55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
"""匿名接口，统一放在 /api/public 下，一眼能看出哪些不鉴权"""
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from typing import Any
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from fastapi import APIRouter
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from fastapi.responses import FileResponse
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from app.api.screens import Service
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from app.common.response import ApiResponse, success_response
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from app.core.exceptions import BizException
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from app.schemas.saved_screen import PublicScreen
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from app.services.screens import public_page
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router = APIRouter(prefix="/public", tags=["Public"])
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@router.get("/screens/{share_id}")
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async def get_public_screen(
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share_id: str, service: Service
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) -> ApiResponse[PublicScreen]:
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"""线上版本：返回发布快照，不是草稿；已下线、已删除、不存在都是 404"""
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summary, snapshot = await service.get_live(share_id)
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return success_response(
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PublicScreen(
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name=summary.name,
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page=public_page(snapshot.page),
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version=snapshot.version,
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published_at=snapshot.published_at,
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)
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)
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@router.get("/screens/{share_id}/datasources/{datasource_id}")
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async def fetch_public_datasource(
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share_id: str, datasource_id: str, service: Service
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) -> ApiResponse[dict[str, Any] | list[Any]]:
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"""线上取数：地址取自已发布快照里的数据源配置，前端只传 ID"""
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return success_response(
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await service.fetch_live_datasource(share_id, datasource_id)
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)
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@router.get("/thumbnails/{thumbnail_id}")
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async def get_thumbnail(thumbnail_id: str, service: Service) -> FileResponse:
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opened = service.open_thumbnail(thumbnail_id)
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if opened is None:
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raise BizException(404, "封面不存在")
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path, media_type = opened
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# 每次上传都换新 ID，内容永远不变，可以放心长期缓存
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return FileResponse(
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path,
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media_type=media_type,
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headers={"Cache-Control": "public, max-age=31536000, immutable"},
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)
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