"""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
    )