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53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
from django.db import migrations
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import json
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def create_default_refresh_tasks(apps, schema_editor):
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"""
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Creates a PeriodicTask for each existing EPGSource that doesn't have one.
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"""
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IntervalSchedule = apps.get_model("django_celery_beat", "IntervalSchedule")
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PeriodicTask = apps.get_model("django_celery_beat", "PeriodicTask")
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EPGSource = apps.get_model("epg", "EPGSource")
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default_interval, _ = IntervalSchedule.objects.get_or_create(
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every=24,
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period="hours",
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)
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for account in EPGSource.objects.all():
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if account.refresh_task:
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continue
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task_name = f"epg_source-refresh-{account.id}"
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refresh_task = PeriodicTask.objects.create(
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name=task_name,
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interval=default_interval,
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task="apps.epg.tasks.refresh_epg_data",
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kwargs=json.dumps({"account_id": account.id}),
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)
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account.refresh_task = refresh_task
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account.save(update_fields=["refresh_task"])
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def reverse_migration(apps, schema_editor):
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IntervalSchedule = apps.get_model("django_celery_beat", "IntervalSchedule")
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PeriodicTask = apps.get_model("django_celery_beat", "PeriodicTask")
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EPGSource = apps.get_model("epg", "EPGSource")
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for account in EPGSource.objects.all():
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IntervalSchedule.objects.all().delete()
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PeriodicTask.objects.all().delete()
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class Migration(migrations.Migration):
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dependencies = [
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("epg", "0006_epgsource_refresh_interval_epgsource_refresh_task"),
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("django_celery_beat", "0019_alter_periodictasks_options"),
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]
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operations = [
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migrations.RunPython(create_default_refresh_tasks, reverse_migration),
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]
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