Bad artist name error fix. showing 404

app/controllers/artist_controller.rb

@@ -2,34 +2,41 @@
 class ArtistController < ApplicationController
   require 'open-uri'
 	def view
+	  # Dirty auth block START
     unless request.session['session_id'].nil? or MainController.logged_in request.session['session_id']
       redirect_to '/login'
+      return
     else
       if request.session['session_id'].nil?
         redirect_to '/login'
+        return
       end
     end
+    # Dirty auth block END
   	if params[:name].nil?
-	  		name = ''
-	  	else
-			if request.request_method == 'POST'
-	  		  redirect_to :action => 'view', :name => params[:name].gsub(' ', '+')
-	  		end
-	  		name = params[:name].gsub('+', ' ')
-	  	end
-	  	@artist = Artist.getByName(name)
-		@albums = []
-		@artist.albums.each do |album|
-			unless album.releases.empty?
-				tracks = album.tracksInDb()
-				@albums << {
-					:object => album,
-					:tracks => tracks
-				}
-	  		end
-	  	end
-	end
-
+	  	name = ''
+  	else
+		  if request.request_method == 'POST'
+  		  redirect_to :action => 'view', :name => params[:name].gsub(' ', '+')
+  		end
+  		name = params[:name].gsub('+', ' ')
+  	end
+  	@artist = Artist.getByName(name)
+  	if @artist.nil?
+  	  render :file => "#{Rails.root}/public/404.html", :status => 404, :layout => false
+  	else
+		  @albums = []
+		  @artist.albums.each do |album|
+			  unless album.releases.empty?
+				  tracks = album.tracksInDb()
+				  @albums << {
+					  :object => album,
+					  :tracks => tracks
+				  }
+	  		  end
+	  	  end
+	    end
+    end
 	def autocomplete
 		autocomplete = Artist.getLastFmAutocomplete(params[:query])
 		return	render :nothing => true if autocomplete.nil?