From a9c6b03c67512b9e1e89d8f86a020949e70e2398 Mon Sep 17 00:00:00 2001
From: yuzhiran <contact@yuzhiran.com>
Date: Sat, 4 Jul 2026 13:13:32 +0800
Subject: [PATCH] fix: ASR audio format conversion + share.vue deduplicate
 share creation

- TTS /tts/asr: convert non-WAV (AAC/MP3) to WAV before whisper transcription
- share.vue: only create share record if no cached shareCode exists
  (prevents duplicate share records on every page load)
---
 backend/src/modules/tts/tts.controller.ts | 21 ++++++++++++++---
 zhiyin-app/src/pages/share/share.vue      | 28 ++++++++++++-----------
 2 files changed, 33 insertions(+), 16 deletions(-)

diff --git a/backend/src/modules/tts/tts.controller.ts b/backend/src/modules/tts/tts.controller.ts
index f0374e7..5834de2 100644
--- a/backend/src/modules/tts/tts.controller.ts
+++ b/backend/src/modules/tts/tts.controller.ts
@@ -46,13 +46,27 @@ export class TtsController {
     const ext = file.originalname ? path.extname(file.originalname) || '.aac' : '.aac'
     const dest = path.join(uploadDir, file.filename + ext)
     fs.renameSync(file.path, dest)
+
+    let wavPath = dest
+    if (ext.toLowerCase() !== '.wav') {
+      const potentialWav = dest.replace(/\.[^.]+$/, '.wav')
+      try {
+        execSync(`ffmpeg -y -i "${dest}" -ar 16000 -ac 1 -c:a pcm_s16le "${potentialWav}"`, {
+          timeout: 30000, encoding: 'utf8', stdio: 'pipe',
+        })
+        wavPath = potentialWav
+      } catch (e: any) {
+        this.logger.warn(`FFmpeg conversion failed: ${e.message}, using original format`)
+      }
+    }
+
     try {
       if (process.env.OPENAI_API_KEY) {
         const result = execSync(
           `curl -s -X POST https://api.openai.com/v1/audio/transcriptions \
             -H "Authorization: Bearer ${process.env.OPENAI_API_KEY}" \
             -H "Content-Type: multipart/form-data" \
-            -F "file=@${dest}" \
+            -F "file=@${wavPath}" \
             -F "model=whisper-1" \
             -F "language=zh"`,
           { encoding: 'utf8', timeout: 30000 },
@@ -60,7 +74,7 @@ export class TtsController {
         const parsed = JSON.parse(result)
         if (parsed.text) return { text: parsed.text.trim() }
       }
-      const whisperResult = execSync(`python3 -c 'import sys, whisper; model = whisper.load_model("tiny"); print(model.transcribe(sys.argv[1], language="zh")["text"].strip())' "${dest}"`, { encoding: 'utf8', timeout: 60000 })
+      const whisperResult = execSync(`python3 -c 'import sys, whisper; model = whisper.load_model("tiny"); print(model.transcribe(sys.argv[1], language="zh")["text"].strip())' "${wavPath}"`, { encoding: 'utf8', timeout: 60000 })
       if (whisperResult && whisperResult.trim()) {
         return { text: whisperResult.trim() }
       }
@@ -68,7 +82,8 @@ export class TtsController {
       this.logger.error(`ASR failed: ${e?.message || e}`)
     }
     // 清理临时文件
-    try { fs.unlinkSync(dest) } catch {}
+    try { if (dest) fs.unlinkSync(dest) } catch {}
+    try { if (wavPath && wavPath !== dest) fs.unlinkSync(wavPath) } catch {}
     return { text: '' }
   }
 }
diff --git a/zhiyin-app/src/pages/share/share.vue b/zhiyin-app/src/pages/share/share.vue
index 704998a..3a03d14 100644
--- a/zhiyin-app/src/pages/share/share.vue
+++ b/zhiyin-app/src/pages/share/share.vue
@@ -178,20 +178,22 @@ async function loadData() {
   if (!token) { uni.showToast({ title: '请先登录', icon: 'none' }); return }
   const header = { Authorization: `Bearer ${token}` }
 
-  // 先创建分享链接，缓存下来供复制使用
-  try {
-    const res = await uni.request({
-      url: api('/share/create'), method: 'POST',
-      data: { type: 'app', title: '我在AI磁场·职引练习面试', description: 'AI模拟面试+简历优化，快来一起提升吧' },
-      header,
-    })
-    if (res.statusCode >= 200 && res.statusCode < 300) {
-      const data = res.data?.data || res.data
-      if (data.shareCode) {
-        shareUrlCached.value = `https://zhiyinwx.yzrcloud.cn/api/share/${data.shareCode}`
+  // 仅在无缓存分享链接时创建新分享记录
+  if (!shareUrlCached.value) {
+    try {
+      const res = await uni.request({
+        url: api('/share/create'), method: 'POST',
+        data: { type: 'app', title: '我在AI磁场·职引练习面试', description: 'AI模拟面试+简历优化，快来一起提升吧' },
+        header,
+      })
+      if (res.statusCode >= 200 && res.statusCode < 300) {
+        const data = res.data?.data || res.data
+        if (data.shareCode) {
+          shareUrlCached.value = `https://zhiyinwx.yzrcloud.cn/api/share/${data.shareCode}`
+        }
       }
-    }
-  } catch (e) { /* create share is best-effort */ }
+    } catch (e) { /* create share is best-effort */ }
+  }
 
   try {
     const [statsRes, recordsRes, visitorsRes] = await Promise.all([