新增：获取会话列表，获取消息列表

yudao-module-im/yudao-module-im-biz/src/main/java/cn/iocoder/yudao/module/im/controller/admin/conversation/ImConversationController.java

@@ -1,31 +1,22 @@
 package cn.iocoder.yudao.module.im.controller.admin.conversation;
 
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
-import cn.iocoder.yudao.framework.common.pojo.PageParam;
-import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
-import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
-import cn.iocoder.yudao.framework.operatelog.core.annotations.OperateLog;
-import cn.iocoder.yudao.module.im.controller.admin.conversation.vo.ImConversationPageReqVO;
 import cn.iocoder.yudao.module.im.controller.admin.conversation.vo.ImConversationRespVO;
 import cn.iocoder.yudao.module.im.controller.admin.conversation.vo.ImConversationSaveReqVO;
 import cn.iocoder.yudao.module.im.dal.dataobject.conversation.ImConversationDO;
 import cn.iocoder.yudao.module.im.service.conversation.ImConversationService;
 import io.swagger.v3.oas.annotations.Operation;
-import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.annotation.Resource;
-import jakarta.servlet.http.HttpServletResponse;
 import jakarta.validation.Valid;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
-import java.io.IOException;
 import java.util.List;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
-import static cn.iocoder.yudao.framework.operatelog.core.enums.OperateTypeEnum.EXPORT;
 
 @Tag(name = "管理后台 - 会话")
 @RestController
@@ -36,58 +27,30 @@ public class ImConversationController {
     @Resource
     private ImConversationService imConversationService;
 
-    @PostMapping("/create")
-    @Operation(summary = "创建会话")
-    @PreAuthorize("@ss.hasPermission('im:conversation:create')")
-    public CommonResult<Long> createConversation(@Valid @RequestBody ImConversationSaveReqVO createReqVO) {
-        return success(imConversationService.createConversation(createReqVO));
+    @GetMapping("/get-conversation")
+    @Operation(summary = "获得用户的会话列表")
+    @PreAuthorize("hasAuthority('im:conversation:query')")
+    public CommonResult<List<ImConversationRespVO>> getConversationList() {
+        List<ImConversationDO> conversationList = imConversationService.getConversationList();
+        return success(BeanUtils.toBean(conversationList, ImConversationRespVO.class));
     }
 
-    @PutMapping("/update")
-    @Operation(summary = "更新会话")
-    @PreAuthorize("@ss.hasPermission('im:conversation:update')")
-    public CommonResult<Boolean> updateConversation(@Valid @RequestBody ImConversationSaveReqVO updateReqVO) {
-        imConversationService.updateConversation(updateReqVO);
-        return success(true);
-    }
 
-    @DeleteMapping("/delete")
-    @Operation(summary = "删除会话")
-    @Parameter(name = "id", description = "编号", required = true)
-    @PreAuthorize("@ss.hasPermission('im:conversation:delete')")
-    public CommonResult<Boolean> deleteConversation(@RequestParam("id") Long id) {
-        imConversationService.deleteConversation(id);
+    @PostMapping("/update-top")
+    @Operation(summary = "置顶会话")
+    @PreAuthorize("hasAuthority('im:conversation:update')")
+    public CommonResult<Boolean> updateTop(@Valid @RequestBody ImConversationSaveReqVO updateReqVO) {
+        imConversationService.updateTop(updateReqVO);
         return success(true);
     }
 
-    @GetMapping("/get")
-    @Operation(summary = "获得会话")
-    @Parameter(name = "id", description = "编号", required = true, example = "1024")
-    @PreAuthorize("@ss.hasPermission('im:conversation:query')")
-    public CommonResult<ImConversationRespVO> getConversation(@RequestParam("id") Long id) {
-        ImConversationDO conversation = imConversationService.getConversation(id);
-        return success(BeanUtils.toBean(conversation, ImConversationRespVO.class));
-    }
-
-    @GetMapping("/page")
-    @Operation(summary = "获得会话分页")
-    @PreAuthorize("@ss.hasPermission('im:conversation:query')")
-    public CommonResult<PageResult<ImConversationRespVO>> getConversationPage(@Valid ImConversationPageReqVO pageReqVO) {
-        PageResult<ImConversationDO> pageResult = imConversationService.getConversationPage(pageReqVO);
-        return success(BeanUtils.toBean(pageResult, ImConversationRespVO.class));
-    }
 
-    @GetMapping("/export-excel")
-    @Operation(summary = "导出会话 Excel")
-    @PreAuthorize("@ss.hasPermission('im:conversation:export')")
-    @OperateLog(type = EXPORT)
-    public void exportConversationExcel(@Valid ImConversationPageReqVO pageReqVO,
-                                        HttpServletResponse response) throws IOException {
-        pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
-        List<ImConversationDO> list = imConversationService.getConversationPage(pageReqVO).getList();
-        // 导出 Excel
-        ExcelUtils.write(response, "会话.xls", "数据", ImConversationRespVO.class,
-                BeanUtils.toBean(list, ImConversationRespVO.class));
+    @PostMapping("/update-last-read-time")
+    @Operation(summary = "更新最后已读时间")
+    @PreAuthorize("hasAuthority('im:conversation:update')")
+    public CommonResult<Boolean> updateLastReadTime(@Valid @RequestBody ImConversationSaveReqVO updateReqVO) {
+        imConversationService.updateLastReadTime(updateReqVO);
+        return success(true);
     }
 
 }

yudao-module-im/yudao-module-im-biz/src/main/java/cn/iocoder/yudao/module/im/controller/admin/message/ImMessageController.java

@@ -1,31 +1,28 @@
 package cn.iocoder.yudao.module.im.controller.admin.message;
 
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
-import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
-import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
-import cn.iocoder.yudao.framework.operatelog.core.annotations.OperateLog;
 import cn.iocoder.yudao.module.im.controller.admin.message.vo.ImMessagePageReqVO;
 import cn.iocoder.yudao.module.im.controller.admin.message.vo.ImMessageRespVO;
-import cn.iocoder.yudao.module.im.controller.admin.message.vo.ImMessageSaveReqVO;
 import cn.iocoder.yudao.module.im.dal.dataobject.message.ImMessageDO;
 import cn.iocoder.yudao.module.im.service.message.ImMessageService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.annotation.Resource;
-import jakarta.servlet.http.HttpServletResponse;
 import jakarta.validation.Valid;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
 
-import java.io.IOException;
 import java.util.List;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
-import static cn.iocoder.yudao.framework.operatelog.core.enums.OperateTypeEnum.EXPORT;
+import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
 
 @Tag(name = "管理后台 - 消息")
 @RestController
@@ -36,58 +33,36 @@ public class ImMessageController {
     @Resource
     private ImMessageService imMessageService;
 
-    @PostMapping("/create")
-    @Operation(summary = "创建消息")
-    @PreAuthorize("@ss.hasPermission('im:message:create')")
-    public CommonResult<Long> createMessage(@Valid @RequestBody ImMessageSaveReqVO createReqVO) {
-        return success(imMessageService.createMessage(createReqVO));
+    @GetMapping("/get-message-by-sequence")
+    @Operation(summary = "拉取消息-增量拉取大于 seq 的消息")
+    @Parameter(name = "sequence", description = "序号", required = true, example = "1")
+    @Parameter(name = "size", description = "条数", required = true, example = "10")
+    @PreAuthorize("@ss.hasPermission('im:message:query')")
+    public CommonResult<List<ImMessageRespVO>> loadMessage(
+            @RequestParam("sequence") Long sequence,
+            @RequestParam("size") Integer size) {
+        List<ImMessageDO> message = imMessageService.loadMessage(getLoginUserId(), sequence, size);
+        return success(BeanUtils.toBean(message, ImMessageRespVO.class));
     }
 
-    @PutMapping("/update")
-    @Operation(summary = "更新消息")
-    @PreAuthorize("@ss.hasPermission('im:message:update')")
-    public CommonResult<Boolean> updateMessage(@Valid @RequestBody ImMessageSaveReqVO updateReqVO) {
-        imMessageService.updateMessage(updateReqVO);
-        return success(true);
-    }
 
-    @DeleteMapping("/delete")
-    @Operation(summary = "删除消息")
-    @Parameter(name = "id", description = "编号", required = true)
-    @PreAuthorize("@ss.hasPermission('im:message:delete')")
-    public CommonResult<Boolean> deleteMessage(@RequestParam("id") Long id) {
-        imMessageService.deleteMessage(id);
-        return success(true);
-    }
-
-    @GetMapping("/get")
-    @Operation(summary = "获得消息")
-    @Parameter(name = "id", description = "编号", required = true, example = "1024")
+    @GetMapping("/get-all-message")
+    @Operation(summary = "拉取全部消息")
+    @Parameter(name = "size", description = "条数", required = true, example = "10")
     @PreAuthorize("@ss.hasPermission('im:message:query')")
-    public CommonResult<ImMessageRespVO> getMessage(@RequestParam("id") Long id) {
-        ImMessageDO message = imMessageService.getMessage(id);
+    public CommonResult<List<ImMessageRespVO>> loadAllMessage(@RequestParam("size") Integer size) {
+        List<ImMessageDO> message = imMessageService.loadAllMessage(getLoginUserId(), size);
         return success(BeanUtils.toBean(message, ImMessageRespVO.class));
     }
 
+
     @GetMapping("/page")
-    @Operation(summary = "获得消息分页")
+    @Operation(summary = "查询聊天记录-分页")
     @PreAuthorize("@ss.hasPermission('im:message:query')")
     public CommonResult<PageResult<ImMessageRespVO>> getMessagePage(@Valid ImMessagePageReqVO pageReqVO) {
-        PageResult<ImMessageDO> pageResult = imMessageService.getMessagePage(pageReqVO);
-        return success(BeanUtils.toBean(pageResult, ImMessageRespVO.class));
+        PageResult<ImMessageDO> messagePage = imMessageService.getMessagePage(pageReqVO);
+        return success(BeanUtils.toBean(messagePage, ImMessageRespVO.class));
     }
 
-    @GetMapping("/export-excel")
-    @Operation(summary = "导出消息 Excel")
-    @PreAuthorize("@ss.hasPermission('im:message:export')")
-    @OperateLog(type = EXPORT)
-    public void exportMessageExcel(@Valid ImMessagePageReqVO pageReqVO,
-                                   HttpServletResponse response) throws IOException {
-        pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
-        List<ImMessageDO> list = imMessageService.getMessagePage(pageReqVO).getList();
-        // 导出 Excel
-        ExcelUtils.write(response, "消息.xls", "数据", ImMessageRespVO.class,
-                BeanUtils.toBean(list, ImMessageRespVO.class));
-    }
 
 }

yudao-module-im/yudao-module-im-biz/src/main/java/cn/iocoder/yudao/module/im/dal/mysql/message/ImMessageMapper.java

@@ -4,9 +4,13 @@ import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
 import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.module.im.controller.admin.message.vo.ImMessagePageReqVO;
+import cn.iocoder.yudao.module.im.dal.dataobject.inbox.ImInboxDO;
 import cn.iocoder.yudao.module.im.dal.dataobject.message.ImMessageDO;
+import com.github.yulichang.wrapper.MPJLambdaWrapper;
 import org.apache.ibatis.annotations.Mapper;
 
+import java.util.List;
+
 /**
  * 消息 Mapper
  *
@@ -32,4 +36,24 @@ public interface ImMessageMapper extends BaseMapperX<ImMessageDO> {
                 .orderByDesc(ImMessageDO::getId));
     }
 
+    default List<ImMessageDO> getGreaterThanSequenceMessage(Long userId, Long sequence, Integer size) {
+        //查询 inbox 表中，大于 sequence 的消息,关联 message 表，按照 inbox 表 sequence 升序
+        return selectJoinList(ImMessageDO.class, new MPJLambdaWrapper<ImMessageDO>()
+                .selectAll(ImMessageDO.class)
+                .innerJoin(ImInboxDO.class, ImInboxDO::getMessageId, ImMessageDO::getId)
+                .eq(ImInboxDO::getUserId, userId)
+                .gt(ImInboxDO::getSequence, sequence)
+                .orderByAsc(ImInboxDO::getSequence)
+                .last("limit 0," + size));
+    }
+
+    default List<ImMessageDO> getAllMessage(Long userId, Integer size) {
+        //查询 inbox 表中，100条消息,关联 message 表，按照 inbox 表 sequence 降序
+        return selectJoinList(ImMessageDO.class, new MPJLambdaWrapper<ImMessageDO>()
+                .selectAll(ImMessageDO.class)
+                .innerJoin(ImInboxDO.class, ImInboxDO::getMessageId, ImMessageDO::getId)
+                .eq(ImInboxDO::getUserId, userId)
+                .orderByDesc(ImInboxDO::getSequence)
+                .last("limit 0," + size));
+    }
 }

yudao-module-im/yudao-module-im-biz/src/main/java/cn/iocoder/yudao/module/im/service/conversation/ImConversationService.java

@@ -6,6 +6,8 @@ import cn.iocoder.yudao.module.im.controller.admin.conversation.vo.ImConversatio
 import cn.iocoder.yudao.module.im.dal.dataobject.conversation.ImConversationDO;
 import jakarta.validation.Valid;
 
+import java.util.List;
+
 /**
  * 会话 Service 接口
  *
@@ -53,10 +55,23 @@ public interface ImConversationService {
 
 
     /**
-     * 保存私聊会话
+     * 获得用户的会话列表
+     *
+     * @return 会话列表
+     */
+    List<ImConversationDO> getConversationList();
+
+    /**
+     * 置顶会话
      *
-     * @param fromUserId 发送者
-     * @param receiverId 接收者
+     * @param updateReqVO 更新信息
+     */
+    void updateTop(ImConversationSaveReqVO updateReqVO);
+
+    /**
+     * 更新最后已读时间
+     *
+     * @param updateReqVO 更新信息
      */
-    void savePrivateConversation(Long fromUserId, Long receiverId);
+    void updateLastReadTime(ImConversationSaveReqVO updateReqVO);
 }

yudao-module-im/yudao-module-im-biz/src/main/java/cn/iocoder/yudao/module/im/service/conversation/ImConversationServiceImpl.java

@@ -1,16 +1,19 @@
 package cn.iocoder.yudao.module.im.service.conversation;
 
+import cn.hutool.core.date.DateUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
 import cn.iocoder.yudao.module.im.controller.admin.conversation.vo.ImConversationPageReqVO;
 import cn.iocoder.yudao.module.im.controller.admin.conversation.vo.ImConversationSaveReqVO;
 import cn.iocoder.yudao.module.im.dal.dataobject.conversation.ImConversationDO;
 import cn.iocoder.yudao.module.im.dal.mysql.conversation.ImConversationMapper;
-import cn.iocoder.yudao.module.im.enums.conversation.ImConversationTypeEnum;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
+import java.util.Date;
+import java.util.List;
+
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
 import static cn.iocoder.yudao.module.im.enums.ErrorCodeConstants.CONVERSATION_NOT_EXISTS;
 
@@ -69,25 +72,36 @@ public class ImConversationServiceImpl implements ImConversationService {
     }
 
     @Override
-    public void savePrivateConversation(Long fromUserId, Long receiverId) {
-        // 创建并保存会话
-        createAndSaveConversation(fromUserId, receiverId);
-        createAndSaveConversation(receiverId, fromUserId);
+    public List<ImConversationDO> getConversationList() {
+        return imConversationMapper.selectList();
+    }
+
+    @Override
+    public void updateTop(ImConversationSaveReqVO updateReqVO) {
+        createOrUpdateConversation(updateReqVO);
+    }
+
+    @Override
+    public void updateLastReadTime(ImConversationSaveReqVO updateReqVO) {
+        createOrUpdateConversation(updateReqVO);
     }
 
-    private void createAndSaveConversation(Long userId, Long targetId) {
-        // 创建会话
-        ImConversationDO conversation = new ImConversationDO();
-        conversation.setUserId(userId);
-        conversation.setConversationType(ImConversationTypeEnum.PRIVATE.getType());
-        conversation.setTargetId(targetId);
-        conversation.setNo("s_" + userId + "_" + targetId);
-        conversation.setPinned(false);
-
-        // 根据 no 查询是否存在,不存在则新增
-        ImConversationDO imConversationDO = imConversationMapper.selectByNo(conversation.getNo());
-        if (imConversationDO == null) {
-            imConversationMapper.insert(conversation);
+    private void createOrUpdateConversation(ImConversationSaveReqVO updateReqVO) {
+        // 操作会话（已读、置顶）时，才会延迟创建,要先判断是否存在，根据 no 查询是否存在,不存在则新增
+        ImConversationDO conversation = imConversationMapper.selectByNo(updateReqVO.getNo());
+        if (conversation == null) {
+            ImConversationDO conversationDO = new ImConversationDO();
+            conversationDO.setNo(updateReqVO.getNo());
+            conversationDO.setUserId(updateReqVO.getUserId());
+            conversationDO.setTargetId(updateReqVO.getTargetId());
+            conversationDO.setConversationType(updateReqVO.getConversationType());
+            conversationDO.setPinned(updateReqVO.getPinned());
+            conversationDO.setLastReadTime(DateUtil.toLocalDateTime(new Date()));
+            imConversationMapper.insert(conversationDO);
+        } else {
+            // 更新
+            ImConversationDO updateObj = BeanUtils.toBean(updateReqVO, ImConversationDO.class);
+            imConversationMapper.updateById(updateObj);
         }
     }
 

yudao-module-im/yudao-module-im-biz/src/main/java/cn/iocoder/yudao/module/im/service/message/ImMessageService.java

@@ -7,6 +7,8 @@ import cn.iocoder.yudao.module.im.dal.dataobject.message.ImMessageDO;
 import cn.iocoder.yudao.module.im.websocket.message.ImSendMessage;
 import jakarta.validation.Valid;
 
+import java.util.List;
+
 /**
  * 消息 Service 接口
  *
@@ -72,9 +74,29 @@ public interface ImMessageService {
 
     /**
      * 保存群聊消息
-     * @param message 消息
+     *
+     * @param message    消息
      * @param fromUserId 发送者用户ID
      * @return id
      */
     ImMessageDO saveGroupMessage(ImSendMessage message, Long fromUserId);
+
+    /**
+     * 拉取消息-大于 seq 的消息
+     *
+     * @param userId   用户id
+     * @param sequence 序列号
+     * @param size 数量
+     * @return 消息列表
+     */
+    List<ImMessageDO> loadMessage(Long userId, Long sequence, Integer size);
+
+    /**
+     * 拉取全部消息
+     *
+     * @param userId   登录用户编号
+     * @param size 数量
+     * @return 消息列表
+     */
+    List<ImMessageDO> loadAllMessage(Long userId, Integer size);
 }

yudao-module-im/yudao-module-im-biz/src/main/java/cn/iocoder/yudao/module/im/service/message/ImMessageServiceImpl.java

@@ -6,6 +6,7 @@ import cn.iocoder.yudao.module.im.controller.admin.message.vo.ImMessagePageReqVO
 import cn.iocoder.yudao.module.im.controller.admin.message.vo.ImMessageSaveReqVO;
 import cn.iocoder.yudao.module.im.dal.dataobject.message.ImMessageDO;
 import cn.iocoder.yudao.module.im.dal.mysql.message.ImMessageMapper;
+import cn.iocoder.yudao.module.im.enums.conversation.ImConversationTypeEnum;
 import cn.iocoder.yudao.module.im.enums.message.ImMessageStatusEnum;
 import cn.iocoder.yudao.module.im.websocket.message.ImSendMessage;
 import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
@@ -15,6 +16,8 @@ import org.dromara.hutool.core.date.TimeUtil;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
+import java.util.List;
+
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
 import static cn.iocoder.yudao.module.im.enums.ErrorCodeConstants.MESSAGE_NOT_EXISTS;
 
@@ -91,7 +94,12 @@ public class ImMessageServiceImpl implements ImMessageService {
         imMessageDO.setSenderAvatar(user.getAvatar());
         imMessageDO.setConversationType(message.getConversationType());
         imMessageDO.setContentType(message.getContentType());
-        imMessageDO.setConversationNo(fromUserId + "_" + message.getReceiverId());
+        //单聊：s_{userId}_{targetId} 群聊：群聊：g_{groupId}
+        if (message.getConversationType().equals(ImConversationTypeEnum.PRIVATE.getType())) {
+            imMessageDO.setConversationNo("s_" + fromUserId + "_" + message.getReceiverId());
+        } else if (message.getConversationType().equals(ImConversationTypeEnum.GROUP.getType())) {
+            imMessageDO.setConversationNo("g_" + message.getReceiverId());
+        }
         imMessageDO.setContent(message.getContent());
         //消息来源 100-用户发送；200-系统发送（一般是通知）；不能为空
         imMessageDO.setSendFrom(100);
@@ -117,4 +125,14 @@ public class ImMessageServiceImpl implements ImMessageService {
         return saveImMessageDO(message, fromUserId);
     }
 
+    @Override
+    public List<ImMessageDO> loadMessage(Long userId, Long sequence, Integer size) {
+        return imMessageMapper.getGreaterThanSequenceMessage(userId, sequence, size);
+    }
+
+    @Override
+    public List<ImMessageDO> loadAllMessage(Long userId, Integer size) {
+        return imMessageMapper.getAllMessage(userId, size);
+    }
+
 }