Module: RailsTrade::PromoteCharge

Extended by:
ActiveSupport::Concern
Included in:
PromoteCharge
Defined in:
app/models/rails_trade/promote_charge.rb

Defined Under Namespace

Modules: CashPromoteCharge, DiscountPromoteCharge, FinalPromoteCharge, MinusPromoteCharge, PlusPromoteCharge

Constant Summary collapse

COLUMN_NAMES = 
[
  'id',
  'promote_id',
  'min',
  'max',
  'filter_min',
  'filter_max',
  'contain_min',
  'contain_max',
  'parameter',
  'base_price',
  'type',
  'metering',
  'unit',
  'created_at',
  'updated_at'
].freeze

Instance Method Summary collapse

Instance Method Details

#compute_filter_value ⇒ Object 



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# File 'app/models/rails_trade/promote_charge.rb', line 49

def compute_filter_value
  if contain_min
    self.filter_min = min
  else
    self.filter_min = min + self.class.min_step
  end
  if contain_max
    self.filter_max = max
  else
    self.filter_max = max - self.class.max_step
  end
end

#extra ⇒ Object 



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# File 'app/models/rails_trade/promote_charge.rb', line 62

def extra
  self.attributes.slice(*PromoteCharge.extra_columns)
end

#final_price(amount = 1) ⇒ Object

amount: 商品价格 return 计算后的价格



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# File 'app/models/rails_trade/promote_charge.rb', line 45

def final_price(amount = 1)
  raise 'Should Implement in Subclass'
end