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        <h1><a href="../index.html">All files</a> / <a href="index.html">services</a> ai-call-logger.ts</h1>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js"><span class="cstat-no" title="statement not covered" >/**<span class="fstat-no" title="function not covered" ><span class="branch-0 cbranch-no" title="branch not covered" ></span></span></span>
 * AI 调用日志 —— 记录每次大模型 / TTS API 请求，方便对账
 *
 * 写入策略：fire-and-forget，不阻塞业务请求
 */
&nbsp;
import { prisma } from '../models';
&nbsp;
export interface LogCallParams {
  callType: string;    // tts_create | tts_poll | tts_download | llm_chat | llm_tools
  provider: string;    // minimax | bailian | volcengine
  model: string;       // speech-2.8-hd | qwen3-tts-instruct-flash | MiniMax-M2.7
  textLen?: number;
  prompt?: string;     // 提示词内容
  tokenCount?: number;
  duration?: number;
  success?: boolean;
  errorMsg?: string;
  bookId?: number;
  chapterId?: number;
}
&nbsp;
/**
 * 记录一次 AI 调用（异步写入，不阻塞）
 */
<span class="cstat-no" title="statement not covered" >export function logAiCall(params: LogCallParams): void {</span>
  // Always log to console so we know it was called
<span class="cstat-no" title="statement not covered" >  console.log(`[AiCallLog] ${params.callType} | ${params.provider} | ${params.model} | ${params.success ? 'OK' : 'FAIL'} | ${params.textLen || 0}字`);</span>
  
<span class="cstat-no" title="statement not covered" >  prisma.aiCallLog.create({</span>
<span class="cstat-no" title="statement not covered" >    data: {</span>
<span class="cstat-no" title="statement not covered" >      callType: params.callType,</span>
<span class="cstat-no" title="statement not covered" >      provider: params.provider,</span>
<span class="cstat-no" title="statement not covered" >      model: params.model,</span>
<span class="cstat-no" title="statement not covered" >      textLen: params.textLen ?? 0,</span>
<span class="cstat-no" title="statement not covered" >      prompt: params.prompt ?? null,</span>
<span class="cstat-no" title="statement not covered" >      duration: params.duration ?? 0,</span>
<span class="cstat-no" title="statement not covered" >      success: params.success ?? true,</span>
<span class="cstat-no" title="statement not covered" >      errorMsg: params.errorMsg?.substring(0, 200) ?? null,</span>
<span class="cstat-no" title="statement not covered" >      bookId: params.bookId ?? null,</span>
<span class="cstat-no" title="statement not covered" >      chapterId: params.chapterId ?? null,</span>
<span class="cstat-no" title="statement not covered" >    },</span>
<span class="cstat-no" title="statement not covered" >  }).then(result =&gt; {</span>
    // Successfully written
<span class="cstat-no" title="statement not covered" >  }).catch(err =&gt; {</span>
<span class="cstat-no" title="statement not covered" >    console.error('[AiCallLog] ❌ 写入数据库失败:', err.message);</span>
<span class="cstat-no" title="statement not covered" >  });</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
/**
 * 包装异步函数，自动计时 + 记录日志
 *
 * 用法：
 *   const result = await withAiLog(
 *     () =&gt; axios.post(url, body),
 *     { callType: 'tts_create', provider: 'minimax', model: 'speech-2.8-hd', textLen: 1000 }
 *   );
 */
<span class="cstat-no" title="statement not covered" >export async function withAiLog&lt;T&gt;(</span>
<span class="cstat-no" title="statement not covered" >  fn: () =&gt; Promise&lt;T&gt;,</span>
<span class="cstat-no" title="statement not covered" >  params: LogCallParams,</span>
<span class="cstat-no" title="statement not covered" >): Promise&lt;T&gt; {</span>
<span class="cstat-no" title="statement not covered" >  const t0 = Date.now();</span>
<span class="cstat-no" title="statement not covered" >  try {</span>
<span class="cstat-no" title="statement not covered" >    const result = await fn();</span>
<span class="cstat-no" title="statement not covered" >    logAiCall({ ...params, duration: Date.now() - t0 });</span>
<span class="cstat-no" title="statement not covered" >    return result;</span>
<span class="cstat-no" title="statement not covered" >  } catch (err: any) {</span>
<span class="cstat-no" title="statement not covered" >    logAiCall({ ...params, duration: Date.now() - t0, success: false, errorMsg: err.message });</span>
<span class="cstat-no" title="statement not covered" >    throw err;</span>
<span class="cstat-no" title="statement not covered" >  }</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;</pre></td></tr></table></pre>

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