feat:

1.消息撤回功能 2.管理员拉黑功能 3.管理员撤回消息功能 4.消息类型可扩展
2026-03-16 07:43:42 +08:00 · 2023-06-05 13:02:09 +08:00
parent cf5eb9f455
commit 44244c0ba2
60 changed files with 1182 additions and 74 deletions
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/controller/ChatController.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/controller/ChatController.java
@@ -8,9 +8,11 @@ import com.abin.mallchat.common.common.domain.vo.response.CursorPageBaseResp;
 import com.abin.mallchat.common.common.utils.RequestHolder;
 import com.abin.mallchat.common.user.domain.enums.BlackTypeEnum;
 import com.abin.mallchat.common.user.service.cache.UserCache;
+import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageBaseReq;
 import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageMarkReq;
 import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessagePageReq;
 import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageReq;
+import com.abin.mallchat.custom.chat.domain.vo.request.msg.TextMsgReq;
 import com.abin.mallchat.custom.chat.domain.vo.response.ChatMemberResp;
 import com.abin.mallchat.custom.chat.domain.vo.response.ChatMemberStatisticResp;
 import com.abin.mallchat.custom.chat.domain.vo.response.ChatMessageResp;
@@ -23,6 +25,7 @@ import org.springframework.web.bind.annotation.*;

 import javax.validation.Valid;
 import java.util.HashSet;
+import java.util.Objects;
 import java.util.Set;

 /**
@@ -89,6 +92,10 @@ public class ChatController {
    @FrequencyControl(time = 30, count = 5, target = FrequencyControl.Target.UID)
    @FrequencyControl(time = 60, count = 10, target = FrequencyControl.Target.UID)
    public ApiResult<ChatMessageResp> sendMsg(@Valid @RequestBody ChatMessageReq request) {
+        if (Objects.isNull(request.getBody())) {
+            TextMsgReq req = new TextMsgReq(request.getContent(), request.getReplyMsgId());//todo 消息兼容之后删了
+            request.setBody(req);
+        }
        Long msgId = chatService.sendMsg(request, RequestHolder.get().getUid());
        //返回完整消息格式，方便前端展示
        return ApiResult.success(chatService.getMsgResp(msgId, RequestHolder.get().getUid()));
@@ -100,7 +107,14 @@ public class ChatController {
    public ApiResult<Void> setMsgMark(@Valid @RequestBody ChatMessageMarkReq request) {
        chatService.setMsgMark(RequestHolder.get().getUid(), request);
        return ApiResult.success();
+    }

+    @PutMapping("/msg/recall")
+    @ApiOperation("撤回消息")
+    @FrequencyControl(time = 20, count = 3, target = FrequencyControl.Target.UID)
+    public ApiResult<Void> recallMsg(@Valid @RequestBody ChatMessageBaseReq request) {
+        chatService.recallMsg(RequestHolder.get().getUid(), request);
+        return ApiResult.success();
    }
 }

--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/domain/vo/request/ChatMessageBaseReq.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/domain/vo/request/ChatMessageBaseReq.java
@@ -0,0 +1,29 @@
+package com.abin.mallchat.custom.chat.domain.vo.request;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.validation.constraints.NotNull;
+
+
+/**
+ * Description: 消息基础请求体
+ * Author: <a href="https://github.com/zongzibinbin">abin</a>
+ * Date: 2023-03-23
+ */
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class ChatMessageBaseReq {
+    @NotNull
+    @ApiModelProperty("消息id")
+    private Long msgId;
+
+    @NotNull
+    @ApiModelProperty("会话id")
+    private Long roomId;
+}
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/domain/vo/request/ChatMessageReq.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/domain/vo/request/ChatMessageReq.java
@@ -1,11 +1,11 @@
 package com.abin.mallchat.custom.chat.domain.vo.request;

+import com.abin.mallchat.common.chat.domain.enums.MessageTypeEnum;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
-import org.hibernate.validator.constraints.Length;

 import javax.validation.constraints.NotNull;

@@ -20,16 +20,21 @@ import javax.validation.constraints.NotNull;
@AllArgsConstructor
@NoArgsConstructor
 public class ChatMessageReq {
-
-    @NotNull
-    @Length(max = 10000, message = "消息内容过长，服务器扛不住啊，兄dei")
-    @ApiModelProperty("消息内容")
-    private String content;
-
    @NotNull
    @ApiModelProperty("会话id")
    private Long roomId;

+    @ApiModelProperty("消息类型")
+    private Integer msgType = MessageTypeEnum.TEXT.getType();
+
+    @ApiModelProperty("消息内容，类型不同传值不同，见https://www.yuque.com/snab/mallcaht/rkb2uz5k1qqdmcmd")
+    private Object body;
+
+    @ApiModelProperty("消息内容")
+    @Deprecated
+    private String content;
+
    @ApiModelProperty("回复的消息id,如果没有别传就好")
+    @Deprecated
    private Long replyMsgId;
 }
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/domain/vo/request/msg/TextMsgReq.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/domain/vo/request/msg/TextMsgReq.java
@@ -0,0 +1,25 @@
+package com.abin.mallchat.custom.chat.domain.vo.request.msg;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * Description: 文本消息入参
+ * Author: <a href="https://github.com/zongzibinbin">abin</a>
+ * Date: 2023-06-04
+ */
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class TextMsgReq {
+
+    @ApiModelProperty("消息内容")
+    private String content;
+
+    @ApiModelProperty("回复的消息id,如果没有别传就好")
+    private Long replyMsgId;
+}
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/domain/vo/response/ChatMessageResp.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/domain/vo/response/ChatMessageResp.java
@@ -45,12 +45,16 @@ public class ChatMessageResp {
        private Long id;
        @ApiModelProperty("消息发送时间")
        private Date sendTime;
-        @ApiModelProperty("消息内容")
+        @ApiModelProperty("消息内容-废弃")
+        @Deprecated
        private String content;
-        @ApiModelProperty("消息链接映射")
+        @ApiModelProperty("消息链接映射-废弃")
+        @Deprecated
        private Map<String, String> urlTitleMap;
-        @ApiModelProperty("消息类型 1正常文本 2.爆赞 （点赞超过10）3.危险发言（举报超5）")
+        @ApiModelProperty("消息类型 1正常文本 2.撤回消息")
        private Integer type;
+        @ApiModelProperty("消息内容不同的消息类型，内容体不同，见https://www.yuque.com/snab/mallcaht/rkb2uz5k1qqdmcmd")
+        private Object body;
        @ApiModelProperty("消息标记")
        private MessageMark messageMark;
        @ApiModelProperty("父消息，如果没有父消息，返回的是null")
@@ -59,6 +63,7 @@ public class ChatMessageResp {
    }

    @Data
+    @Deprecated
    public static class ReplyMsg {
        @ApiModelProperty("消息id")
        private Long id;
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/domain/vo/response/msg/TextMsgResp.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/domain/vo/response/msg/TextMsgResp.java
@@ -0,0 +1,48 @@
+package com.abin.mallchat.custom.chat.domain.vo.response.msg;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Map;
+
+/**
+ * Description: 文本消息返回体
+ * Author: <a href="https://github.com/zongzibinbin">abin</a>
+ * Date: 2023-06-04
+ */
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class TextMsgResp {
+    @ApiModelProperty("消息内容")
+    private String content;
+    @ApiModelProperty("消息链接映射")
+    private Map<String, String> urlTitleMap;
+    @ApiModelProperty("父消息，如果没有父消息，返回的是null")
+    private TextMsgResp.ReplyMsg reply;
+
+    @Data
+    @Builder
+    @AllArgsConstructor
+    @NoArgsConstructor
+    public static class ReplyMsg {
+        @ApiModelProperty("消息id")
+        private Long id;
+        @ApiModelProperty("用户uid")
+        private Long uid;
+        @ApiModelProperty("用户名称")
+        private String username;
+        @ApiModelProperty("消息类型 1正常文本 2.撤回消息")
+        private Integer type;
+        @ApiModelProperty("消息内容不同的消息类型，见父消息内容体")
+        private Object body;
+        @ApiModelProperty("是否可消息跳转 0否 1是")
+        private Integer canCallback;
+        @ApiModelProperty("跳转间隔的消息条数")
+        private Integer gapCount;
+    }
+}
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/ChatService.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/ChatService.java
@@ -3,6 +3,7 @@ package com.abin.mallchat.custom.chat.service;
 import com.abin.mallchat.common.chat.domain.entity.Message;
 import com.abin.mallchat.common.common.domain.vo.request.CursorPageBaseReq;
 import com.abin.mallchat.common.common.domain.vo.response.CursorPageBaseResp;
+import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageBaseReq;
 import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageMarkReq;
 import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessagePageReq;
 import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageReq;
@@ -73,4 +74,6 @@ public interface ChatService {
    ChatMemberStatisticResp getMemberStatistic();

    void setMsgMark(Long uid, ChatMessageMarkReq request);
+
+    void recallMsg(Long uid, ChatMessageBaseReq request);
 }
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/adapter/MessageAdapter.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/adapter/MessageAdapter.java
@@ -2,8 +2,8 @@ package com.abin.mallchat.custom.chat.service.adapter;

 import cn.hutool.core.bean.BeanUtil;
 import com.abin.mallchat.common.chat.domain.entity.Message;
-import com.abin.mallchat.common.chat.domain.entity.MessageExtra;
 import com.abin.mallchat.common.chat.domain.entity.MessageMark;
+import com.abin.mallchat.common.chat.domain.entity.msg.MessageExtra;
 import com.abin.mallchat.common.chat.domain.enums.MessageMarkTypeEnum;
 import com.abin.mallchat.common.chat.domain.enums.MessageStatusEnum;
 import com.abin.mallchat.common.common.domain.enums.YesOrNoEnum;
@@ -14,6 +14,8 @@ import com.abin.mallchat.common.user.domain.entity.ItemConfig;
 import com.abin.mallchat.common.user.domain.entity.User;
 import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageReq;
 import com.abin.mallchat.custom.chat.domain.vo.response.ChatMessageResp;
+import com.abin.mallchat.custom.chat.service.strategy.msg.AbstractMsgHandler;
+import com.abin.mallchat.custom.chat.service.strategy.msg.MsgHandlerFactory;

 import java.util.*;
 import java.util.stream.Collectors;
@@ -24,14 +26,12 @@ import java.util.stream.Collectors;
 * Date: 2023-03-26
 */
 public class MessageAdapter {
-    public static final int CAN_CALLBACK_GAP_COUNT = 50;
+    public static final int CAN_CALLBACK_GAP_COUNT = 100;
    private static final PrioritizedUrlTitleDiscover URL_TITLE_DISCOVER = new PrioritizedUrlTitleDiscover();

    public static Message buildMsgSave(ChatMessageReq request, Long uid) {

        return Message.builder()
-                .replyMsgId(request.getReplyMsgId())
-                .content(request.getContent())
                .fromUid(uid)
                .roomId(request.getRoomId())
                .status(MessageStatusEnum.NORMAL.getStatus())
@@ -61,8 +61,11 @@ public class MessageAdapter {
        ChatMessageResp.Message messageVO = new ChatMessageResp.Message();
        BeanUtil.copyProperties(message, messageVO);
        messageVO.setSendTime(message.getCreateTime());
+        AbstractMsgHandler msgHandler = MsgHandlerFactory.getStrategyNoNull(message.getType());
+        messageVO.setBody(msgHandler.showMsg(message));
        messageVO.setUrlTitleMap(Optional.ofNullable(message.getExtra()).map(MessageExtra::getUrlTitleMap).orElse(null));
        Message replyMessage = replyMap.get(message.getReplyMsgId());
+
        //回复消息
        if (Objects.nonNull(replyMessage)) {
            ChatMessageResp.ReplyMsg replyMsgVO = new ChatMessageResp.ReplyMsg();
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/impl/ChatServiceImpl.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/impl/ChatServiceImpl.java
@@ -2,6 +2,8 @@ package com.abin.mallchat.custom.chat.service.impl;

 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.collection.CollectionUtil;
+import cn.hutool.core.date.DateUnit;
+import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.lang.Pair;
 import com.abin.mallchat.common.chat.dao.MessageDao;
 import com.abin.mallchat.common.chat.dao.MessageMarkDao;
@@ -10,19 +12,21 @@ import com.abin.mallchat.common.chat.domain.entity.Message;
 import com.abin.mallchat.common.chat.domain.entity.MessageMark;
 import com.abin.mallchat.common.chat.domain.entity.Room;
 import com.abin.mallchat.common.chat.domain.enums.MessageMarkActTypeEnum;
+import com.abin.mallchat.common.chat.domain.enums.MessageTypeEnum;
 import com.abin.mallchat.common.common.annotation.RedissonLock;
-import com.abin.mallchat.common.common.domain.enums.YesOrNoEnum;
 import com.abin.mallchat.common.common.domain.vo.request.CursorPageBaseReq;
 import com.abin.mallchat.common.common.domain.vo.response.CursorPageBaseResp;
 import com.abin.mallchat.common.common.event.MessageSendEvent;
-import com.abin.mallchat.common.common.exception.BusinessException;
 import com.abin.mallchat.common.common.utils.AssertUtil;
 import com.abin.mallchat.common.user.dao.UserDao;
 import com.abin.mallchat.common.user.domain.entity.ItemConfig;
 import com.abin.mallchat.common.user.domain.entity.User;
 import com.abin.mallchat.common.user.domain.enums.ChatActiveStatusEnum;
+import com.abin.mallchat.common.user.domain.enums.RoleEnum;
+import com.abin.mallchat.common.user.service.IRoleService;
 import com.abin.mallchat.common.user.service.cache.ItemCache;
 import com.abin.mallchat.common.user.service.cache.UserCache;
+import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageBaseReq;
 import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageMarkReq;
 import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessagePageReq;
 import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageReq;
@@ -37,6 +41,9 @@ import com.abin.mallchat.custom.chat.service.adapter.RoomAdapter;
 import com.abin.mallchat.custom.chat.service.helper.ChatMemberHelper;
 import com.abin.mallchat.custom.chat.service.strategy.mark.AbstractMsgMarkStrategy;
 import com.abin.mallchat.custom.chat.service.strategy.mark.MsgMarkFactory;
+import com.abin.mallchat.custom.chat.service.strategy.msg.AbstractMsgHandler;
+import com.abin.mallchat.custom.chat.service.strategy.msg.MsgHandlerFactory;
+import com.abin.mallchat.custom.chat.service.strategy.msg.RecallMsgHandler;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationEventPublisher;
@@ -73,6 +80,10 @@ public class ChatServiceImpl implements ChatService {
    private MessageMarkDao messageMarkDao;
    @Autowired
    private ItemCache itemCache;
+    @Autowired
+    private IRoleService iRoleService;
+    @Autowired
+    private RecallMsgHandler recallMsgHandler;

    /**
     * 发送消息
@@ -80,22 +91,12 @@ public class ChatServiceImpl implements ChatService {
    @Override
    @Transactional
    public Long sendMsg(ChatMessageReq request, Long uid) {
-        //校验下回复消息
-        Message replyMsg = null;
-        if (Objects.nonNull(request.getReplyMsgId())) {
-            replyMsg = messageDao.getById(request.getReplyMsgId());
-            AssertUtil.isNotEmpty(replyMsg, "回复消息不存在");
-            AssertUtil.equal(replyMsg.getRoomId(), request.getRoomId(), "只能回复相同会话内的消息");
-
-        }
+        AbstractMsgHandler msgHandler = MsgHandlerFactory.getStrategyNoNull(request.getMsgType());//todo 这里先不扩展，后续再改
+        msgHandler.checkMsg(request);
        //同步获取消息的跳转链接标题
        Message insert = MessageAdapter.buildMsgSave(request, uid);
        messageDao.save(insert);
-        //如果有回复消息
-        if (Objects.nonNull(replyMsg)) {
-            Integer gapCount = messageDao.getGapCount(request.getRoomId(), replyMsg.getId(), insert.getId());
-            messageDao.updateGapCount(insert.getId(), gapCount);
-        }
+        msgHandler.saveMsg(insert, request);
        //发布消息发送事件
        applicationEventPublisher.publishEvent(new MessageSendEvent(this, insert.getId()));
        return insert.getId();
@@ -186,13 +187,26 @@ public class ChatServiceImpl implements ChatService {
        }
    }

-    private Integer transformAct(Integer actType) {
-        if (actType == 1) {
-            return YesOrNoEnum.NO.getStatus();
-        } else if (actType == 2) {
-            return YesOrNoEnum.YES.getStatus();
+    @Override
+    public void recallMsg(Long uid, ChatMessageBaseReq request) {
+        Message message = messageDao.getById(request.getMsgId());
+        //校验能不能执行撤回
+        checkRecall(uid, message);
+        //执行消息撤回
+        recallMsgHandler.recall(uid, message);
+    }
+
+    private void checkRecall(Long uid, Message message) {
+        AssertUtil.isNotEmpty(message, "消息有误");
+        AssertUtil.notEqual(message.getType(), MessageTypeEnum.RECALL, "消息无法撤回");
+        boolean hasPower = iRoleService.hasPower(uid, RoleEnum.CHAT_MANAGER);
+        if (hasPower) {
+            return;
        }
-        throw new BusinessException("动作类型 1确认 2取消");
+        boolean self = Objects.equals(uid, message.getFromUid());
+        AssertUtil.isTrue(self, "抱歉,您没有权限");
+        long between = DateUtil.between(message.getCreateTime(), new Date(), DateUnit.MINUTE);
+        AssertUtil.isTrue(between < 2, "覆水难收，超过2分钟的消息不能撤回哦~~");
    }

    public List<ChatMessageResp> getMsgRespBatch(List<Message> messages, Long receiveUid) {
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/mark/DisLikeStrategy.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/mark/DisLikeStrategy.java
@@ -23,7 +23,7 @@ public class DisLikeStrategy extends AbstractMsgMarkStrategy {

    @Override
    public void doMark(Long uid, Long msgId) {
-        super.mark(uid, msgId);
+        super.doMark(uid, msgId);
        //同时取消点赞的动作
        MsgMarkFactory.getStrategyNoNull(MessageMarkTypeEnum.LIKE.getType()).unMark(uid, msgId);
    }
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/mark/LikeStrategy.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/mark/LikeStrategy.java
@@ -18,7 +18,7 @@ public class LikeStrategy extends AbstractMsgMarkStrategy {

    @Override
    public void doMark(Long uid, Long msgId) {
-        super.mark(uid, msgId);
+        super.doMark(uid, msgId);
        //同时取消点踩的动作
        MsgMarkFactory.getStrategyNoNull(MessageMarkTypeEnum.DISLIKE.getType()).unMark(uid, msgId);
    }
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/msg/AbstractMsgHandler.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/msg/AbstractMsgHandler.java
@@ -0,0 +1,31 @@
+package com.abin.mallchat.custom.chat.service.strategy.msg;
+
+import com.abin.mallchat.common.chat.domain.entity.Message;
+import com.abin.mallchat.common.chat.domain.enums.MessageTypeEnum;
+import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageReq;
+
+import javax.annotation.PostConstruct;
+
+/**
+ * Description: 消息处理器抽象类
+ * Author: <a href="https://github.com/zongzibinbin">abin</a>
+ * Date: 2023-06-04
+ */
+public abstract class AbstractMsgHandler {
+
+    @PostConstruct
+    private void init() {
+        MsgHandlerFactory.register(getMsgTypeEnum().getType(), this);
+    }
+
+    abstract MessageTypeEnum getMsgTypeEnum();
+
+    public abstract void checkMsg(ChatMessageReq req);
+
+    public abstract void saveMsg(Message msg, ChatMessageReq req);
+
+    public abstract Object showMsg(Message msg);
+
+    public abstract Object showReplyMsg(Message msg);
+
+}
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/msg/MsgHandler.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/msg/MsgHandler.java
@@ -0,0 +1,11 @@
+package com.abin.mallchat.custom.chat.service.strategy.msg;
+
+import com.abin.mallchat.common.chat.domain.entity.Message;
+
+public interface MsgHandler<RESP, REQ> {
+
+    void saveMsg(Message msg, REQ req);
+
+    RESP showMsg(Message msg);
+
+}
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/msg/MsgHandlerFactory.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/msg/MsgHandlerFactory.java
@@ -0,0 +1,26 @@
+package com.abin.mallchat.custom.chat.service.strategy.msg;
+
+import com.abin.mallchat.common.common.exception.CommonErrorEnum;
+import com.abin.mallchat.common.common.utils.AssertUtil;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Description:
+ * Author: <a href="https://github.com/zongzibinbin">abin</a>
+ * Date: 2023-06-04
+ */
+public class MsgHandlerFactory {
+    private static final Map<Integer, AbstractMsgHandler> STRATEGY_MAP = new HashMap<>();
+
+    public static void register(Integer code, AbstractMsgHandler strategy) {
+        STRATEGY_MAP.put(code, strategy);
+    }
+
+    public static AbstractMsgHandler getStrategyNoNull(Integer code) {
+        AbstractMsgHandler strategy = STRATEGY_MAP.get(code);
+        AssertUtil.isNotEmpty(strategy, CommonErrorEnum.PARAM_VALID);
+        return strategy;
+    }
+}
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/msg/RecallMsgHandler.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/msg/RecallMsgHandler.java
@@ -0,0 +1,79 @@
+package com.abin.mallchat.custom.chat.service.strategy.msg;
+
+import com.abin.mallchat.common.chat.dao.MessageDao;
+import com.abin.mallchat.common.chat.domain.dto.ChatMsgRecallDTO;
+import com.abin.mallchat.common.chat.domain.entity.Message;
+import com.abin.mallchat.common.chat.domain.entity.msg.MessageExtra;
+import com.abin.mallchat.common.chat.domain.entity.msg.MsgRecall;
+import com.abin.mallchat.common.chat.domain.enums.MessageTypeEnum;
+import com.abin.mallchat.common.chat.service.cache.MsgCache;
+import com.abin.mallchat.common.common.event.MessageRecallEvent;
+import com.abin.mallchat.common.user.domain.entity.User;
+import com.abin.mallchat.common.user.service.cache.UserCache;
+import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageReq;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.stereotype.Component;
+
+import java.util.Date;
+import java.util.Objects;
+
+/**
+ * Description: 撤回文本消息
+ * Author: <a href="https://github.com/zongzibinbin">abin</a>
+ * Date: 2023-06-04
+ */
+@Component
+public class RecallMsgHandler extends AbstractMsgHandler {
+    @Autowired
+    private MessageDao messageDao;
+    @Autowired
+    private UserCache userCache;
+    @Autowired
+    private MsgCache msgCache;
+    @Autowired
+    private ApplicationEventPublisher applicationEventPublisher;
+
+    @Override
+    MessageTypeEnum getMsgTypeEnum() {
+        return MessageTypeEnum.RECALL;
+    }
+
+    @Override
+    public void checkMsg(ChatMessageReq request) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void saveMsg(Message msg, ChatMessageReq request) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public Object showMsg(Message msg) {//todo 后期让前端来做
+        MsgRecall recall = msg.getExtra().getRecall();
+        if (!Objects.equals(recall.getRecallUid(), msg.getFromUid())) {
+            User userInfo = userCache.getUserInfo(recall.getRecallUid());
+            return "管理员\"" + userInfo.getName() + "\"撤回了一条成员消息";
+        }
+        User userInfo = userCache.getUserInfo(msg.getFromUid());
+        return "\"" + userInfo.getName() + "\"撤回了一条消息";
+    }
+
+    @Override
+    public Object showReplyMsg(Message msg) {
+        return "原消息已被撤回";
+    }
+
+    public void recall(Long recallUid, Message message) {//todo 消息覆盖问题用版本号解决
+        MessageExtra extra = message.getExtra();
+        extra.setRecall(new MsgRecall(recallUid, new Date()));
+        Message update = new Message();
+        update.setId(message.getId());
+        update.setType(MessageTypeEnum.RECALL.getType());
+        update.setExtra(extra);
+        messageDao.updateById(update);
+        applicationEventPublisher.publishEvent(new MessageRecallEvent(this, new ChatMsgRecallDTO(message.getId(), message.getRoomId(), recallUid)));
+
+    }
+}
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/msg/TextMsgHandler.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/chat/service/strategy/msg/TextMsgHandler.java
@@ -0,0 +1,101 @@
+package com.abin.mallchat.custom.chat.service.strategy.msg;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.abin.mallchat.common.chat.dao.MessageDao;
+import com.abin.mallchat.common.chat.domain.entity.Message;
+import com.abin.mallchat.common.chat.domain.entity.msg.MessageExtra;
+import com.abin.mallchat.common.chat.domain.enums.MessageStatusEnum;
+import com.abin.mallchat.common.chat.domain.enums.MessageTypeEnum;
+import com.abin.mallchat.common.chat.service.cache.MsgCache;
+import com.abin.mallchat.common.common.domain.enums.YesOrNoEnum;
+import com.abin.mallchat.common.common.utils.AssertUtil;
+import com.abin.mallchat.common.user.domain.entity.User;
+import com.abin.mallchat.common.user.service.cache.UserCache;
+import com.abin.mallchat.custom.chat.domain.vo.request.ChatMessageReq;
+import com.abin.mallchat.custom.chat.domain.vo.request.msg.TextMsgReq;
+import com.abin.mallchat.custom.chat.domain.vo.response.msg.TextMsgResp;
+import com.abin.mallchat.custom.chat.service.adapter.MessageAdapter;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.Objects;
+import java.util.Optional;
+
+/**
+ * Description: 普通文本消息
+ * Author: <a href="https://github.com/zongzibinbin">abin</a>
+ * Date: 2023-06-04
+ */
+@Component
+public class TextMsgHandler extends AbstractMsgHandler {
+    @Autowired
+    private MessageDao messageDao;
+    @Autowired
+    private MsgCache msgCache;
+    @Autowired
+    private UserCache userCache;
+
+    @Override
+    MessageTypeEnum getMsgTypeEnum() {
+        return MessageTypeEnum.TEXT;
+    }
+
+    @Override
+    public void checkMsg(ChatMessageReq request) {
+        TextMsgReq body = BeanUtil.toBean(request.getBody(), TextMsgReq.class);
+        AssertUtil.isNotEmpty(body.getContent(), "内容不能为空");
+        AssertUtil.isTrue(body.getContent().length() < 500, "消息内容过长，服务器扛不住啊，兄dei");
+        //校验下回复消息
+        if (Objects.nonNull(body.getReplyMsgId())) {
+            Message replyMsg = messageDao.getById(body.getReplyMsgId());
+            AssertUtil.isNotEmpty(replyMsg, "回复消息不存在");
+            AssertUtil.equal(replyMsg.getRoomId(), request.getRoomId(), "只能回复相同会话内的消息");
+        }
+    }
+
+    @Override
+    public void saveMsg(Message msg, ChatMessageReq request) {//插入文本内容
+        TextMsgReq body = BeanUtil.toBean(request.getBody(), TextMsgReq.class);
+        Message update = new Message();
+        update.setId(msg.getId());
+        update.setContent(body.getContent());
+        //如果有回复消息
+        if (Objects.nonNull(body.getReplyMsgId())) {
+            Integer gapCount = messageDao.getGapCount(request.getRoomId(), body.getReplyMsgId(), msg.getId());
+            update.setGapCount(gapCount);
+            update.setReplyMsgId(body.getReplyMsgId());
+
+        }
+        messageDao.updateById(update);
+    }
+
+    @Override
+    public Object showMsg(Message msg) {
+        TextMsgResp resp = new TextMsgResp();
+        resp.setContent(msg.getContent());
+        resp.setUrlTitleMap(Optional.ofNullable(msg.getExtra()).map(MessageExtra::getUrlTitleMap).orElse(null));
+        //回复消息
+        Optional<Message> reply = Optional.ofNullable(msg.getReplyMsgId())
+                .map(msgCache::getMsg)
+                .filter(a -> Objects.equals(a.getStatus(), MessageStatusEnum.NORMAL.getStatus()));
+        if (reply.isPresent()) {
+            Message replyMessage = reply.get();
+            TextMsgResp.ReplyMsg replyMsgVO = new TextMsgResp.ReplyMsg();
+            replyMsgVO.setId(replyMessage.getId());
+            replyMsgVO.setUid(replyMessage.getFromUid());
+            replyMessage.setType(replyMessage.getType());
+            replyMsgVO.setBody(MsgHandlerFactory.getStrategyNoNull(replyMessage.getType()).showReplyMsg(replyMessage));
+            User replyUser = userCache.getUserInfo(replyMessage.getFromUid());
+            replyMsgVO.setUsername(replyUser.getName());
+            replyMsgVO.setCanCallback(YesOrNoEnum.toStatus(Objects.nonNull(msg.getGapCount()) && msg.getGapCount() <= MessageAdapter.CAN_CALLBACK_GAP_COUNT));
+            replyMsgVO.setGapCount(msg.getGapCount());
+            resp.setReply(replyMsgVO);
+        }
+        return resp;
+    }
+
+    @Override
+    public Object showReplyMsg(Message msg) {
+        return msg.getContent();
+    }
+}