Stripe month to date report

month.rb

require "stripe"
require "time"

Stripe.api_key = ENV['STRIPE_KEY']

start_of_month = Time.parse(Time.now.strftime('1-%b-%Y 00:00:00 UTC'))

def created_after(object, time)
  offset = 0
  objects = object.all(count:100, offset: offset, created: { gte: time.to_i }).to_a

  while objects.size == 100
    offset += 100
    objects += object.all(count:100, offset: offset, created: { gte: time.to_i }).to_a
  end

  objects.sort_by{|o| o.created }
end

customers = created_after(Stripe::Customer, start_of_month)
week_customers = customers.group_by{|c| Time.at(c.created).utc.day / 7 }
puts "#{customers.size} new Customers"
week_customers.each do |week, customers|
  puts "  Week #{week + 1}: #{customers.size}"
end

charges = created_after(Stripe::Charge, start_of_month)
sum = charges.inject(0) {|sum, c| sum + c.amount }

week_charges = charges.group_by{|c| Time.at(c.created).utc.day / 7 }
puts "\n#{charges.size} charges ($#{"%.02f" % (sum / 100)})"
week_charges.each do |week, charges|
  sum = charges.inject(0) {|sum, c| sum + c.amount }
  puts "  Week #{week + 1}: $#{"%.02f" % (sum / 100)}"
end