Ruby example of creating a todo and then completing it using wip.co graphql.

wip_graphql_demo.rb

# NOTE: Be sure to set the API key further down in the code!

require "net/http"
require "uri"
require "json"

class WIP
  def initialize(api_key:)
    @api_key = api_key
  end

  def create_todo(attributes = {})
    query = %{
      mutation createTodo {
        createTodo(input: {#{serialize_attributes(attributes)}}) {
          id
          body
          completed_at
        }
      }
    }
    json = make_request query
    json["data"]["createTodo"]
  end

  def complete_todo(todo_id)
    query = %{
      mutation completeTodo {
        completeTodo(id: #{todo_id}) {
          id
          body
          completed_at
        }
      }
    }
    json = make_request query
    json["data"]["completeTodo"]
  end

  private

  def make_request(query)
    uri = URI.parse("https://wip.co/graphql")
    http = Net::HTTP.new(uri.host, uri.port)
    header = {
      "Authorization": "bearer #{@api_key}",
      "Content-Type": "application/json"
    }
    request = Net::HTTP::Post.new(uri.request_uri, header)
    request.body = { query: query }.to_json

    # Send the request
    response = http.request(request)

    json = JSON.parse(response.body)
    if json.has_key? "errors"
      raise json["errors"].first["message"]
    end
    json
  end

  def serialize_attributes(attributes)
    attributes.collect do |k,v|
      "#{k}: \"#{v}\""
    end.join(", ")
  end
end

# Get your API key from wip.co/api
wip = WIP.new(api_key: "REPLACE THIS")

# Create todo
puts "Creating todo…"
todo = wip.create_todo(body:"hello test")

# The ID from the newly created todo
todo_id = todo["id"].to_i

puts "Created! ID: #{todo_id}"
puts "Todo completed_at: #{todo["completed_at"]} (empty)"

# Complete todo
puts "Completing todo with ID: #{todo_id}"
todo = wip.complete_todo(todo_id)

puts "Todo completed_at: #{todo["completed_at"]}"