Files
pacnpal b860e332cb feat(state-machine): add comprehensive callback system for transitions
Extend state machine module with callback infrastructure including:
- Pre/post/error transition callbacks with registry
- Signal-based transition notifications
- Callback configuration and monitoring support
- Helper functions for callback registration
- Improved park ride count updates with FSM integration
2025-12-21 19:20:49 -05:00

74 lines
2.2 KiB
Python

import logging
from django.apps import AppConfig
logger = logging.getLogger(__name__)
class ParksConfig(AppConfig):
default_auto_field = "django.db.models.BigAutoField"
name = "apps.parks"
def ready(self):
import apps.parks.signals # noqa: F401 - Register signals
import apps.parks.choices # noqa: F401 - Register choices
self._apply_state_machines()
self._register_callbacks()
def _apply_state_machines(self):
"""Apply FSM to park models."""
from apps.core.state_machine import apply_state_machine
from apps.parks.models import Park
# Register FSM transitions for Park
apply_state_machine(
Park, field_name="status", choice_group="statuses", domain="parks"
)
def _register_callbacks(self):
"""Register FSM transition callbacks for park models."""
from apps.core.state_machine.registry import register_callback
from apps.core.state_machine.callbacks.cache import (
ParkCacheInvalidation,
APICacheInvalidation,
)
from apps.core.state_machine.callbacks.notifications import (
StatusChangeNotification,
)
from apps.core.state_machine.callbacks.related_updates import (
SearchTextUpdateCallback,
)
from apps.parks.models import Park
# Cache invalidation for all park status changes
register_callback(
Park, 'status', '*', '*',
ParkCacheInvalidation()
)
# API cache invalidation
register_callback(
Park, 'status', '*', '*',
APICacheInvalidation(include_geo_cache=True)
)
# Search text update
register_callback(
Park, 'status', '*', '*',
SearchTextUpdateCallback()
)
# Notification for significant status changes
register_callback(
Park, 'status', '*', 'CLOSED_PERM',
StatusChangeNotification(notify_admins=True)
)
register_callback(
Park, 'status', '*', 'DEMOLISHED',
StatusChangeNotification(notify_admins=True)
)
logger.debug("Registered park transition callbacks")