django-eav2/eav/migrations/0001_initial.py

# Generated by Django 2.0.4 on 2018-06-01 09:36

import django.db.models.deletion
import django.utils.timezone
from django.db import migrations, models

import eav.fields


class Migration(migrations.Migration):
    """Initial migration for the Attribute, EnumGroup, EnumValue, and Value models."""

    initial = True

    dependencies = [
        ("contenttypes", "0002_remove_content_type_name"),
    ]

    operations = [
        migrations.CreateModel(
            name="Attribute",
            fields=[
                (
                    "id",
                    models.AutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                (
                    "name",
                    models.CharField(
                        help_text="User-friendly attribute name",
                        max_length=100,
                        verbose_name="Name",
                    ),
                ),
                (
                    "slug",
                    models.SlugField(
                        help_text="Short unique attribute label",
                        unique=True,
                        verbose_name="Slug",
                    ),
                ),
                (
                    "description",
                    models.CharField(
                        blank=True,
                        help_text="Short description",
                        max_length=256,
                        null=True,
                        verbose_name="Description",
                    ),
                ),
                (
                    "datatype",
                    eav.fields.EavDatatypeField(
                        choices=[
                            ("text", "Text"),
                            ("date", "Date"),
                            ("float", "Float"),
                            ("int", "Integer"),
                            ("bool", "True / False"),
                            ("object", "Django Object"),
                            ("enum", "Multiple Choice"),
                        ],
                        max_length=6,
                        verbose_name="Data Type",
                    ),
                ),
                (
                    "created",
                    models.DateTimeField(
                        default=django.utils.timezone.now,
                        editable=False,
                        verbose_name="Created",
                    ),
                ),
                (
                    "modified",
                    models.DateTimeField(auto_now=True, verbose_name="Modified"),
                ),
                (
                    "required",
                    models.BooleanField(default=False, verbose_name="Required"),
                ),
                (
                    "display_order",
                    models.PositiveIntegerField(
                        default=1,
                        verbose_name="Display order",
                    ),
                ),
            ],
            options={
                "ordering": ["name"],
            },
        ),
        migrations.CreateModel(
            name="EnumGroup",
            fields=[
                (
                    "id",
                    models.AutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                (
                    "name",
                    models.CharField(max_length=100, unique=True, verbose_name="Name"),
                ),
            ],
        ),
        migrations.CreateModel(
            name="EnumValue",
            fields=[
                (
                    "id",
                    models.AutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                (
                    "value",
                    models.CharField(
                        db_index=True,
                        max_length=50,
                        unique=True,
                        verbose_name="Value",
                    ),
                ),
            ],
        ),
        migrations.CreateModel(
            name="Value",
            fields=[
                (
                    "id",
                    models.AutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                ("entity_id", models.IntegerField()),
                ("value_text", models.TextField(blank=True, null=True)),
                ("value_float", models.FloatField(blank=True, null=True)),
                ("value_int", models.IntegerField(blank=True, null=True)),
                ("value_date", models.DateTimeField(blank=True, null=True)),
                ("value_bool", models.NullBooleanField()),
                ("generic_value_id", models.IntegerField(blank=True, null=True)),
                (
                    "created",
                    models.DateTimeField(
                        default=django.utils.timezone.now,
                        verbose_name="Created",
                    ),
                ),
                (
                    "modified",
                    models.DateTimeField(auto_now=True, verbose_name="Modified"),
                ),
                (
                    "attribute",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.PROTECT,
                        to="eav.Attribute",
                        verbose_name="Attribute",
                    ),
                ),
                (
                    "entity_ct",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.PROTECT,
                        related_name="value_entities",
                        to="contenttypes.ContentType",
                    ),
                ),
                (
                    "generic_value_ct",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.PROTECT,
                        related_name="value_values",
                        to="contenttypes.ContentType",
                    ),
                ),
                (
                    "value_enum",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.PROTECT,
                        related_name="eav_values",
                        to="eav.EnumValue",
                    ),
                ),
            ],
        ),
        migrations.AddField(
            model_name="enumgroup",
            name="values",
            field=models.ManyToManyField(to="eav.EnumValue", verbose_name="Enum group"),
        ),
        migrations.AddField(
            model_name="attribute",
            name="enum_group",
            field=models.ForeignKey(
                blank=True,
                null=True,
                on_delete=django.db.models.deletion.PROTECT,
                to="eav.EnumGroup",
                verbose_name="Choice Group",
            ),
        ),
    ]