Added more notes for Sales

Author: Colin Murphy

9.Sales & Customers/1. Sales/2. Card operations (capturing and authorization).md

@@ -115,6 +115,8 @@ In the sales_flat invoice tables.
 
 # Further Reading
 
--[http://magecert.com/sales.html](http://magecert.com/sales.html)
--  [http://brideo.co.uk/magento-certification-notes/request-flow/Sales/](http://brideo.co.uk/magento-certification-notes/request-flow/Sales/	)
-- [http://inchoo.net/magento/magento-quote-order-invoice-workflow/](http://inchoo.net/magento/magento-quote-order-invoice-workflow/)[]
+- [http://magecert.com/sales.html](http://magecert.com/sales.html)
+- [http://brideo.co.uk/magento-certification-notes/request-flow/Sales/](http://brideo.co.uk/magento-certification-notes/request-flow/Sales/	)
+
+- [http://stackoverflow.com/questions/5366551/magento-payment-flow](http://stackoverflow.com/questions/5366551/magento-payment-flow)
+- [http://inchoo.net/magento/magento-quote-order-invoice-workflow/](http://inchoo.net/magento/magento-quote-order-invoice-workflow/)

9.Sales & Customers/3. Additional Notes/Answers.md

@@ -92,3 +92,80 @@ Processing.
 ## If an order is complete, can it be refunded (credit memo)
 
 No. If the order has been shipped it can't be refunded.
+
+# Card Authorization and Capture
+
+## Which class is responsible for capturing funds
+
+The payment method which is called by the invoice class
+
+## When are invoices created
+
+When an order is billed or in admin.
+
+## What class is the payment class
+
+Mage_Sales_Model_Order_Payment
+
+## Whats the difference between authorize and capture
+
+1. Authorize - It checks the funds and informs the payment service to block those funds from being used.
+2. Capture - This captures the funds.
+
+## What are the different types of captures
+
+Online & Offline Capture.
+
+## How would a custom payment gateway authorize and capture funds
+
+Using the methods authorize and capture providing their properties have been set to true.
+
+
+# 5. Credit Memos
+
+
+# What state is an order set to after being refunded
+
+Closed.
+
+# When can an order not be refunded?
+
+When the order is complete and the payment method does not allow refunds.
+
+# How does Magento process taxes when refunding an order?
+
+It basis it off admin tax origin.
+
+# How does Magento process shipping fees when refunding an order?
+
+Handled by the Credit Memo model when calculating different totals.
+
+# What is the difference between online and offline refunding?
+
+Offline refunds refund the order on Magento without actually taking care of the refund transaction. Whereas online does both.
+
+# What is the role of the credit memo total models in Magento?
+
+Credit memo totals keep a track on how much is refunded per total.
+
+# 6. Cancelled Orders
+
+## When can an order be cancelled
+
+1. Payment method allows for the order to be void e.g. the property *$_canVoid*
+2. If all items have not been invoiced
+3. If the order is not cancelled, complete or closed
+4. Or if the order is not already flagged as cancelled
+
+
+# 7. Partial Order Operations
+
+## What are the different types
+
+1. Order
+2. Invoice
+3. Shipping
+
+## How do they affect the state of an order
+
+They set the order state to processing.

9.Sales & Customers/3. Additional Notes/Questions.md

@@ -6,6 +6,7 @@
 - How does Magento calculate price when an order is created from the admin
 - Which steps are necessary in order to create an order from the admin?
 - What happens when existing orders are edited in the admin?
+- Describe the differences in order creation between the frontend and the admin?
 
 # 2. Order Status & State
 
@@ -18,3 +19,31 @@
 - If an order is complete, can it be refunded (credit memo)
 
 # 3. Fieldsets
+
+# 4. Card Authorization and Capture
+
+- Which class is responsible for capturing funds
+- What class is responsible for creating an invoice
+- What class is the payment class
+- Whats the difference between authorize and capture
+- When are invoices created
+- What are the different types of captures
+- How would a custom payment gateway authorize and capture funds
+
+# 5. Credit Memos
+
+- What state is an order set to after being refunded.
+- When can an order not be refunded?
+- How does Magento process taxes when refunding an order?
+- How does Magento process shipping fees when refunding an order?
+- What is the difference between online and offline refunding?
+- What is the role of the credit memo total models in Magento?
+
+# 6. Cancelled Orders
+
+- When can an order be cancelled
+
+# 7. Partial Order Operations
+
+- What are the different types
+- How do they affect the state of an order