Fixed bug with the parent categories that shows the others users

expenses_manager/expenses/forms.py

@@ -87,6 +87,14 @@ class CategoryForm(forms.ModelForm):
         model = Category
         fields = ["name", "parent"]
 
+    def __init__(self, *args, **kwargs):
+        user = kwargs.pop("user")
+        super().__init__(*args, **kwargs)
+        
+        if user:
+            self.fields["parent"].queryset = Category.objects.filter(
+                owner=user,
+            )
 class GoalForm(forms.ModelForm):
     class Meta:
         model = Goal

expenses_manager/expenses/models.py

@@ -69,6 +69,27 @@ class Account(models.Model):
     def monthly_balance(self, year=None):
         year = year or date.today().year
 
+        # -------------------------
+        # Previous accumulated balance
+        # -------------------------
+        previous_income = (
+            self.incomes.filter(date__year__lt=year)
+            .aggregate(total=Sum('amount'))['total']
+            or Decimal('0')
+        )
+        
+        previous_expenses = (
+            self.expenses.filter(date__year__lt=year)
+            .aggregate(total=Sum('amount'))['total']
+            or Decimal('0')
+        )
+        
+        balance = (self.initial_balance + previous_income - previous_income)
+        
+        # -------------------------
+        # Current year data
+        # -------------------------
+        
         incomes = (
             self.incomes.filter(date__year=year)
             .annotate(month=ExtractMonth("date"))
@@ -86,7 +107,6 @@ class Account(models.Model):
         income_map = {i["month"]: i["total"] for i in incomes}
         expenses_map = {e["month"]: e["total"] for e in expenses}
 
-        balance = self.initial_balance
         data = []
 
         for month in range(1, 13):

expenses_manager/expenses/views.py

@@ -830,14 +830,14 @@ def category_list(request):
     categories = Category.objects.filter(owner=request.user)
 
     if request.method == "POST":
-        form = CategoryForm(request.POST)
+        form = CategoryForm(request.POST, user=request.user)
         if form.is_valid():
             category = form.save(commit=False)
             category.owner = request.user
             category.save()
             return redirect("category_list")
     else:
-        form = CategoryForm()
+        form = CategoryForm(user=request.user)
 
     return render(
         request,