Updated test_parse_episode and TheBreakthrough xml feed file.

migrations/2017-09-15-001128_init_schema/up.sql

@@ -8,7 +8,7 @@ CREATE TABLE `source` (
 CREATE TABLE `episode` (
 	`id`	INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,
 	`title`	TEXT,
-	`uri`	TEXT,
+	`uri`	TEXT UNIQUE,
 	`local_uri`	TEXT,
 	`description`	TEXT,
 	`published_date` TEXT ,

src/index_feed.rs

@@ -51,6 +51,7 @@ pub fn index_loop(db: SqliteConnection) -> Result<()> {
         let chan = feed.get_podcast_chan(&db)?;
         let pd = parse_feeds::parse_podcast(&chan, feed.id())?;
 
+        // TODO: Separate the insert/update logic
         diesel::insert_or_replace(&pd)
             .into(schema::podcast::table)
             .execute(&db)?;