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use axum::{
http::StatusCode,
response::{IntoResponse, Response},
Json,
};
use serde_json::json;
/// All errors raised by the web app
pub enum AppError {
/// Generic error, never called yet
Generic,
/// Database error
Database,
/// Generic bad request. It is handled with a message value
BadRequest(String),
/// Not found error
NotFound,
/// Raised when a token is not good created
TokenCreation,
/// Raised when a passed token is not valid
InvalidToken,
}
/// Use `AppError` as response for an endpoint
impl IntoResponse for AppError {
/// Matches `AppError` into a tuple of status and error message.
/// The response will be a JSON in the format of:
/// ```json
/// { "error": "<message>" }
/// ```
fn into_response(self) -> Response {
let (status, error_message) = match self {
AppError::Generic => (
StatusCode::INTERNAL_SERVER_ERROR,
"Generic error, can't find why".to_string(),
),
AppError::Database => (
StatusCode::INTERNAL_SERVER_ERROR,
"Error with database connection".to_string(),
),
AppError::BadRequest(value) => (StatusCode::BAD_REQUEST, value),
AppError::NotFound => (StatusCode::NOT_FOUND, "Element not found".to_string()),
AppError::TokenCreation => (
StatusCode::INTERNAL_SERVER_ERROR,
"Token creation error".to_string(),
),
AppError::InvalidToken => (StatusCode::BAD_REQUEST, "Invalid token".to_string()),
};
let body = Json(json!({
"error": error_message,
}));
(status, body).into_response()
}
}
/// Transforms a `sqlx::Error` into a `AppError::Databse` error
impl From<sqlx::Error> for AppError {
fn from(_error: sqlx::Error) -> AppError {
AppError::Database
}
}
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