From abeaf67e5265bd093db688e6f40922e859bf4aa1 Mon Sep 17 00:00:00 2001
From: Ivlev Denis <di-erz@yandex.ru>
Date: Wed, 31 Jan 2018 16:21:22 +0300
Subject: [PATCH] Add pluralize filter

---
 apps/course/templatetags/plural.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 apps/course/templatetags/plural.py

diff --git a/apps/course/templatetags/plural.py b/apps/course/templatetags/plural.py
new file mode 100644
index 00000000..9ff90c4d
--- /dev/null
+++ b/apps/course/templatetags/plural.py
@@ -0,0 +1,16 @@
+from django import template
+from django.template.defaultfilters import stringfilter
+
+register = template.Library()
+
+
+@register.filter(is_safe=False)
+@stringfilter
+def rupluralize(value, arg):
+    args = arg.split(',')
+    try:
+        value = str(0 if not value or int(value) <= 0 else value)[-1:]
+        return value + ' ' + args[0 if value == '1' else (1 if value in '234' else 2)]
+    except:
+        raise template.TemplateSyntaxError
+    return ''