feat: add rules for transactions

app/apps/rules/models.py

@@ -0,0 +1,44 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+
+class TransactionRule(models.Model):
+    active = models.BooleanField(default=True)
+    on_update = models.BooleanField(default=False)
+    on_create = models.BooleanField(default=True)
+    name = models.CharField(max_length=100, verbose_name=_("Name"))
+    description = models.TextField(blank=True, null=True, verbose_name=_("Description"))
+    trigger = models.TextField(verbose_name=_("Trigger"))
+
+    def __str__(self):
+        return self.name
+
+
+class TransactionRuleAction(models.Model):
+    class Field(models.TextChoices):
+        account = "account", _("Account")
+        type = "type", _("Type")
+        is_paid = "is_paid", _("Paid")
+        date = "date", _("Date")
+        reference_date = "reference_date", _("Reference Date")
+        amount = "amount", _("Amount")
+        description = "description", _("Description")
+        notes = "notes", _("Notes")
+        category = "category", _("Category")
+        tags = "tags", _("Tags")
+
+    rule = models.ForeignKey(
+        TransactionRule,
+        on_delete=models.CASCADE,
+        related_name="actions",
+        verbose_name=_("Rule"),
+    )
+    field = models.CharField(
+        max_length=50,
+        choices=Field,
+        verbose_name=_("Field"),
+    )
+    value = models.TextField(verbose_name=_("Value"))
+
+    def __str__(self):
+        return f"{self.rule} - {self.field} - {self.value}"