feat: initial work for DCA tool

app/apps/dca/forms.py

@@ -0,0 +1,60 @@
+from django import forms
+from crispy_forms.helper import FormHelper
+from crispy_forms.layout import Layout, Row, Column
+from django.utils.translation import gettext_lazy as _
+
+from .models import DCAStrategy, DCAEntry
+from apps.common.widgets.decimal import ArbitraryDecimalDisplayNumberInput
+
+
+class DCAStrategyForm(forms.ModelForm):
+    class Meta:
+        model = DCAStrategy
+        fields = ["name", "target_currency", "payment_currency", "notes"]
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.helper = FormHelper()
+        self.helper.form_tag = False
+        self.helper.layout = Layout(
+            "name",
+            Row(
+                Column("target_currency", css_class="form-group col-md-6"),
+                Column("payment_currency", css_class="form-group col-md-6"),
+            ),
+            "notes",
+        )
+
+
+class DCAEntryForm(forms.ModelForm):
+    class Meta:
+        model = DCAEntry
+        fields = [
+            "date",
+            "amount_paid",
+            "amount_received",
+            "expense_transaction",
+            "income_transaction",
+            "notes",
+        ]
+        widgets = {
+            "amount_paid": ArbitraryDecimalDisplayNumberInput(decimal_places=8),
+            "amount_received": ArbitraryDecimalDisplayNumberInput(decimal_places=8),
+        }
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.helper = FormHelper()
+        self.helper.form_tag = False
+        self.helper.layout = Layout(
+            "date",
+            Row(
+                Column("amount_paid", css_class="form-group col-md-6"),
+                Column("amount_received", css_class="form-group col-md-6"),
+            ),
+            Row(
+                Column("expense_transaction", css_class="form-group col-md-6"),
+                Column("income_transaction", css_class="form-group col-md-6"),
+            ),
+            "notes",
+        )