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use actix_web::{HttpResponse, ResponseError};
use thiserror::Error;
#[derive(Debug, Error)]
pub(crate) enum AppError {
#[error("`{0}`")]
User(#[from] UserError),
#[error("`{0}`")]
Json(#[from] serde_json::Error),
#[error("`{0}`")]
Actix(#[from] actix_web::Error),
#[error("`{0}`")]
Db(#[from] sea_orm::DbErr),
#[error("`{0}`")]
MinioS3(#[from] minio::s3::error::Error),
#[error("`{0}`")]
Std(#[from] std::io::Error),
}
#[derive(Debug, Error)]
pub(crate) enum UserError {
#[error("`username` field of `User` cannot be empty!")]
EmptyUsername,
#[error("`username` field of `User` cannot contain whitespaces!")]
UsernameInvalidCharacter,
#[error("`password` field of `User` cannot be empty!")]
EmptyPassword,
#[error("`password` field of `User` cannot contain whitespaces!")]
PasswordInvalidCharacter,
#[error("Could not find any `User` for id: `{0}`!")]
NotFound(i64),
#[error("Failed to login user!")]
LoginFailed,
#[error("User is not logged in!")]
NotLoggedIn,
#[error("Invalid authorization token!")]
InvalidToken,
#[error("Could not find any `User`!")]
Empty,
}
impl ResponseError for AppError {
fn status_code(&self) -> actix_web::http::StatusCode {
match self {
AppError::User(user_error) => match user_error {
UserError::EmptyUsername => actix_web::http::StatusCode::UNPROCESSABLE_ENTITY,
UserError::UsernameInvalidCharacter => {
actix_web::http::StatusCode::UNPROCESSABLE_ENTITY
}
UserError::EmptyPassword => actix_web::http::StatusCode::UNPROCESSABLE_ENTITY,
UserError::PasswordInvalidCharacter => {
actix_web::http::StatusCode::UNPROCESSABLE_ENTITY
}
UserError::NotFound(_) => actix_web::http::StatusCode::NOT_FOUND,
UserError::NotLoggedIn => actix_web::http::StatusCode::UNAUTHORIZED,
UserError::Empty => actix_web::http::StatusCode::NOT_FOUND,
UserError::LoginFailed => actix_web::http::StatusCode::NOT_FOUND,
UserError::InvalidToken => actix_web::http::StatusCode::UNAUTHORIZED,
},
AppError::Actix(fail) => fail.as_response_error().status_code(),
_ => actix_web::http::StatusCode::INTERNAL_SERVER_ERROR,
}
}
fn error_response(&self) -> HttpResponse {
let status_code = self.status_code();
let response = HttpResponse::build(status_code).body(self.to_string());
response
}
} |