from __future__ import unicode_literals
import frappe

def execute():
	purchase_receipts = frappe.db.sql("""
		SELECT
			 parent from `tabPurchase Receipt Item`
		WHERE
			material_request is not null
			AND docstatus=1
		""",as_dict=1)

	purchase_receipts = set([d.parent for d in purchase_receipts])

	for pr in purchase_receipts:
		doc = frappe.get_doc("Purchase Receipt", pr)
		doc.status_updater = [
			{
			'source_dt': 'Purchase Receipt Item',
			'target_dt': 'Material Request Item',
			'join_field': 'material_request_item',
			'target_field': 'received_qty',
			'target_parent_dt': 'Material Request',
			'target_parent_field': 'per_received',
			'target_ref_field': 'stock_qty',
			'source_field': 'stock_qty',
			'percent_join_field': 'material_request'
			}
		]
		doc.update_qty()
