278 lines
8.5 KiB
Python
278 lines
8.5 KiB
Python
import os
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import re
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from corres2math.lists import get_sympa_client
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from corres2math.matrix import Matrix
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from django.core.exceptions import ObjectDoesNotExist
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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.template.loader import render_to_string
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from django.urls import reverse_lazy
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from django.utils import timezone
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from django.utils.crypto import get_random_string
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from django.utils.text import format_lazy
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from django.utils.translation import gettext_lazy as _
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from nio import RoomPreset, RoomVisibility
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class Team(models.Model):
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"""
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The Team model represents a real team that participates to the Correspondances.
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This only includes the registration detail.
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"""
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name = models.CharField(
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max_length=255,
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verbose_name=_("name"),
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unique=True,
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)
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trigram = models.CharField(
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max_length=3,
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verbose_name=_("trigram"),
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help_text=_("The trigram must be composed of three uppercase letters."),
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unique=True,
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validators=[RegexValidator("[A-Z]{3}")],
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)
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access_code = models.CharField(
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max_length=6,
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verbose_name=_("access code"),
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help_text=_("The access code let other people to join the team."),
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)
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grant_animath_access_videos = models.BooleanField(
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verbose_name=_("Grant Animath to publish my video"),
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help_text=_("Give the authorisation to publish the video on the main website to promote the action."),
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default=False,
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)
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@property
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def email(self):
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"""
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:return: The mailing list to contact the team members.
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"""
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return f"equipe-{self.trigram.lower()}@{os.getenv('SYMPA_HOST', 'localhost')}"
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def create_mailing_list(self):
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"""
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Create a new Sympa mailing list to contact the team.
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"""
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get_sympa_client().create_list(
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f"equipe-{self.trigram.lower()}",
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f"Équipe {self.name} ({self.trigram})",
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"hotline", # TODO Use a custom sympa template
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f"Liste de diffusion pour contacter l'équipe {self.name} des Correspondances",
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"education",
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raise_error=False,
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)
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def delete_mailing_list(self):
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"""
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Drop the Sympa mailing list, if the team is empty or if the trigram changed.
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"""
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get_sympa_client().delete_list(f"equipe-{self.trigram}")
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def save(self, *args, **kwargs):
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if not self.access_code:
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# if the team got created, generate the access code, create the contact mailing list
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# and create a dedicated Matrix room.
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self.access_code = get_random_string(6)
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self.create_mailing_list()
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Matrix.create_room(
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visibility=RoomVisibility.private,
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name=f"#équipe-{self.trigram.lower()}",
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alias=f"team-{self.trigram.lower()}",
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topic=f"Discussion de l'équipe {self.name}",
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preset=RoomPreset.private_chat,
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)
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return super().save(*args, **kwargs)
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def get_absolute_url(self):
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return reverse_lazy("participation:team_detail", args=(self.pk,))
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def __str__(self):
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return _("Team {name} ({trigram})").format(name=self.name, trigram=self.trigram)
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class Meta:
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verbose_name = _("team")
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verbose_name_plural = _("teams")
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indexes = [
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Index(fields=("trigram", )),
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]
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class Participation(models.Model):
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"""
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The Participation model contains all data that are related to the participation:
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chosen problem, validity status, videos,...
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"""
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team = models.OneToOneField(
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Team,
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on_delete=models.CASCADE,
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verbose_name=_("team"),
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)
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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,
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default=None,
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verbose_name=_("problem number"),
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)
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valid = models.BooleanField(
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null=True,
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default=None,
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verbose_name=_("valid"),
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help_text=_("The video got the validation of the administrators."),
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)
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solution = models.OneToOneField(
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"participation.Video",
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on_delete=models.SET_NULL,
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related_name="participation_solution",
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null=True,
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default=None,
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verbose_name=_("solution video"),
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)
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received_participation = models.OneToOneField(
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"participation.Participation",
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on_delete=models.PROTECT,
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related_name="sent_participation",
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null=True,
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default=None,
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verbose_name=_("received participation"),
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)
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synthesis = models.OneToOneField(
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"participation.Video",
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on_delete=models.SET_NULL,
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related_name="participation_synthesis",
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null=True,
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default=None,
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verbose_name=_("synthesis video"),
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)
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def get_absolute_url(self):
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return reverse_lazy("participation:participation_detail", args=(self.pk,))
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def __str__(self):
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return _("Participation of the team {name} ({trigram})").format(name=self.team.name, trigram=self.team.trigram)
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class Meta:
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verbose_name = _("participation")
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verbose_name_plural = _("participations")
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class Video(models.Model):
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"""
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The Video model only contains a link and a validity status.
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"""
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link = models.URLField(
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verbose_name=_("link"),
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help_text=_("The full video link."),
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)
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valid = models.BooleanField(
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null=True,
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default=None,
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verbose_name=_("valid"),
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help_text=_("The video got the validation of the administrators."),
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)
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@property
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def participation(self):
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"""
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Retrives the participation that is associated to this video,
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whatever it is a solution or a synthesis.
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"""
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try:
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# If this is a solution
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return self.participation_solution
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except ObjectDoesNotExist:
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# If this is a synthesis
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return self.participation_synthesis
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@property
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def platform(self):
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"""
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According to the link, retrieve the platform that is used to upload the video.
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"""
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if "youtube.com" in self.link or "youtu.be" in self.link:
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return "youtube"
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return "unknown"
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@property
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def youtube_code(self):
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"""
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If the video is uploaded on Youtube, search in the URL the video code.
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"""
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return re.compile("(https?://|)(www\\.|)(youtube\\.com/watch\\?v=|youtu\\.be/)([a-zA-Z0-9-_]*)?.*?")\
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.match("https://www.youtube.com/watch?v=73nsrixx7eI").group(4)
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def as_iframe(self):
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"""
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Generate the HTML code to embed the video in an iframe, according to the type of the host platform.
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"""
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if self.platform == "youtube":
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return render_to_string("participation/youtube_iframe.html", context=dict(youtube_code=self.youtube_code))
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return None
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def __str__(self):
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return _("Video of team {name} ({trigram})")\
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.format(name=self.participation.team.name, trigram=self.participation.team.trigram)
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class Meta:
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verbose_name = _("video")
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verbose_name_plural = _("videos")
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class Phase(models.Model):
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"""
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The Phase model corresponds to the dates of the phase.
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"""
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phase_number = models.AutoField(
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primary_key=True,
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unique=True,
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verbose_name=_("phase number"),
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)
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description = models.CharField(
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max_length=255,
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verbose_name=_("phase description"),
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)
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start = models.DateTimeField(
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verbose_name=_("start date of the given phase"),
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default=timezone.now,
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)
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end = models.DateTimeField(
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verbose_name=_("end date of the given phase"),
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default=timezone.now,
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)
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@classmethod
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def current_phase(cls):
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"""
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Retrieve the current phase of this day
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"""
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qs = Phase.objects.filter(start__lte=timezone.now(), end__gte=timezone.now())
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if qs.exists():
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return qs.get()
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qs = Phase.objects.order_by("phase_number").all()
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if timezone.now() < qs.first().start:
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return qs.first()
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return qs.last()
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def __str__(self):
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return _("Phase {phase_number:d} starts on {start:%Y-%m-%d %H:%M} and ends on {end:%Y-%m-%d %H:%M}")\
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.format(phase_number=self.phase_number, start=self.start, end=self.end)
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class Meta:
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verbose_name = _("phase")
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verbose_name_plural = _("phases")
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