Readd nice_datetime template tag.

Author: tim-schilling

project/newsletter/templatetags/newsletter_utils.py

@@ -1,5 +1,10 @@
+from datetime import timedelta
+
 from django.core.paginator import Paginator
 from django.template import Library
+from django.utils import timezone
+
+from project.newsletter.models import Post
 
 register = Library()
 
@@ -10,3 +15,19 @@ def is_ellipsis(value):
     Determine if the value is an ellipsis
     """
     return value == Paginator.ELLIPSIS
+
+
+@register.inclusion_tag("inclusion_tags/nice_datetime.html")
+def nice_datetime(post: Post, is_unread: bool):
+    """
+    Format the datetime in the locale the user prefers with styling.
+    """
+    now = timezone.now()
+    week_ago = timezone.now() - timedelta(days=7)
+    timestamp = post.created
+    is_recent = week_ago <= timestamp <= now
+    return {
+        "is_unread": is_unread,
+        "is_recent": is_recent,
+        "timestamp": timestamp,
+    }

project/newsletter/test_templatetags.py

@@ -1,10 +1,22 @@
 from django.core.paginator import Paginator
-from django.test import SimpleTestCase
+from django.test import SimpleTestCase, TestCase
+from django.utils import timezone
 
-from project.newsletter.templatetags.newsletter_utils import is_ellipsis
+from project.newsletter.models import Post
+from project.newsletter.templatetags.newsletter_utils import is_ellipsis, nice_datetime
 
 
 class TestIsEllipsis(SimpleTestCase):
     def test_is_ellipsis(self):
         self.assertTrue(is_ellipsis(Paginator.ELLIPSIS))
         self.assertFalse(is_ellipsis("..."))
+
+
+class TestNiceDatetime(TestCase):
+    def test_nice_datetime(self):
+        post = Post(created=timezone.now())
+        actual = nice_datetime(post, is_unread=True)
+
+        self.assertEqual(
+            actual, {"timestamp": post.created, "is_recent": True, "is_unread": True}
+        )

project/templates/posts/includes/list_item.html

@@ -1,9 +1,11 @@
 {% load martortags %}
+{% load newsletter_utils %}
 
 <h3 class="ui header">{{ post.title }}</h3>
 
 <div class="ui grid middle aligned">
   <div class="left floated six wide column">
+    {% nice_datetime post=post is_unread=post.is_unread %}
   </div>
   <div class="right floated six wide column">
     <span class="ui small text">