removed zip responder and fixed csv responder.

Author: diogob

lib/postgres-copy.rb

@@ -11,7 +11,6 @@ class PostgresCopy < Rails::Railtie
     end
     ActiveSupport.on_load :action_controller do
       require "postgres-copy/csv_responder"
-      require "postgres-copy/zip_responder"
     end
   end
 end

lib/postgres-copy/csv_responder.rb

@@ -1,7 +1,9 @@
-class ActionController::Responder
+module Responders::CsvResponder
   def to_csv
-    name = "#{controller.resource.class.name.downcase}_#{Time.now.to_i}"
-    
-    return controller.send_data controller.send(:end_of_association_chain).pg_copy_to_string, :filename => "/tmp/#{name}.csv", :type => "text/csv", :disposition => 'inline'
+    controller.response_body = Enumerator.new do |y|
+      controller.send(:end_of_association_chain).pg_copy_to do |line|
+        y << line
+      end
+    end
   end
 end

lib/postgres-copy/zip_responder.rb

@@ -9,7 +9,7 @@ Gem::Specification.new do |s|
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Diogo Biazus"]
-  s.date = "2012-12-21"
+  s.date = "2013-01-21"
   s.description = "Now you can use the super fast COPY for import/export data directly from your AR models."
   s.email = "[email protected]"
   s.extra_rdoc_files = [
@@ -28,7 +28,6 @@ Gem::Specification.new do |s|
     "lib/postgres-copy.rb",
     "lib/postgres-copy/active_record.rb",
     "lib/postgres-copy/csv_responder.rb",
-    "lib/postgres-copy/zip_responder.rb",
     "postgres-copy.gemspec",
     "spec/fixtures/2_col_binary_data.dat",
     "spec/fixtures/comma_with_header.csv",