feat: finish phase 4 portal review fixes

apps/portal/views.py

@@ -1,5 +1,6 @@
 from django.contrib import messages
 from django.contrib.auth.mixins import LoginRequiredMixin
+from django.core.paginator import Paginator
 from django.db.models import Sum
 from django.shortcuts import get_object_or_404, redirect
 from django.urls import reverse, reverse_lazy
@@ -74,6 +75,18 @@ def get_usage_ledger_entries_for_user(user):
     )
 
 
+def paginate_records(request, queryset):
+    paginator = Paginator(queryset, RECORDS_PAGE_SIZE)
+    page_obj = paginator.get_page(request.GET.get("page"))
+    return {
+        "paginator": paginator,
+        "page_obj": page_obj,
+        "is_paginated": page_obj.has_other_pages(),
+        "records_total_count": paginator.count,
+        "records_page_size": RECORDS_PAGE_SIZE,
+    }
+
+
 class DashboardView(LoginRequiredMixin, TemplateView):
     template_name = "portal/dashboard.html"
 
@@ -175,8 +188,10 @@ class RechargeRecordListView(LoginRequiredMixin, TemplateView):
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         orders = get_recharge_orders_for_user(self.request.user)
+        pagination = paginate_records(self.request, orders)
         context.update(get_portal_account_summary(self.request.user))
-        context["recharge_orders"] = orders[:RECORDS_PAGE_SIZE]
+        context.update(pagination)
+        context["recharge_orders"] = pagination["page_obj"].object_list
         return context
 
 
@@ -186,6 +201,8 @@ class UsageRecordListView(LoginRequiredMixin, TemplateView):
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         entries = get_usage_ledger_entries_for_user(self.request.user)
+        pagination = paginate_records(self.request, entries)
         context.update(get_portal_account_summary(self.request.user))
-        context["usage_entries"] = entries[:RECORDS_PAGE_SIZE]
+        context.update(pagination)
+        context["usage_entries"] = pagination["page_obj"].object_list
         return context