ashishwadekar

# gem "prawn", "0.8.4"
# Sometime there is no enough space for the last table row when it reaches the end of page

Prawn::Document.generate("text_group_overflow_question.pdf") do |pdf|
  add_page_break_if_overflow(pdf) do |pdf|
    # generating table here
    # ...
  end
end

ashishwadekar

class Ticket < ActiveRecord::Base
  belongs_to :grouper
  belongs_to :user

  validate :user_cant_be_blacklisted, on: :confirmation
  validate :user_cant_double_book, on: :confirmation

  validate :grouper_cant_be_full, on: :confirmation
  validate :grouper_cant_have_occurred, on: :confirmation