fix for artist search

app/logical/sources/strategies/nico_seiga.rb

@@ -60,7 +60,7 @@ module Sources
         @agent ||= begin
           mech = Mechanize.new
 
-          mech.get("http://seiga.nicovideo.jp/login/redirect?next_url=") do |page|
+          mech.get("https://secure.nicovideo.jp/secure/login_form") do |page|
             page.form_with do |form|
               form["mail"] = Danbooru.config.nico_seiga_login
               form["password"] = Danbooru.config.nico_seiga_password

app/models/artist.rb

@@ -230,7 +230,7 @@ class Artist < ActiveRecord::Base
       q = active
       return q if params.blank?
 
-      case params[:name].present?
+      case params[:name]
       when /^http/
         q = q.url_matches(params[:name])