功能:新手引导视频 + 美团券首页分页索引 (#167)
Co-authored-by: guke <guke@wonderable.ai> Co-authored-by: 左辰勇 <exinglang@gmail.com> Reviewed-on: #167 Co-authored-by: zuochenyong <zuochenyong@wonderable.ai> Co-committed-by: zuochenyong <zuochenyong@wonderable.ai>
This commit was merged in pull request #167.
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@@ -384,6 +384,9 @@ class Settings(BaseSettings):
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MEDIA_ROOT: str = "./data/media"
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MEDIA_URL_PREFIX: str = "/media"
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AVATAR_MAX_BYTES: int = 5 * 1024 * 1024 # 头像最大 5MB
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# 运营后台上传的新手引导视频上限。视频比图片大一个量级,单独一档;
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# ⚠️ 改大时同步放宽网关 client_max_body_size(实测 QA 4MiB / prod 32MiB),否则 nginx 先挡下。
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GUIDE_VIDEO_MAX_BYTES: int = 100 * 1024 * 1024 # 引导视频最大 100MB
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# ===== 邀请好友 =====
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# 分享落地页(二维码 / 分享链接指向这里;扫码 → 落地页 → 引导浏览器下载 APK)。
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@@ -77,6 +77,35 @@ def save_feedback_qr(data: bytes) -> str:
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return _save_named("feedback_qr", "qr", data)
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def _sniff_video_ext(data: bytes) -> str | None:
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"""按魔数判定视频类型,返回扩展名;非支持类型返回 None。
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只认 MP4 家族(ISO BMFF):`....ftyp` 在偏移 4。Android ExoPlayer 与浏览器 <video>
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都稳吃 H.264/AAC 的 mp4;放开 mkv/avi 只会让端上放不出来,不如在入口就挡掉。
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"""
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if len(data) >= 12 and data[4:8] == b"ftyp":
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return ".mp4"
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return None
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def save_guide_video(data: bytes) -> str:
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"""保存新手引导视频(运营后台上传的运营素材),返回相对 URL(`/media/guide_video/<file>`)。
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与图片分开一套校验:体积上限走 [settings.GUIDE_VIDEO_MAX_BYTES],类型只认 MP4。
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"""
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if not data:
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raise MediaError("空文件")
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limit = settings.GUIDE_VIDEO_MAX_BYTES
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if len(data) > limit:
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raise MediaError(f"视频过大(上限 {limit // (1024 * 1024)}MB)")
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if _sniff_video_ext(data) is None:
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raise MediaError("仅支持 MP4 视频(H.264 编码)")
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fname = f"guide_{secrets.token_hex(8)}.mp4"
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(_media_dir("guide_video") / fname).write_bytes(data)
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return f"{settings.MEDIA_URL_PREFIX}/guide_video/{fname}"
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def save_cps_image(admin_id: int, data: bytes) -> str:
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"""保存 CPS 活动落地页图,返回相对 URL(`/media/cps/<file>`)。admin_id 入文件名便于追溯。"""
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return _save_image("cps", admin_id, data)
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@@ -116,3 +145,8 @@ def delete_avatar(url: str | None) -> None:
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def delete_feedback_qr(url: str | None) -> None:
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"""删除本服务托管的旧反馈页二维码文件;外部 URL 或空值不处理。"""
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_delete_managed("feedback_qr", url)
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def delete_guide_video(url: str | None) -> None:
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"""删除本服务托管的旧新手引导视频文件;外部 URL 或空值不处理。"""
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_delete_managed("guide_video", url)
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