Creating custom template tags and filters to show a list of the lates…

…t posts and most commented posts in the sidebar
Kasem414 · Aug 27, 2023 · ebc0bd5 · ebc0bd5
1 parent c0dcdd1
commit ebc0bd5
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Showing 15 changed files with 361 additions and 3 deletions.
diff --git a/Module03/mysite/.idea/inspectionProfiles/Project_Default.xml b/Module03/mysite/.idea/inspectionProfiles/Project_Default.xml
diff --git a/Module03/mysite/.idea/inspectionProfiles/profiles_settings.xml b/Module03/mysite/.idea/inspectionProfiles/profiles_settings.xml
diff --git a/Module03/mysite/.idea/modules.xml b/Module03/mysite/.idea/modules.xml
diff --git a/Module03/mysite/.idea/mysite.iml b/Module03/mysite/.idea/mysite.iml
diff --git a/Module03/mysite/.idea/vcs.xml b/Module03/mysite/.idea/vcs.xml
diff --git a/Module03/mysite/.idea/workspace.xml b/Module03/mysite/.idea/workspace.xml
diff --git a/Module03/mysite/blog/templates/blog/base.html b/Module03/mysite/blog/templates/blog/base.html
@@ -1,4 +1,5 @@
 {% load static %}
+{% load blog_tags %}
 
 <!DOCTYPE html>
 <html>
@@ -13,7 +14,25 @@
         </div>
         <div id="sidebar">
             <h2>My blog</h2>
-            <p>This is my blog.</p>
+            <p>
+                This is my blog.
+                I've written {% total_posts %} posts so far.
+            </p>
+
+            <h3>Latest posts</h3>
+            {% show_latest_posts 3 %}
+
+            <h3>Most commented posts</h3>
+
+            {% get_most_commented_posts 2 as most_commented_posts %}
+            <ul>
+                {% for post in most_commented_posts %}
+                    <li>
+                        <a href="{{ post.get_absolute_url }}">{{ post.title|upper }}</a>
+                    </li>
+                {% endfor %}
+            </ul>
+
         </div>
     </body>
 </html>
diff --git a/Module03/mysite/blog/templates/blog/post/detail.html b/Module03/mysite/blog/templates/blog/post/detail.html
@@ -1,4 +1,5 @@
 {% extends "blog/base.html" %}
+{% load blog_tags %}
 
 {% block title %}{{ post.title }}{% endblock %}
 
@@ -7,7 +8,7 @@ <h1>{{ post.title }}</h1>
     <p class="date">
     Published {{ post.publish }} by {{ post.author }}
     </p>
-    {{ post.body|linebreaks }}
+    {{ post.body|markdown }}
     <p>
         <a href="{% url "blog:post_share" post.id %}">
             Share this post

diff --git a/Module03/mysite/blog/templates/blog/post/latest_posts.html b/Module03/mysite/blog/templates/blog/post/latest_posts.html
@@ -0,0 +1,7 @@
+<ul>
+    {% for post in latest_posts %}
+        <li>
+            <a href="{{ post.get_absolute_url }}">{{ post.title }}</a>
+        </li>
+    {% endfor %}
+</ul>
diff --git a/Module03/mysite/blog/templates/blog/post/list.html b/Module03/mysite/blog/templates/blog/post/list.html
@@ -1,4 +1,5 @@
 {% extends "blog/base.html" %}
+{% load blog_tags %}
 
 {% block title %}My Blog{% endblock %}
 
@@ -29,7 +30,7 @@ <h2>
         <p class="date">
         Published {{ post.publish }} by {{ post.author }}
         </p>
-        {{ post.body|truncatewords:30|linebreaks }}
+        {{ post.body|markdown|truncatewords_html:30 }}
         <hr />
     {% endfor %}
     {% include "pagination.html" with page=posts %}

diff --git a/Module03/mysite/blog/templatetags/__init__.py b/Module03/mysite/blog/templatetags/__init__.py
diff --git a/Module03/mysite/blog/templatetags/__pycache__/__init__.cpython-311.pyc b/Module03/mysite/blog/templatetags/__pycache__/__init__.cpython-311.pyc
diff --git a/Module03/mysite/blog/templatetags/__pycache__/blog_tags.cpython-311.pyc b/Module03/mysite/blog/templatetags/__pycache__/blog_tags.cpython-311.pyc
diff --git a/Module03/mysite/blog/templatetags/blog_tags.py b/Module03/mysite/blog/templatetags/blog_tags.py
@@ -0,0 +1,26 @@
+from django import template
+from ..models import Post
+from django.db.models import Count
+from django.utils.safestring import mark_safe
+import markdown
+
+register = template.Library()
+
+@register.simple_tag
+def total_posts():
+    return Post.objects.count()
+
+
+@register.inclusion_tag('blog/post/latest_posts.html')
+def show_latest_posts(count=5):
+    latest_posts = Post.objects.order_by('-publish')[:count]
+    return {'latest_posts': latest_posts}
+
+@register.simple_tag
+def get_most_commented_posts(count=5):
+    return Post.objects.annotate(total_comments=Count('comments')).order_by('-total_comments')[:count]
+
+
+@register.filter(name='markdown')
+def markdown_format(text):
+    return mark_safe(markdown.markdown(text))
diff --git a/Module03/mysite/db.sqlite3 b/Module03/mysite/db.sqlite3