use api::models::RequestError;
use reqwest;
use serde_json;
use std::error;
use std::fmt;
#[derive(Debug)]
pub enum Error {
Api(RequestError),
ReqwestHttp(reqwest::Error),
ReqwestUrl(reqwest::UrlError),
Serde(serde_json::Error),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Error::Api(ref err) => write!(f, "{:?}", err),
Error::ReqwestHttp(ref err) => write!(f, "Reqwest Http Error: {}", err),
Error::ReqwestUrl(ref err) => write!(f, "Reqwest Url Error: {}", err),
Error::Serde(ref err) => write!(f, "Serde Error: {}", err),
}
}
}
impl error::Error for Error {
fn description(&self) -> &str {
match *self {
Error::Api(ref _err) => "API request error.",
Error::ReqwestHttp(ref err) => err.description(),
Error::ReqwestUrl(ref err) => err.description(),
Error::Serde(ref err) => err.description(),
}
}
fn cause(&self) -> Option<&error::Error> {
match *self {
Error::Api(ref _err) => None,
Error::ReqwestHttp(ref err) => Some(err),
Error::ReqwestUrl(ref err) => Some(err),
Error::Serde(ref err) => Some(err),
}
}
}
impl From<RequestError> for Error {
fn from(err: RequestError) -> Error {
Error::Api(err)
}
}
impl From<reqwest::Error> for Error {
fn from(err: reqwest::Error) -> Error {
Error::ReqwestHttp(err)
}
}
impl From<reqwest::UrlError> for Error {
fn from(err: reqwest::UrlError) -> Error {
Error::ReqwestUrl(err)
}
}
impl From<serde_json::Error> for Error {
fn from(err: serde_json::Error) -> Error {
Error::Serde(err)
}
}