dw.order.hooks
Class CalculateHooks
dw.order.hooks.CalculateHooks
This interface represents all script hooks that can be registered to customize the order and basket calculation
functionality. It contains the extension points (hook names), and the functions that are called by each extension
point. A function must be defined inside a JavaScript source and must be exported. The script with the exported hook
function must be located inside a site cartridge. Inside the site cartridge a 'package.json' file with a 'hooks'
entry must exist.
"hooks": "./hooks.json"The hooks entry links to a json file, relative to the 'package.json' file. This file lists all registered hooks inside the hooks property:
"hooks": [
{"name": "dw.order.calculate", "script": "./calculate.js"}
]
A hook entry has a 'name' and a 'script' property.
- The 'name' contains the extension point, the hook name.
- The 'script' contains the script relative to the hooks file, with the exported hook function.
Constants
extensionPointCalculate
:
String = "dw.order.calculate"
The extension point name dw.order.calculate.
extensionPointCalculateShipping
:
String = "dw.order.calculateShipping"
The extension point name dw.order.calculateShipping.
extensionPointCalculateTax
:
String = "dw.order.calculateTax"
The extension point name dw.order.calculateTax.
Properties
Constructor Summary
This class does not have a constructor, so you cannot create it directly.
Method Summary
calculate(lineItemCtnr
:
LineItemCtnr)
:
Status
The function is called by extension point extensionPointCalculate.
calculateShipping(lineItemCtnr
:
LineItemCtnr)
:
Status
The function is called by extension point extensionPointCalculateShipping.
calculateTax(lineItemCtnr
:
LineItemCtnr)
:
Status
The function is called by extension point extensionPointCalculateTax.
Method Detail
calculate
The function is called by extension point extensionPointCalculate. It provides a single place for
the line item container calculation.
To provide a fallback for existing implementations, the default implementation calls the hook dw.ocapi.shop.basket.calculate. However, this hook is deprecated, and calling it will create entries in the deprecated API usage logs. You should override this function to use dw.order.calculate instead.
If you provide your own implementation, you should provide and use the following hooks. Best practice is to use the hook manager to retrieve them in the calculate hook, and avoid calling them directly.
- extensionPointCalculateTax for tax calculation
- extensionPointCalculateShipping for shipping calculation
Parameters:
lineItemCtnr
-
the line item container to be (re)calculated.
calculateShipping
The function is called by extension point extensionPointCalculateShipping. It provides a single
place for shipping calculation during the line item container calculation.
Parameters:
lineItemCtnr
-
the line item container to be (re)calculated.
calculateTax
The function is called by extension point extensionPointCalculateTax. It provides a single place
for tax calculation during the line item container calculation.
Parameters:
lineItemCtnr
-
the line item container to be (re)calculated.
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