httparty post json array to Aptly

exampe_json_array_to_aptly_api

#!/bin/ruby

include HTTParty

fields = []
fields << {"Name" => "rocksoftware22", "Component" => "precise4"}
fields << {"Name" => "rocksoftware", "Component" => "precise5"}

params_hash ={}
params_hash[:Sources] = fields
params_hash[:SourceKind] = "local"
params_hash[:Distribution] = "binary1"
params_hash.to_json

@result = HTTParty.post("http://127.0.0.1:8082/api/publish", :headers => {'Content-Type'=>'application/json'}, :body => params_hash.to_json,)


#root@vagrant-ubuntu-precise-64:~# aptly publish list
#Published repositories:
#  * ./binary1 [amd64, i386] publishes {precise4: [rocksoftware22]}, {precise5: [rocksoftware]}

The line 13 does nothing as to_json returns, not modifies