new templatetags added

portail_citoyen2/templatetags/portail_citoyen_tags.py

@@ -1,4 +1,8 @@
 from django import template
+from django.template.defaultfilters import stringfilter
+
+from datetime import datetime, date
+from decimal import Decimal
 
 register = template.Library()
 
@@ -12,3 +16,29 @@ def user_in_group(context, group):
 def user_in_group_prefix(context, group):
     user = context['user']
     return user.groups.filter(name__startswith=group).exists()
+
+
+@register.filter
+@stringfilter
+def to_date(value, date_format='%Y-%m-%d'):
+    """
+    converts date string into datetime object in order to be
+    used(for ex: reformated) in template
+    """
+    return datetime.strptime(value, date_format)
+
+
+@register.filter
+def to_decimal(value):
+    """
+    converts into Decimal object
+    """
+    return Decimal(value)
+
+
+@register.filter
+def is_past(value):
+    """
+    checks if date is in the past
+    """
+    return value.date() < date.today()