Open-Source-Access-Control-.../app/models/ipn.rb
2014-02-09 00:56:48 -07:00

96 lines
2.8 KiB
Ruby
Executable File

require 'net/http'
class Ipn < ActiveRecord::Base
attr_accessible :data
belongs_to :payment
after_create :create_payment
def date_parsed
begin
Date.strptime(self.payment_date, "%H:%M:%S %b %e, %Y %Z")
rescue
Date.new
end
end
def self.new_from_dynamic_params(params)
ipn = Ipn.new()
ipn.attributes.each do |c|
unless params[c.first.to_sym].nil?
ipn[c.first.to_sym] = params[c.first.to_sym]
end
end
return ipn
end
# Post back to Paypal to make sure it's valid
def validate!
uri = URI.parse('https://www.paypal.com/cgi-bin/webscr?cmd=_notify-validate')
http = Net::HTTP.new(uri.host, uri.port)
http.open_timeout = 60
http.read_timeout = 60
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
http.use_ssl = true
response = http.post(uri.request_uri, self.data,
'Content-Length' => "#{self.data.size}",
'User-Agent' => "Ruby on Rails"
).body
unless ["VERIFIED", "INVALID"].include?(response)
Rails.logger.error "Faulty paypal result: #{response}"
return false
end
unless response == "VERIFIED"
Rails.logger.error "Invalid IPN: #{response}"
Rails.logger.error "Data: #{self.data}"
return false
end
return true
end
def link_payment
create_payment
end
private
def create_payment
# find user by email, then by payee
user = User.where("lower(email) = ?", self._from_email_address.downcase).first
user = User.where("lower(payee) = ?", self._from_email_address.downcase).first if user.nil? && self._from_email_address.present?
# Only create payments if the IPN matches a member
if user.present?
# And is a payment (not a cancellation, etc)
payment_types = ["subscr_payment","send_money"]
if payment_types.include?(self.txn_type)
# And a member level
if User.member_levels[self.payment_gross.to_i].present?
payment = Payment.new
payment.date = Date.strptime(self.payment_date, "%H:%M:%S %b %e, %Y %Z")
payment.user_id = user.id
payment.amount = self.payment_gross
if payment.save
self.payment_id = payment.id
self.save!
else
return [false, "Unable to link payment. Payment error: #{payment.errors.full_messages.first}"]
end
else
return [false, "Unable to link payment. Couldn't find membership level '#{self.payment_gross.to_i}'."]
end
else
return [false, "Unable to link payment. Transaction is a '#{self.txn_type}' instead of '#{payment_types.inspect}'."]
end
else
return [false, "Unable to link payment. Couldn't find user/payee '#{self.payer_email}'."]
end
return [true]
end
end