* Refactor iqdb response collection

app/controllers/iqdb_queries_controller.rb

@@ -24,7 +24,7 @@ protected
 
   def create_by_post
     @post = Post.find(params[:post_id])
-    @results = Iqdb::Server.default.similar(@post.id, 3)
+    @results = Iqdb::Server.default.query(3, @post.preview_file_path)
     render :layout => false, :action => "create_by_post"
   end
 end

app/logical/iqdb/download.rb

@@ -14,7 +14,7 @@ module Iqdb
 
     def find_similar
       if Danbooru.config.iqdb_hostname_and_port
-        @matches = Iqdb::Server.new(*Danbooru.config.iqdb_hostname_and_port).query(3, @download.file_path).matches
+        @matches = Iqdb::Server.default.query(3, @download.file_path).matches
       end
     end
   end

app/logical/iqdb/responses/collection.rb

@@ -2,7 +2,8 @@ module Iqdb
   module Responses
     class Collection
       attr_reader :responses
-      delegate :each, :empty?, :any?, :to => :matches
+      include Enumerable
+      delegate :<=>, :each, :to => :matches
       
       def initialize(response_string)
         @responses = response_string.split(/\n/).map do |string|

app/logical/iqdb/server.rb

@@ -49,15 +49,6 @@ module Iqdb
       end
     end
 
-    def similar(post_id, results, flags = FLAG_DISCARD_COMMON_COEFFS)
-      request do
-        hex_id = post_id.to_s(16)
-        socket.puts "sim 0 #{flags} #{results} #{hex_id}"
-        socket.puts "done"
-        responses = Responses::Collection.new(socket.read)
-      end
-    end
-
     def query(results, filename, flags = FLAG_DISCARD_COMMON_COEFFS)
       request do
         socket.puts "query 0 #{flags} #{results} #{filename}"

app/views/iqdb_queries/create_by_url.html.erb

@@ -1,6 +1,6 @@
-<% if @download.matches.any? %>
+<% if @download.any? %>
   <h3>Similar</h3>
-  <% @download.matches.each do |match| %>
+  <% @download.each do |match| %>
     <%= PostPresenter.preview(Post.find(match.post_id)) %>
   <% end %>
 <% else %>