Ignore duplicate albums; Don't search when no seeds

src/js/services/spotify/actions.js

@@ -718,10 +718,17 @@ export function getRecommendations(uris = [], limit = 20){
 
                 // Copy already loaded albums into array
                 var albums = []
+                var albums_uris = []
                 if (response.tracks.length > 10){
-                    for (var i = 0; i < 5; i++){
+                    while (albums.length < 5){
                         var random_index = Math.round(Math.random() * (response.tracks.length - 1))
-                        albums.push(response.tracks[random_index].album)
+                        var album = response.tracks[random_index].album
+
+                        // Make sure this album is not already in our sample
+                        if (!albums_uris.includes(album.uri)){
+                            albums_uris.push(album.uri)
+                            albums.push(album)
+                        }
                     }
                 }
 

src/js/views/discover/Discover.js

@@ -30,10 +30,7 @@ class Discover extends React.Component{
 				}
 			],
 			add_seed: '',
-			adding_seed: false,
-			artists: [],
-			albums: [],
-			tracks: []
+			adding_seed: false
 		}
 	}
 
@@ -60,7 +57,7 @@ class Discover extends React.Component{
 	}
 
 	getRecommendations(seeds = this.state.seeds){
-		if (seeds){
+		if (seeds.length > 0){
 			var uris = helpers.asURIs(seeds)
 			this.props.spotifyActions.getRecommendations(uris, 50)
 		}