Cleanup the id() method mess of the diesel models.

hammond-downloader/src/downloader.rs

@@ -219,7 +219,6 @@ mod tests {
     use hammond_data::Source;
     use hammond_data::feed::index;
     use hammond_data::dbqueries;
-    use diesel::associations::Identifiable;
 
     #[test]
     // This test inserts an rss feed to your `XDG_DATA/hammond/hammond.db` so we make it explicit
@@ -231,7 +230,7 @@ mod tests {
         // Create and index a source
         let mut source = Source::from_url(url).unwrap();
         // Copy it's id
-        let sid = source.id().clone();
+        let sid = source.id();
 
         // Convert Source it into a Feed and index it
         let feed = source.into_feed(true).unwrap();

hammond-downloader/src/errors.rs

@@ -1,4 +1,3 @@
-use diesel::result;
 use reqwest;
 use hammond_data;
 use std::io;
@@ -7,7 +6,6 @@ error_chain! {
     foreign_links {
         ReqError(reqwest::Error);
         IoError(io::Error);
-        DieselResultError(result::Error);
         DataError(hammond_data::errors::Error);
     }
 }

hammond-downloader/src/lib.rs

@@ -1,6 +1,5 @@
 #![recursion_limit = "1024"]
 
-extern crate diesel;
 #[macro_use]
 extern crate error_chain;
 extern crate glob;