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https://github.com/Southampton-RSG/breccia-mapper.git
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5035b121a6
This means we're starting to use the same system for person questions as for relationship questions
66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
# Generated by Django 2.2.10 on 2020-11-25 15:50
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from django.core.exceptions import ObjectDoesNotExist
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from django.db import migrations
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from django.utils import timezone
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from .utils.question_sets import port_question
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def migrate_forward(apps, schema_editor):
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Person = apps.get_model('people', 'Person')
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Role = apps.get_model('people', 'Role')
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role_question = port_question(apps, 'Role',
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Role.objects.values_list('name', flat=True))
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for person in Person.objects.all():
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try:
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prev_set = person.answer_sets.latest('timestamp')
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except ObjectDoesNotExist:
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prev_set = None
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try:
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answer_set = person.answer_sets.create()
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answer_set.question_answers.add(
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role_question.answers.get(text=person.role.name))
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prev_set.replaced_timestamp = timezone.datetime.now()
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except AttributeError:
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pass
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def migrate_backward(apps, schema_editor):
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Person = apps.get_model('people', 'Person')
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Role = apps.get_model('people', 'Role')
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for person in Person.objects.all():
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try:
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current_answers = person.answer_sets.latest('timestamp')
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role_answer = current_answers.question_answers.get(
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question__text='Role')
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person.role, _ = Role.objects.get_or_create(name=role_answer.text)
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person.save()
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except ObjectDoesNotExist:
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pass
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class Migration(migrations.Migration):
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dependencies = [
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('people', '0022_refactor_person_questions'),
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]
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operations = [
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migrations.RunPython(migrate_forward, migrate_backward),
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migrations.RemoveField(
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model_name='person',
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name='role',
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),
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migrations.DeleteModel('Role'),
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]
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