from django.db import models


class JobRun(models.Model):
    """The record of one run of one job. Owned by `scheduler` (AD-19)."""

    class Status(models.TextChoices):
        RUNNING = "running"
        OK = "ok"
        ERROR = "error"

    job = models.CharField(max_length=60)
    started_at = models.DateTimeField()
    finished_at = models.DateTimeField(null=True, blank=True)
    status = models.CharField(max_length=10, choices=Status.choices, default=Status.RUNNING)
    # A short summary, or the name of the error. Never personal content.
    detail = models.CharField(max_length=200, blank=True)

    class Meta:
        indexes = [models.Index(fields=["job", "-started_at"])]
        ordering = ["-started_at", "-id"]