47 lines
1.9 KiB
Python
47 lines
1.9 KiB
Python
import logging
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from django.core.exceptions import ValidationError
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logger = logging.getLogger("bornhack.%s" % __name__)
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def check_speaker_event_camp_consistency(sender, instance, **kwargs):
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if kwargs["action"] == "pre_add":
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from program.models import Speaker, Event
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if isinstance(instance, Event):
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# loop over speakers being added to this event
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for pk in kwargs["pk_set"]:
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# check if this speaker belongs to a different Camp than the event does
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speaker = Speaker.objects.get(id=pk)
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if speaker.camp != instance.camp:
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raise ValidationError(
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{
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"speakers": "The speaker (%s) belongs to a different camp (%s) than the event does (%s)"
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% (speaker, speaker.camp, instance.camp)
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}
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)
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elif isinstance(instance, Speaker):
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# loop over events being added to this speaker
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for pk in kwargs["pk_set"]:
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# check if this event belongs to a different Camp than the speaker does
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event = Event.objects.get(id=pk)
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if event.camp != instance.camp:
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raise ValidationError(
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{
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"events": "The event (%s) belongs to a different camp (%s) than the event does (%s)"
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% (event, event.camp, instance.camp)
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}
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)
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def check_speaker_camp_change(sender, instance, **kwargs):
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if instance.pk:
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for event in instance.events.all():
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if event.camp != instance.camp:
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raise ValidationError(
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{
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"camp": "You cannot change the camp a speaker belongs to if the speaker is associated with one or more events."
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}
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)
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