Class: ShopBunny::Coupon

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

Constant Summary collapse

InvalidEvent = 
Class.new(NoMethodError)

Instance Method Summary collapse

Instance Method Details

#activate! ⇒ Object

Raises:



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# File 'app/models/shop_bunny/coupon.rb', line 36

def activate!
  raise InvalidEvent unless state == 'inactive'
  self.state = 'active'
  save!
end

#expired? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/shop_bunny/coupon.rb', line 16

def expired?
  not_yet_valid? || has_expired?
end

#has_expired? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/shop_bunny/coupon.rb', line 24

def has_expired?
  Time.now > self.valid_until if self.valid_until 
end

#not_yet_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/shop_bunny/coupon.rb', line 20

def not_yet_valid?
  Time.now < self.valid_from if self.valid_from 
end

#redeem! ⇒ Object

Raises:



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# File 'app/models/shop_bunny/coupon.rb', line 42

def redeem!
  raise InvalidEvent unless redeemable?
  self.state = 'redeemed'
  save!
end

#redeemable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/shop_bunny/coupon.rb', line 32

def redeemable?
  !not_yet_valid? && !has_expired? && state == 'active' && !used_up?
end

#used_up? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/shop_bunny/coupon.rb', line 28

def used_up?
  max_uses && max_uses <= coupon_uses.count
end