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from django.db import models
from django.core.validators import MinValueValidator
from backend_app.models.university import University
class DailyConnections(models.Model):
date = models.DateTimeField(unique=True, null=False)
nb_connections = models.IntegerField(validators=[MinValueValidator(0)], null=False)
class DailyExchangeContributionsInfo(models.Model):
date = models.DateTimeField(null=False)
TYPE_CHOICES = [
("exchange_feedback", "exchange_feedback"),
("course_feedback", "course_feedback"),
]
type = models.CharField(max_length=20, choices=TYPE_CHOICES, null=False)
university = models.ForeignKey(University, null=False, on_delete=models.CASCADE)
major = models.CharField(max_length=20, null=False, blank=True)
minor = models.CharField(max_length=47, null=False, blank=True)
exchange_semester = models.CharField(max_length=5, null=False)
nb_contributions = models.IntegerField(
validators=[MinValueValidator(0)], null=False
)
class Meta:
unique_together = (
"date",
"type",
"university",
"major",
"minor",
"exchange_semester",
)
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