From 7bc159a9173c213f14b9455e981844ffaadd2709 Mon Sep 17 00:00:00 2001
From: Mahasri Kalavala <skalavala@users.noreply.github.com>
Date: Fri, 2 Nov 2018 13:05:21 -0400
Subject: [PATCH 1/3] added additional filters

Added base64_encode, base64_decode and ordinal filters.
---
 homeassistant/helpers/template.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/homeassistant/helpers/template.py b/homeassistant/helpers/template.py
index 66f289724befe6..970640648d7847 100644
--- a/homeassistant/helpers/template.py
+++ b/homeassistant/helpers/template.py
@@ -4,6 +4,7 @@
 import logging
 import math
 import random
+import base64
 import re
 
 import jinja2
@@ -602,6 +603,23 @@ def bitwise_or(first_value, second_value):
     return first_value | second_value
 
 
+def base64_encode(value):
+    """Perform base64 encode."""
+    return base64.b64encode(value.encode('utf-8')).decode('utf-8')
+
+
+def base64_decode(value):
+    """Perform base64 denode."""
+    return base64.b64decode(value).decode('utf-8')
+
+
+def ordinal(value):
+    """Perform ordinal conversion."""
+    return str(value) + (list(['th', 'st', 'nd', 'rd'] + ['th'] * 6)
+                         [(int(str(value)[-1])) % 10] if not
+                         int(str(value)[-2:]) % 100 in range(11, 14) else 'th')
+
+
 @contextfilter
 def random_every_time(context, values):
     """Choose a random value.

From fac33efa33a87c39d8d4e98a176e35046afbc58d Mon Sep 17 00:00:00 2001
From: Mahasri Kalavala <skalavala@users.noreply.github.com>
Date: Fri, 2 Nov 2018 13:11:35 -0400
Subject: [PATCH 2/3] added test cases

added test cases for base64_encode, base64_decode and ordinal filters.
---
 tests/helpers/test_template.py | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/tests/helpers/test_template.py b/tests/helpers/test_template.py
index 573a9f78b72f72..02331c400d3677 100644
--- a/tests/helpers/test_template.py
+++ b/tests/helpers/test_template.py
@@ -274,6 +274,37 @@ def test_max(self):
             template.Template('{{ [1, 2, 3] | max }}',
                               self.hass).render()
 
+    def test_base64_encode(self):
+        """Test the base64_encode filter."""
+        self.assertEqual(
+            'aG9tZWFzc2lzdGFudA==',
+            template.Template('{{ "homeassistant" | base64_encode }}',
+                              self.hass).render())
+
+    def test_base64_decode(self):
+        """Test the base64_decode filter."""
+        self.assertEqual(
+            'homeassistant',
+            template.Template('{{ "aG9tZWFzc2lzdGFudA==" | base64_decode }}',
+                              self.hass).render())
+
+    def test_ordinal(self):
+        """Test the ordinal filter."""
+        tests = [
+            (1, '1st'),
+            (2, '2nd'),
+            (3, '3rd'),
+            (4, '4th'),
+            (5, '5th'),
+        ]
+
+        for value, expected in tests:
+            self.assertEqual(
+                expected,
+                template.Template(
+                    '{{ %s | ordinal }}' % value,
+                    self.hass).render())
+
     def test_timestamp_utc(self):
         """Test the timestamps to local filter."""
         now = dt_util.utcnow()

From 66d6db7934db1af0c560ccffd92cf4a114ef5841 Mon Sep 17 00:00:00 2001
From: Mahasri Kalavala <skalavala@users.noreply.github.com>
Date: Fri, 2 Nov 2018 13:40:05 -0400
Subject: [PATCH 3/3] forgot to add filters :)

---
 homeassistant/helpers/template.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/homeassistant/helpers/template.py b/homeassistant/helpers/template.py
index 970640648d7847..6d6fb1ed2000a6 100644
--- a/homeassistant/helpers/template.py
+++ b/homeassistant/helpers/template.py
@@ -658,6 +658,9 @@ def is_safe_attribute(self, obj, attr, value):
 ENV.filters['max'] = max
 ENV.filters['min'] = min
 ENV.filters['random'] = random_every_time
+ENV.filters['base64_encode'] = base64_encode
+ENV.filters['base64_decode'] = base64_decode
+ENV.filters['ordinal'] = ordinal
 ENV.filters['regex_match'] = regex_match
 ENV.filters['regex_replace'] = regex_replace
 ENV.filters['regex_search'] = regex_search