houdini/app/models/ticket_level.rb

# frozen_string_literal: true

# License: AGPL-3.0-or-later WITH WTO-AP-3.0-or-later
# Full license explanation at https://github.com/houdiniproject/houdini/blob/master/LICENSE
class TicketLevel < ApplicationRecord
  # :amount, #integer
  # :amount_dollars, #accessor, string
  # :name, #string
  # :description, #text
  # :quantity, #integer
  # :deleted, #bool for soft delete
  # :event_id,
  # :admin_only, #bool, only admins can create tickets for this level
  # :limit, #int: for limiting the number of tickets to be sold
  # :order #int: order in which to be displayed
  
  # TODO replace with Discard gem
  define_model_callbacks :discard

  after_discard :publish_delete

  after_create :publish_create
  after_update :publish_updated
 
  attr_accessor :amount_dollars

  has_many :tickets
  belongs_to :event

  validates :name, presence: true
  validates :event_id, presence: true

  scope :not_deleted, -> { where(deleted: [false, nil]) }

  before_validation do
    self.amount = Format::Currency.dollars_to_cents(amount_dollars) if amount_dollars.present?
    self.amount = 0 if amount.nil?
  end

  # TODO replace with discard gem
  def discard!
    run_callbacks(:discard) do
      self.deleted = true
      save!
    end
  end
  
  def to_builder(*expand)
    Jbuilder.new do |json|
      json.(self, :id, :name, :deleted, :order, :limit, :description)
      json.object 'ticket_level'
      json.amount do 
        json.value_in_cents amount || 0
        json.currency event.nonprofit.currency
      end
      json.available_to admin_only ? 'admins' : 'everyone'
      if event 
        if event.nonprofit
          if expand.include? :nonprofit
            json.nonprofit event.nonprofit.to_builder
          else
            json.nonprofit event.nonprofit.id
          end
        else 
          json.nonprofit nil
        end

        if expand.include? :event
          json.event event.to_builder
        else
          json.event event.id
        end

        if expand.include? :event_discounts
          json.event_discounts event.event_discounts do |disc|
            json.merge! disc.to_builder.attributes!
          end
        else 
          json.event_discounts event.event_discounts.pluck(:id)
        end
      end
    end
  end

  private
  def publish_create
    Houdini.event_publisher.announce(:ticket_level_created, to_event('ticket_level.created', :event, :nonprofit, :event_discounts).attributes!)
  end

  def publish_updated
    # we don't run update when we've really just discarded
    unless deleted
      Houdini.event_publisher.announce(:ticket_level_updated, to_event('ticket_level.updated', :event, :nonprofit, :event_discounts).attributes!)
    end
  end

  def publish_delete
    Houdini.event_publisher.announce(:ticket_level_deleted, to_event('ticket_level.deleted', :event, :nonprofit, :event_discounts).attributes!)
  end

  def to_event(event_type, *expand)
    Jbuilder.new do |event|
      event.id SecureRandom.uuid
      event.object 'object_event'
      event.type event_type
      event.data do 
        event.object to_builder(*expand)
      end
    end
  end
end