forked from DGNum/gestioCOF
112 lines
3.6 KiB
Python
112 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.conf import settings
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from django.db import migrations, models
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from django.utils import timezone
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def fill_tirage_fields(apps, schema_editor):
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"""
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Create a `Tirage` to fill new field `tirage` of `Participant`
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and `Spectacle` already existing.
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"""
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Participant = apps.get_model("bda", "Participant")
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Spectacle = apps.get_model("bda", "Spectacle")
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Tirage = apps.get_model("bda", "Tirage")
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# These querysets only contains instances not linked to any `Tirage`.
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participants = Participant.objects.filter(tirage=None)
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spectacles = Spectacle.objects.filter(tirage=None)
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if not participants.count() and not spectacles.count():
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# No need to create a "trash" tirage.
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return
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tirage = Tirage.objects.create(
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title="Tirage de test (migration)",
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active=False,
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ouverture=timezone.now(),
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fermeture=timezone.now(),
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)
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participants.update(tirage=tirage)
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spectacles.update(tirage=tirage)
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class Migration(migrations.Migration):
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dependencies = [("bda", "0001_initial")]
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operations = [
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migrations.CreateModel(
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name="Tirage",
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fields=[
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(
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"id",
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models.AutoField(
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verbose_name="ID",
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serialize=False,
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auto_created=True,
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primary_key=True,
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),
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),
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("title", models.CharField(max_length=300, verbose_name=b"Titre")),
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(
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"ouverture",
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models.DateTimeField(
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verbose_name=b"Date et heure d'ouverture du tirage"
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),
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),
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(
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"fermeture",
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models.DateTimeField(
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verbose_name=b"Date et heure de fermerture du tirage"
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),
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),
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(
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"token",
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models.TextField(verbose_name=b"Graine du tirage", blank=True),
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),
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(
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"active",
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models.BooleanField(default=True, verbose_name=b"Tirage actif"),
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),
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],
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),
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migrations.AlterField(
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model_name="participant",
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name="user",
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field=models.ForeignKey(
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to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE
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),
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),
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# Create fields `spectacle` for `Participant` and `Spectacle` models.
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# These fields are not nullable, but we first create them as nullable
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# to give a default value for existing instances of these models.
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migrations.AddField(
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model_name="participant",
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name="tirage",
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field=models.ForeignKey(
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to="bda.Tirage", null=True, on_delete=models.CASCADE
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),
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),
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migrations.AddField(
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model_name="spectacle",
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name="tirage",
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field=models.ForeignKey(
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to="bda.Tirage", null=True, on_delete=models.CASCADE
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),
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),
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migrations.RunPython(fill_tirage_fields, migrations.RunPython.noop),
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migrations.AlterField(
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model_name="participant",
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name="tirage",
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field=models.ForeignKey(to="bda.Tirage", on_delete=models.CASCADE),
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),
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migrations.AlterField(
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model_name="spectacle",
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name="tirage",
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field=models.ForeignKey(to="bda.Tirage", on_delete=models.CASCADE),
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),
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]
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