PhotosAPI/classes/exceptions.py

from typing import Literal

from fastapi import HTTPException


class AlbumNotFoundError(HTTPException):
    """Raises HTTP 404 if no album with this ID found."""

    def __init__(self, id: str):
        self.id = id
        self.openapi = {
            "description": "Album Does Not Exist",
            "content": {
                "application/json": {
                    "example": {"detail": "Could not find album with id '{id}'."}
                }
            },
        }


class AlbumNameNotFoundError(HTTPException):
    """Raises HTTP 404 if no album with this name found."""

    def __init__(self, name: str):
        self.name = name
        self.openapi = {
            "description": "Album Does Not Exist",
            "content": {
                "application/json": {
                    "example": {"detail": "Could not find album with name '{name}'."}
                }
            },
        }
        super().__init__(
            status_code=404,
            detail=self.openapi["content"]["application/json"]["example"][
                "detail"
            ].format(name=self.name),
        )


class AlbumAlreadyExistsError(HTTPException):
    """Raises HTTP 409 if album with this name already exists."""

    def __init__(self, name: str):
        self.name = name
        self.openapi = {
            "description": "Album Already Exists",
            "content": {
                "application/json": {
                    "example": {"detail": "Album with name '{name}' already exists."}
                }
            },
        }
        super().__init__(
            status_code=409,
            detail=self.openapi["content"]["application/json"]["example"][
                "detail"
            ].format(name=self.name),
        )


class AlbumIncorrectError(HTTPException):
    """Raises HTTP 406 if album's title or name is invalid."""

    def __init__(self, place: Literal["name", "title"], error: str) -> None:
        self.place = place
        self.error = error
        self.openapi = {
            "description": "Album Name/Title Invalid",
            "content": {
                "application/json": {
                    "example": {"detail": "Album {place} invalid: {error}"}
                }
            },
        }
        super().__init__(
            status_code=406,
            detail=self.openapi["content"]["application/json"]["example"][
                "detail"
            ].format(place=self.place, error=self.error),
        )


class PhotoNotFoundError(HTTPException):
    """Raises HTTP 404 if no photo with this ID found."""

    def __init__(self, id: str):
        self.id = id
        self.openapi = {
            "description": "Photo Does Not Exist",
            "content": {
                "application/json": {
                    "example": {"detail": "Could not find photo with id '{id}'."}
                }
            },
        }
        super().__init__(
            status_code=404,
            detail=self.openapi["content"]["application/json"]["example"][
                "detail"
            ].format(id=self.id),
        )


class PhotoSearchQueryEmptyError(HTTPException):
    """Raises HTTP 422 if no photo search query provided."""

    def __init__(self):
        self.openapi = {
            "description": "Invalid Query",
            "content": {
                "application/json": {
                    "example": {
                        "detail": "You must provide query, caption or coordinates to look for photos."
                    }
                }
            },
        }
        super().__init__(
            status_code=422,
            detail=self.openapi["content"]["application/json"]["example"]["detail"],
        )


class VideoNotFoundError(HTTPException):
    """Raises HTTP 404 if no video with this ID found."""

    def __init__(self, id: str):
        self.id = id
        self.openapi = {
            "description": "Video Does Not Exist",
            "content": {
                "application/json": {
                    "example": {"detail": "Could not find video with id '{id}'."}
                }
            },
        }
        super().__init__(
            status_code=404,
            detail=self.openapi["content"]["application/json"]["example"][
                "detail"
            ].format(id=self.id),
        )


class VideoSearchQueryEmptyError(HTTPException):
    """Raises HTTP 422 if no video search query provided."""

    def __init__(self):
        self.openapi = {
            "description": "Invalid Query",
            "content": {
                "application/json": {
                    "example": {
                        "detail": "You must provide query or caption to look for videos."
                    }
                }
            },
        }
        super().__init__(
            status_code=422,
            detail=self.openapi["content"]["application/json"]["example"]["detail"],
        )


class SearchPageInvalidError(HTTPException):
    """Raises HTTP 400 if page or page size are not in valid range."""

    def __init__(self):
        self.openapi = {
            "description": "Invalid Page",
            "content": {
                "application/json": {
                    "example": {
                        "detail": "Parameters 'page' and 'page_size' must be greater or equal to 1."
                    }
                }
            },
        }
        super().__init__(
            status_code=400,
            detail=self.openapi["content"]["application/json"]["example"]["detail"],
        )


class SearchTokenInvalidError(HTTPException):
    """Raises HTTP 401 if search token is not valid."""

    def __init__(self):
        self.openapi = {
            "description": "Invalid Token",
            "content": {
                "application/json": {"example": {"detail": "Invalid search token."}}
            },
        }
        super().__init__(
            status_code=401,
            detail=self.openapi["content"]["application/json"]["example"]["detail"],
        )


class UserEmailCodeInvalid(HTTPException):
    """Raises HTTP 400 if email confirmation code is not valid."""

    def __init__(self):
        self.openapi = {
            "description": "Invalid Email Code",
            "content": {
                "application/json": {
                    "example": {"detail": "Confirmation code is invalid."}
                }
            },
        }
        super().__init__(
            status_code=400,
            detail=self.openapi["content"]["application/json"]["example"]["detail"],
        )


class UserAlreadyExists(HTTPException):
    """Raises HTTP 409 if user with this name already exists."""

    def __init__(self):
        self.openapi = {
            "description": "User Already Exists",
            "content": {
                "application/json": {
                    "example": {"detail": "User with this username already exists."}
                }
            },
        }
        super().__init__(
            status_code=409,
            detail=self.openapi["content"]["application/json"]["example"]["detail"],
        )


class AccessTokenInvalidError(HTTPException):
    """Raises HTTP 401 if access token is not valid."""

    def __init__(self):
        self.openapi = {
            "description": "Invalid Access Token",
            "content": {
                "application/json": {"example": {"detail": "Invalid access token."}}
            },
        }
        super().__init__(
            status_code=401,
            detail=self.openapi["content"]["application/json"]["example"]["detail"],
        )


class UserCredentialsInvalid(HTTPException):
    """Raises HTTP 401 if user credentials are not valid."""

    def __init__(self):
        self.openapi = {
            "description": "Invalid Credentials",
            "content": {
                "application/json": {"example": {"detail": "Invalid credentials."}}
            },
        }
        super().__init__(
            status_code=401,
            detail=self.openapi["content"]["application/json"]["example"]["detail"],
        )