feat: add calendar view

app/apps/calendar_view/views.py

@@ -0,0 +1,78 @@
+import datetime
+
+from django.contrib.auth.decorators import login_required
+from django.shortcuts import redirect, render
+from django.utils import timezone
+from django.views.decorators.http import require_http_methods
+
+from apps.calendar_view.utils.calendar import get_transactions_by_day
+from apps.transactions.models import Transaction
+
+
+@login_required
+def index(request):
+    now = timezone.localdate(timezone.now())
+
+    return redirect(to="calendar", month=now.month, year=now.year)
+
+
+@login_required
+@require_http_methods(["GET"])
+def calendar(request, month: int, year: int):
+    if month < 1 or month > 12:
+        from django.http import Http404
+
+        raise Http404("Month is out of range")
+
+    next_month = 1 if month == 12 else month + 1
+    next_year = year + 1 if next_month == 1 and month == 12 else year
+
+    previous_month = 12 if month == 1 else month - 1
+    previous_year = year - 1 if previous_month == 12 and month == 1 else year
+
+    return render(
+        request,
+        "calendar_view/pages/calendar.html",
+        context={
+            "month": month,
+            "year": year,
+            "next_month": next_month,
+            "next_year": next_year,
+            "previous_month": previous_month,
+            "previous_year": previous_year,
+        },
+    )
+
+
+@login_required
+@require_http_methods(["GET"])
+def calendar_list(request, month: int, year: int):
+    today = timezone.localdate(timezone.now())
+    dates = get_transactions_by_day(month=month, year=year)
+
+    return render(
+        request,
+        "calendar_view/fragments/list.html",
+        context={
+            "month": month,
+            "year": year,
+            "today": today,
+            "dates": dates,
+        },
+    )
+
+
+@login_required
+@require_http_methods(["GET"])
+def calendar_transactions_list(request, day: int, month: int, year: int):
+    date = datetime.date(year=year, month=month, day=day)
+    transactions = Transaction.objects.filter(date=date)
+
+    return render(
+        request,
+        "calendar_view/fragments/list_transactions.html",
+        context={
+            "date": date,
+            "transactions": transactions,
+        },
+    )