*model.py*
class Item(models.Model):
name=models.CharField(max_length=50)
company=models.CharField(max_length=100)
* search_indexes.py*
class ItemIndex(indexes.SearchIndex, indexes.Indexable):
text = indexes.CharField(document=True, use_template=True)
name=indexes.CharField(model_attr='name')
company=indexes.CharField(model_attr='company')
def get_model(self):
return Item
def index_queryset(self, using=None):
return self.get_model().objects.all()
*serializer.py*
class ItemSearchSerializer(serializers.Serializer):
text = serializers.CharField()
name=serializers.CharField()
company=serializers.CharField()
*views.py*
class ItemSearchViewSet(mixins.ListModelMixin, viewsets.GenericViewSet):
serializer_class = ItemSearchSerializer
permission_classes = (permissions.IsAuthenticatedOrReadOnly,)
def get_queryset(self):
request = self.request
queryset = EmptySearchQuerySet()
if request.GET.get('q', ''):
query = request.GET.get('q', '')
queryset =SearchQuerySet().filter(content=query);
return queryset
*And in url.py I added :*
router.register(r'searchquery', views.ItemSearchViewSet, base_name=
'searchquery')
Now on making GET request from postman like :
> http://127.0.0.1:8000/searchquery/?q=app, I am getting the response as
> desired as show below.
>
> {
> "count": 2,
> "next": null,
> "previous": null,
> "results": [
> {
> "text": "apple\ndjflkj",
> "id": 14,
> "name": "apple",
> "mrp": "45.000000",
> "company": "djflkj",
> "imageid": "jfhi",
> "edible": false,
> "discount": "0.000000",
> "deliverable": true,
> "seller_uid": "ljhkh",
> "category": "ldjhgjfdk"
> },
> {
> "text": "app\nhuhiu",
> "id": 16,
> "name": "app",
> "mrp": "78.000000",
> "company": "huhiu",
> "imageid": "iyiugiy",
> "edible": false,
> "discount": "45.000000",
> "deliverable": true,
> "seller_uid": "hjh",
> "category": "hhl"
> }
> ]
> }
>
>
But the reponse time is very slow it takes around 2700 ms everytime ,and I
want to make it fast. As response of elastic search is much fast
but I don't know what I am doing wrong. Not sure but may be due to these
reasons I am getting this delay :
1) Haystack is made for django, so on integrating it with django rest
framework , it may be getting slow.
2) I am using free Bonsai Elastic search heroku add on and it has just 125
mb memory.
*This is how I am connecting to Bonsai elastic search (setting.py)*
ES_URL = urlparse('https://******@pine-1455731.us-east1.bonsaisearch.net')
print ES_URL
HAYSTACK_CONNECTIONS = {
'default': {
'ENGINE':
'haystack.backends.elasticsearch_backend.ElasticsearchSearchEngine',
'URL': ES_URL.scheme + '://' + ES_URL.hostname + ':443',
'INDEX_NAME': 'haystack',
},
}
if ES_URL.username:
HAYSTACK_CONNECTIONS['default']['KWARGS'] = {"http_auth":
ES_URL.username
+ ':' + ES_URL.password}
Any help will be appreciated. I am new to elastic search and haystack . I
want to do elastic search to search products by name for my android
application.
I even don't know weather this is the correct approach to do searching. I
thought I would enter name of product I want to search and then i will send
a GET request and get all the products which are related.
If any one could suggest me any other way of achieving this I will
appreciate your help.
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