Class: Stall::AddToCartService

Inherits:
BaseService show all
Defined in:
app/services/stall/add_to_cart_service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cart, params) ⇒ AddToCartService

Returns a new instance of AddToCartService.



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# File 'app/services/stall/add_to_cart_service.rb', line 5

def initialize(cart, params)
  @cart = cart
  @params = params
end

Instance Attribute Details

#cart ⇒ Object (readonly)

Returns the value of attribute cart.



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# File 'app/services/stall/add_to_cart_service.rb', line 3

def cart
  @cart
end

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'app/services/stall/add_to_cart_service.rb', line 3

def params
  @params
end

Instance Method Details

#call ⇒ Object 



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# File 'app/services/stall/add_to_cart_service.rb', line 10

def call
  return false unless line_item_valid?

  unless assemble_identical_line_items
    cart.line_items << line_item
  end

  cart.save.tap do |saved|
    return false unless saved

    # Recalculate shipping fee if available for calculation to ensure
    # that the fee us always up to date when displayed to the customer
    shipping_fee_service.call if shipping_fee_service.available?
  end
end

#enough_stock? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/services/stall/add_to_cart_service.rb', line 30

def enough_stock?
  stock_service = Stall.config.service_for(:available_stocks).new
  stock_service.on_hand?(line_item)
end

#line_item ⇒ Object 



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# File 'app/services/stall/add_to_cart_service.rb', line 35

def line_item
  @line_item ||= sellable.to_line_item.tap do |line_item|
    line_item.quantity = line_item_params[:quantity]
  end
end

#line_item_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/services/stall/add_to_cart_service.rb', line 26

def line_item_valid?
  line_item.valid? && enough_stock?
end