PhotosAPI/extensions/exceptions.py

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from fastapi import Request
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from fastapi.responses import UJSONResponse
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from starlette.status import (
HTTP_400_BAD_REQUEST,
HTTP_401_UNAUTHORIZED,
HTTP_404_NOT_FOUND,
HTTP_406_NOT_ACCEPTABLE,
HTTP_409_CONFLICT,
HTTP_422_UNPROCESSABLE_ENTITY,
)
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from classes.exceptions import (
AlbumNotFoundError,
AlbumAlreadyExistsError,
AlbumIncorrectError,
PhotoNotFoundError,
PhotoSearchQueryEmptyError,
VideoNotFoundError,
VideoSearchQueryEmptyError,
SearchPageInvalidError,
SearchTokenInvalidError,
AccessTokenInvalidError,
UserEmailCodeInvalid,
UserAlreadyExists,
UserCredentialsInvalid,
)
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from modules.app import app
@app.exception_handler(AlbumNotFoundError)
async def album_not_found_exception_handler(request: Request, exc: AlbumNotFoundError):
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return UJSONResponse(
status_code=HTTP_404_NOT_FOUND,
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content={"detail": f"Could not find album with id '{exc.id}'."},
)
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@app.exception_handler(AlbumAlreadyExistsError)
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async def album_already_exists_exception_handler(
request: Request, exc: AlbumAlreadyExistsError
):
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return UJSONResponse(
status_code=HTTP_409_CONFLICT,
content={"detail": f"Album with name '{exc.name}' already exists."},
)
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@app.exception_handler(AlbumIncorrectError)
async def album_incorrect_exception_handler(request: Request, exc: AlbumIncorrectError):
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return UJSONResponse(
status_code=HTTP_406_NOT_ACCEPTABLE,
content={"detail": f"Album {exc.place} invalid: {exc.error}"},
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)
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@app.exception_handler(PhotoNotFoundError)
async def photo_not_found_exception_handler(request: Request, exc: PhotoNotFoundError):
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return UJSONResponse(
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status_code=HTTP_404_NOT_FOUND,
content={"detail": f"Could not find photo with id '{exc.id}'."},
)
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@app.exception_handler(PhotoSearchQueryEmptyError)
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async def photo_search_query_empty_exception_handler(
request: Request, exc: PhotoSearchQueryEmptyError
):
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return UJSONResponse(
status_code=HTTP_422_UNPROCESSABLE_ENTITY,
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content={
"detail": "You must provide query, caption or coordinates to look for photos."
},
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)
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@app.exception_handler(VideoNotFoundError)
async def video_not_found_exception_handler(request: Request, exc: VideoNotFoundError):
return UJSONResponse(
status_code=HTTP_404_NOT_FOUND,
content={"detail": f"Could not find video with id '{exc.id}'."},
)
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@app.exception_handler(VideoSearchQueryEmptyError)
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async def video_search_query_empty_exception_handler(
request: Request, exc: VideoSearchQueryEmptyError
):
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return UJSONResponse(
status_code=HTTP_422_UNPROCESSABLE_ENTITY,
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content={
"detail": "You must provide query, caption or coordinates to look for photos."
},
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)
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@app.exception_handler(SearchPageInvalidError)
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async def search_page_invalid_exception_handler(
request: Request, exc: SearchPageInvalidError
):
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return UJSONResponse(
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status_code=HTTP_400_BAD_REQUEST,
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content={
"detail": "Parameters 'page' and 'page_size' must be greater or equal to 1."
},
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)
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@app.exception_handler(SearchTokenInvalidError)
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async def search_token_invalid_exception_handler(
request: Request, exc: SearchTokenInvalidError
):
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return UJSONResponse(
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status_code=HTTP_401_UNAUTHORIZED,
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content={
"detail": "Parameters 'page' and 'page_size' must be greater or equal to 1."
},
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)
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@app.exception_handler(UserEmailCodeInvalid)
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async def user_email_code_invalid_exception_handler(
request: Request, exc: UserEmailCodeInvalid
):
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return UJSONResponse(
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status_code=HTTP_400_BAD_REQUEST,
content={"detail": "Confirmation code is invalid."},
)
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@app.exception_handler(UserAlreadyExists)
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async def user_already_exists_exception_handler(
request: Request, exc: UserAlreadyExists
):
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return UJSONResponse(
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status_code=HTTP_409_CONFLICT,
content={"detail": "User with this username already exists."},
)
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@app.exception_handler(AccessTokenInvalidError)
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async def access_token_invalid_exception_handler(
request: Request, exc: AccessTokenInvalidError
):
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return UJSONResponse(
status_code=HTTP_401_UNAUTHORIZED,
content={"detail": "Invalid access token."},
)
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@app.exception_handler(UserCredentialsInvalid)
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async def user_credentials_invalid_exception_handler(
request: Request, exc: UserCredentialsInvalid
):
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return UJSONResponse(
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status_code=HTTP_401_UNAUTHORIZED,
content={"detail": "Invalid credentials."},
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)