plateforme-corres2math/apps/participation/models.py

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from django.core.validators import RegexValidator
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from django.db import models
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from django.db.models import Index
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from django.utils.crypto import get_random_string
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from django.utils.functional import lazy
from django.utils.text import format_lazy
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from django.utils.translation import gettext_lazy as _
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class Team(models.Model):
name = models.CharField(
max_length=255,
verbose_name=_("name"),
unique=True,
)
trigram = models.CharField(
max_length=3,
verbose_name=_("trigram"),
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help_text=_("The trigram must be composed of three uppercase letters."),
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unique=True,
validators=[RegexValidator("[A-Z]{3}")],
)
access_code = models.CharField(
max_length=6,
verbose_name=_("access code"),
help_text=_("The access code let other people to join the team."),
)
grant_animath_access_videos = models.BooleanField(
verbose_name=_("Grant Animath to publish my video"),
help_text=_("Give the authorisation to publish the video on the main website to promote the action."),
default=False,
)
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def save(self, *args, **kwargs):
if not self.access_code:
self.access_code = get_random_string(6)
return super().save(*args, **kwargs)
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def __str__(self):
return _("Team {name} ({trigram})").format(name=self.name, trigram=self.trigram)
class Meta:
verbose_name = _("team")
verbose_name_plural = _("teams")
indexes = [
Index(fields=("trigram", )),
]
class Participation(models.Model):
team = models.OneToOneField(
Team,
on_delete=models.CASCADE,
verbose_name=_("team"),
)
problem = models.IntegerField(
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choices=[(i, format_lazy(_("Problem #{problem:d}"), problem=i)) for i in range(1, 5)],
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null=True,
default=None,
verbose_name=_("problem number"),
)
solution = models.ForeignKey(
"participation.Video",
on_delete=models.SET_NULL,
related_name="+",
null=True,
default=None,
verbose_name=_("solution video"),
)
received_participation = models.OneToOneField(
"participation.Participation",
on_delete=models.PROTECT,
related_name="sent_participation",
null=True,
default=None,
verbose_name=_("received participation"),
)
synthesis = models.ForeignKey(
"participation.Video",
on_delete=models.SET_NULL,
related_name="+",
null=True,
default=None,
verbose_name=_("synthesis video"),
)
def __str__(self):
return _("Participation of the team {name} ({trigram})").format(name=self.team.name, trigram=self.team.trigram)
class Meta:
verbose_name = _("participation")
verbose_name_plural = _("participations")
class Video(models.Model):
participation = models.ForeignKey(
"participation.Participation",
on_delete=models.CASCADE,
verbose_name=_("participation"),
)
link = models.URLField(
verbose_name=_("link"),
help_text=_("The full video link."),
)
valid = models.BooleanField(
null=True,
default=None,
verbose_name=_("valid"),
help_text=_("The video got the validation of the administrators."),
)
def __str__(self):
return _("Video of team {name} ({trigram})")\
.format(name=self.participation.team.name, trigram = self.participation.team.trigram)
class Meta:
verbose_name = _("video")
verbose_name_plural = _("videos")