Ready for production deployment

core/models.py

@@ -0,0 +1,35 @@
+from django.db import (
+    models,
+)
+from django.utils import(
+    timezone
+)
+
+class Transaction(models.Model):
+    title = models.CharField(max_length=255)
+    
+    amount = models.DecimalField(max_digits=10, decimal_places=2)
+    
+    date = models.DateField(default=timezone.now)
+    
+    category = models.ForeignKey('Category', on_delete=models.SET_NULL, null=True, blank=True)
+
+    class Meta:
+        ordering = ['-date']
+
+    @property
+    def is_income(self):
+        return self.amount > 0
+
+    @property
+    def is_expense(self):
+        return self.amount < 0
+
+    def __str__(self):
+        return f"{self.date} | {self.title}: ${self.amount}"
+
+class Category(models.Model):
+    name = models.CharField(max_length=255)
+
+    def __str__(self):
+        return self.name