update

core/apps/evaluation/models/bonus.py

@@ -0,0 +1,38 @@
+from django.db import models
+from django.db.models.fields import PositiveIntegerField
+from django_core.models import AbstractBaseModel
+
+from core.apps.evaluation.choices.bonus import EvaluationCategory
+
+
+class BaseValueBonus(AbstractBaseModel):
+    base_price = models.DecimalField(max_digits=12, decimal_places=2)
+
+    def __str__(self):
+        return f"Base: {self.base_price}"
+
+    def save(self, *args, **kwargs):
+        if not self.pk and BaseValueBonus.objects.exists():
+            raise ValueError("Value Bonus already exists")
+        return super().save(*args, **kwargs)
+
+
+class BonusType(AbstractBaseModel):
+    name = models.CharField(max_length=255)
+    category = models.CharField(
+        max_length=50,
+        choices=EvaluationCategory.choices
+    )
+    percentage = PositiveIntegerField()
+
+    def __str__(self):
+        return self.name
+
+
+class EmployeeBonus(AbstractBaseModel):
+    user = models.ForeignKey("accounts.User", on_delete=models.CASCADE, related_name="bonuses", )
+    bonus_type = models.ForeignKey(BonusType, on_delete=models.CASCADE)
+    percentage = models.PositiveIntegerField()
+
+    class Meta:
+        unique_together = ("user", "bonus_type")