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|
# /// script
# dependencies = [
# "advanced_alchemy[obstore,uuid]",
# "aiosqlite",
# "fastapi[standard]",
# "orjson"
# "obstore"
# ]
# ///
from typing import Annotated, Any, Optional, Union
from uuid import UUID
import uvicorn
from fastapi import APIRouter, Depends, FastAPI, File, Form, UploadFile
from pydantic import BaseModel, Field, computed_field
from sqlalchemy.orm import Mapped, mapped_column
from advanced_alchemy.extensions.fastapi import (
AdvancedAlchemy,
AsyncSessionConfig,
SQLAlchemyAsyncConfig,
base,
filters,
repository,
service,
)
from advanced_alchemy.types import FileObject, storages
from advanced_alchemy.types.file_object.backends.obstore import ObstoreBackend
from advanced_alchemy.types.file_object.data_type import StoredObject
sqlalchemy_config = SQLAlchemyAsyncConfig(
connection_string="sqlite+aiosqlite:///test.sqlite",
session_config=AsyncSessionConfig(expire_on_commit=False),
commit_mode="autocommit",
create_all=True,
)
app = FastAPI()
alchemy = AdvancedAlchemy(config=sqlalchemy_config, app=app)
document_router = APIRouter()
s3_backend = ObstoreBackend(
key="local",
fs="s3://static-files/",
aws_endpoint="http://localhost:9000",
aws_access_key_id="minioadmin",
aws_secret_access_key="minioadmin", # noqa: S106
)
storages.register_backend(s3_backend)
class DocumentModel(base.UUIDBase):
# we can optionally provide the table name instead of auto-generating it
__tablename__ = "document"
name: Mapped[str]
file: Mapped[FileObject] = mapped_column(StoredObject(backend="local"))
class DocumentService(service.SQLAlchemyAsyncRepositoryService[DocumentModel]):
"""Author repository."""
class Repo(repository.SQLAlchemyAsyncRepository[DocumentModel]):
"""Author repository."""
model_type = DocumentModel
repository_type = Repo
# Pydantic Models
class Document(BaseModel):
id: Optional[UUID]
name: str
file: Optional[FileObject] = Field(default=None, exclude=True)
@computed_field
def file_url(self) -> Optional[Union[str, list[str]]]:
if self.file is None:
return None
return self.file.sign()
@document_router.get(path="/documents", response_model=service.OffsetPagination[Document])
async def list_documents(
documents_service: Annotated[
DocumentService, Depends(alchemy.provide_service(DocumentService, load=[DocumentModel.file]))
],
filters: Annotated[
list[filters.FilterTypes],
Depends(
alchemy.provide_filters(
{
"id_filter": UUID,
"pagination_type": "limit_offset",
"search": "name",
"search_ignore_case": True,
}
)
),
],
) -> service.OffsetPagination[Document]:
results, total = await documents_service.list_and_count(*filters)
return documents_service.to_schema(results, total, filters=filters, schema_type=Document)
@document_router.post(path="/documents")
async def create_document(
documents_service: Annotated[DocumentService, Depends(alchemy.provide_service(DocumentService))],
name: Annotated[str, Form()],
file: Annotated[Optional[UploadFile], File()] = None,
) -> Document:
obj = await documents_service.create(
DocumentModel(
name=name,
file=FileObject(
backend="local",
filename=file.filename or "uploaded_file",
content_type=file.content_type,
content=await file.read(),
)
if file
else None,
)
)
return documents_service.to_schema(obj, schema_type=Document)
@document_router.get(path="/documents/{document_id}")
async def get_document(
documents_service: Annotated[DocumentService, Depends(alchemy.provide_service(DocumentService))],
document_id: UUID,
) -> Document:
obj = await documents_service.get(document_id)
return documents_service.to_schema(obj, schema_type=Document)
@document_router.patch(path="/documents/{document_id}")
async def update_document(
documents_service: Annotated[DocumentService, Depends(alchemy.provide_service(DocumentService))],
document_id: UUID,
name: Annotated[Optional[str], Form()] = None,
file: Annotated[Optional[UploadFile], File()] = None,
) -> Document:
update_data: dict[str, Any] = {}
if name is not None:
update_data["name"] = name
if file is not None:
update_data["file"] = FileObject(
backend="local",
filename=file.filename or "uploaded_file",
content_type=file.content_type,
content=await file.read(),
)
obj = await documents_service.update(update_data, item_id=document_id)
return documents_service.to_schema(obj, schema_type=Document)
@document_router.delete(path="/documents/{document_id}")
async def delete_document(
documents_service: Annotated[DocumentService, Depends(alchemy.provide_service(DocumentService))],
document_id: UUID,
) -> None:
_ = await documents_service.delete(document_id)
app.include_router(document_router)
if __name__ == "__main__":
uvicorn.run(app, host="0.0.0.0", port=8000) # noqa: S104
|
