Class: SpecialOffer

Inherits:
Ruleby::Rulebook
  • Object
show all
Defined in:
lib/special_offer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#cart=(value) ⇒ Object (writeonly)

Sets the attribute cart

Parameters:

  • value —

    the value to set the attribute cart to.



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# File 'lib/special_offer.rb', line 3

def cart=(value)
  @cart = value
end

#current_rules=(value) ⇒ Object (writeonly)

Sets the attribute current_rules

Parameters:

  • value —

    the value to set the attribute current_rules to.



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# File 'lib/special_offer.rb', line 3

def current_rules=(value)
  @current_rules = value
end

#free_product_ids=(value) ⇒ Object (writeonly)

Sets the attribute free_product_ids

Parameters:

  • value —

    the value to set the attribute free_product_ids to.



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# File 'lib/special_offer.rb', line 3

def free_product_ids=(value)
  @free_product_ids = value
end

#selected_products=(value) ⇒ Object (writeonly)

Sets the attribute selected_products

Parameters:

  • value —

    the value to set the attribute selected_products to.



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# File 'lib/special_offer.rb', line 3

def selected_products=(value)
  @selected_products = value
end

Instance Method Details

#apply_discount_on_product(special_offer, product) ⇒ Object 



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# File 'lib/special_offer.rb', line 52

def apply_discount_on_product(special_offer,product)
  return unless special_offer and product
  if rate = special_offer.variables[:discount]
    options = { :voucher_discount => false, :special_offer_discount => false }
    discount_price = special_offer.variables[:fixed_discount] ? rate : (product.price(options) * rate).to_f / 100
    product.special_offer_discount_price = discount_price
    special_offer.variables[:fixed_discount] ? product.special_offer_discount = "-#{rate}" : product.special_offer_discount = "-#{rate}%"
  end
end

#eval_rule(special_offer) ⇒ Object 



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# File 'lib/special_offer.rb', line 23

def eval_rule(special_offer)
  rule eval(special_offer.conditions) do |context|
    product = context[:product]

    if @cart
      # Free products  --cart and product_in_cart
      special_offer.variables[:product_ids].each do |product_id|
        @free_product_ids << product_id
      end if special_offer.variables[:product_ids]

      # Discount cart total price  --cart
      if rate = special_offer.variables[:cart_discount]
        options = {:cart_voucher_discount => false, :cart_special_offer_discount => false, :product_voucher_discount => false, :product_special_offer_discount => false}
        discount_price = special_offer.variables[:fixed_discount] ? rate : (@cart.total(options) * rate).to_f / 100
        @cart.special_offer_discount_price = discount_price
        special_offer.variables[:fixed_discount]? @cart.special_offer_discount = "-#{rate}" : @cart.special_offer_discount = "-#{rate}%"
      end

      # Free delivery
      @cart.free_shipping = true if special_offer.variables[:shipping]
    end

    # Product in Shop
    apply_discount_on_product(special_offer,product)
    @selected_products << product if @selected_products.kind_of?(Array) or @selected_products.kind_of?(Set)
    retract product if product
  end
end

#rule_preview(rule_preview) ⇒ Object 



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# File 'lib/special_offer.rb', line 13

def rule_preview(rule_preview)
  if rule_preview.is_a?(SpecialOfferRule)
    rule eval(rule_preview.conditions) do |context|
      product = context[:product]
      @selected_products << product.id
      retract product
    end
  end
end

#rules ⇒ Object 



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# File 'lib/special_offer.rb', line 5

def rules
  #OPTIMIZE
  @current_rules ||= SpecialOfferRule.find_all_by_active(true)
  @current_rules.each do |special_offer|
    eval_rule(special_offer)
  end
end