feat: implement cache framework with redis

book_loans/urls.py

 from django.urls import path
 from book_loans.views import index, update, delete
+from django.views.decorators.cache import cache_page
+from django.conf import settings
 
 urlpatterns = [
-    path("", index, name="book_loan_lists"),
+    path(
+        "",
+        cache_page(settings.CACHE_TTL, key_prefix="book_loans")(index),
+        name="book_loan_lists",
+    ),
     path("<id>/update/", update, name="update_book"),
     path("<id>/delete/", delete, name="delete_book_loan"),
 ]

book_loans/views.py

 import jwt
 from django.conf import settings
+from django.core.cache import cache
 from datetime import datetime
-from django.db.models import Q
+
+# from django.db.models import Q
 from django.http import HttpResponseRedirect
 from django.shortcuts import render, get_object_or_404
 from book_loans.models import Book, BookLoans
@@ -49,6 +51,7 @@ def index(request):
                 librarians_id=librarians_id,
                 return_date=return_date,
             )
+            cache.clear()
 
     if request.method == "GET":
         # query = request.GET.get("q")
@@ -61,8 +64,10 @@ def index(request):
         #     context["book_loans"] = filtered_book_list
 
         if order == "new":
+            cache.clear()
             context["book_loans"] = BookLoans.objects.all().order_by("-created_at")[:10]
         elif order == "old":
+            cache.clear()
             context["book_loans"] = BookLoans.objects.all().order_by("created_at")[:10]
 
     return render(request, "loans.html", context)
@@ -121,6 +126,7 @@ def update(request, id):
             if updated_loan.return_date is not None and book.stock < new_stock:
                 Book.objects.filter(id=book_id).update(stock_in=new_stock)
 
+            cache.clear()
             return HttpResponseRedirect("/dashboard/book-loans")
 
     context["form"] = form
@@ -142,6 +148,7 @@ def delete(request, id):
             books.filter(id=book_id).update(stock=new_stock)
 
         book_loan.delete()
+        cache.clear()
 
         return HttpResponseRedirect("/dashboard/book-loans")
 

books/urls.py

 from django.urls import path
 from .views import index, update, delete
+from django.views.decorators.cache import cache_page
+from django.conf import settings
 
 urlpatterns = [
-    path("", index, name="book_list"),
+    path(
+        "",
+        cache_page(settings.CACHE_TTL, key_prefix="books")(index),
+        name="book_list",
+    ),
     path("<int:id>/update/", update, name="book_update"),
     path("<int:id>/delete/", delete, name="book_delete"),
 ]

books/views.py

 from django.shortcuts import get_object_or_404, render
+from django.core.cache import cache
 from django.http import HttpResponseRedirect
 from datetime import datetime
 from django.db.models import Q
@@ -20,20 +21,24 @@ def index(request):
             description = form.data["description"]
 
             Book.objects.create(title=title, stock=stock, description=description)
+            cache.clear()
 
     if request.method == "GET":
         query = request.GET.get("q")
         order = request.GET.get("o")
 
         if query is not None:
+            cache.clear()
             filtered_book_list = Book.objects.filter(
                 Q(title__icontains=query) | Q(description__icontains=query)
             ).order_by("-created_at")[:10]
             context["books"] = filtered_book_list
 
         if order == "new":
+            cache.clear()
             context["books"] = Book.objects.all().order_by("-updated_at")[:10]
         elif order == "old":
+            cache.clear()
             context["books"] = Book.objects.all().order_by("updated_at")[:10]
 
     return render(request, "book.html", context)
@@ -64,6 +69,7 @@ def update(request, id):
                 description=description,
                 updated_at=datetime.now(),
             )
+            cache.clear()
             return HttpResponseRedirect("/dashboard/books")
 
     context["form"] = form
@@ -77,6 +83,7 @@ def delete(request, id):
 
     if request.method == "POST":
         book.delete()
+        cache.clear()
         return HttpResponseRedirect("/dashboard/books")
 
     return render(request, "book.html", context)

config/settings.py

@@ -174,6 +174,8 @@ CACHES = {
     },
 }
 
+CACHE_TTL = 60 * 15  # 15 Minute
+
 SESSION_ENGINE = "django.contrib.sessions.backends.cached_db"
 
 # Default primary key field type

config/urls.py

@@ -19,9 +19,15 @@ from django.contrib import admin
 from django.urls import path
 from django.conf.urls import include
 from dashboards.views import home
+from django.views.decorators.cache import cache_page
+from django.conf import settings
 
 urlpatterns = [
-    path("", home, name="homepage"),
+    path(
+        "",
+        cache_page(settings.CACHE_TTL, key_prefix="homepage")(home),
+        name="homepage",
+    ),
     path("dashboard/", include("dashboards.urls")),
     path("admin/", admin.site.urls),
     path("auth/", include("authentications.urls")),

dashboards/urls.py

 from django.urls import path, include
 from dashboards.views import index
+from django.views.decorators.cache import cache_page
+from django.conf import settings
 
 urlpatterns = [
-    path("", index, name="dashboard"),
+    path(
+        "",
+        cache_page(settings.CACHE_TTL, key_prefix="dashboard")(index),
+        name="dashboard",
+    ),
     path("books/", include("books.urls")),
     path("members/", include("members.urls")),
     path("book-loans/", include("book_loans.urls")),

librarians/urls.py

 from django.urls import path
 from librarians.views import index, update, delete
+from django.views.decorators.cache import cache_page
+from django.conf import settings
 
 urlpatterns = [
-    path("", index, name="librarian_lists"),
+    path(
+        "",
+        cache_page(settings.CACHE_TTL, key_prefix="librarians")(index),
+        name="librarian_lists",
+    ),
     path("<id>/update/", update, name="update_librarian"),
     path("<id>/delete/", delete, name="delete_librarian"),
 ]

librarians/views.py

 from django.shortcuts import get_object_or_404, render
+from django.core.cache import cache
 from django.http import HttpResponseRedirect
 from django.db.models import Q
 from datetime import datetime
@@ -19,22 +20,26 @@ def index(request):
             password = form.data["password"]
 
             Librarians.objects.create(name=name, email=email, password=password)
+            cache.clear()
 
     if request.method == "GET":
         query = request.GET.get("q")
         order = request.GET.get("o")
 
         if query is not None:
+            cache.clear()
             filtered_book_list = Librarians.objects.filter(
                 Q(name__icontains=query) | Q(email__icontains=query)
             ).order_by("-created_at")[:10]
             context["librarians"] = filtered_book_list
 
         if order == "new":
+            cache.clear()
             context["librarians"] = Librarians.objects.all().order_by("-updated_at")[
                 :10
             ]
         elif order == "old":
+            cache.clear()
             context["librarians"] = Librarians.objects.all().order_by("updated_at")[:10]
 
     return render(request, "librarians.html", context)
@@ -61,6 +66,7 @@ def update(request, id):
             librarian.update(
                 name=name, email=email, password=password, updated_at=datetime.now()
             )
+            cache.clear()
             return HttpResponseRedirect("/dashboard/librarians")
 
     context["form"] = form
@@ -74,6 +80,7 @@ def delete(request, id):
 
     if request.method == "POST":
         librarian.delete()
+        cache.clear()
         return HttpResponseRedirect("/dashboard/librarians")
 
     return render(request, "librarians.html", context)

members/urls.py

 from django.urls import path
 from members.views import index, update, delete
+from django.views.decorators.cache import cache_page
+from django.conf import settings
 
 urlpatterns = [
-    path("", index, name="member_lists"),
+    path(
+        "",
+        cache_page(settings.CACHE_TTL, key_prefix="members")(index),
+        name="member_lists",
+    ),
     path("<id>/update/", update, name="update_member"),
     path("<id>/delete/", delete, name="delete_member"),
 ]

members/views.py

 from django.shortcuts import get_object_or_404, render
+from django.core.cache import cache
 from django.http import HttpResponseRedirect
 from django.db.models import Q
 from datetime import datetime
@@ -19,20 +20,24 @@ def index(request):
             password = form.data["password"]
 
             Members.objects.create(name=name, email=email, password=password)
+            cache.clear()
 
     if request.method == "GET":
         query = request.GET.get("q")
         order = request.GET.get("o")
 
         if query is not None:
+            cache.clear()
             filtered_book_list = Members.objects.filter(
                 Q(name__icontains=query) | Q(email__icontains=query)
             ).order_by("-created_at")[:10]
             context["members"] = filtered_book_list
 
         if order == "new":
+            cache.clear()
             context["members"] = Members.objects.all().order_by("-updated_at")[:10]
         elif order == "old":
+            cache.clear()
             context["members"] = Members.objects.all().order_by("updated_at")[:10]
 
     return render(request, "members.html", context)
@@ -59,6 +64,7 @@ def update(request, id):
             member.update(
                 name=name, email=email, password=password, updated_at=datetime.now()
             )
+            cache.clear()
             return HttpResponseRedirect("/dashboard/members")
 
     context["form"] = form
@@ -72,6 +78,7 @@ def delete(request, id):
 
     if request.method == "POST":
         member.delete()
+        cache.clear()
         return HttpResponseRedirect("/dashboard/members")
 
     return render(request, "members.html", context)

requirements.txt

 asgiref==3.8.1