class SearcherNotificationSerializer(serializers.ModelSerializer):
offer = OfferSerializer()
discount = DiscountSerializer()
class Meta:
model = SearcherNotification
exclude = ['searcher']
class EventSerializer(serializers.ModelSerializer):
name = serializers.CharField(max_length=50)
city = serializers.CharField(max_length=50)
venue = serializers.CharField(max_length=50)
genre = serializers.CharField(max_length=20)
date = serializers.DateTimeField()
description = serializers.CharField(max_length=255)
offers = OfferSerializer(many=True, required=False)
class Meta:
model = Event
fields = ('name', 'city', 'venue', 'genre', 'date', 'description',
'offers')
def create(self, validated_data):
return Event.objects.create(**validated_data)
def update(self, instance, validated_data):
instance.name = validated_data.get('name', instance.name)
instance.city = validated_data.get('city', instance.city)
instance.venue = validated_data.get('venue', instance.venue)
instance.genre = validated_data.get('genre', instance.genre)
instance.date = validated_data.get('date', instance.date)
instance.description = validated_data.get('description',
instance.description)
instance.save()
return instance
class AdvertiserNotificationSerializer(serializers.ModelSerializer):
offer = OfferSerializer()
discount = DiscountSerializer()
story = StorySerializer()
class Meta:
model = AdvertiserNotification
exclude = ['advertiser']
class ConversationSerializer(serializers.HyperlinkedModelSerializer):
"""
Conversation seralizer. Used to obtain basic conversation fields.
"""
interlocutor_1 = UserSerializer(read_only=True)
interlocutor_2 = UserSerializer(read_only=True)
offer = OfferSerializer(read_only=True)
class Meta:
model = Conversation
fields = [
'id', 'timestamp', 'interlocutor_1', 'interlocutor_2', 'offer',
'messages'
]
depth = 1
def save(self, offers_data: dict, client_instance: object):
instance_offer_history = HistoryOfferModel.objects.create(
client=client_instance)
for offers in offers_data:
serial = OfferSerializer(data=offers)
try:
serial.is_valid()
serial.save(history_offers=instance_offer_history)
except Exception as e:
logging.error(f'In OffersListView view: {e}'.encode('utf-8'))
def search_offers_by_client(self, client_data, client_modifiable=True):
self.query_db_client = ClientService.filter_client(
self, client_data=client_data)
if self.query_db_client.exists():
self.query_db = self.filter_history_offer(client_data, True)
try:
if self.query_db.exists():
serial = OfferSerializer(self.query_db, many=True)
self.serialized = serial.data
return self
else:
return None
except Exception as e:
return None
else:
return None
def search_offers(self, client_data, client_modifiable=True):
self.instance_client = ClientService.instance_client(
self, client=client_data)
self.query_db = self.filter_history_offer(client_data, False)
if self.query_db.exists():
serial = OfferSerializer(self.query_db, many=True)
self.serialized = serial.data
return self
else:
new_offers_list = requests.post(
'https://fb254f08-fd54-4731-b4d7-90149503e6c5.mock.pstmn.io/offers',
json=client_data)
new_offers_list_decoded = json.loads(new_offers_list.text)
offers = new_offers_list_decoded['offers']
self.save(offers_data=offers, client_instance=self.instance_client)
return self.search_offers(client_data=client_data,
client_modifiable=False)
class OrderSerializer(serializers.ModelSerializer):
products = TransactionSerializer(many=True)
delivery_date = serializers.DateTimeField(source='offer.delivery_date')
total = serializers.SerializerMethodField()
offer = OfferSerializer(read_only=True)
class Meta:
model = Order
fields = (
'id',
'user_id',
'offer_id',
'order_date',
'products',
'delivery_date',
'total',
'offer',
)
@staticmethod
def get_total(obj):
return obj.total