35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
# Generated by Finn Stutzenstein on 2019-03-01 10:02
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from django.db import migrations
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def set_reference_projector(apps, schema_editor):
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"""
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Sets all references to one projector. Tries to get the id from the former
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config value. If there is no config or the id is invalid, the first projector
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will be taken
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"""
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ConfigStore = apps.get_model("core", "ConfigStore")
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Projector = apps.get_model("core", "Projector")
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try:
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config = ConfigStore.objects.get(
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key="projector_currentListOfSpeakers_reference"
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)
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reference_id = config.value
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config.delete() # cleanup. this config is not needed anymore
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reference_projector = Projector.objects.get(pk=reference_id)
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except (ConfigStore.DoesNotExist, Projector.DoesNotExist):
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reference_projector = Projector.objects.first()
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for projector in Projector.objects.all():
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projector.reference_projector = reference_projector
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projector.save(skip_autoupdate=True)
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class Migration(migrations.Migration):
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dependencies = [("core", "0019_countdown_title_2")]
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operations = [migrations.RunPython(set_reference_projector)]
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