fixes #827

app/logical/sources/site.rb

@@ -1,7 +1,7 @@
 module Sources
   class Site
     attr_reader :url, :strategy
-    delegate :get, :site_name, :artist_name, :profile_url, :image_url, :tags, :artist_record, :unique_id, :to => :strategy
+    delegate :get, :referer_url, :site_name, :artist_name, :profile_url, :image_url, :tags, :artist_record, :unique_id, :to => :strategy
     
     def self.strategies
       [Strategies::NicoSeiga, Strategies::Pixiv]

app/logical/sources/strategies/base.rb

@@ -33,6 +33,10 @@ module Sources
         end
       end
       
+      def referer_url(template)
+        template.params[:ref] || template.params[:url]
+      end
+      
     protected
       def agent
         raise NotImplementedError

app/logical/sources/strategies/pixiv.rb

@@ -5,6 +5,14 @@ module Sources
         url =~ /^https?:\/\/(?:\w+\.)?pixiv\.net/
       end
       
+      def referer_url(template)
+        if template.params[:ref] =~ /pixiv\.net\/member_illust/ && template.params[:ref] !~ /mode=manga/
+          template.params[:ref]
+        else
+          template.params[:url]
+        end
+      end
+      
       def site_name
         "Pixiv"
       end

app/views/sources/_info.html.erb

@@ -4,7 +4,7 @@
 
 <% if source.try(:available?) %>
   <div id="source-info">
-    <p>This looks like a <%= source.site_name %> upload. <%= link_to "Fetch data", source_path(:format => "json", :url => params[:ref] || params[:url]), :id => "fetch-data" %>.</p>
+    <p>This looks like a <%= source.site_name %> upload. <%= link_to "Fetch data", source_path(:format => "json", :url => source.referer_url(self)), :id => "fetch-data" %>.</p>
     
     <ul>
       <li><strong>Artist</strong>: <span id="source-artist"></span></li>