#

Junjie

4 天以前 0a7091b19b9dffecca0e09cd8d30a6b12afa7fab

 src/main/java/com/zy/ai/service/WcsDiagnosisService.java

@@ -35,7 +35,7 @@
    private AiPromptUtils aiPromptUtils;
    @Autowired
    private AiUtils aiUtils;
    @Autowired(required = false)
    @Autowired
    private SpringAiMcpToolManager mcpToolManager;

    public void diagnoseStream(WcsDiagnosisRequest request, SseEmitter emitter) {
@@ -49,44 +49,10 @@
        mcpUser.setRole("user");
        mcpUser.setContent(aiUtils.buildDiagnosisUserContentMcp(request));

        if (runMcpStreamingDiagnosis(messages, mcpSystem, mcpUser, 0.3, 2048, emitter, null)) {
            return;
        runMcpStreamingDiagnosis(messages, mcpSystem, mcpUser, 0.3, 2048, emitter, null);
        }

        messages = new ArrayList<>();
        ChatCompletionRequest.Message system = new ChatCompletionRequest.Message();
        system.setRole("system");
        system.setContent(aiPromptUtils.getAiDiagnosePrompt());
        messages.add(system);

        ChatCompletionRequest.Message user = new ChatCompletionRequest.Message();
        user.setRole("user");
        user.setContent(aiUtils.buildDiagnosisUserContent(request));
        messages.add(user);

        llmChatService.chatStream(messages, 0.3, 2048, s -> {
            try {
                String safe = s == null ? "" : s.replace("\r", "").replace("\n", "\\n");
                if (!safe.isEmpty()) {
                    emitter.send(SseEmitter.event().data(safe));
                }
            } catch (Exception ignore) {}
        }, () -> {
            try {
                log.info("AI diagnose stream stopped: normal end");
                emitter.complete();
            } catch (Exception ignore) {}
        }, e -> {
            try {
                try { emitter.send(SseEmitter.event().data("【AI】运行已停止（异常）")); } catch (Exception ignore) {}
                log.error("AI diagnose stream stopped: error", e);
                emitter.complete();
            } catch (Exception ignore) {}
        });
    }

    public void askStream(WcsDiagnosisRequest request,
                          String prompt,
    public void askStream(String prompt,
                          String chatId,
                          boolean reset,
                          SseEmitter emitter) {
@@ -114,11 +80,7 @@
            }
        }

        StringBuilder assistantBuffer = new StringBuilder();
        final String finalChatId = chatId;
        final String finalHistoryKey = historyKey;
        final String finalMetaKey = metaKey;
        final String finalPrompt = prompt;

        ChatCompletionRequest.Message mcpSystem = new ChatCompletionRequest.Message();
        mcpSystem.setRole("system");
@@ -128,60 +90,7 @@
        mcpUser.setRole("user");
        mcpUser.setContent("【用户提问】\n" + (prompt == null ? "" : prompt));

        if (runMcpStreamingDiagnosis(messages, mcpSystem, mcpUser, 0.3, 2048, emitter, finalChatId)) {
            return;
        }

        messages = new ArrayList<>();
        ChatCompletionRequest.Message system = new ChatCompletionRequest.Message();
        system.setRole("system");
        system.setContent(aiPromptUtils.getWcsSensorPrompt());
        messages.add(system);

        ChatCompletionRequest.Message questionMsg = new ChatCompletionRequest.Message();
        questionMsg.setRole("user");
        questionMsg.setContent("【用户提问】\n" + (prompt == null ? "" : prompt));
        messages.add(questionMsg);

        llmChatService.chatStream(messages, 0.3, 2048, s -> {
            try {
                String safe = s == null ? "" : s.replace("\r", "").replace("\n", "\\n");
                if (!safe.isEmpty()) {
                    emitter.send(SseEmitter.event().data(safe));
                    assistantBuffer.append(s);
                }
            } catch (Exception ignore) {}
        }, () -> {
            try {
                if (finalChatId != null && !finalChatId.isEmpty()) {
                    ChatCompletionRequest.Message q = new ChatCompletionRequest.Message();
                    q.setRole("user");
                    q.setContent(finalPrompt == null ? "" : finalPrompt);
                    ChatCompletionRequest.Message a = new ChatCompletionRequest.Message();
                    a.setRole("assistant");
                    a.setContent(assistantBuffer.toString());
                    redisUtil.lSet(finalHistoryKey, q);
                    redisUtil.lSet(finalHistoryKey, a);
                    redisUtil.expire(finalHistoryKey, CHAT_TTL_SECONDS);
                    Map<Object, Object> old = redisUtil.hmget(finalMetaKey);
                    Long createdAt = old != null && old.get("createdAt") != null ?
                            (old.get("createdAt") instanceof Number ? ((Number) old.get("createdAt")).longValue() : Long.valueOf(String.valueOf(old.get("createdAt"))))
                            : System.currentTimeMillis();
                    Map<String, Object> meta = new java.util.HashMap<>();
                    meta.put("chatId", finalChatId);
                    meta.put("title", buildTitleFromPrompt(finalPrompt));
                    meta.put("createdAt", createdAt);
                    meta.put("updatedAt", System.currentTimeMillis());
                    redisUtil.hmset(finalMetaKey, meta, CHAT_TTL_SECONDS);
                }
                emitter.complete();
            } catch (Exception ignore) {}
        }, e -> {
            try {
                try { emitter.send(SseEmitter.event().data("【AI】运行已停止（异常）")); } catch (Exception ignore) {}
                emitter.complete();
            } catch (Exception ignore) {}
        });
        runMcpStreamingDiagnosis(messages, mcpSystem, mcpUser, 0.3, 2048, emitter, finalChatId);
    }

    public List<Map<String, Object>> listChats() {
@@ -249,7 +158,7 @@
        return p.length() > 20 ? p.substring(0, 20) : p;
    }
 
    private boolean runMcpStreamingDiagnosis(List<ChatCompletionRequest.Message> baseMessages,
    private void runMcpStreamingDiagnosis(List<ChatCompletionRequest.Message> baseMessages,
                                             ChatCompletionRequest.Message systemPrompt,
                                             ChatCompletionRequest.Message userQuestion,
                                             Double temperature,
@@ -257,9 +166,13 @@
                                             SseEmitter emitter,
                                             String chatId) {
        try {
            if (mcpToolManager == null) return false;
            if (mcpToolManager == null) {
                throw new IllegalStateException("Spring AI MCP tool manager is unavailable");
            }
            List<Object> tools = mcpToolManager.buildOpenAiTools();
            if (tools.isEmpty()) return false;
            if (tools.isEmpty()) {
                throw new IllegalStateException("No MCP tools registered");
            }

            baseMessages.add(systemPrompt);
            baseMessages.add(userQuestion);
@@ -275,8 +188,7 @@
                sse(emitter, "\\n正在分析（第" + (i + 1) + "轮）...\\n");
                ChatCompletionResponse resp = llmChatService.chatCompletion(messages, temperature, maxTokens, tools);
                if (resp == null || resp.getChoices() == null || resp.getChoices().isEmpty() || resp.getChoices().get(0).getMessage() == null) {
                    sse(emitter, "\\n分析出错，正在回退...\\n");
                    return false;
                    throw new IllegalStateException("LLM returned empty response");
                }

                ChatCompletionRequest.Message assistant = resp.getChoices().get(0).getMessage();
@@ -366,16 +278,18 @@
                    }
                } catch (Exception ignore) {}
            }, e -> {
                sse(emitter, "\\n\\n【AI】分析出错，正在回退...\\n\\n");
                try {
                    sse(emitter, "\\n\\n【AI】分析出错，运行已停止（异常）\\n\\n");
                    log.error("AI MCP diagnose stopped: stream error", e);
                    emitter.complete();
                } catch (Exception ignore) {}
            });
            return true;
        } catch (Exception e) {
            try {
                sse(emitter, "\\n\\n【AI】运行已停止（异常）\\n\\n");
                log.error("AI MCP diagnose stopped: error", e);
                emitter.complete();
            } catch (Exception ignore) {}
            return true;
        }
    }