patch for credit days in Supplier Type

erpnext/patches/v8_10/change_default_supplier_type_credit_days.py

@@ -0,0 +1,39 @@
+import frappe
+from patches.v8_10.change_default_customer_credit_days import make_payment_term, make_template
+
+
+def execute():
+	payment_terms = []
+	supplier_types = []
+
+	credit_days = frappe.db.sql(
+		"SELECT DISTINCT `credit_days`, `credit_days_based_on`, `supplier_type` from "
+		"`tabSupplier Type` where credit_days_based_on='Fixed Days' or "
+		"credit_days_based_on='Last Day of the Next Month'")
+
+	records = ((record[0], record[1], record[2]) for record in credit_days)
+
+	for days, based_on, supplier_type in records:
+		if based_on == "Fixed Days":
+			pyt_term_name = 'N{0}'.format(days)
+		else:
+			pyt_term_name = 'EO2M'
+
+		if not frappe.db.exists("Payment Term", pyt_term_name):
+			payment_term = make_payment_term(days, based_on)
+			make_template(payment_term)
+		else:
+			payment_term = frappe.get_doc("Payment Term", pyt_term_name)
+
+		payment_terms.append('WHEN `supplier_name`="%s" THEN "%s"' % (supplier_type, payment_term.payment_term_name))
+		supplier_types.append(supplier_type)
+
+	begin_query_str = "UPDATE `tabSupplier` SET `payment_terms` = CASE "
+	value_query_str = " ".join(payment_terms)
+	cond_query_str = " ELSE `payment_terms` END WHERE "
+
+	if supplier_types:
+		frappe.db.sql(
+			begin_query_str + value_query_str + cond_query_str + '`supplier_name` IN %s',
+			(supplier_types,)
+		)