MARKTPLATZ/marktplatz/signals.py

from django.dispatch import receiver
from django.urls import reverse
from django.db.models.signals import post_delete, post_save

from constance import config
from post_office import mail
from django.core.mail import EmailMessage
from django.core.mail import EmailMultiAlternatives

from .models import *



@receiver(post_save, sender=Product)
@receiver(post_save, sender=Wohnprojekt)
def search_agent(sender, instance, update_fields=None, **kwargs):
    # print(instance)
    # print(sender)
    # print(update_fields)
    # print ( instance.current_uri )
    # if update_fields != None:
    #     print(update_fields)

    if 'frei' in update_fields:
        if instance.frei == 'JAJA' :
            for agent in SearchAgent.objects.all():
                for agentOrt in agent.ort:
                    if agentOrt == instance.ort:

                        context = {}

                        context['product_name']=instance.name
                        context['product_claim']=instance.claim
                        context['product_beschreibung']=instance.beschreibung
                        context['product_learning']=instance.learning
                        context['product_gruendungsjahr']=instance.gruendungsjahr
                        context['product_betriebgenommen']=instance.betriebgenommen
                        context['product_status']=instance.status
                        context['product_adresse']=instance.adresse
                        context['product_plz']=instance.plz
                        context['product_adresse_zusatz']=instance.adresse_zusatz
                        context['product_ort']=instance.ort
                        context['product_website']=instance.website
                        context['current_uri']=instance.current_uri

                        context['agent_delete_url']= instance.current_uri + reverse(  'search-agent-delete' , kwargs={ 'pk': agent.pk, 'hash': agent.hash }   )

                        context['agent_email'] = agent.email
                        context['agent_hash']  = agent.hash

                        context['recipient'] = [ agent.email, ]
                        context['msg_subject' ] = ('Gemeinschaffen - ' + instance.name )


                        mail.send(
                            context['recipient'],
                            config.EMAIL_NOREPLY,
                            context = context,
                            template='generic',
                            headers={  'Reply-To': context['agent_email']  },
                            priority='now',
                        )