) {
+        this.fromAccount = fromAccount;
+    }
+
+    public String getToAccount() {
+        return toAccount;
+    }
+
+    public void setToAccount(String toAccount) {
+        this.toAccount = toAccount;
+    }
+
+    public Long getMsgSeq() {
+        return msgSeq;
+    }
+
+    public void setMsgSeq(Long msgSeq) {
+        this.msgSeq = msgSeq;
+    }
+
+    public Long getMsgRandom() {
+        return msgRandom;
+    }
+
+    public void setMsgRandom(Long msgRandom) {
+        this.msgRandom = msgRandom;
+    }
+
+    public Integer getMsgTime() {
+        return msgTime;
+    }
+
+    public void setMsgTime(Integer msgTime) {
+        this.msgTime = msgTime;
+    }
+
+    public String getMsgKey() {
+        return msgKey;
+    }
+
+    public void setMsgKey(String msgKey) {
+        this.msgKey = msgKey;
+    }
+
+    public Integer getOnlineOnlyFlag() {
+        return onlineOnlyFlag;
+    }
+
+    public void setOnlineOnlyFlag(Integer onlineOnlyFlag) {
+        this.onlineOnlyFlag = onlineOnlyFlag;
+    }
+
+    public Integer getSendMsgResult() {
+        return sendMsgResult;
+    }
+
+    public void setSendMsgResult(Integer sendMsgResult) {
+        this.sendMsgResult = sendMsgResult;
+    }
+
+    public String getErrorInfo() {
+        return errorInfo;
+    }
+
+    public void setErrorInfo(String errorInfo) {
+        this.errorInfo = errorInfo;
+    }
+
+    public Integer getUnreadMsgNum() {
+        return unreadMsgNum;
+    }
+
+    public void setUnreadMsgNum(Integer unreadMsgNum) {
+        this.unreadMsgNum = unreadMsgNum;
+    }
+
+    public List<TIMMsgElement> getMsgBody() {
+        return msgBody;
+    }
+
+    public void setMsgBody(List<TIMMsgElement> msgBody) {
+        this.msgBody = msgBody;
+    }
+
+    public String getCloudCustomData() {
+        return cloudCustomData;
+    }
+
+    public void setCloudCustomData(String cloudCustomData) {
+        this.cloudCustomData = cloudCustomData;
+    }
+}