a script to help automate adding or updating discount codes for multiple events

eventbrite-multi-discount.rb

#!/usr/bin/ruby
#
#   This work is licensed under a Creative Commons Attribution 3.0 Unported License.
#   http://creativecommons.org/licenses/by/3.0/
#
#   With some slight modifications, this script should create
#   a new discount code for each of the 'live' events which are 
#   owned by the user (who is identified by the user_key value).
#
#   See the above license info and Eventbrite API terms for usage limitations.
#
#   @ryanjarvinen / ryanj@eventbrite.com
#
# Resources:
# http://developer.eventbrite.com
# http://eventbrite.github.com
# http://developer.eventbrite.com/terms/
# http://developer.yahoo.com/ruby/ruby-rest.html
# http://www.ruby-doc.org/stdlib/libdoc/net/http/rdoc/index.html

#require our dependent gems
require 'net/http'
require 'uri'
require 'json'

# Set up our authentication tokens -
# for more info see: http://developer.eventbrite.com/doc/auth/
# set your API key (a.k.a. application key), available here: http://www.eventbrite.com/api/key/
# and your user_key - available here: http://www.eventbrite.com/userkeyapi
auth_parameters = {
  #'app_key'  => 'YOUR_APP_KEY_HERE',
  #'user_key' => 'YOU_USER_KEY_HERE'
}

# define our basic API request paths - 
# http://developer.eventbrite.com/doc/users/user_list_events/
user_list_events_path = '/json/user_list_events?'
# http://developer.eventbrite.com/doc/discount/discount_new/
discount_new_path = '/json/discount_new?'
# http://developer.eventbrite.com/doc/discount/discount_update/ 
discount_update_path = '/json/discount_update?'

# apply a filter to the user_list_events API request -
# find all the 'live' events owned by this user...
#   Other available request parameters are described here: 
#   http://developer.eventbrite.com/doc/users/user_list_events/
user_list_events_parameters = {
  'event_statuses' => 'live'
}

# skip over some events where the discount should not be available?
excluded_event_ids = [1575246602, 1575246603]

# Discount code details (same for each live event, please edit this to match your needs):
# see http://developer.eventbrite.com/doc/discount/discount_new/ for more info
discount_parameters = {
  # specify the discount code:
  'code'               => 'early_bird',
  # you must choose either amount_off OR percent_off, but not both
  #'amount_off'         => '5.00', 
  'percent_off'         => '25.0',
  # A comma-separated list of ticket_ids to apply the discount to.
  # If this is left blank, the discount will apply to all tickets in this event
  #'tickets'            => '',
  # Maximum number of times that this discount can be used.  if omitted, there will be no limit.
  #'quantity_available' => '',
  # The discount start date and time
  #'start_date'         => ,
  # The discount end date and time
  #'end_date'           => ''
}

#initialize our http object, for contacting the API
http = Net::HTTP.new('www.eventbrite.com', 443)
http.use_ssl=true

#make our API request - 
print "\nFinding events...\n"
list_events_params = auth_parameters.update(user_list_events_parameters).collect {|k, v| "#{k}=#{v}"}.join('&')
response = http.request_get( URI.escape( user_list_events_path + list_events_params ))
#parse our JSON response data...
events_list = JSON.parse( response.body )

discount_params = auth_parameters.update(discount_parameters).collect {|k, v| "#{k}=#{v}"}.join('&')
print "\nApplying discounts...\n"
for event in events_list['events']
  if excluded_event_ids && !excluded_event_ids.include?( event['event']['id'] )
    # adding a new discount code to the following event:
    print "\nAdding discount for event: \"" + event['event']['title'] + "\", event_id: " + event['event']['id'].to_s + "\n"

    response = http.request_get( URI.escape( discount_new_path + discount_params + "&event_id="+ event['event']['id'].to_s ))
    print JSON.parse(response.body)
    print "\n"
  end
end