Prototypes of Schedule and Slot model

api_v1/schedule/model.py

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+import uuid
+
+from django.db import models
+
+from api_v1.profile.model import Profile
+
+
+class Schedule(models.Model):
+    schedule_id = models.UUIDField(primary_key=True, default=uuid.uuid4)
+
+    profile = models.ForeignKey(Profile, on_delete=models.DO_NOTHING, null=False)
+
+    slots = models.ManyToOneRel()

api_v1/slot/model.py

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+import uuid
+
+from django.core.exceptions import ValidationError
+from django.db import models
+
+
+def validate_weekday(value: int):
+    if value < 0 or value > 6:
+        raise ValidationError("Weekday must be between 0 (Mo) and 6 (Su)")
+
+
+class Slot(models.Model):
+    slot_id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+
+    start_time = models.TimeField()
+    end_time = models.TimeField()
+
+    duration = models.DurationField()
+
+    start_weekday = models.SmallIntegerField(validators=[validate_weekday])
+    end_weekday = models.SmallIntegerField(validators=[validate_weekday])
+
+    def __str__(self):
+        days = [
+            "Mo",
+            "Tu",
+            "We",
+            "Th",
+            "Fr",
+            "Sa",
+            "Su"
+        ]
+        return "[{}] {} - [{}] {}".format(days[self.start_weekday], self.start_time, days[self.end_weekday],
+                                          self.end_time)