iqdb fixes

app/logical/iqdb/importer.rb

@@ -1,15 +1,15 @@
 module Iqdb
   class Importer
     def import!
-      IO.popen("iqdb command #{Danbooru.config.iqdb_file}", "w") do |io|
-        Post.find_each do |post|
+      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
+          io.puts "quit"
         end
-        io.puts "quit"
       end
     end
   end

app/logical/iqdb/responses/collection.rb

@@ -1,6 +1,8 @@
 module Iqdb
   module Responses
     class Collection
+      attr_reader :responses
+      
       def initialize(response_string)
         @responses = response_string.split(/\n/).map do |string|
           ::Iqdb::Responses.const_get("Response_#{string[0..2]}").new(string[4..-1])

app/logical/iqdb/server.rb

@@ -3,7 +3,7 @@ module Iqdb
     FLAG_SKETCH = 0x01
     FLAG_GRAYSCALE = 0x02
     FLAG_WIDTH_AS_SET = 0x08
-    FLAG_DISCARD_COMMON_COEFFS = 0x16
+    FLAG_DISCARD_COMMON_COEFFS = 0x10
 
     attr_reader :hostname, :port, :socket
 
@@ -48,6 +48,7 @@ module Iqdb
     def query(results, filename, flags = FLAG_DISCARD_COMMON_COEFFS)
       request do
         socket.puts "query 0 #{flags} #{results} #{filename}"
+        socket.puts "done"
         responses = Responses::Collection.new(@socket.read)
       end
     end