106 lines
3.6 KiB
Python
106 lines
3.6 KiB
Python
# Generated by Django 4.1.3 on 2023-01-18 03:31
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import django.core.validators
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from django.db import migrations, models
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import django.db.models.deletion
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def link_departments(apps, schema_editor):
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CertificationDefinition = apps.get_model("paperwork", "CertificationDefinition")
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Department = apps.get_model("paperwork", "Department")
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for certification_definition in CertificationDefinition.objects.all():
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department, created = Department.objects.get_or_create(
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name=certification_definition.old_department
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)
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certification_definition.department = department
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certification_definition.save()
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class Migration(migrations.Migration):
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dependencies = [
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("membershipworks", "0001_initial"),
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("paperwork", "0005_certificationdefinition_mailing_list"),
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]
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operations = [
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migrations.CreateModel(
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name="Department",
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fields=[
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(
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"id",
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models.BigAutoField(
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auto_created=True,
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primary_key=True,
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serialize=False,
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verbose_name="ID",
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),
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),
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(
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"name",
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models.CharField(
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help_text="This will also be used to generate the mailing list name",
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max_length=64,
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validators=[
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django.core.validators.RegexValidator("^[-_ A-Za-z0-9]*$")
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],
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),
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),
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(
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"list_reply_to_address",
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models.EmailField(blank=True, max_length=254),
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),
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(
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"list_moderator_flag",
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models.ForeignKey(
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blank=True,
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null=True,
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db_constraint=False,
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on_delete=django.db.models.deletion.PROTECT,
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to="membershipworks.flag",
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),
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),
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(
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"parent",
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models.ForeignKey(
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blank=True,
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null=True,
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on_delete=django.db.models.deletion.PROTECT,
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related_name="children",
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to="paperwork.department",
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),
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),
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],
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),
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# rename the old field so that we can reuse the name
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migrations.RenameField(
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model_name="certificationdefinition",
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old_name="department",
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new_name="old_department",
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),
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# Create nullable foreign key to department
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migrations.AddField(
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model_name="certificationdefinition",
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name="department",
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field=models.ForeignKey(
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on_delete=django.db.models.deletion.PROTECT,
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to="paperwork.department",
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null=True,
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),
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),
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# create new Departments and link them to Certification Definitions
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migrations.RunPython(link_departments, atomic=True),
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# make department not nullable
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migrations.AlterField(
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model_name="certificationdefinition",
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name="department",
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field=models.ForeignKey(
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on_delete=django.db.models.deletion.PROTECT, to="paperwork.department"
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),
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),
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migrations.RemoveField(
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model_name="certificationdefinition",
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name="old_department",
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),
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]
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