Converting curl to ruby equivalent

Question

I'm having trouble converting a curl to a ruby script. Basically I'm trying to consume the parse.com RESTful api. Here is the curl

curl -X POST \
-H "X-Parse-Application-Id: XXX" \
-H "X-Parse-REST-API-Key: YYY" \
-H "Content-Type: application/json" \
-d '{
   "channels": [
     "Giants",
     "Mets"
   ],
   "data": {
     "alert": "test message"
   }
 }' \
 https://api.parse.com/1/push

And this Is what I've been trying to do (using HttParty)

puts "hello world"

require 'httparty'

require 'json'

class Parse
    include HTTParty
    base_uri "api.parse.com:443"
    headers "X-Parse-Application-Id" => "XXX", "X-Parse-REST-API-Key" =>  "YYY", "Content-Type" => "application/json"

end

option = {:channels => "Giants", :data => {:alert => "un mensaje de mierda"}}
puts Parse.post("/1/push", body: option.to_json)

)

I'm getting an error code 107 saying invalid json. Any suggestions will be appreciated.

Why not use the Curb gem? It's a Ruby interface to curl's library. — the Tin Man
– the Tin Man, Commented Mar 14, 2013 at 7:21
Your channels value is not an array as it is in your curl request - may be that the service is expecting one and is throwing a really badly worded error as a result — user684934
– user684934, Commented Mar 15, 2013 at 3:53

Neil Slater · Accepted Answer · 2013-03-14 08:36:36Z

1

I think you just need to serialise the ruby structure to JSON in the second param. The param should be the string to POST, not a Ruby struct.

I think this will work (only other possible problem I can see is whether you'll connect via https as the code is written):

data = {"channels": ['Giants'], "data": {alert: 'un mensaje '}}
puts Parse.post("/1/push", body: data.to_json)

. . . the JSON-like format in the Ruby data structure is not JSON,

foo: "bar"

is just another Ruby (1.9+) way of saying

:foo => "bar"

edited Mar 14, 2013 at 8:36

answered Mar 14, 2013 at 8:07

Neil Slater

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2 Comments

fernandohur Over a year ago

I edited the comment. I add the port 443 so it could pass over SSL but, still having problem with invalid json

Neil Slater Over a year ago

Your Ruby structure now isn't the same as the one in the curl example. Try putting square brackets around "Giants" e.g. ["Giants"], to make it an array.

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