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2b62928b42
This update introduces Redis caching for grouped settings in the CoreSettings model, improving performance by reducing database queries. A new method, `get_network_access_settings`, is added to streamline access to network settings. Additionally, the `setting_flag_enabled` function is introduced to handle boolean settings more robustly. The cache is invalidated on save and delete operations, ensuring data consistency. Tests have been added to validate the caching behavior and the new settings functionality.
47 lines
1.9 KiB
Python
47 lines
1.9 KiB
Python
from django.db.models.signals import pre_delete, post_delete, post_save
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from django.dispatch import receiver
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from django.core.exceptions import ValidationError
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from .models import StreamProfile, CoreSettings, NETWORK_ACCESS_KEY
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@receiver(pre_delete, sender=StreamProfile)
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def prevent_deletion_if_locked(sender, instance, **kwargs):
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if instance.locked:
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raise ValidationError("This profile is locked and cannot be deleted.")
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@receiver(post_save, sender=CoreSettings)
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@receiver(post_delete, sender=CoreSettings)
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def handle_coresettings_cache_invalidation(sender, instance, **kwargs):
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"""Drop Redis group cache whenever a CoreSettings row is saved or deleted."""
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CoreSettings.invalidate_group_cache(instance.key)
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@receiver(post_save, sender=CoreSettings)
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def handle_network_access_update(sender, instance, **kwargs):
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"""Sync developer notifications when network access settings change."""
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if instance.key != NETWORK_ACCESS_KEY:
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return
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from django.core.cache import cache
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from core.developer_notifications import sync_developer_notifications
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import logging
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logger = logging.getLogger(__name__)
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# Invalidate all notification condition caches
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try:
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cache.delete_pattern('dev_notif_condition_*')
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logger.info("Invalidated notification condition cache due to network access settings update")
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except Exception as e:
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logger.warning(f"Failed to delete cache pattern: {e}")
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# Fallback: try to clear entire cache (if delete_pattern not supported)
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try:
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cache.clear()
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except Exception:
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pass
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# Re-sync developer notifications to re-evaluate conditions
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# (websocket notification is sent by sync_developer_notifications)
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try:
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sync_developer_notifications()
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logger.info("Re-synced developer notifications after network access settings update")
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except Exception as e:
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logger.error(f"Failed to sync developer notifications: {e}")
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