Files
romm/backend/endpoints/collections.py
2024-12-20 22:41:56 -05:00

254 lines
8.2 KiB
Python

import json
from io import BytesIO
from shutil import rmtree
from anyio import Path
from config import RESOURCES_BASE_PATH
from decorators.auth import protected_route
from endpoints.responses import MessageResponse
from endpoints.responses.collection import CollectionSchema
from exceptions.endpoint_exceptions import (
CollectionAlreadyExistsException,
CollectionNotFoundInDatabaseException,
CollectionPermissionError,
)
from fastapi import Request, UploadFile
from handler.auth.base_handler import Scope
from handler.database import db_collection_handler
from handler.filesystem import fs_resource_handler
from handler.filesystem.base_handler import CoverSize
from logger.logger import log
from models.collection import Collection
from PIL import Image
from sqlalchemy.inspection import inspect
from utils.router import APIRouter
router = APIRouter()
@protected_route(router.post, "/collections", [Scope.COLLECTIONS_WRITE])
async def add_collection(
request: Request,
artwork: UploadFile | None = None,
) -> CollectionSchema:
"""Create collection endpoint
Args:
request (Request): Fastapi Request object
Returns:
CollectionSchema: Just created collection
"""
data = await request.form()
cleaned_data = {
"name": data.get("name", ""),
"description": data.get("description", ""),
"url_cover": data.get("url_cover", ""),
"is_public": data.get("is_public", False),
"user_id": request.user.id,
}
db_collection = db_collection_handler.get_collection_by_name(
cleaned_data["name"], request.user.id
)
if db_collection:
raise CollectionAlreadyExistsException(cleaned_data["name"])
_added_collection = db_collection_handler.add_collection(Collection(**cleaned_data))
if artwork is not None and artwork.filename is not None:
file_ext = artwork.filename.split(".")[-1]
(
path_cover_l,
path_cover_s,
artwork_path,
) = await fs_resource_handler.build_artwork_path(_added_collection, file_ext)
artwork_content = BytesIO(await artwork.read())
file_location_small = Path(f"{artwork_path}/small.{file_ext}")
file_location_large = Path(f"{artwork_path}/big.{file_ext}")
with Image.open(artwork_content) as img:
img.save(file_location_large)
fs_resource_handler.resize_cover_to_small(
img, save_path=file_location_small
)
else:
path_cover_s, path_cover_l = await fs_resource_handler.get_cover(
overwrite=True,
entity=_added_collection,
url_cover=_added_collection.url_cover,
)
_added_collection.path_cover_s = path_cover_s
_added_collection.path_cover_l = path_cover_l
# Update the collection with the cover path and update database
created_collection = db_collection_handler.update_collection(
_added_collection.id,
{
c: getattr(_added_collection, c)
for c in inspect(_added_collection).mapper.column_attrs.keys()
},
)
return CollectionSchema.model_validate(created_collection)
@protected_route(router.get, "/collections", [Scope.COLLECTIONS_READ])
def get_collections(request: Request) -> list[CollectionSchema]:
"""Get collections endpoint
Args:
request (Request): Fastapi Request object
id (int, optional): Collection id. Defaults to None.
Returns:
list[CollectionSchema]: List of collections
"""
collections = db_collection_handler.get_collections()
return CollectionSchema.for_user(request.user.id, [c for c in collections])
@protected_route(router.get, "/collections/{id}", [Scope.COLLECTIONS_READ])
def get_collection(request: Request, id: int) -> CollectionSchema:
"""Get collections endpoint
Args:
request (Request): Fastapi Request object
id (int, optional): Collection id. Defaults to None.
Returns:
CollectionSchema: Collection
"""
collection = db_collection_handler.get_collection(id)
if not collection:
raise CollectionNotFoundInDatabaseException(id)
return CollectionSchema.model_validate(collection)
@protected_route(router.put, "/collections/{id}", [Scope.COLLECTIONS_WRITE])
async def update_collection(
request: Request,
id: int,
remove_cover: bool = False,
is_public: bool | None = None,
artwork: UploadFile | None = None,
) -> CollectionSchema:
"""Update collection endpoint
Args:
request (Request): Fastapi Request object
Returns:
MessageResponse: Standard message response
"""
data = await request.form()
collection = db_collection_handler.get_collection(id)
if not collection:
raise CollectionNotFoundInDatabaseException(id)
if collection.user_id != request.user.id:
raise CollectionPermissionError(id)
if not collection:
raise CollectionNotFoundInDatabaseException(id)
try:
roms = json.loads(data["roms"]) # type: ignore
except json.JSONDecodeError as e:
raise ValueError("Invalid list for roms field in update collection") from e
except KeyError:
roms = collection.roms
cleaned_data = {
"name": data.get("name", collection.name),
"description": data.get("description", collection.description),
"is_public": is_public if is_public is not None else collection.is_public,
"roms": list(set(roms)),
"user_id": request.user.id,
}
if remove_cover:
cleaned_data.update(fs_resource_handler.remove_cover(collection))
cleaned_data.update({"url_cover": ""})
else:
if artwork is not None and artwork.filename is not None:
file_ext = artwork.filename.split(".")[-1]
(
path_cover_l,
path_cover_s,
artwork_path,
) = await fs_resource_handler.build_artwork_path(collection, file_ext)
cleaned_data["path_cover_l"] = path_cover_l
cleaned_data["path_cover_s"] = path_cover_s
artwork_content = BytesIO(await artwork.read())
file_location_small = Path(f"{artwork_path}/small.{file_ext}")
file_location_large = Path(f"{artwork_path}/big.{file_ext}")
with Image.open(artwork_content) as img:
img.save(file_location_large)
fs_resource_handler.resize_cover_to_small(
img, save_path=file_location_small
)
cleaned_data.update({"url_cover": ""})
else:
if data.get("url_cover", "") != collection.url_cover or not (
await fs_resource_handler.cover_exists(collection, CoverSize.BIG)
):
cleaned_data.update(
{"url_cover": data.get("url_cover", collection.url_cover)}
)
path_cover_s, path_cover_l = await fs_resource_handler.get_cover(
overwrite=True,
entity=collection,
url_cover=data.get("url_cover", ""), # type: ignore
)
cleaned_data.update(
{"path_cover_s": path_cover_s, "path_cover_l": path_cover_l}
)
updated_collection = db_collection_handler.update_collection(id, cleaned_data)
return CollectionSchema.model_validate(updated_collection)
@protected_route(router.delete, "/collections/{id}", [Scope.COLLECTIONS_WRITE])
async def delete_collections(request: Request, id: int) -> MessageResponse:
"""Delete collections endpoint
Args:
request (Request): Fastapi Request object
{
"collections": List of rom's ids to delete
}
Raises:
HTTPException: Collection not found
Returns:
MessageResponse: Standard message response
"""
collection = db_collection_handler.get_collection(id)
if not collection:
raise CollectionNotFoundInDatabaseException(id)
log.info(f"Deleting {collection.name} from database")
db_collection_handler.delete_collection(id)
try:
rmtree(f"{RESOURCES_BASE_PATH}/{collection.fs_resources_path}")
except FileNotFoundError:
log.error(f"Couldn't find resources to delete for {collection.name}")
return {"msg": f"{collection.name} deleted successfully!"}