junction/junction/conferences/migrations/0014_conferencesettings.py at 286ed42fced3a0839a90b96653d6d0e25903cc9e · pythonindia/junction · GitHub

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# -*- coding: utf-8 -*-
from __future__ import unicode_literals

from django.conf import settings
from django.db import migrations, models

from junction.base.constants import ConferenceSettingConstants


def add_default_values(apps, schema_editor):
    """Add all default values"""
    ConferenceSetting = apps.get_model("conferences", "ConferenceSetting")
    public_voting = ConferenceSettingConstants.ALLOW_PUBLIC_VOTING_ON_PROPOSALS
    display_propsals = ConferenceSettingConstants.DISPLAY_PROPOSALS_IN_PUBLIC
    allow_plus_zero_vote = ConferenceSettingConstants.ALLOW_PLUS_ZERO_REVIEWER_VOTE

    Conference = apps.get_model("conferences", "Conference")
    for conf in Conference.objects.all():
        ConferenceSetting.objects.create(
            name=public_voting["name"],
            value=public_voting["value"],
            description=public_voting["description"],
            conference=conf,
        )
        ConferenceSetting.objects.create(
            name=display_propsals["name"],
            value=display_propsals["value"],
            description=display_propsals["description"],
            conference=conf,
        )
        ConferenceSetting.objects.create(
            name=allow_plus_zero_vote["name"],
            value=allow_plus_zero_vote["value"],
            description=allow_plus_zero_vote["description"],
            conference=conf,
        )


def remove_default_values(apps, schema_editor):
    ConferenceSetting = apps.get_model("conferences", "ConferenceSetting")
    objs = ConferenceSetting.objects.all()
    for obj in objs:
        obj.delete()


class Migration(migrations.Migration):

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
        ("conferences", "0013_auto_20160131_1954"),
    ]

    operations = [
        migrations.CreateModel(
            name="ConferenceSetting",
            fields=[
                (
                    "id",
                    models.AutoField(
                        verbose_name="ID",
                        serialize=False,
                        auto_created=True,
                        primary_key=True,
                    ),
                ),
                (
                    "created_at",
                    models.DateTimeField(auto_now_add=True, verbose_name="Created At"),
                ),
                (
                    "modified_at",
                    models.DateTimeField(
                        auto_now=True, verbose_name="Last Modified At"
                    ),
                ),
                ("name", models.CharField(max_length=100, db_index=True)),
                ("value", models.BooleanField(default=False)),
                ("description", models.CharField(max_length=255)),
                (
                    "conference",
                    models.ForeignKey(
                        to="conferences.Conference",
                        on_delete=models.deletion.CASCADE,
                    ),
                ),
                (
                    "created_by",
                    models.ForeignKey(
                        related_name="created_conferencesetting_set",
                        verbose_name="Created By",
                        blank=True,
                        on_delete=models.deletion.CASCADE,
                        to=settings.AUTH_USER_MODEL,
                        null=True,
                    ),
                ),
                (
                    "modified_by",
                    models.ForeignKey(
                        related_name="updated_conferencesetting_set",
                        verbose_name="Modified By",
                        blank=True,
                        on_delete=models.deletion.CASCADE,
                        to=settings.AUTH_USER_MODEL,
                        null=True,
                    ),
                ),
            ],
            options={"abstract": False},
            bases=(models.Model,),
        ),
        migrations.RunPython(add_default_values, remove_default_values),
    ]