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use std::fmt::Display;
use poem::{error::ResponseError, http::StatusCode};
use sqlx::postgres::PgDatabaseError;
#[derive(Debug)]
pub enum Error {
IOError(std::io::Error),
TOMLError(toml::de::Error),
SQLError(String),
DatabaseError(sqlx::Error),
NotFound,
MissingField,
}
impl Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Error::SQLError(error) => write!(f, "SQL Error: {}", error),
Error::IOError(error) => write!(f, "IO Error: {}", error),
Error::TOMLError(error) => write!(f, "TOML deserialization error: {}", error),
Error::DatabaseError(error) => write!(f, "database error: {}", error),
Error::NotFound => write!(f, "not found"),
Error::MissingField => write!(f, "missing field in row"),
}
}
}
impl std::error::Error for Error {}
impl ResponseError for Error {
fn status(&self) -> poem::http::StatusCode {
match self {
Error::IOError(_) => StatusCode::INTERNAL_SERVER_ERROR,
Error::TOMLError(_) => StatusCode::INTERNAL_SERVER_ERROR,
Error::DatabaseError(_) => StatusCode::INTERNAL_SERVER_ERROR,
Error::NotFound => StatusCode::NOT_FOUND,
Error::SQLError(_) => StatusCode::INTERNAL_SERVER_ERROR,
Error::MissingField => StatusCode::INTERNAL_SERVER_ERROR,
}
}
}
impl From<std::io::Error> for Error {
fn from(e: std::io::Error) -> Self {
Self::IOError(e)
}
}
impl From<toml::de::Error> for Error {
fn from(e: toml::de::Error) -> Self {
Self::TOMLError(e)
}
}
impl From<sqlx::Error> for Error {
fn from(e: sqlx::Error) -> Self {
match e {
sqlx::Error::Database(database_error) => {
let error = database_error.downcast::<PgDatabaseError>();
match error.code() {
code => Error::SQLError(code.to_string()),
}
}
sqlx::Error::RowNotFound => Error::NotFound,
_ => Self::DatabaseError(e),
}
}
}
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