email cascade establishment

apps/establishment/models.py

@@ -514,6 +514,9 @@ class EstablishmentQuerySet(models.QuerySet):
                             to_attr='main_image')
         )
 
+    def with_contacts(self):
+        return self.prefetch_related('emails', 'phones')
+
 
 class Establishment(GalleryMixin, ProjectBaseMixin, URLImageMixin,
                     TranslatedFieldsMixin, HasTagsMixin, FavoritesMixin):
@@ -817,6 +820,11 @@ class Establishment(GalleryMixin, ProjectBaseMixin, URLImageMixin,
         if self.phones:
             return [phone.phone.as_e164 for phone in self.phones.all()]
 
+    @property
+    def contact_emails(self):
+        if self.phones:
+            return [email.email for email in self.emails.all()]
+
     @property
     def establishment_subtype_labels(self):
         if self.establishment_subtypes:

apps/establishment/serializers/back.py

@@ -6,7 +6,7 @@ from rest_framework import serializers
 
 from account.serializers.common import UserShortSerializer
 from establishment import models, serializers as model_serializers
-from establishment.models import ContactPhone, EstablishmentEmployee
+from establishment.models import ContactPhone, EstablishmentEmployee, ContactEmail
 from gallery.models import Image
 from location.models import Address
 from location.serializers import AddressDetailSerializer, TranslatedField
@@ -26,6 +26,16 @@ def phones_handler(phones_list, establishment):
         ContactPhone.objects.create(establishment=establishment, phone=new_phone)
 
 
+def emails_handler(emails_list, establishment):
+    """
+    create or update emails for establishment
+    """
+    ContactEmail.objects.filter(establishment=establishment).delete()
+
+    for new_email in emails_list:
+        ContactEmail.objects.create(establishment=establishment, email=new_email)
+
+
 class EstablishmentListCreateSerializer(model_serializers.EstablishmentBaseSerializer):
     """Establishment create serializer"""
 
@@ -39,8 +49,6 @@ class EstablishmentListCreateSerializer(model_serializers.EstablishmentBaseSeria
         queryset=models.Address.objects.all(),
         write_only=True
     )
-    emails = model_serializers.ContactEmailsSerializer(read_only=True,
-                                                       many=True, )
     socials = model_serializers.SocialNetworkRelatedSerializers(read_only=True,
                                                                 many=True, )
     type = model_serializers.EstablishmentTypeBaseSerializer(source='establishment_type',
@@ -55,6 +63,13 @@ class EstablishmentListCreateSerializer(model_serializers.EstablishmentBaseSeria
         child=serializers.CharField(max_length=128),
         required=False,
     )
+    emails = serializers.ListField(
+        source='contact_emails',
+        allow_null=True,
+        allow_empty=True,
+        child=serializers.CharField(max_length=128),
+        required=False,
+    )
 
     class Meta:
         model = models.Establishment
@@ -87,8 +102,13 @@ class EstablishmentListCreateSerializer(model_serializers.EstablishmentBaseSeria
         if 'contact_phones' in validated_data:
             phones_list = validated_data.pop('contact_phones')
 
+        emails_list = []
+        if 'contact_emails' in validated_data:
+            emails_list = validated_data.pop('contact_emails')
+
         instance = super().create(validated_data)
         phones_handler(phones_list, instance)
+        emails_handler(emails_list, instance)
         return instance
 
 
@@ -113,8 +133,13 @@ class EstablishmentRUDSerializer(model_serializers.EstablishmentBaseSerializer):
         queryset=models.EstablishmentType.objects.all(), write_only=True
     )
     address = AddressDetailSerializer()
-    emails = model_serializers.ContactEmailsSerializer(read_only=False,
+    emails = serializers.ListField(
-                                                       many=True, )
+        source='contact_emails',
+        allow_null=True,
+        allow_empty=True,
+        child=serializers.CharField(max_length=128),
+        required=False,
+    )
     socials = model_serializers.SocialNetworkRelatedSerializers(read_only=False,
                                                                 many=True, )
     type = model_serializers.EstablishmentTypeBaseSerializer(source='establishment_type')
@@ -152,8 +177,13 @@ class EstablishmentRUDSerializer(model_serializers.EstablishmentBaseSerializer):
         if 'contact_phones' in validated_data:
             phones_list = validated_data.pop('contact_phones')
 
+        emails_list = []
+        if 'contact_emails' in validated_data:
+            emails_list = validated_data.pop('contact_emails')
+
         instance = super().update(instance, validated_data)
         phones_handler(phones_list, instance)
+        emails_handler(emails_list, instance)
         return instance
 
 

apps/establishment/views/back.py

@@ -19,7 +19,7 @@ class EstablishmentMixinViews:
 
     def get_queryset(self):
         """Overrided method 'get_queryset'."""
-        return models.Establishment.objects.with_base_related()
+        return models.Establishment.objects.with_base_related().with_contacts()
 
 
 class EstablishmentListCreateView(EstablishmentMixinViews, generics.ListCreateAPIView):