Sources: do not use an empty else in case blocks

app/logical/source/url/anifty.rb

@@ -41,6 +41,7 @@ class Source::URL::Anifty < Source::URL
       @username = $1
 
     else
+      nil
     end
   end
 

app/logical/source/url/art_station.rb

@@ -60,6 +60,7 @@ class Source::URL::ArtStation < Source::URL
       @username = subdomain
 
     else
+      nil
     end
   end
 

app/logical/source/url/booth.rb

@@ -62,6 +62,7 @@ module Source
         @username = username
 
       else
+        nil
       end
     end
 

app/logical/source/url/deviant_art.rb

@@ -92,6 +92,7 @@ module Source
         @stash_id = stash_id
 
       else
+        nil
       end
     end
 
@@ -128,6 +129,7 @@ module Source
         @username = $2.dasherize
 
       else
+        nil
       end
     end
 

app/logical/source/url/fanbox.rb

@@ -63,6 +63,7 @@ class Source::URL::Fanbox < Source::URL
       @username = subdomain
 
     else
+      nil
     end
   end
 

app/logical/source/url/fantia.rb

@@ -65,6 +65,7 @@ class Source::URL::Fantia < Source::URL
       @username = username
 
     else
+      nil
     end
   end
 

app/logical/source/url/fc2.rb

@@ -67,6 +67,7 @@ class Source::URL::Fc2 < Source::URL
       @profile_url = "http://diary.fc2.com/cgi-sys/ed.cgi/#{username}"
 
     else
+      nil
     end
   end
 end

app/logical/source/url/foundation.rb

@@ -61,6 +61,7 @@ class Source::URL::Foundation < Source::URL
       @hash = hash
 
     else
+      nil
     end
   end
 

app/logical/source/url/hentai_foundry.rb

@@ -60,6 +60,7 @@ class Source::URL::HentaiFoundry < Source::URL
       @username = $1
 
     else
+      nil
     end
   end
 

app/logical/source/url/instagram.rb

@@ -31,6 +31,7 @@ class Source::URL::Instagram < Source::URL
       @username = username
 
     else
+      nil
     end
   end
 

app/logical/source/url/lofter.rb

@@ -41,6 +41,7 @@ class Source::URL::Lofter < Source::URL
       @username = $1
 
     else
+      nil
     end
   end
 

app/logical/source/url/mastodon.rb

@@ -63,6 +63,7 @@ class Source::URL::Mastodon < Source::URL
       @media_hash = media_hash
 
     else
+      nil
     end
   end
 

app/logical/source/url/moebooru.rb

@@ -47,6 +47,7 @@ class Source::URL::Moebooru < Source::URL
       @original_file_ext = file_ext_for(sample_type)
 
     else
+      nil
     end
   end
 
@@ -75,6 +76,7 @@ class Source::URL::Moebooru < Source::URL
       work_id
 
     else
+      nil
     end
   end
 

app/logical/source/url/newgrounds.rb

@@ -52,6 +52,7 @@ class Source::URL::Newgrounds < Source::URL
       @username = $1
 
     else
+      nil
     end
   end
 

app/logical/source/url/nico_seiga.rb

@@ -153,6 +153,7 @@ module Source
         @profile_url = "https://game.nicovideo.jp/atsumaru/users/#{user_id}"
 
       else
+        nil
       end
     end
 

app/logical/source/url/nijie.rb

@@ -56,6 +56,7 @@ class Source::URL::Nijie < Source::URL
       nil
 
     else
+      nil
     end
   end
 
@@ -83,6 +84,7 @@ class Source::URL::Nijie < Source::URL
       @work_id = work_id if work_id.to_i != 0
 
     else
+      nil
     end
   end
 

app/logical/source/url/null.rb

@@ -248,6 +248,7 @@ class Source::URL::Null < Source::URL
       @page_url = "https://www.zerochan.net/#{@work_id}#full"
 
     else
+      nil
     end
   end
 end

app/logical/source/url/pixiv.rb

@@ -84,6 +84,7 @@ module Source
         @username = username
 
       else
+        nil
       end
     end
 
@@ -114,6 +115,7 @@ module Source
         @work_id = work_id
 
       else
+        nil
       end
     end
 

app/logical/source/url/pixiv_sketch.rb

@@ -27,6 +27,7 @@ module Source
         @username = username.delete_prefix("@")
 
       else
+        nil
       end
     end
 

app/logical/source/url/plurk.rb

@@ -45,6 +45,7 @@ class Source::URL::Plurk < Source::URL
       @username = username
 
     else
+      nil
     end
   end
 

app/logical/source/url/reddit.rb

@@ -52,6 +52,7 @@ module Source
           @work_id = work_id
 
         else
+          nil
         end
       end
 

app/logical/source/url/skeb.rb

@@ -40,6 +40,7 @@ class Source::URL::Skeb < Source::URL
       @image_uuid = image_uuid
 
     else
+      nil
     end
   end
 

app/logical/source/url/tinami.rb

@@ -50,6 +50,7 @@ class Source::URL::Tinami < Source::URL
       @work_id = work_id
 
     else
+      nil
     end
   end
 

app/logical/source/url/tumblr.rb

@@ -69,6 +69,7 @@ class Source::URL::Tumblr < Source::URL
       @blog_name = subdomain
 
     else
+      nil
     end
   end
 

app/logical/source/url/twit_pic.rb

@@ -68,6 +68,7 @@ class Source::URL::TwitPic < Source::URL
       @base36_id = filename.to_i.to_s(36)
 
     else
+      nil
     end
   end
 

app/logical/source/url/twitter.rb

@@ -85,6 +85,7 @@ class Source::URL::Twitter < Source::URL
       # /ext_tw_video_thumb/1243725361986375680/pu/img/JDA7g7lcw7wK-PIv.jpg
       @file_path = File.join(media_type, subdirs.join("/"), "#{@file}.#{@file_ext}")
     else
+      nil
     end
   end
 

app/logical/source/url/weibo.rb

@@ -79,6 +79,7 @@ class Source::URL::Weibo < Source::URL
       @username = username
 
     else
+      nil
     end
   end