80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
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import uuid
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from datetime import datetime, timezone
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from typing import Optional
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import oss2
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from app.config import settings
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from app.utils.logger import logger
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class OSSStorage:
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def __init__(self):
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self.bucket = None
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self._init_bucket()
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def _init_bucket(self):
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if not settings.oss.access_key_id or not settings.oss.bucket_name:
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logger.warning("OSS配置不完整，将使用本地存储")
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return
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try:
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auth = oss2.Auth(settings.oss.access_key_id, settings.oss.access_key_secret)
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self.bucket = oss2.Bucket(auth, settings.oss.endpoint, settings.oss.bucket_name)
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logger.info(f"OSS连接成功: {settings.oss.bucket_name}")
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except Exception as e:
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logger.error(f"OSS连接失败: {e}")
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self.bucket = None
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def upload_image(self, image_data: bytes, filename: Optional[str] = None) -> str:
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if not self.bucket:
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return self._upload_local(image_data, filename)
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if filename is None:
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timestamp = datetime.now().strftime("%Y%m%d%H%M%S")
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unique_id = uuid.uuid4().hex[:8]
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ext = ".jpg"
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filename = f"alerts/{timestamp}_{unique_id}{ext}"
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try:
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self.bucket.put_object(filename, image_data)
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url = f"{settings.oss.url_prefix}/{filename}"
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logger.info(f"图片上传OSS成功: {url}")
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return url
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except Exception as e:
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logger.error(f"图片上传OSS失败: {e}")
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return self._upload_local(image_data, filename)
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def _upload_local(self, image_data: bytes, filename: Optional[str] = None) -> str:
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upload_dir = Path("uploads")
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upload_dir.mkdir(exist_ok=True)
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if filename is None:
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timestamp = datetime.now().strftime("%Y%m%d%H%M%S")
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unique_id = uuid.uuid4().hex[:8]
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filename = f"alerts/{timestamp}_{unique_id}.jpg"
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file_path = upload_dir / filename
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file_path.parent.mkdir(parents=True, exist_ok=True)
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with open(file_path, "wb") as f:
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f.write(image_data)
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local_url = f"/uploads/{filename}"
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logger.info(f"图片保存本地: {local_url}")
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return local_url
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def get_url(self, path: str) -> str:
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if path.startswith("http"):
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return path
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if self.bucket:
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return f"{settings.oss.url_prefix}/{path}"
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return f"/uploads/{path}" if not path.startswith("/") else path
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oss_storage = OSSStorage()
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def get_oss_storage() -> OSSStorage:
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return oss_storage
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