healthchecks/hc/api/migrations/0067_last_error_values.py

# Generated by Django 3.0.1 on 2020-01-02 14:28

from django.db import migrations


def fill_last_errors(apps, schema_editor):
    Channel = apps.get_model("api", "Channel")
    Notification = apps.get_model("api", "Notification")
    for ch in Channel.objects.all():
        error = ""
        try:
            n = Notification.objects.filter(channel=ch).latest()
            error = n.error
        except Notification.DoesNotExist:
            pass

        ch.last_error = error
        ch.save()


class Migration(migrations.Migration):

    dependencies = [
        ("api", "0066_channel_last_error"),
    ]

    operations = [migrations.RunPython(fill_last_errors, migrations.RunPython.noop)]