Justinaquino: "Add all 14 Frappe ERPNext Webshop chapter pages from wikitext-upload"

2026-03-06T13:00:42Z

"Add all 14 Frappe ERPNext Webshop chapter pages from wikitext-upload"

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= 09 - Hooks & Events =

'''Parent:''' [Webshop-Index Webshop Index]
'''Previous:''' [Webshop-08-Templates-and-Frontend 08 - Templates & Frontend]
'''Next:''' [Webshop-10-Feature-Gap-Cart-Discounts 10 - Feature Gap: Cart Discounts]
'''Source:''' [https://github.com/Comfac-Global-Group/comfac-webshop/wiki/09-Hooks-and-Events Comfac Webshop Wiki - Chapter 09]

----

== App Hooks (<code>webshop/hooks.py</code>) ==

<pre>python
= Installation =
after_install = "webshop.setup.install.after_install"

= Session Management =
on_logout = "webshop.webshop.shopping_cart.utils.clear_cart_count"
on_session_creation = [
"webshop.webshop.utils.portal.update_debtors_account",
"webshop.webshop.shopping_cart.utils.set_cart_count",
]

= Website Context =
update_website_context = [
"webshop.webshop.shopping_cart.utils.update_website_context",
]

= DocType Overrides =
override_doctype_class = {
"Payment Request": "webshop.webshop.doctype.override_doctype.payment_request.PaymentRequest",
"Item Group": "webshop.webshop.doctype.override_doctype.item_group.WebshopItemGroup",
"Item": "webshop.webshop.doctype.override_doctype.item.WebshopItem",
}

= DocType Events =
doc_events = {
"Item": {
"on_update": [
"webshop.webshop.crud_events.item.update_website_item.execute",
"webshop.webshop.crud_events.item.invalidate_item_variants_cache.execute",
],
"before_rename": [
"webshop.webshop.crud_events.item.validate_duplicate_website_item.execute",
],
"after_rename": [
"webshop.webshop.crud_events.item.invalidate_item_variants_cache.execute",
],
},
"Quotation": {
"validate": [
"webshop.webshop.crud_events.quotation.validate_shopping_cart_items.execute",
],
},
"Price List": {
"validate": [
"webshop.webshop.crud_events.price_list.check_impact_on_cart.execute"
],
},
"Tax Rule": {
"validate": [
"webshop.webshop.crud_events.tax_rule.validate_use_for_cart.execute",
],
},
}

= Website Generators =
website_generators = ["Website Item", "Item Group"]

= Website Permissions =
has_website_permission = {
"Website Item": "webshop.webshop.doctype.website_item.website_item.has_website_permission_for_website_item",
"Item Group": "webshop.webshop.doctype.website_item.website_item.has_website_permission_for_item_group"
}
<pre>

== CRUD Events ==

'''Item Events''' (<code>webshop/webshop/crud_events/item/</code>):

- <code>update_website_item.execute</code> - Sync Item → Website Item
- <code>invalidate_item_variants_cache.execute</code> - Clear variant cache on save/rename
- <code>validate_duplicate_website_item.execute</code> - Prevent duplicate web items

'''Quotation Events''' (<code>webshop/webshop/crud_events/quotation/</code>):

- <code>validate_shopping_cart_items.execute</code> - Validate cart items on save

'''Price List Events''' (<code>webshop/webshop/crud_events/price_list/</code>):

- <code>check_impact_on_cart.execute</code> - Check if price list changes affect cart

'''Tax Rule Events''' (<code>webshop/webshop/crud_events/tax_rule/</code>):

- <code>validate_use_for_cart.execute</code> - Validate tax rules for cart usage

----

'''Navigation:''' [Webshop-Index Webshop Index] | [Webshop-08-Templates-and-Frontend Previous: 08 - Templates & Frontend] | [Webshop-10-Feature-Gap-Cart-Discounts Next: 10 - Feature Gap: Cart Discounts]

Webshop-09-Hooks-and-Events - Revision history

Justinaquino: "Add all 14 Frappe ERPNext Webshop chapter pages from wikitext-upload"