chore: initialize qiming workspace repository

qiming-mobile/utils/chatService.uts

@@ -0,0 +1,145 @@
+import { ChatMessage, StreamChunk } from '@/types/interfaces/chat'
+import { StreamRequest } from '@/utils/streamRequest'
+import { CHAT_API, API_HEADERS } from '@/constants/api.constants'
+import { ACCESS_TOKEN } from '@/constants/home.constants'
+
+// 聊天服务类
+export class ChatService {
+  private currentRequest: any = null
+  private isStreaming: boolean = false
+
+  // 发送消息并获取流式响应
+  async sendMessage(
+    data: any,
+    onChunk: (chunk: string) => void,
+    onComplete: () => void,
+    onError: (error: any) => void,
+    // 是否是临时会话
+    isTempChat?: boolean = false,
+    // 超时回调（微信小程序专用，60秒内无数据流动时触发）
+    onTimeout?: () => void
+  ): Promise<void> {
+    // if (this.isStreaming) {
+    //   onError(new Error('已有请求正在进行中'))
+    //   return
+    // }
+
+    this.isStreaming = true
+
+    try {
+      // 使用配置的API端点
+      const apiUrl = isTempChat ? CHAT_API.TEMP_STREAM : CHAT_API.STREAM
+
+      const token = uni.getStorageSync(ACCESS_TOKEN)
+      this.currentRequest = new StreamRequest()
+
+      const header = {
+        ...API_HEADERS,
+      }
+
+      // #ifdef H5 || WEB
+      if(process.env.NODE_ENV === 'development'){
+        header['Authorization'] = `Bearer ${token}`
+      }
+      // #endif
+
+      // #ifdef MP-WEIXIN
+      header['Authorization'] = `Bearer ${token}`
+      // #endif
+
+      await this.currentRequest.request({
+        url: apiUrl,
+        method: 'POST',
+        headers: header,
+        body: {
+          ...data,
+          // conversationId: 1442734, //TODO 调试 先写死 后面一定删除
+          stream: true
+        },
+        onChunk: (chunk: StreamChunk) => {
+          if (chunk.type === 'content') {
+            onChunk(chunk.data)
+          }
+        },
+        onError: (error: any) => {
+          this.isStreaming = false
+          onError(error)
+        },
+        onComplete: () => {
+          this.isStreaming = false
+          onComplete()
+        },
+        onTimeout: () => {
+          this.isStreaming = false
+          if (onTimeout) {
+            onTimeout()
+          }
+        }
+      })
+    } catch (error) {
+      this.isStreaming = false
+      onError(error)
+    }
+  }
+
+  // 中止当前请求
+  abort(): void {
+    if (this.currentRequest) {
+      this.currentRequest.abort()
+      this.currentRequest = null
+    }
+    this.isStreaming = false
+  }
+
+  // 创建用户消息
+  createUserMessage(content: string): ChatMessage {
+    return {
+      id: this.generateId(),
+      role: 'user',
+      content: content,
+      timestamp: Date.now(),
+      status: 'sent'
+    }
+  }
+
+  // 创建AI消息
+  createAIMessage(content: string = ''): ChatMessage {
+    return {
+      id: this.generateId(),
+      role: 'assistant',
+      content: content,
+      timestamp: Date.now(),
+      status: 'processing'
+    }
+  }
+
+  // 更新AI消息内容
+  updateAIMessage(message: ChatMessage, content: string): void {
+    message.content = content
+  }
+
+  // 完成AI消息
+  completeAIMessage(message: ChatMessage): void {
+    message.status = 'sent'
+    message.rendered = true
+  }
+
+  // 设置消息错误
+  setMessageError(message: ChatMessage, error: string): void {
+    message.status = 'error'
+    message.error = error
+  }
+
+  // 生成唯一ID
+  private generateId(): string {
+    return 'msg_' + Date.now().toString(36) + Math.random().toString(36).substr(2)
+  }
+
+  // 检查是否正在流式传输
+  get isCurrentlyStreaming(): boolean {
+    return this.isStreaming
+  }
+}
+
+// 创建聊天服务实例
+export const chatService = new ChatService()