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33 lines
1.5 KiB
33 lines
1.5 KiB
# hadith_app/signals.py
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from django.db.models.signals import post_save, post_delete
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from django.dispatch import receiver
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from django.core.cache import cache
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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 = [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 ]
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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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# This is the magic command from django-redis
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# It finds ALL keys starting with the prefix and deletes them
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# *:1: is the default django version prefix
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try:
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# Delete any key that contains our prefix "hadis_api"
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# The pattern "*hadis_api*" ensures we catch all variations (headers, pages, etc)
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cache.delete_pattern("*hadis_api*")
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print(f"Cache cleared for {sender.__name__} update!")
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except Exception as e:
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# Fail silently or log error, don't crash the save transaction
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print(f"Cache clear failed: {e}")
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