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#[derive(thiserror::Error, Debug)]
pub enum Error {
#[error("Database error: {0}")]
Sqlx(#[source] sqlx::Error),
#[error("Route not found: {0}")]
RouteNotFound(axum::http::Uri),
#[error("User not found")]
UserNotFound,
#[error("Task not found")]
TaskNotFound,
#[error("Required header not found: {0}")]
HeaderNotFound(axum::http::HeaderName),
#[error("Failed to parse header: {0} (wrong token type?)")]
Header(axum_extra::typed_header::TypedHeaderRejection),
#[error("Failed to parse header: {0}")]
HeaderValue(#[from] axum::http::header::InvalidHeaderValue),
#[error("Invalid user token")]
InvalidToken,
#[error("User with that email already exists")]
UserExists,
#[error("Invalid email: {0}")]
EmailInvalid(#[from] email_address::Error),
#[error("Failed to reach authentication server: {0}")]
AuthRequest(#[from] axum::http::Error),
#[error("Authentication error: {0}")]
Auth(#[from] crate::auth::error::Error),
}
impl From<sqlx::Error> for Error {
fn from(value: sqlx::Error) -> Self {
match value {
sqlx::Error::Database(db_err)
if db_err.is_unique_violation() && db_err.table().is_some_and(|s| s == "user_") =>
{
Error::UserExists
}
err => Error::Sqlx(err),
}
}
}
impl From<axum_extra::typed_header::TypedHeaderRejection> for Error {
fn from(value: axum_extra::typed_header::TypedHeaderRejection) -> Self {
if value.is_missing() {
Self::HeaderNotFound(value.name().clone())
} else {
Self::Header(value)
}
}
}
impl axum::response::IntoResponse for Error {
fn into_response(self) -> axum::response::Response {
use axum::http::header::AUTHORIZATION;
use axum::http::StatusCode;
let status = match self {
Self::RouteNotFound(_) | Self::UserNotFound | Self::TaskNotFound => {
StatusCode::NOT_FOUND
}
Self::UserExists => StatusCode::CONFLICT,
Self::InvalidToken => StatusCode::UNAUTHORIZED,
Self::HeaderNotFound(ref h) if h == AUTHORIZATION => StatusCode::UNAUTHORIZED,
Self::HeaderNotFound(_) => StatusCode::BAD_REQUEST,
Self::EmailInvalid(_) | Self::Header(_) => StatusCode::UNPROCESSABLE_ENTITY,
Self::AuthRequest(_) | Self::Sqlx(_) => StatusCode::INTERNAL_SERVER_ERROR,
Self::HeaderValue(_) => StatusCode::INTERNAL_SERVER_ERROR,
Self::Auth(err) => return err.into_response(),
};
(status, self.to_string()).into_response()
}
}
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