d0c26242db
- 后端：文本/转写后 AI 生成改为独立任务，避免断连取消整轮；按需 TTS 等与 WS 改动 - 前端：RealtimeSession 重绑 UI 时恢复流式 buffer；列表 onPressIn/挂载预热、已有会话立即 push - 同步会话相关类型、i18n、测试与 env/资源等累计改动 Co-authored-by: Cursor <cursoragent@cursor.com>
56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
"""
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对话 TTS 音频 URL 下发到客户端。
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与回忆录章节图片一致：私有桶下不能把「直链」当公开可读 URL 使用，应对 COS object key
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生成预签名下载地址后再交给 App（参见 `normalize_image_assets_for_api` 中的 `get_download_url`）。
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持久化（DB / Redis）仍保存 upload 返回的 canonical URL，仅在 API 响应与 WS 实时下发时做 presign。
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"""
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from __future__ import annotations
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from app.core.cos_url_keys import (
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TTS_PRESIGNED_EXPIRES_SEC,
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extract_cos_object_key_if_owned,
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)
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from app.core.logging import get_logger
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from app.ports.storage import ObjectStorage
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logger = get_logger(__name__)
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def apply_presigned_tts_urls_to_messages(
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messages: list[dict],
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storage: ObjectStorage | None,
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) -> None:
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"""就地改写助手消息的 `ttsAudioUrls` 为预签名 URL；无 storage 时不变。"""
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if not storage:
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return
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for m in messages:
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tts = m.get("ttsAudioUrls")
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if not isinstance(tts, list) or not tts:
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continue
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out: list[str] = []
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for x in tts:
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if not isinstance(x, str):
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out.append("")
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continue
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s = x.strip()
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if not s:
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out.append("")
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continue
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key = extract_cos_object_key_if_owned(s)
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if key:
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try:
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out.append(storage.get_url(key, expires=TTS_PRESIGNED_EXPIRES_SEC))
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except Exception as exc:
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logger.warning(
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"presign tts url failed, keeping original url: key={} err={}",
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key,
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exc,
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)
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out.append(s)
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else:
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out.append(s)
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m["ttsAudioUrls"] = out
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