refactor(MCA): integrate MessageRouterService into MessageProcessService [TASK-022] [AC-MCA-08]

src/main/java/com/wecom/robot/service/MessageProcessService.java

@@ -1,6 +1,7 @@
 package com.wecom.robot.service;
 
 import com.alibaba.fastjson.JSON;
+import com.wecom.robot.dto.InboundMessage;
 import com.wecom.robot.dto.ServiceStateResponse;
 import com.wecom.robot.dto.SyncMsgResponse;
 import com.wecom.robot.dto.WxCallbackMessage;
@@ -11,25 +12,35 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Service;
 
-import java.util.List;
+/**
-
+ * 消息处理服务 - 微信渠道消息处理入口
+ * 
+ * <p>职责：
+ * <ul>
+ *   <li>处理微信回调事件（消息同步、会话事件等）</li>
+ *   <li>构建 InboundMessage 并委托给 MessageRouterService</li>
+ * </ul>
+ * 
+ * <p>关联 AC: [AC-MCA-08] 统一消息路由
+ * 
+ * @see MessageRouterService
+ * @see InboundMessage
+ */
 @Slf4j
 @Service
 @RequiredArgsConstructor
 public class MessageProcessService {
 
     private final SessionManagerService sessionManagerService;
-    private final AiService aiService;
-    private final TransferService transferService;
     private final WecomApiService wecomApiService;
-    private final WebSocketService webSocketService;
+    private final MessageRouterService messageRouterService;
 
     @Async
     public void processKfMessageEvent(WxCallbackMessage event) {
         String openKfId = event.getOpenKfId();
         String token = event.getToken();
 
-        log.info("处理客户消息事件: openKfId={}, token={}", openKfId, token);
+        log.info("[AC-MCA-08] 处理客户消息事件: openKfId={}, token={}", openKfId, token);
 
         if (openKfId == null) {
             log.warn("事件缺少openKfId");
@@ -81,7 +92,7 @@ public class MessageProcessService {
         String customerId = msgItem.getExternalUserId();
         String kfId = msgItem.getOpenKfId();
 
-        log.info("处理消息项: msgId={}, origin={}, msgType={}, customerId={}", 
+        log.info("[AC-MCA-08] 处理消息项: msgId={}, origin={}, msgType={}, customerId={}", 
                 msgItem.getMsgId(), msgItem.getOrigin(), msgItem.getMsgType(), customerId);
 
         if (msgItem.isEvent()) {
@@ -99,21 +110,6 @@ public class MessageProcessService {
             return;
         }
 
-        String content = extractContent(msgItem);
-        String msgType = msgItem.getMsgType();
-
-        Session session = sessionManagerService.getOrCreateSession(customerId, kfId);
-
-        sessionManagerService.saveMessage(
-                msgItem.getMsgId(),
-                session.getSessionId(),
-                Message.SENDER_TYPE_CUSTOMER,
-                customerId,
-                content,
-                msgType,
-                msgItem.getOriginData()
-        );
-
         ServiceStateResponse wxState = wecomApiService.getServiceState(kfId, customerId);
         if (!wxState.isSuccess()) {
             log.warn("获取微信会话状态失败: errcode={}, errmsg={}", 
@@ -121,9 +117,13 @@ public class MessageProcessService {
         }
         
         log.info("微信会话状态: {} ({})", wxState.getStateDesc(), wxState.getServiceState());
+
+        Session session = sessionManagerService.getOrCreateSession(customerId, kfId);
         sessionManagerService.updateWxServiceState(session.getSessionId(), wxState.getServiceState());
 
-        processByWxState(session, customerId, kfId, content, msgType, wxState);
+        InboundMessage inboundMessage = buildInboundMessage(msgItem, customerId, kfId);
+
+        messageRouterService.processInboundMessage(inboundMessage);
     }
 
     private void processEventMessage(SyncMsgResponse.MsgItem msgItem) {
@@ -186,7 +186,6 @@ public class MessageProcessService {
         Integer changeType = event.getChangeType();
         String newServicerUserid = event.getNewServicerUserid();
         String oldServicerUserid = event.getOldServicerUserid();
-        String msgCode = event.getMsgCode();
 
         log.info("会话状态变更: changeType={}, oldServicer={}, newServicer={}", 
                 changeType, oldServicerUserid, newServicerUserid);
@@ -215,97 +214,23 @@ public class MessageProcessService {
         }
     }
 
-    private void processByWxState(Session session, String customerId, String kfId,
+    private InboundMessage buildInboundMessage(SyncMsgResponse.MsgItem msgItem, 
-                                   String content, String msgType, ServiceStateResponse wxState) {
+                                                String customerId, String kfId) {
-        Integer state = wxState.getServiceState();
+        String content = extractContent(msgItem);
+        String sessionKey = kfId + "_" + customerId;
 
-        if (state == null) {
+        return InboundMessage.builder()
-            state = ServiceStateResponse.STATE_UNTREATED;
+                .channelType(InboundMessage.CHANNEL_WECHAT)
-        }
+                .channelMessageId(msgItem.getMsgId())
-
+                .sessionKey(sessionKey)
-        switch (state) {
+                .customerId(customerId)
-            case ServiceStateResponse.STATE_UNTREATED:
+                .kfId(kfId)
-            case ServiceStateResponse.STATE_AI:
+                .sender(customerId)
-                processAiMessage(session, customerId, kfId, content);
+                .content(content)
-                break;
+                .msgType(msgItem.getMsgType())
-            case ServiceStateResponse.STATE_POOL:
+                .rawPayload(msgItem.getOriginData())
-                notifyPendingSession(session, customerId, kfId, content, msgType);
+                .timestamp(System.currentTimeMillis())
-                break;
+                .build();
-            case ServiceStateResponse.STATE_MANUAL:
-                pushToManualCs(session, customerId, kfId, content, msgType, wxState.getServicerUserid());
-                break;
-            case ServiceStateResponse.STATE_CLOSED:
-                Session newSession = sessionManagerService.getOrCreateSession(customerId, kfId);
-                processAiMessage(newSession, customerId, kfId, content);
-                break;
-            default:
-                log.warn("未知的微信会话状态: {}", state);
-                processAiMessage(session, customerId, kfId, content);
-        }
-    }
-
-    private void processAiMessage(Session session, String customerId, String kfId, String content) {
-        List<Message> history = sessionManagerService.getSessionMessages(session.getSessionId());
-        String reply = aiService.generateReply(content, history);
-
-        double confidence = aiService.getLastConfidence();
-        int messageCount = sessionManagerService.getMessageCount(session.getSessionId());
-
-        boolean shouldTransfer = transferService.shouldTransferToManual(
-                content,
-                confidence,
-                messageCount,
-                session.getCreatedAt()
-        );
-
-        if (shouldTransfer) {
-            String reason = transferService.getTransferReason(content, confidence, messageCount);
-            sessionManagerService.transferToManual(session.getSessionId(), reason);
-
-            reply = reply + "\n\n正在为您转接人工客服，请稍候...";
-            wecomApiService.sendTextMessage(customerId, kfId, reply);
-
-            boolean transferred = wecomApiService.transferToPool(kfId, customerId);
-            if (transferred) {
-                log.info("已将会话转入待接入池: customerId={}, kfId={}", customerId, kfId);
-                sessionManagerService.updateWxServiceState(session.getSessionId(), ServiceStateResponse.STATE_POOL);
-            }
-
-            webSocketService.notifyNewPendingSession(session.getSessionId());
-        } else {
-            wecomApiService.sendTextMessage(customerId, kfId, reply);
-
-            sessionManagerService.saveMessage(
-                    "ai_" + System.currentTimeMillis(),
-                    session.getSessionId(),
-                    Message.SENDER_TYPE_AI,
-                    "AI",
-                    reply,
-                    "text",
-                    null
-            );
-        }
-    }
-
-    private void notifyPendingSession(Session session, String customerId, String kfId,
-                                       String content, String msgType) {
-        WxCallbackMessage notifyMsg = new WxCallbackMessage();
-        notifyMsg.setExternalUserId(customerId);
-        notifyMsg.setOpenKfId(kfId);
-        notifyMsg.setContent(content);
-        notifyMsg.setMsgType(msgType);
-        webSocketService.notifyNewMessage(session.getSessionId(), notifyMsg);
-    }
-
-    private void pushToManualCs(Session session, String customerId, String kfId,
-                                 String content, String msgType, String servicerUserid) {
-        WxCallbackMessage pushMsg = new WxCallbackMessage();
-        pushMsg.setExternalUserId(customerId);
-        pushMsg.setOpenKfId(kfId);
-        pushMsg.setContent(content);
-        pushMsg.setMsgType(msgType);
-        pushMsg.setServicerUserid(servicerUserid);
-        webSocketService.pushMessageToCs(session.getSessionId(), pushMsg);
     }
 
     private String extractContent(SyncMsgResponse.MsgItem msgItem) {
@@ -347,7 +272,7 @@ public class MessageProcessService {
 
     @Async
     public void processMessage(WxCallbackMessage message) {
-        log.info("直接处理消息(测试用): msgType={}", message.getMsgType());
+        log.info("[AC-MCA-08] 直接处理消息(测试用): msgType={}", message.getMsgType());
 
         String customerId = message.getExternalUserId();
         String kfId = message.getOpenKfId();
@@ -357,37 +282,21 @@ public class MessageProcessService {
             return;
         }
 
-        Session session = sessionManagerService.getOrCreateSession(customerId, kfId);
+        String sessionKey = kfId + "_" + customerId;
-        String status = sessionManagerService.getSessionStatus(session.getSessionId());
 
-        sessionManagerService.saveMessage(
+        InboundMessage inboundMessage = InboundMessage.builder()
-                message.getMsgId() != null ? message.getMsgId() : "test_" + System.currentTimeMillis(),
+                .channelType(InboundMessage.CHANNEL_WECHAT)
-                session.getSessionId(),
+                .channelMessageId(message.getMsgId() != null ? message.getMsgId() : "test_" + System.currentTimeMillis())
-                Message.SENDER_TYPE_CUSTOMER,
+                .sessionKey(sessionKey)
-                customerId,
+                .customerId(customerId)
-                message.getContent(),
+                .kfId(kfId)
-                message.getMsgType() != null ? message.getMsgType() : "text",
+                .sender(customerId)
-                JSON.toJSONString(message.getRawData())
+                .content(message.getContent())
-        );
+                .msgType(message.getMsgType() != null ? message.getMsgType() : "text")
+                .rawPayload(JSON.toJSONString(message.getRawData()))
+                .timestamp(System.currentTimeMillis())
+                .build();
 
-        List<Message> history = sessionManagerService.getSessionMessages(session.getSessionId());
+        messageRouterService.processInboundMessage(inboundMessage);
-
-        switch (status) {
-            case Session.STATUS_AI:
-                processAiMessage(session, customerId, kfId, message.getContent());
-                break;
-            case Session.STATUS_PENDING:
-                notifyPendingSession(session, customerId, kfId, message.getContent(), message.getMsgType());
-                break;
-            case Session.STATUS_MANUAL:
-                pushToManualCs(session, customerId, kfId, message.getContent(), message.getMsgType(), null);
-                break;
-            case Session.STATUS_CLOSED:
-                Session newSession = sessionManagerService.getOrCreateSession(customerId, kfId);
-                processAiMessage(newSession, customerId, kfId, message.getContent());
-                break;
-            default:
-                log.warn("未知的会话状态: {}", status);
-        }
     }
 }