fix: sifting dashboard data from view to context processors

config/settings.py

@@ -90,6 +90,7 @@ TEMPLATES = [
                 "django.contrib.messages.context_processors.messages",
                 # local
                 "users.utils.context_processors.user_context",
+                "dashboard.utils.context_processors.dashboard_context",
             ],
         },
     },

dashboard/utils/context_processors.py

+from django.utils import timezone
+
+from users.models import LibrarianLoginHistory, Member
+from book.models import Category, Book
+from loans.models import BookLoan
+
+
+def dashboard_context(request):
+    login_history = LibrarianLoginHistory.objects.order_by("-date")[:10]
+    book_loans = BookLoan.objects.all()
+    total_book = Book.objects.count()
+    total_category = Category.objects.count()
+    total_member = Member.objects.count()
+    total_book_loans = book_loans.count()
+
+    now = timezone.now()
+    overdue_loans = book_loans.filter(due_date__lte=now, return_date=None).order_by(
+        "-due_date"
+    )[:10]
+
+    due_date_treshold = now + timezone.timedelta(days=3)
+    upcoming_loans = (
+        book_loans.filter(due_date__lte=due_date_treshold, return_date=None)
+        .filter(due_date__gte=now)
+        .order_by("-due_date")[:10]
+    )
+
+    data = {
+        "login_histories": login_history,
+        "total_book": total_book,
+        "total_category": total_category,
+        "total_member": total_member,
+        "total_book_loans": total_book_loans,
+        "total_overdue": overdue_loans.count(),
+        "total_upcoming": upcoming_loans.count(),
+        "overdue_loans": overdue_loans,
+        "upcoming_loans": upcoming_loans,
+    }
+
+    return data

dashboard/views.py

 from django.utils import timezone
 from django.db.models import Q
 from django.views.generic import ListView, TemplateView
-
-from users.models import LibrarianLoginHistory, Member
-from book.models import Category, Book
 from loans.models import BookLoan
 
 
@@ -79,37 +76,3 @@ class HomePage(TemplateView):
 
 class DashboardView(TemplateView):
     template_name = "dashboard/index.html"
-
-    login_history = LibrarianLoginHistory.objects.order_by("-date")[:10]
-    book_loans = BookLoan.objects.all()
-    total_book = Book.objects.count()
-    total_category = Category.objects.count()
-    total_member = Member.objects.count()
-    total_book_loans = book_loans.count()
-
-    def get_context_data(self, **kwargs):
-        context = super().get_context_data(**kwargs)
-        now = timezone.now()
-        overdue_loans = self.book_loans.filter(
-            due_date__lte=now, return_date=None
-        ).order_by("-due_date")[:10]
-
-        due_date_treshold = now + timezone.timedelta(days=3)
-
-        upcoming_loans = (
-            self.book_loans.filter(due_date__lte=due_date_treshold, return_date=None)
-            .filter(due_date__gte=now)
-            .order_by("-due_date")[:10]
-        )
-
-        context["login_histories"] = self.login_history
-        context["total_book"] = self.total_book
-        context["total_category"] = self.total_category
-        context["total_member"] = self.total_member
-        context["total_book_loans"] = self.total_book_loans
-        context["total_overdue"] = overdue_loans.count()
-        context["total_upcoming"] = upcoming_loans.count()
-        context["overdue_loans"] = overdue_loans
-        context["upcoming_loans"] = upcoming_loans
-
-        return context