first commit

core/apps/management/models/rent.py

@@ -0,0 +1,15 @@
+from django.db import models
+from .district import District
+from .device import Device
+
+class Rent(models.Model):
+    address = models.CharField(max_length=100, unique=True)
+    district = models.ForeignKey(District, related_name="district_rents", on_delete=models.PROTECT)
+    device = models.ForeignKey(Device, related_name="device_rents", on_delete=models.PROTECT)
+    due_date = models.DateField()
+    amount = models.IntegerField()
+
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return self.address