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use csv::Error as CsvError;
use serde_json::Error as SerdeError;
use std::error::Error as StdError;
use std::fmt;
use std::io;
use std::path::PathBuf;
#[derive(Debug)]
pub enum Error {
AccessError {
path: PathBuf,
inner: io::Error,
},
CopyError {
from: PathBuf,
to: PathBuf,
inner: io::Error,
},
SerdeError {
path: PathBuf,
inner: SerdeError,
},
CsvError(CsvError),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Error::AccessError { path, inner } => {
write!(f, "Failed to access file {:?}: {}", path, inner)
}
Error::CopyError { from, to, inner } => {
write!(f, "Failed to copy file {:?} to {:?}: {}", from, to, inner)
}
Error::SerdeError { path, inner } => write!(
f,
"Failed to read or write file {:?} due to serialization error: {}",
path, inner
),
Error::CsvError(inner) => write!(f, "CSV error: {}", inner),
}
}
}
impl StdError for Error {
fn description(&self) -> &str {
match self {
Error::AccessError { .. } => "AccessError",
Error::CopyError { .. } => "CopyError",
Error::SerdeError { .. } => "SerdeError",
Error::CsvError(_) => "CsvError",
}
}
fn cause(&self) -> Option<&dyn StdError> {
match self {
Error::AccessError { inner, .. } => Some(inner),
Error::CopyError { inner, .. } => Some(inner),
Error::SerdeError { inner, .. } => Some(inner),
Error::CsvError(inner) => Some(inner),
}
}
}
impl From<CsvError> for Error {
fn from(other: CsvError) -> Error {
Error::CsvError(other)
}
}
pub type Result<T> = ::std::result::Result<T, Error>;
pub(crate) fn log_error(e: &Error) {
error!("error: {}", e);
}
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