feat: initial work for DCA tool

app/apps/dca/views.py

@@ -0,0 +1,67 @@
+# apps/dca_tracker/views.py
+from django.contrib.auth.decorators import login_required
+from django.shortcuts import render, get_object_or_404, redirect
+from django.contrib import messages
+from django.utils.translation import gettext_lazy as _
+from django.db.models import Sum, Avg
+from django.db.models.functions import TruncMonth
+
+from .models import DCAStrategy, DCAEntry
+from .forms import DCAStrategyForm, DCAEntryForm
+
+
+@login_required
+def strategy_list(request):
+    strategies = DCAStrategy.objects.all()
+    return render(request, "dca/strategy_list.html", {"strategies": strategies})
+
+
+from django.shortcuts import render, get_object_or_404, redirect
+from django.contrib import messages
+from django.utils.translation import gettext_lazy as _
+from django.db.models import Sum, Avg
+from django.db.models.functions import TruncMonth
+
+
+@login_required
+def strategy_detail(request, pk):
+    strategy = get_object_or_404(DCAStrategy, id=pk)
+    entries = strategy.entries.all()
+
+    # Calculate monthly aggregates
+    monthly_data = (
+        entries.annotate(month=TruncMonth("date"))
+        .values("month")
+        .annotate(
+            total_paid=Sum("amount_paid"),
+            total_received=Sum("amount_received"),
+            avg_entry_price=Avg("amount_paid") / Avg("amount_received"),
+        )
+        .order_by("month")
+    )
+
+    # Prepare entries data with current values
+    entries_data = [
+        {
+            "entry": entry,
+            "current_value": entry.current_value(),
+            "profit_loss": entry.profit_loss(),
+            "profit_loss_percentage": entry.profit_loss_percentage(),
+        }
+        for entry in entries
+    ]
+
+    context = {
+        "strategy": strategy,
+        "entries": entries,
+        "entries_data": entries_data,
+        "monthly_data": monthly_data,
+        "total_invested": strategy.total_invested(),
+        "total_received": strategy.total_received(),
+        "average_entry_price": strategy.average_entry_price(),
+        "total_entries": strategy.total_entries(),
+        "current_total_value": strategy.current_total_value(),
+        "total_profit_loss": strategy.total_profit_loss(),
+        "total_profit_loss_percentage": strategy.total_profit_loss_percentage(),
+    }
+    return render(request, "dca/strategy_detail.html", context)