Using restframework mongoengine how to create a queires? - mongodb

Question

models.py
from mongoengine import Document, fields
class Tool(Document):
Fruit = fields.StringField(required=True)
District = fields.StringField(required=True)
Area = fields.StringField(required=True)
Farmer = fields.StringField(required=True)
Serializers.py file
from rest_framework import serializers
from rest_framework_mongoengine.serializers import DocumentSerializer
from models import Tool
class ToolSerializer(DocumentSerializer):
class Meta:
model = Tool
views.py file
from django.template.response import TemplateResponse
from rest_framework_mongoengine.viewsets import ModelViewSet as MongoModelViewSet
from app.serializers import *
def index_view(request):
context = {}
return TemplateResponse(request, 'index.html', context)
class ToolViewSet(MongoModelViewSet):
lookup_field = 'Fruit'
serializer_class = ToolSerializer
def get_queryset(self):
return Tool.objects.all()
So,I want to create queries like http://127.0.0.1:8000/api/tool/?Fruit=Banana gives me all data for fruit banana only. Also, http://127.0.0.1:8000/api/tool/?District=Pune gives me data for Pune district only .

Answer 1

Unfortunately, I haven't tried this solution myself yet, but AFAIK, in pure DRF with SQL database you'd use Django-Filters package for this.
There's an analogue of it for DRF-ME, called drf-mongo-filters, written by Maxim Vasiliev, co-author of DRF-ME. It contains a decent set of tests, you could use for inspiration.
Basically, you say something like:
from rest_framework.test import APIRequestFactory
from rest_framework.generics import ListAPIView
from mongoengine import Document, fields
from drf_mongo_filters.filtersets import filters, Filterset, ModelFilterset
from drf_mongo_filters.backend import MongoFilterBackend
class TestFilter(Filterset):
foo = filters.CharFilter()
class TestView(ListAPIView):
filter_backends = (MongoFilterBackend,)
filter_class = TestFilter
serializer_class = mock.Mock()
queryset = mock.Mock()
TestView.as_view()(APIRequestFactory().get("/?foo=Foo"))
TestView.queryset.filter.assert_called_once_with(foo="Foo")
Haven't tried doing the same with ViewSets, but as they inherit from GenericView, I guess, they should respect filter_class and filter_backends parameters, too.