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use std::borrow::Cow;
use maildir::MailEntryError;
use mailparse::MailParseError;
use serde::ser::SerializeStruct as _;
use serde_json::Error as JSONError;
pub type Result<T> = std::result::Result<T, Error>;
#[derive(Debug)]
pub enum Error {
IoError(std::io::Error),
MailEntryError(MailEntryError),
SortOrder(String),
Setuid(String),
JSONError(JSONError),
PathError { msg: String, path: String },
}
impl std::fmt::Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
write!(f, "{:?}", self)
}
}
impl std::error::Error for Error {}
impl serde::Serialize for Error {
fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
let mut state = serializer.serialize_struct("Error", 1)?;
let err_str: Cow<str> = match self {
Error::IoError(e) => Cow::Owned(e.to_string()),
Error::MailEntryError(e) => Cow::Owned(e.to_string()),
Error::SortOrder(s) => Cow::Borrowed(s),
Error::Setuid(s) => Cow::Borrowed(s),
Error::JSONError(e) => Cow::Owned(e.to_string()),
Error::PathError { msg, path } => Cow::Owned(format!("{} {:?}", msg, path)),
};
state.serialize_field("error", &err_str)?;
state.end()
}
}
impl From<std::io::Error> for Error {
fn from(io_err: std::io::Error) -> Self {
Error::IoError(io_err)
}
}
impl From<MailEntryError> for Error {
fn from(me_err: MailEntryError) -> Self {
Error::MailEntryError(me_err)
}
}
impl From<MailParseError> for Error {
fn from(mp_err: MailParseError) -> Self {
Error::MailEntryError(MailEntryError::ParseError(mp_err))
}
}
impl From<JSONError> for Error {
fn from(j_err: JSONError) -> Self {
Error::JSONError(j_err)
}
}
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