Codemy Django Simple Blog Series 13

Youtube 37 Video Course

Blog Category Pages

Length 16:12

• Wants to be able to click on a category next to the post title on the home page and go to a page that shows all the posts that share that category.
• Going to use function based views for this instead of class based views. Points out that you can have both kinds of views in views.py
• In theblog/urls.py add to pattens: path('category/<str:cats>/', CategoryView, name='category'
• Also in theblog/urls.py add CategoryView to the from .views import statement
• Add a function to views.py - he put it after HomeView

  def CategoryView(request, cats):
      # Create a query
      category_posts = Post.objects.filter(category=cats)
      return render(request, 'categories.html', {'cats':cats.title(), 'category_posts':category_posts})
  

• Create categories.html in theblog/templates
• Paste contents of home.html into categories.html
• Change the h1 to {{ cats }}
• Change to for loop to {% for post in category_posts %}
• Remove post.category line because it's redundant
• Ahead of the h1 {% if category_posts %}, then after closing ul {% else %} <h2>Sorry This Page Does Not Exist</h2> {% endif %} (all on separate lines.)
• In home.html change the post.category line to - <a href="{% url 'category' post.category %}">{{ post.category }}</a>