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39 lines
1.4 KiB
39 lines
1.4 KiB
from django.db.models.signals import post_save, post_delete, m2m_changed
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from django.dispatch import receiver
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from utils.cache import invalidate_cache_patterns
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from .models import *
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# 1. Define all models that affect the list
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# If a Category title changes, the list must update.
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# If a Status changes, the list must update.
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TARGET_MODELS = [
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Hadis, HadisCategory, HadisCollection, HadisCorrection, HadisInCollection, HadisReference,
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HadisSect, HadisStatus, HadisTag, HadisTransmitter, Transmitters, TransmitterOpinion, TransmitterReliability,
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TransmitterOriginalText, ReferenceImage, BookReference, BookAttribute, BookAuthor, BookReferenceImage,
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NarratorLayer, OpinionStatus, ContentRelease,
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CorrectionReference, BookEdition, BookVolume, CorrectionReferenceImage
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]
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def invalidate_hadis_cache():
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"""
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Deletes all Redis cache keys matching '*hadis_api*'.
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"""
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return invalidate_cache_patterns("*hadis_api*")
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@receiver(post_save)
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@receiver(post_delete)
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def clear_hadis_cache(sender, instance, **kwargs):
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"""
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Clears the API cache whenever a Hadith or related model is saved/deleted.
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"""
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if sender in TARGET_MODELS:
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invalidate_hadis_cache()
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@receiver(m2m_changed)
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def clear_hadis_cache_on_m2m(sender, instance, action, **kwargs):
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if action in ('post_add', 'post_remove', 'post_clear'):
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if isinstance(instance, tuple(TARGET_MODELS)):
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invalidate_hadis_cache()
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