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12d7ce5629
this helps catching some _real_ errors while saving us from having to format automatically generated code
40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# Generated by Django 4.2.18 on 2025-01-31 14:40
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from django.db import migrations
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def set_event_grouping(apps, schema_editor):
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# We can just deduce the grouping from the issue, because manual merging of issues has no UI yet, i.e. as it stands
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# an issue always has exactly one grouping.
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# This is slightly optimized under the assumption that in cases where there are very many events, there a orders of
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# magnitude fewer issues, so we iterate over issues and then filter events by issue, rather than iterating over
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# events and then getting the issue for each event.
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# Naive impl.:
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# Event = apps.get_model("events", "Event")
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# for event in Event.objects.all():
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# event.grouping = event.issue.grouping_set.first()
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# event.save()
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Event = apps.get_model("events", "Event")
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Issue = apps.get_model("issues", "Issue")
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for issue in Issue.objects.all():
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grouping = issue.grouping_set.first()
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Event.objects.filter(issue=issue).update(grouping=grouping)
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class Migration(migrations.Migration):
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dependencies = [
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("events", "0014_event_grouping"), # This is the previous migration
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("issues", "0002_initial"), # Defines Issue.grouping
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# Previously, we depended on the below, but given the above that seems too restrictive.
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# ("issues", "0007_alter_turningpoint_options"), #
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]
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operations = [
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migrations.RunPython(set_event_grouping),
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]
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