fixes #2130

app/logical/iqdb/importer.rb

@@ -4,7 +4,6 @@ module Iqdb
       Post.find_each do |post|
         IO.popen("iqdb command #{Danbooru.config.iqdb_file}", "w+") do |io|
           if File.exists?(post.preview_file_path)
-            puts post.id
             hex = post.id.to_s(16)
             io.puts "add 0 #{hex}:#{post.preview_file_path}"
           end

app/logical/iqdb/responses/collection.rb

@@ -2,6 +2,7 @@ module Iqdb
   module Responses
     class Collection
       attr_reader :responses
+      delegate :each, :empty?, :any?, :to => :matches
       
       def initialize(response_string)
         @responses = response_string.split(/\n/).map do |string|
@@ -13,10 +14,6 @@ module Iqdb
         @matches ||= responses.select {|x| x.is_a?(Iqdb::Responses::Response_200) && x.score >= 90}
       end
 
-      def empty?
-        matches.empty?
-      end
-
       def errored?
         errors.any?
       end

app/logical/iqdb/server.rb

@@ -7,6 +7,10 @@ module Iqdb
 
     attr_reader :hostname, :port, :socket
 
+    def self.default
+      new(*Danbooru.config.iqdb_hostname_and_port)
+    end
+
     def initialize(hostname, port)
       @hostname = hostname
       @port = port
@@ -45,6 +49,15 @@ 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}"