chore(js): 新增ai、客服、安全事件、wxwork-jssdk.js

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2025-12-20 15:50:04 +08:00
parent 3cbe0263ea
commit 53a71d7afd
5 changed files with 1248 additions and 0 deletions

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common/js/ai-service.js Normal file
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import Config from './config.js'
import http from './http.js'
import store from '@/store/index.js'
let currentConversationId = null;
const CONVERSATION_KEY = 'ai_conversation_id';
// 初始化时从本地读取会话ID
try {
const saved = uni.getStorageSync(CONVERSATION_KEY);
if (saved) {
currentConversationId = saved;
}
} catch (e) {
console.warn('读取会话ID失败:', e);
}
export default {
/**
* 发送普通消息blocking 模式)
*/
async sendMessage(message, options = {}) {
try {
const aiConfig = store.getters.globalAIKefuConfig;
const params = {
url: '/api/kefu/chat',
data: {
user_id: store.state.memberInfo?.id || 'anonymous',
stream: false,
inputs: {},
query: message,
response_mode: 'blocking', // 强制 blocking
user: store.state.memberInfo?.id || 'anonymous',
conversation_id: this.getConversationId() || ''
},
header: {
'Content-Type': 'application/json'
}
};
console.log('Sending blocking request to:', params.url);
console.log('Request data:', params.data);
const response = await http.sendRequest({
...params,
async: false
});
const result = this.handleResponse(response);
if (result.conversationId) {
this.setConversationId(result.conversationId);
}
return result;
} catch (error) {
console.error('Dify API请求失败:', error);
throw new Error('AI服务暂时不可用请稍后重试');
}
},
/**
* 流式消息入口(自动适配平台)
*/
async sendStreamMessage(message, onChunk, onComplete) {
// #ifdef MP-WEIXIN
// 微信小程序:降级为普通请求 + 前端打字模拟
try {
const result = await this.sendMessage(message);
const content = result.content || '';
const conversationId = result.conversationId || '';
// 保存会话ID确保连续对话
if (conversationId) {
this.setConversationId(conversationId);
}
// 模拟打字效果
let index = 0;
const chunkSize = 2; // 每次显示2个字符
return new Promise((resolve) => {
const timer = setInterval(() => {
if (index < content.length) {
const chunk = content.substring(index, index + chunkSize);
index += chunkSize;
if (onChunk) onChunk(chunk);
} else {
clearInterval(timer);
if (onComplete) {
onComplete({
content: content,
conversation_id: conversationId
});
}
resolve({ content, conversation_id: conversationId });
}
}, 80); // 打字速度80ms/次
});
} catch (error) {
console.error('小程序流式消息降级失败:', error);
if (onComplete) {
onComplete({ error: error.message || '发送失败' });
}
throw error;
}
// #endif
// #ifdef H5
// H5使用真实流式EventSource / Fetch
return this.sendHttpStream(message, onChunk, onComplete);
// #endif
},
/**
* HTTP 流式请求(仅 H5 使用)
*/
async sendHttpStream(message, onChunk, onComplete) {
// #ifdef H5
try {
const url = Config.baseUrl + `/api/kefu/chat`;
const response = await fetch(url, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Accept': 'text/event-stream',
},
body: JSON.stringify({
uniacid: store.state.uniacid || '1',
inputs: {},
query: message,
response_mode: 'streaming',
user_id: store.state.memberInfo?.id || 'anonymous',
conversation_id: this.getConversationId() || ''
})
});
if (!response.ok) {
throw new Error(`HTTP ${response.status}`);
}
if (!response.body) {
throw new Error('响应体不可用');
}
const reader = response.body.getReader();
const decoder = new TextDecoder('utf-8');
let buffer = '';
let content = '';
let conversationId = '';
function processBuffer(buf, callback) {
const lines = buf.split('\n');
buf = lines.pop() || '';
for (const line of lines) {
const trimmed = line.trim();
if (trimmed.startsWith('data:')) {
const jsonStr = trimmed.slice(5).trim();
if (jsonStr) {
try {
const data = JSON.parse(jsonStr);
if (data.event === 'message') {
const text = data.answer || data.text || '';
content += text;
callback(text);
}
if (data.conversation_id) {
conversationId = data.conversation_id;
}
if (data.event === 'message_end') {
// 可选:提前完成
}
} catch (e) {
console.warn('解析流数据失败:', e);
}
}
}
}
return buf;
}
while (true) {
const { done, value } = await reader.read();
if (done) break;
buffer += decoder.decode(value, { stream: true });
buffer = processBuffer(buffer, (chunk) => {
if (onChunk) onChunk(chunk);
});
}
if (onComplete) {
onComplete({
content,
conversation_id: conversationId
});
}
return { content, conversation_id: conversationId };
} catch (error) {
console.error('H5 流式请求失败:', error);
throw error;
}
// #endif
// #ifdef MP-WEIXIN
// 理论上不会执行到这里,但防止 fallback
return this.sendStreamMessage(message, onChunk, onComplete);
// #endif
},
/**
* 处理API响应统一格式
*/
handleResponse(response) {
if (response.code === 0 || response.success) {
return {
success: true,
content: response.data?.answer || response.data?.content || response.data?.reply || response.data,
conversationId: response.data?.conversation_id,
messageId: response.data?.message_id
};
} else {
throw new Error(response.message || 'AI服务返回错误');
}
},
/**
* 获取当前会话ID
*/
getConversationId() {
return currentConversationId;
},
/**
* 设置并持久化会话ID
*/
setConversationId(id) {
if (id && id !== currentConversationId) {
currentConversationId = id;
try {
uni.setStorageSync(CONVERSATION_KEY, id);
} catch (e) {
console.error('保存会话ID失败:', e);
}
}
},
/**
* 清除会话ID
*/
clearConversationId() {
currentConversationId = null;
try {
uni.removeStorageSync(CONVERSATION_KEY);
} catch (e) {
console.error('清除会话ID失败:', e);
}
},
/**
* 生成新会话(如需)
*/
async generateConversationId() {
const params = {
url: '/api/kefu/createConversation',
data: {
uniacid: store.state.uniacid,
user_id: store.state.memberInfo?.id || 'anonymous',
member_id: store.state.memberInfo?.id || '',
},
header: {
'Content-Type': 'application/json'
}
};
const response = await http.sendRequest({
...params,
async: false
});
return this.handleResponse(response);
},
/**
* 获取服务状态
*/
async getServiceStatus() {
try {
const response = await http.sendRequest({
url: '/api/kefu/health',
async: false,
data: {}
});
const available = [response?.data?.status, response?.data?.components?.ai_service_config?.status]
.filter(item => item === 'healthy').length > 0;
return {
available,
reason: available ? '服务正常' : '服务异常'
};
} catch (error) {
return {
available: false,
reason: '服务检查失败'
};
}
},
/**
* 清除会话历史(调用后端接口)
*/
async clearConversation(conversationId) {
try {
const response = await http.sendRequest({
url: '/api/kefu/clear-conversation',
data: { conversation_id: conversationId },
async: false
});
return response.success;
} catch (error) {
console.error('清除会话失败:', error);
return false;
}
},
/**
* 获取会话历史
*/
async getConversationHistory(params = {}) {
try {
if (!params.conversation_id) {
throw new Error('会话IDconversation_id是必填参数');
}
const requestData = {
uniacid: params.uniacid || store.state.uniacid || '1',
conversation_id: params.conversation_id,
user_id: params.user_id || store.state.memberInfo?.id || 'anonymous',
limit: params.limit || 20,
offset: params.offset || 0,
member_id: params.member_id || store.state.memberInfo?.id || '',
token: params.token || ''
};
const response = await http.sendRequest({
url: '/api/kefu/getHistory',
data: requestData,
header: {
'Content-Type': 'application/json'
},
async: false
});
if (response.code === 0 || response.success) {
return {
success: true,
data: response.data,
messages: response.data?.messages || [],
total: response.data?.total || 0,
page_info: response.data?.page_info || { limit: 20, offset: 0 }
};
} else {
throw new Error(response.message || '获取会话历史失败');
}
} catch (error) {
console.error('获取会话历史失败:', error);
throw new Error(error.message || '获取会话历史时发生错误,请稍后重试');
}
},
// ================================
// 以下方法仅用于 H5小程序无效
// ================================
/**
* [H5 Only] EventSource 流式聊天(备用)
*/
chatWithEventSource(message, conversationId = '', onMessage, onComplete, onError) {
// #ifdef H5
if (window.currentEventSource) {
window.currentEventSource.close();
}
const params = new URLSearchParams({
uniacid: store.state.uniacid || '1',
user_id: store.state.memberInfo?.id || '123456',
query: message,
conversation_id: conversationId || '',
stream: 'true'
});
const url = `${Config.baseUrl}/api/kefu/chat?${params.toString()}`;
try {
const eventSource = new EventSource(url);
window.currentEventSource = eventSource;
let aiMessage = '';
eventSource.onmessage = (event) => {
try {
const data = JSON.parse(event.data);
if (data.event === 'message') {
aiMessage += data.answer || '';
if (onMessage) onMessage(data.answer || '');
}
if (data.event === 'message_end') {
if (onComplete) onComplete({
conversation_id: data.conversation_id,
message: aiMessage
});
}
} catch (error) {
console.error('解析消息失败:', error);
}
};
eventSource.onerror = (error) => {
console.error('EventSource错误:', error);
if (onError) onError({ error: '连接失败' });
window.currentEventSource = null;
};
return eventSource;
} catch (error) {
console.error('创建EventSource失败:', error);
if (onError) onError({ error: error.message });
return null;
}
// #endif
// #ifdef MP-WEIXIN
console.warn('chatWithEventSource 不支持微信小程序');
return null;
// #endif
},
/**
* [H5 Only] Fetch 流式聊天(备用)
*/
async chatWithFetchStream(message, conversationId = '', onMessage, onComplete, onError) {
// #ifdef H5
// 实际逻辑已在 sendHttpStream 中实现,此处可复用或留空
return this.sendHttpStream(message, onMessage, (res) => {
onComplete?.({ message: res.content, conversation_id: res.conversation_id });
});
// #endif
// #ifdef MP-WEIXIN
console.warn('chatWithFetchStream 不支持微信小程序');
return null;
// #endif
}
};