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use std::error::Error;
use std::fmt::{self, Display, Formatter};
use std::io;
#[derive(Debug)]
pub enum FileCenterError {
MongoDBError(crate::mongodb::error::Error),
DocumentError(crate::bson::document::ValueAccessError),
FileSizeThresholdError,
VersionError,
DatabaseTooNewError {
supported_latest: i32,
current: i32,
},
IOError(io::Error),
IDTokenError(&'static str),
}
impl Display for FileCenterError {
#[inline]
fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
match self {
FileCenterError::MongoDBError(err) => Display::fmt(err, f),
FileCenterError::DocumentError(err) => Display::fmt(err, f),
FileCenterError::FileSizeThresholdError => {
f.write_str("the file size threshold is incorrect")
}
FileCenterError::VersionError => f.write_str("the version is incorrect"),
FileCenterError::DatabaseTooNewError {
supported_latest,
current,
} => {
f.write_fmt(format_args!(
"the current database version is {}, but this library only supports to {}",
current, supported_latest
))
}
FileCenterError::IOError(err) => Display::fmt(err, f),
FileCenterError::IDTokenError(err) => f.write_str(err),
}
}
}
impl Error for FileCenterError {}
impl From<crate::mongodb::error::Error> for FileCenterError {
#[inline]
fn from(err: crate::mongodb::error::Error) -> Self {
FileCenterError::MongoDBError(err)
}
}
impl From<crate::bson::document::ValueAccessError> for FileCenterError {
#[inline]
fn from(err: crate::bson::document::ValueAccessError) -> Self {
FileCenterError::DocumentError(err)
}
}
impl From<io::Error> for FileCenterError {
#[inline]
fn from(err: io::Error) -> Self {
FileCenterError::IOError(err)
}
}