Module: Auth::Concerns::Shopping::CartConcern

Extended by:
ActiveSupport::Concern
Includes:
ChiefModelConcern, OwnerConcern
Included in:
Shopping::Cart
Defined in:
app/models/auth/concerns/shopping/cart_concern.rb

Overview

NEED A SEPERATE MODEL THAT IMPLEMENTS IT

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.find_cart(cart_id, resource) ⇒ Object

used in initialize vars in cart_controlller_concern. override this method to allow an admin to also interact with all the actions of the controller.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 310

def self.find_cart(cart_id,resource)
	if cart_collection = self.where(:id => cart_id, :resource_id => resource_id)
		cart_collection.size > 0 ? cart_collection.first : nil
	else
		nil
	end
end

Instance Method Details

#add_or_remove(item_ids, add_or_remove) ⇒ Object

adds a validation error if the cart items could not be successfully added or removed. called from the controller. TODO: you should change this to be called before_validation instead, so that all code remains in the model.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 279

def add_or_remove(item_ids,add_or_remove)
    item_ids.map {|id|
      begin
      	  #puts "the signed in resource is:"
      	  #puts self.signed_in_resource
      	  
	      cart_item = Auth.configuration.cart_item_class.constantize.find_self(id,self.signed_in_resource)
	      
	      cart_item.signed_in_resource = self.signed_in_resource
	      	
	      puts "Add or remove is: #{add_or_remove}"

	      resp = (add_or_remove == 1) ? cart_item.set_cart_and_resource(self) : cart_item.unset_cart
	      	
	      puts "unset cart is:#{resp.to_s}"
	      
	      
	      resp
  	  rescue Mongoid::Errors::DocumentNotFound => error
  	  	#puts "--------------------------------------------DIDNT FIND THE CART ITEM"
  	  	#puts error.to_s
  	  	#puts "--------------------------------------------"
  	  	true
  	  end
    }
    #self.errors.add(:cart_items,"some cart items could not be added or removed successfully") if ((add_remove_results.size > 1) || (add_remove_results[0] == false))  
   
end

#add_or_remove_validation ⇒ Object 



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 271

def add_or_remove_validation
	add_or_remove(add_cart_item_ids,1) if add_cart_item_ids
	add_or_remove(remove_cart_item_ids,-1) if remove_cart_item_ids
end

#as_json(options = {}) ⇒ Object 



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 267

def as_json(options={})
	super.merge({:cart_items => self.cart_items, :cart_payments => self.cart_payments, :cart_price => self.cart_price, :cart_paid_amount => self.cart_paid_amount, :cart_pending_balance => self.cart_pending_balance, :cart_credit => self.cart_credit, :cart_minimum_payable_amount => self.cart_minimum_payable_amount})
end

#can_create_discount_coupons? ⇒ Boolean

@return true/false : override to decide how the cart decides if it can create discount coupons for its contents or not. the current implementation returns true if all items have been fully paid for.

Returns:

  • (Boolean) 


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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 320

def can_create_discount_coupons?
	#return (self.cart_items.select{|c| c.accepted.nil? || c.accepted == false}.size == 0)
	puts "CAME TO CAN CREATE DISCOUNT COUPONS."
	prepare_cart

	self.cart_pending_balance == 0		

end

#debit(amount) ⇒ Object

debits the @amount from the cart credit. returns the current credit.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 212

def debit(amount)
	#puts "want to debit: #{amount}"
	#puts "current credit is: #{self.cart_credit}"
	self.cart_credit-=amount
	
	#puts "after debiting: #{self.cart_credit}"
	self.cart_credit
end

#find_cart_items ⇒ Object

set the cart items, [Array] of cart items.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 99

def find_cart_items
	conditions = {:resource_id => get_resource.id.to_s, :parent_id => self.id.to_s}
	self.cart_items = Auth.configuration.cart_item_class.constantize.where(conditions).order(:created_at => 'asc')
	
	self.cart_items
end

#fully_paid ⇒ Object

fully paid.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 229

def fully_paid
	get_cart_pending_balance == 0
end

#get_cart_credit ⇒ Object

initially is the same as cart_paid_amount, by calling debit, we can debit from credit, the costs of various items.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 206

def get_cart_credit
	self.cart_credit 
end

#get_cart_items ⇒ Object 



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 106

def get_cart_items
	self.cart_items 
end

#get_cart_paid_amount ⇒ Object

sum total of all payments made to the cart.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 152

def get_cart_paid_amount
	self.cart_paid_amount 
end

#get_cart_payments ⇒ Object 



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 133

def get_cart_payments
	self.cart_payments 
end

#get_cart_pending_balance ⇒ Object 



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 161

def get_cart_pending_balance
	self.cart_pending_balance 
end

#get_cart_price ⇒ Object 



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 116

def get_cart_price
	self.cart_price 
end

#has_items? ⇒ Boolean

checks if there are any items in the cart. expected that prepare_cart has been called in advance. return true if there is one or more items in the cart @used_in: payment_concern validation cart_not_empty

Returns:

  • (Boolean) 


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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 262

def has_items?
	get_cart_items.size > 0
end

#has_pending ⇒ Object

not fully paid, there is some amount to be taken from the customer yet.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 224

def has_pending
	get_cart_pending_balance > 0
end

#not_paid_at_all ⇒ Object

not paid a penny.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 234

def not_paid_at_all
	get_cart_pending_balance == get_cart_price
end

#prepare_cart ⇒ Object

sets all the attribute accessors of the cart. @param : a payment object can be passed in. this is used in case there is a new payment which is calling prepare_cart. in that case the new payment has to be also added to the cart_payments. this is alwasy the case when a new payment is made with a status directly set as accepted, i.e for eg a cashier makes a payment on behalf of the customer.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 78

def prepare_cart

	find_cart_items
	
	set_cart_price
	
	set_cart_payments
	
	set_cart_paid_amount
	
	set_cart_pending_balance

	set_cart_minimum_payable_amount

	set_discount

end

#prepare_receipt ⇒ Object

just replaces the cart_items with an array of cart_item_ids replaces the cart_payments with an array of cart_payment_ids then returns a hash with these two instead of the original values.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 251

def prepare_receipt
	cart_item_ids = cart_items.map{|c| c = c.id.to_s}
	cart_payment_ids = cart_payments.map{|c| c = c.id.to_s}
	receipt = self.attributes.merge({:cart_items => cart_item_ids, :cart_payments => cart_payment_ids})
	receipt
end

#refund_amount ⇒ Object

returns the amount that needs to be refunded to the customer from this cart.

Returns:

  • : 0 if the pending_balance is greater than 0,otherwise returns the pending balance.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 242

def refund_amount
	return 0 unless get_cart_pending_balance < 0
	return get_cart_pending_balance
end

#set_cart_minimum_payable_amount ⇒ Object

takes all the cart items that are not accepted, and sums their “minimum_price_required_to_accept_cart_item” methods.



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 167

def set_cart_minimum_payable_amount

	pending_or_unaccepted_cart_items = self.cart_items.select{|c| c.accepted.nil? || c.accepted == false}

	accepted_cart_items = self.cart_items.select{|c| c.accepted == true}

	if pending_or_unaccepted_cart_items.size > 0

		self.cart_minimum_payable_amount = pending_or_unaccepted_cart_items.map{|c| c = c.minimum_price_required_to_accept_cart_item}.inject(:+)

		## it can happen that he has payed somewhere halfway between the required amount and the full price of the cart -> see the tests.
		self.cart_minimum_payable_amount = self.cart_pending_balance if (self.cart_pending_balance < self.cart_minimum_payable_amount)
	
	elsif accepted_cart_items.size > 0

		self.cart_minimum_payable_amount = 0
	
	else

	end


	## we can add more stuff here like the credit score of the user.
	## so that is a function of the cart_owner.
	## so everytime a cart is fully paid, it can add to the credit score of the user, and that can further titrate this..
	## so we have discount and all this.
end

#set_cart_paid_amount ⇒ Object 



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 137

def set_cart_paid_amount
	total_paid = 0
	payments = get_cart_payments
	price = get_cart_price
	payments.each do |payment|

		total_paid += payment.amount if (payment.payment_success)
	end
	self.cart_paid_amount = total_paid
	
	self.cart_credit = self.cart_paid_amount
	self.cart_paid_amount
end

#set_cart_payments ⇒ Object 



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 121

def set_cart_payments
	self.cart_payments = []
	payments_made_to_this_cart = Auth.configuration.payment_class.constantize.find_payments(get_resource,self)
	
	payments_made_to_this_cart.each do |payment|
		
		self.cart_payments << payment
	end
	
	self.cart_payments	 
end

#set_cart_pending_balance ⇒ Object 



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 157

def set_cart_pending_balance
	self.cart_pending_balance = get_cart_price - get_cart_paid_amount
end

#set_cart_price ⇒ Object

>



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 111

def set_cart_price
	self.cart_price = total_value_of_all_items_in_cart = get_cart_items.map{|c| c = c.price*c.quantity}.sum
	self.cart_price
end

#set_discount ⇒ Object

will do first check if the discount id exists, and then if it requires



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# File 'app/models/auth/concerns/shopping/cart_concern.rb', line 196

def set_discount
	begin
		self.discount = Auth.configuration.discount_class.constantize.find(discount_id)
		
	rescue => e
		
	end
end