# Source code for django_celery_beat.signals

    """Django Application signals."""

    def signals_connect():
        """Connect to signals."""
        from django.db.models import signals

        from .models import (ClockedSchedule, CrontabSchedule, IntervalSchedule,
                             PeriodicTask, PeriodicTasks, SolarSchedule)

        signals.pre_save.connect(
            PeriodicTasks.changed, sender=PeriodicTask
        )
        signals.pre_delete.connect(
            PeriodicTasks.changed, sender=PeriodicTask
        )

        signals.post_save.connect(
            PeriodicTasks.update_changed, sender=IntervalSchedule
        )
        signals.pre_delete.connect(
            PeriodicTasks.update_changed, sender=IntervalSchedule
        )

        signals.post_save.connect(
            PeriodicTasks.update_changed, sender=CrontabSchedule
        )
        signals.post_delete.connect(
            PeriodicTasks.update_changed, sender=CrontabSchedule
        )

        signals.post_save.connect(
            PeriodicTasks.update_changed, sender=SolarSchedule
        )
        signals.post_delete.connect(
            PeriodicTasks.update_changed, sender=SolarSchedule
        )

        signals.post_save.connect(
            PeriodicTasks.update_changed, sender=ClockedSchedule
        )
        signals.post_delete.connect(
            PeriodicTasks.update_changed, sender=ClockedSchedule
        )