refactor(supplier_scorecard_variable): replace sql with query builder (#55164)

erpnext/buying/doctype/supplier_scorecard_variable/supplier_scorecard_variable.py

@@ -82,29 +82,25 @@ def get_item_workdays(scorecard):
 
 def get_total_cost_of_shipments(scorecard):
 	"""Gets the total cost of all shipments in the period (based on Purchase Orders)"""
-	supplier = frappe.get_doc("Supplier", scorecard.supplier)
 
-	# Look up all PO Items with delivery dates between our dates
+	from frappe.query_builder.functions import Sum
-	data = frappe.db.sql(
-		"""
-			SELECT
-				SUM(po_item.base_amount)
-			FROM
-				`tabPurchase Order Item` po_item,
-				`tabPurchase Order` po
-			WHERE
-				po.supplier = %(supplier)s
-				AND po_item.schedule_date BETWEEN %(start_date)s AND %(end_date)s
-				AND po_item.docstatus = 1
-				AND po_item.parent = po.name""",
-		{"supplier": supplier.name, "start_date": scorecard.start_date, "end_date": scorecard.end_date},
-		as_dict=0,
-	)[0][0]
 
-	if data:
+	PO = frappe.qb.DocType("Purchase Order")
-		return data
+	PO_Item = frappe.qb.DocType("Purchase Order Item")
-	else:
+
-		return 0
+	query = (
+		frappe.qb.from_(PO_Item)
+		.join(PO)
+		.on(PO_Item.parent == PO.name)
+		.select(Sum(PO_Item.base_amount))
+		.where(PO.supplier == scorecard.supplier)
+		.where(PO_Item.schedule_date[scorecard.start_date : scorecard.end_date])  # Syntaxe BETWEEN
+		.where(PO_Item.docstatus == 1)
+	)
+
+	result = query.run(as_list=True)
+	total_cost = result[0][0] if result and result[0][0] is not None else 0
+	return total_cost
 
 
 def get_cost_of_delayed_shipments(scorecard):