103 lines
3.9 KiB
Python
103 lines
3.9 KiB
Python
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import typing
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from django.conf import settings
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from django.core.validators import MinLengthValidator
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from django.db import models, transaction
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from apps.alerts.models import AlertGroup
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from common.insight_log.chatops_insight_logs import ChatOpsEvent, ChatOpsTypePlug, write_chatops_insight_log
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from common.public_primary_keys import generate_public_primary_key, increase_public_primary_key_length
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def generate_public_primary_key_for_mattermost_channel():
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prefix = "MT"
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new_public_primary_key = generate_public_primary_key(prefix)
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failure_counter = 0
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while MattermostChannel.objects.filter(public_primary_key=new_public_primary_key).exists():
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new_public_primary_key = increase_public_primary_key_length(
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failure_counter=failure_counter, prefix=prefix, model_name="MattermostChannel"
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)
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failure_counter += 1
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return new_public_primary_key
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class MattermostChannel(models.Model):
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organization = models.ForeignKey(
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"user_management.Organization",
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on_delete=models.CASCADE,
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related_name="mattermost_channels",
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)
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public_primary_key = models.CharField(
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max_length=20,
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validators=[MinLengthValidator(settings.PUBLIC_PRIMARY_KEY_MIN_LENGTH + 1)],
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unique=True,
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default=generate_public_primary_key_for_mattermost_channel,
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)
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mattermost_team_id = models.CharField(max_length=100)
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channel_id = models.CharField(max_length=100)
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channel_name = models.CharField(max_length=100, default=None)
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display_name = models.CharField(max_length=100, default=None)
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is_default_channel = models.BooleanField(null=True, default=False)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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unique_together = ("organization", "channel_id")
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@classmethod
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def get_channel_for_alert_group(cls, alert_group: AlertGroup) -> typing.Optional["MattermostChannel"]:
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from apps.mattermost.backend import MattermostBackend # To avoid circular import
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default_channel = cls.objects.filter(
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organization=alert_group.channel.organization, is_default_channel=True
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).first()
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if (
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alert_group.channel_filter is None
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or not alert_group.channel_filter.notification_backends
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or not alert_group.channel_filter.notification_backends.get(MattermostBackend.backend_id)
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):
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return default_channel
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channel_id = alert_group.channel_filter.notification_backends[MattermostBackend.backend_id].get("channel")
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enabled = alert_group.channel_filter.notification_backends[MattermostBackend.backend_id].get("enabled")
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if not enabled:
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return None
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if not channel_id:
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return default_channel
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channel = cls.objects.filter(
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organization=alert_group.channel.organization, public_primary_key=channel_id
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).first()
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if not channel:
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return default_channel
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return channel
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def make_channel_default(self, author):
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try:
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old_default_channel = MattermostChannel.objects.get(organization=self.organization, is_default_channel=True)
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old_default_channel.is_default_channel = False
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except MattermostChannel.DoesNotExist:
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old_default_channel = None
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self.is_default_channel = True
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self.save(update_fields=["is_default_channel"])
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else:
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self.is_default_channel = True
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with transaction.atomic():
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old_default_channel.save(update_fields=["is_default_channel"])
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self.save(update_fields=["is_default_channel"])
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write_chatops_insight_log(
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author=author,
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event_name=ChatOpsEvent.DEFAULT_CHANNEL_CHANGED,
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chatops_type=ChatOpsTypePlug.MATTERMOST.value,
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prev_channel=old_default_channel.channel_name if old_default_channel else None,
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new_channel=self.channel_name,
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)
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