feat: show transporter address in sales invoice (#23731)

* feat: show transporter address in sales invoice

* feat: multiple transporter address

* fix: update all eway-bill fields

* fix: travis

* fix: travis

* fix: travis

* fix: travis

* fix: travis

Co-authored-by: Nabin Hait <nabinhait@gmail.com>

erpnext/regional/india/utils.py

@@ -12,6 +12,7 @@ from erpnext.regional.india import number_state_mapping
 from six import string_types
 from erpnext.accounts.general_ledger import make_gl_entries
 from erpnext.accounts.utils import get_account_currency
+from frappe.contacts.doctype.address.address import get_address_display
 from frappe.model.utils import get_fetch_values
 
 def validate_gstin_for_india(doc, method):
@@ -137,6 +138,30 @@ def get_itemised_tax_breakup_data(doc, account_wise=False):
 def set_place_of_supply(doc, method=None):
 	doc.place_of_supply = get_place_of_supply(doc, doc.doctype)
 
+def set_transporter_address(doc, method=None):
+	country = frappe.get_cached_value('Company', doc.company, 'country')
+	if country != 'India':
+		return
+
+	if doc.get("transporter_address"):
+		# once supplier is set, address can be selected from multiple transporter addresses
+		doc.transporter_address_display = get_address_display(doc.get("transporter_address"))
+		return
+
+	transporter_address = frappe.db.get_value("Dynamic Link", {
+		'link_doctype': 'Supplier',
+		'link_name': doc.get('transporter'),
+		'parenttype': 'Address'
+	}, "parent")
+
+	if not transporter_address:
+		doc.transporter_address = ""
+		doc.transporter_address_display = ""
+		return
+
+	doc.transporter_address = transporter_address
+	doc.transporter_address_display = get_address_display(transporter_address)
+
 # don't remove this function it is used in tests
 def test_method():
 	'''test function'''