payments

payments/models.py

@@ -23,3 +23,28 @@ class PaymentItem(models.Model):
     container = models.ForeignKey(Container, related_name='payment_containers', on_delete=models.CASCADE)
     amount = models.DecimalField(max_digits=10, decimal_places=2)
 
+
+class ContainerTariffPeriod(models.Model):
+    CONTAINER_SIZE_CHOICES = [
+        ('20', '20 feet'),
+        ('40', '40/45 feet'),
+    ]
+
+    container_size = models.CharField(max_length=2, choices=CONTAINER_SIZE_CHOICES)
+    from_days = models.PositiveIntegerField()
+    to_days = models.PositiveIntegerField(null=True, blank=True)  # null for last period (16+ days)
+    daily_rate = models.DecimalField(max_digits=6, decimal_places=2)
+
+    class Meta:
+        unique_together = ['container_size', 'from_days']
+        ordering = ['container_size', 'from_days']
+
+
+class AdditionalFees(models.Model):
+    reefer_daily_supplement = models.DecimalField(max_digits=6, decimal_places=2, default=3.00)
+    sweeping_fee = models.DecimalField(max_digits=6, decimal_places=2, default=35.00)
+    fumigation_fee = models.DecimalField(max_digits=6, decimal_places=2, default=75.00)
+
+    class Meta:
+        verbose_name = 'Additional Fees'
+        verbose_name_plural = 'Additional Fees'