Switch rest stuff of data/downloader to Failure Crate.

hammond-downloader/src/downloader.rs

@@ -11,11 +11,13 @@ use std::io::{BufWriter, Read, Write};
 use std::path::Path;
 use std::sync::{Arc, Mutex};
 
-use errors::*;
 use hammond_data::{EpisodeWidgetQuery, PodcastCoverQuery, Save};
 use hammond_data::xdg_dirs::HAMMOND_CACHE;
 
-// use failure::Error;
+use std::result;
+
+use failure::Error;
+type Result<T> = result::Result<T, Error>;
 
 // TODO: Replace path that are of type &str with std::path.
 // TODO: Have a convention/document absolute/relative paths, if they should end with / or not.

hammond-downloader/src/errors.rs

@@ -2,19 +2,9 @@ use hammond_data;
 use reqwest;
 use std::io;
 
-error_chain! {
-    foreign_links {
-        ReqError(reqwest::Error);
-        IoError(io::Error);
-        DataError(hammond_data::errors::Error);
-    }
-}
-
 #[derive(Fail, Debug)]
 enum DownloaderError {
     #[fail(display = "Reqwest error: {}", _0)] RequestError(reqwest::Error),
-    // NOT SYNC.
-    // #[fail(display = "Data error: {}", _0)]
-    // DataError(hammond_data::errors::Error),
+    #[fail(display = "Data error: {}", _0)] DataError(hammond_data::errors::DatabaseError),
     #[fail(display = "Io error: {}", _0)] IoError(io::Error),
 }

hammond-downloader/src/lib.rs

@@ -2,13 +2,12 @@
 // #![deny(unused_extern_crates, unused)]
 
 #[macro_use]
-extern crate error_chain;
+extern crate failure;
 #[macro_use]
 extern crate failure_derive;
 #[macro_use]
 extern crate log;
 
-extern crate failure;
 extern crate glob;
 extern crate hammond_data;
 extern crate hyper;