Class: Tang::Coupon

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/tang/coupon.rb

Constant Summary collapse

DURATIONS = 
['once', 'repeating', 'forever']

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from_stripe(stripe_coupon) ⇒ Object 



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# File 'app/models/tang/coupon.rb', line 71

def self.from_stripe(stripe_coupon)      
  coupon = Coupon.find_or_create_by(stripe_id: stripe_coupon.id) do |c|
    c.percent_off = stripe_coupon.percent_off
    c.currency = stripe_coupon.currency
    c.amount_off = stripe_coupon.amount_off
    c.duration = stripe_coupon.duration
    c.duration_in_months = stripe_coupon.duration_in_months
    c.max_redemptions = stripe_coupon.max_redemptions
    c.redeem_by = DateTime.strptime(stripe_coupon.redeem_by.to_s, '%s') if stripe_coupon.redeem_by.present?
  end

  return coupon
end

Instance Method Details

#active_redemptions ⇒ Object 



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# File 'app/models/tang/coupon.rb', line 48

def active_redemptions
  customer_table = ActiveRecord::Base.connection.quote_table_name(Customer.table_name)
  Tang.customer_class.
       joins(:subscriptions).
       where("#{customer_table}.coupon_id = ? OR tang_subscriptions.coupon_id = ?", self.id, self.id).
       where.not(tang_subscriptions: { status: :canceled }).
       uniq
end

#coupon_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/tang/coupon.rb', line 27

def coupon_valid?
  # check if expired
  if self.redeem_by.present?
    return false if Time.now > self.redeem_by
  end

  if self.max_redemptions.present?
    # check if any discounts created
  end

  return true
end

#discount(amount) ⇒ Object 



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# File 'app/models/tang/coupon.rb', line 61

def discount(amount)
  subtotal = amount
  if self.percent_off.present?
    subtotal = amount.to_f * (self.percent_off.to_f / 100.0)
  elsif self.amount_off.present?
    subtotal = self.amount_off
  end
  return -subtotal.to_f
end

#formatted_duration ⇒ Object 



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# File 'app/models/tang/coupon.rb', line 40

def formatted_duration
  if repeating?
    "for #{duration_in_months} months"
  else
    duration
  end
end

#repeating? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/tang/coupon.rb', line 57

def repeating?
  duration == "repeating"
end