For #51 add cache for posts menu;

ipv context variable  to cached

sandbox/conf/base.py

@@ -85,7 +85,6 @@
                 "django.contrib.auth.context_processors.auth",
                 "django.contrib.messages.context_processors.messages",
                 "src.contacts.context_processors.check_subscription",
-                "src.posts.context_processors.build_crumbs",
             ],
         },
     },

src/core/management/commands/clear_cache.py

@@ -0,0 +1,9 @@
+from django.core.cache import cache
+from django.core.management import BaseCommand
+
+
+class Command(BaseCommand):
+    help = "clear cache"  # noqa
+
+    def handle(self, *args, **options):
+        cache.clear()

src/posts/managers.py

@@ -19,7 +19,9 @@ def get_review(self):
 
     def get_public(self):
         """filter qs for public posts"""
-        return self.filter(status=2, is_deleted=False)
+        return self.select_related("author", "categ", "letter").filter(
+            status=2, is_deleted=False
+        )
 
     def get_soft_deleted(self):
         """filter qs for soft deleted;
@@ -39,7 +41,8 @@ def search_uk(self, query_text=""):
             search_query,
         )
         return (
-            self.filter(status=2, is_deleted=False)
+            self.select_related("author", "categ", "letter")
+            .filter(status=2, is_deleted=False)
             .annotate(search=vector, headline=search_headline)
             .filter(search=search_query)
             .annotate(rank=search_rank)

src/posts/mixins.py

@@ -1,4 +1,20 @@
 from django.urls import reverse
+from django.utils.functional import cached_property
+
+
+class PostListMenuMixin:
+    @cached_property
+    def crumbs(self):
+        """build post breadcrumbs"""
+        return [
+            {"name": "Home", "url": reverse("home")},
+            {"name": "posts", "url": reverse("posts:post_list")},
+        ]
+
+    def get_context_data(self, **kwargs):
+        ctx = super().get_context_data(**kwargs)
+        ctx["crumbs"] = self.crumbs
+        return ctx
 
 
 class CategoryCrumbMixin:

src/posts/views.py

@@ -1,5 +1,3 @@
-from django.contrib import messages
-from django.http import Http404
 from django.shortcuts import get_object_or_404
 from django.utils.translation import get_language
 from django.utils.translation import gettext_lazy as _
@@ -10,10 +8,10 @@
 from src.posts.models.categ_model import Category
 from src.posts.models.post_model import Post
 
-from .mixins import CategoryCrumbMixin
+from .mixins import CategoryCrumbMixin, PostListMenuMixin
 
 
-class PostList(ListView):
+class PostList(PostListMenuMixin, ListView):
 
     """display only public posts"""
 
@@ -24,11 +22,7 @@ class PostList(ListView):
 
     def get_queryset(self):
         # print("looking for posts")
-        return (
-            Post.objects.get_public()
-            .select_related("categ", "author")
-            .prefetch_related("tags")
-        )
+        return Post.objects.get_public().prefetch_related("tags")
 
 
 class PostDetail(CategoryCrumbMixin, DetailView):
@@ -41,7 +35,7 @@ def get_context_data(self, **kwargs):
         return ctx
 
 
-class PostTagSearch(ListView):
+class PostTagSearch(PostListMenuMixin, ListView):
     template_name = "posts/post_list.html"
     context_object_name = "posts"
     paginate_by = 2
@@ -52,7 +46,7 @@ def get_queryset(self):
         return Post.objects.get_public().filter(tags__slug__in=[tag])
 
 
-class PostCategSearch(ListView):
+class PostCategSearch(PostListMenuMixin, ListView):
     """retrieve all posts linked to a given category"""
 
     template_name = "posts/post_list.html"
@@ -71,7 +65,7 @@ def get_queryset(self):
             return Post.objects.get_public().filter(categ_id=categ.id)
 
 
-class SearchPost(ListView):
+class SearchPost(PostListMenuMixin, ListView):
     """
     search ru and en: via vector_ru,vector_en(triggers in migration files)
     search in ukrainian: via model manager(no config in this lang)

src/templates/base.html

@@ -51,9 +51,7 @@
         <div class="col col-md-8 text-center">
           {% show_search_form %}
         </div>
-        <div class="col col-md-8 mb-2">
-          {% include "components/crumbs.html" %}
-        </div>
+
       </div>
     </section>
     <main id="center-part">

src/templates/posts/post_list.html

@@ -1,6 +1,12 @@
 {% extends 'base.html' %}
 {% load static sidebars i18n %}
 {% block content %}
+<div class="row d-flex justify-content-center dmb-lg-4 mb-sm-1 pe-sm-0">
+  <div class="col col-md-8 mb-2">
+  {% include "components/crumbs.html" %}
+  </div>
+
+</div>
 <div class="row">
   <aside class="col-md-3 col-sm-12">
     <!-- <nav role="navigation" aria-label="Sidebar Navigation">
@@ -9,6 +15,8 @@
         <!-- </div>
     </nav>     -->
   </aside>
+
+
   <div class="col-md-6 col-sm-12">
    {% if posts %}
     {% for post in posts%}