0d70832f5b
User can see the total amount that he paid for the tickets and total amount spent by him on each ticket
78 lines
2.3 KiB
Ruby
78 lines
2.3 KiB
Ruby
class Ticket < ActiveRecord::Base
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belongs_to :conference
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has_many :ticket_purchases, dependent: :destroy
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has_many :buyers, -> { distinct }, through: :ticket_purchases, source: :user
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has_paper_trail meta: { conference_id: :conference_id }
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monetize :price_cents, with_model_currency: :price_currency
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# This validation is for the sake of simplicity.
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# If we would allow different currencies per conference we also have to handle convertions between currencies!
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validate :tickets_of_conference_have_same_currency
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validates :price_cents, :price_currency, :title, presence: true
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validates :price_cents, numericality: { greater_than_or_equal_to: 0 }
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def bought?(user)
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buyers.include?(user)
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end
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def tickets_paid(user)
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paid_tickets = quantity_bought_by(user, paid: true)
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unpaid_tickets = quantity_bought_by(user, paid: false)
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"#{paid_tickets}/#{paid_tickets + unpaid_tickets}"
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end
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def quantity_bought_by(user, paid: false)
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ticket_purchases.by_user(user).where(paid: paid).sum(:quantity)
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end
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def unpaid?(user)
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ticket_purchases.unpaid.by_user(user).present?
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end
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def total_price(user, paid: false)
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quantity_bought_by(user, paid: paid) * price
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end
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def self.total_price(conference, user, paid: false)
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tickets = Ticket.where(conference_id: conference.id)
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result = nil
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begin
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tickets.each do |ticket|
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price = ticket.total_price(user, paid: paid)
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if result
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result += price unless price.zero?
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else
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result = price
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end
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end
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rescue Money::Bank::UnknownRate
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result = Money.new(-1, 'USD')
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end
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result ? result : Money.new(0, 'USD')
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end
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def self.total_price_user(conference, user, paid: false)
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tickets = TicketPurchase.where(conference: conference, user: user, paid: paid)
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tickets.inject(0){ |sum, ticket| sum + (ticket.amount_paid * ticket.quantity) }
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end
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def tickets_sold
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ticket_purchases.paid.sum(:quantity)
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end
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def tickets_turnover
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tickets_sold * price
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end
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private
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def tickets_of_conference_have_same_currency
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unless Ticket.where(conference_id: conference_id).all?{|t| t.price_currency == price_currency }
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errors.add(:price_currency, 'is different from the existing tickets of this conference.')
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end
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end
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end
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