Parse relation generator command line client

add_parse_relation.rb

#!/usr/bin/env ruby

# Copyright (c) 2012 Ulf Schwekendiek (sulf@me.com)
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

require 'optparse'

# This hash will hold all of the options
# parsed from the command-line by
# OptionParser.
options = {}

optparse = OptionParser.new do |opts|
  # Set a banner, displayed at the top
  # of the help screen.
  opts.banner = "Usage: add_parse_relation.rb options\n\nExample: add_parse_relation.rb -s Category -i RFGRk1kJDM -r vendors -t Vendor -o BWw44qhcl2\n\n"

  # Define the options, and what they do  
  options[:source_class] = nil
  opts.on( '-s', '--source_class CLASS', 'Set the source CLASS for you relation' ) do |source_class|
   options[:source_class] = source_class
  end

  options[:target_class] = nil
  opts.on( '-t', '--target_class CLASS', 'Set the target CLASS for you relation' ) do |target_class|
   options[:target_class] = target_class
  end

  options[:relation_name] = nil
  opts.on( '-r', '--relation_name NAME', 'Set the source object relation NAME' ) do |relation_name|
   options[:relation_name] = relation_name
  end

  options[:source_object_id] = nil
  opts.on( '-i', '--source_object_id ID', 'Set the source object ID for your source class object' ) do |source_object_id|
   options[:source_object_id] = source_object_id
  end

  options[:target_object_id] = nil
  opts.on( '-o', '--target_object_id ID', 'Set the target object ID for your target class object' ) do |target_object_id|
   options[:target_object_id] = target_object_id
  end

  options[:application_id] = nil
  opts.on( '-a', '--application_id ID', 'Set the parse application ID' ) do |application_id|
   options[:application_id] = application_id
  end

  options[:rest_api_key] = nil
  opts.on( '-k', '--rest_api_key API_KEY', 'Set the parse API_KEY' ) do |rest_api_key|
   options[:rest_api_key] = rest_api_key
  end

  # This displays the help screen, all programs are
  # assumed to have this option.
  opts.on( '-h', '--help', 'Display this screen' ) do
   puts opts
   exit
  end
end
 
 # Parse the command-line. Remember there are two forms
 # of the parse method. The 'parse' method simply parses
 # ARGV, while the 'parse!' method parses ARGV and removes
 # any options found there, as well as any parameters for
 # the options. What's left is the list of files to resize.
 optparse.parse!
 
 # Example
 # =======
 # add_parse_relation.rb -s Category -i RFGRk1kJDM -r vendors -t Vendor -o BWw44qhcl2 -k kp4koVNHABeMe8v8CVKA9yRDSpLrOrrGJkjJ9Jri -a Ln1wRxMKmeH9Qkq8jKnGcUSP2l5kRTzrbvY3wAnc

puts `curl -X PUT -H "X-Parse-Application-Id: #{options[:application_id]}" -H "X-Parse-REST-API-Key: #{options[:rest_api_key]}" -H "Content-Type: application/json" -d '{"#{options[:relation_name]}":{"__op":"AddRelation","objects":[{"__type":"Pointer","className":"#{options[:target_class]}","objectId":"#{options[:target_object_id]}"}]}}' https://api.parse.com/1/classes/#{options[:source_class]}/#{options[:source_object_id]}`