from rest_framework import viewsets from rest_framework.response import Response from rest_framework.views import APIView, View from rest_framework.request import Request from django.http import HttpResponseBadRequest from django.db.models.query import QuerySet from django.core.validators import validate_email from django.core.exceptions import ValidationError from .models import Apartament, User from .serializer import (ApartamentListSerializer, ApartamentDetailSerializer, PsychTestAddResultSerializer, PublicUserSerializer) import json, math, random, re class ApartamentViewSet(viewsets.ReadOnlyModelViewSet): """Вывод списка квартир или отдельной квартиры""" def get_queryset(self): apartaments = Apartament.objects.all() return apartaments def get_serializer_class(self): if self.action == 'list': return ApartamentListSerializer elif self.action == "retrieve": return ApartamentDetailSerializer class ApartamentGetManyViewSet(viewsets.ReadOnlyModelViewSet): """Вывод отдельных квартир для сравнения""" def get_queryset(self): # получение id квартир для избранного или сравнения pk = self.request.query_params.get("pk", None) # получение id пользователя if self.action == "retrieve": # если для страницы сравнения apartaments_id = User.objects.get(pk=pk).apartaments_for_comparison.split(',') # получение id квартир elif self.action == "list": # если для страницы избранного apartaments_id = User.objects.get(pk=pk).favorites_apartaments.split(',') # получение id квартир queryset = [] for i in apartaments_id: queryset.append(Apartament.objects.get(pk=i)) return queryset def retrieve(self, request, *args, **kwargs): queryset = self.get_queryset() apartaments = [] for i in queryset: apartaments.append(ApartamentDetailSerializer(i).data) return Response({'results': apartaments}) def list(self, request, *args, **kwargs): queryset = self.get_queryset() apartaments = [] for i in queryset: apartaments.append(ApartamentListSerializer(i).data) return Response({'results': apartaments}) class ApartmentFilter(viewsets.ViewSet): """Вывод списка квартир или отдельной квартиры""" def list(self, req: Request): filters = dict(req.data); unfiltered = Apartament.objects.all(); filtered = []; # TODO: Some better converting practice? filters['price_range']['from'] = int(filters['price_range']['from']); filters['price_range']['to'] = int(filters['price_range']['to']); filters['area_range']['from'] = int(filters['area_range']['from']); filters['area_range']['to'] = int(filters['area_range']['to']); filters['rooms'] = int(filters['rooms']) for entry in unfiltered: if (filters['price_range']['from'] >= entry.price and (filters['price_range']['to'] != -1 and filters['price_range']['to'] <= entry.price)): continue; if (filters['area_range']['from'] >= entry.perimetrs and (filters['area_range']['to'] != -1 and filters['area_range']['to'] <= entry.perimetrs)): continue; if (filters['rooms'] != -1 and entry.rooms != filters['rooms']): continue; filtered.append(entry); return Response(ApartamentListSerializer(filtered, many=True).data); class PsychTestAddResultViewSet(viewsets.ViewSet): def get_object(self, pk): return User.objects.filter(pk=pk) def update(self, request, pk): user = self.get_object(pk) result = request.query_params.get("result", None) user.update(psych_test_result=result) return Response(PsychTestAddResultSerializer(User.objects.get(pk=pk)).data) class CompatibleUsersView(viewsets.ViewSet): def list(self, req: Request): user_data = dict(req.data); # TODO: Verify auth vvsu_login = user_data['openid']; # Exclude already viewed users exclude = []; if ('exclude' in user_data.keys()): exclude = user_data['exclude']; try: validate_email(vvsu_login); except ValidationError: return Request({'error': 'bad login'}, 400); try: this_user = User.objects.get(openid_addr=vvsu_login); except User.DoesNotExist: return Response({'error': 'user not found'}, 404); score = this_user.psych_test_result; users_query = User.objects.all(); users = []; for user in users_query: if (abs(user.psych_test_result - score) < 20): users.append(PublicUserSerializer(user).data); random.shuffle(users); users = users[:7]; for i in range(3): users.append(PublicUserSerializer(random.choice(users_query)).data); random.shuffle(users); return Response(users);