Improvise and fix indicators in Portal list (#15552)

diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index d085d2a..d730e88 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -4,7 +4,7 @@
 from __future__ import unicode_literals
 import frappe, erpnext
 import frappe.defaults
-from frappe.utils import cint, flt, add_months, today, date_diff, getdate, add_days, cstr
+from frappe.utils import cint, flt, add_months, today, date_diff, getdate, add_days, cstr, nowdate
 from frappe import _, msgprint, throw
 from erpnext.accounts.party import get_party_account, get_due_date
 from erpnext.controllers.stock_controller import update_gl_entries_after
@@ -54,9 +54,18 @@
 
 	def set_indicator(self):
 		"""Set indicator for portal"""
-		if self.outstanding_amount > 0:
+		if cint(self.is_return) == 1:
+			self.indicator_title = _("Return")
+			self.indicator_color = "darkgrey"
+		elif self.outstanding_amount > 0 and getdate(self.due_date) >= getdate(nowdate()):
 			self.indicator_color = "orange"
 			self.indicator_title = _("Unpaid")
+		elif self.outstanding_amount > 0 and getdate(self.due_date) < getdate(nowdate()):
+			self.indicator_color = "red"
+			self.indicator_title = _("Overdue")
+		elif self.outstanding_amount < 0:
+			self.indicator_title = _("Credit Note Issued")
+			self.indicator_color = "darkgrey"
 		else:
 			self.indicator_color = "green"
 			self.indicator_title = _("Paid")
diff --git a/erpnext/templates/pages/order.html b/erpnext/templates/pages/order.html
index 712eefd..74c9da0 100644
--- a/erpnext/templates/pages/order.html
+++ b/erpnext/templates/pages/order.html
@@ -19,8 +19,9 @@
 
 <div class="row transaction-subheading">
 	<div class="col-xs-6">
+
 		<span class="indicator {{ doc.indicator_color or ("blue" if doc.docstatus==1 else "darkgrey") }}">
-			{{ _(doc.indicator_title) or _(doc.status) or _("Submitted") }}
+			{{ _(doc.get('indicator_title')) or _(doc.status) or _("Submitted") }}
 		</span>
 	</div>
 	<div class="col-xs-6 text-muted text-right small">