gault-millau/apps/tag/views.py
2020-01-30 10:28:01 +03:00

423 lines
18 KiB
Python

"""Tag views."""
from django.conf import settings
from django.contrib.contenttypes.models import ContentType
from django.utils.translation import gettext_lazy as _
from rest_framework import generics, mixins, permissions, status, viewsets
from rest_framework.decorators import action
from rest_framework.permissions import IsAdminUser
from rest_framework.response import Response
from rest_framework.serializers import ValidationError
from location.models import WineRegion
from product.models import ProductType
from search_indexes import views as search_views
from tag import filters, models, serializers
from utils.permissions import (
IsEstablishmentManager
)
class ChosenTagsView(generics.ListAPIView, viewsets.GenericViewSet):
pagination_class = None
permission_classes = (permissions.AllowAny,)
serializer_class = serializers.TagBaseSerializer
filterset_class = filters.TagsFilterSet
queryset = models.Tag.objects.all()
def get_queryset(self):
result_tags_ids = models.ChosenTagSettings.objects \
.by_country_code(self.request.country_code) \
.values('tag_id')
return models.Tag.objects \
.filter(id__in=result_tags_ids) \
.order_by_priority()
def list(self, request, *args, **kwargs):
# TMP TODO remove it later
# Временный хардкод для демонстрации > 15 ноября, потом удалить!
queryset = self.filter_queryset(self.get_queryset())
page = self.paginate_queryset(queryset)
if page is not None:
serializer = self.get_serializer(page, many=True)
return self.get_paginated_response(serializer.data)
serializer = self.get_serializer(queryset, many=True)
result_list = serializer.data
if request.query_params.get('type') and (settings.ESTABLISHMENT_CHOSEN_TAGS or settings.NEWS_CHOSEN_TAGS):
ordered_list = settings.ESTABLISHMENT_CHOSEN_TAGS if request.query_params.get(
'type') == 'establishment' else settings.NEWS_CHOSEN_TAGS
result_list = sorted(result_list, key=lambda x: ordered_list.index(x['index_name']))
return Response(result_list)
# User`s views & viewsets
class TagCategoryViewSet(mixins.ListModelMixin, viewsets.GenericViewSet):
"""ViewSet for TagCategory model."""
filterset_class = filters.TagCategoryFilterSet
pagination_class = None
permission_classes = (permissions.AllowAny,)
queryset = models.TagCategory.objects.with_tags().with_base_related(). \
distinct()
serializer_class = serializers.TagCategoryBaseSerializer
# User`s views & viewsets
class FiltersTagCategoryViewSet(TagCategoryViewSet):
"""ViewSet for TagCategory model."""
serializer_class = serializers.FiltersTagCategoryBaseSerializer
index_name_to_order = {
'open_now': 9,
'works_noon': 8,
'works_evening': 7,
'pop': 6,
'category': 5,
'toque_number': 4,
'cuisine': 3,
'moment': 2,
'service': 1,
}
def list(self, request, *args, **kwargs):
queryset = self.filter_queryset(self.get_queryset().exclude(public=False))
serializer = self.get_serializer(queryset, many=True)
result_list = serializer.data
query_params = request.query_params
params_type = query_params.get('type')
if query_params.get('establishment_type'):
params_type = query_params.get('establishment_type')
elif query_params.get('product_type'):
params_type = query_params.get('product_type')
week_days = tuple(map(_, ("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday")))
short_week_days = tuple(map(_, ("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun")))
flags = ('toque_number', 'wine_region', 'works_noon', 'works_evening', 'works_now', 'works_at_weekday')
filter_flags = {flag_name: False for flag_name in flags}
additional_flags = []
if params_type == 'restaurant':
additional_flags += ['toque_number', 'works_noon', 'works_evening', 'works_now']
elif params_type in ['winery', 'wine']:
additional_flags += ['wine_region']
elif params_type == 'artisan':
additional_flags += ['works_now', 'works_at_weekday']
for flag_name in additional_flags:
filter_flags[flag_name] = True
if request.query_params.get('product_type') == ProductType.WINE:
wine_region_id = query_params.get('wine_region_id__in')
if str(wine_region_id).isdigit():
queryset = WineRegion.objects.filter(id=int(wine_region_id))
else:
queryset = WineRegion.objects.all()
wine_regions = {
"index_name": "wine_region",
"label_translated": "Wine region",
"param_name": "wine_region_id__in",
"filters": [{
"id": obj.id,
"index_name": obj.name.lower().replace(' ', '_'),
"label_translated": obj.name
} for obj in queryset]
}
result_list.append(wine_regions)
for item in result_list:
if 'filters' in item:
item['filters'].sort(key=lambda x: x.get('label_translated'))
if filter_flags['toque_number']:
toques = {
"index_name": "toque_number",
"label_translated": "Toques",
"param_name": "toque_number__in",
'type': 'toque',
"filters": [{
"id": toque_id,
"index_name": "toque_%d" % toque_id,
"label_translated": "Toque %d" % toque_id
} for toque_id in range(6)]
}
result_list.append(toques)
if filter_flags['works_noon']:
works_noon = {
"index_name": "works_noon",
"label_translated": "Open noon",
"param_name": "works_noon__in",
'type': 'weekday',
"filters": [{
"id": weekday,
"index_name": week_days[weekday].lower(),
"label_translated": short_week_days[weekday],
} for weekday in range(7)]
}
result_list.append(works_noon)
if filter_flags['works_evening']:
works_evening = {
"index_name": "works_evening",
"label_translated": "Open evening",
"param_name": "works_evening__in",
'type': 'weekday',
"filters": [{
"id": weekday,
"index_name": week_days[weekday].lower(),
"label_translated": short_week_days[weekday],
} for weekday in range(7)]
}
result_list.append(works_evening)
if filter_flags['works_now']:
works_now = {
"index_name": "open_now",
"label_translated": "Open now",
"param_name": "open_now",
"type": 'bool',
}
result_list.append(works_now)
if filter_flags['works_at_weekday']:
works_at_weekday = {
"index_name": "works_at_weekday",
"label_translated": "Works at weekday",
"param_name": "works_at_weekday__in",
'type': 'weekday',
"filters": [{
"id": weekday,
"index_name": week_days[weekday].lower(),
"label_translated": short_week_days[weekday],
} for weekday in range(7)]
}
result_list.append(works_at_weekday)
search_view_class = self.define_search_view_by_request(request)
facets = search_view_class.as_view({'get': 'list'})(self.mutate_request(self.request)).data['facets']
result_list = self.remove_empty_filters(result_list, facets)
tag_category = list(filter(lambda x: x.get('index_name') == 'tag', result_list))
result_list = [category for category in result_list if category.get('index_name') != 'tag']
if len(tag_category):
tag_category = list(filter(lambda x: x.get('index_name') == 'pop', tag_category[0]['filters']))
if len(tag_category): # we have Pop tag in our results
tag_category = tag_category[0]
tag_category['param_name'] = 'tags_id__in'
tag_category['type'] = 'pop'
result_list.append(tag_category)
result_list.sort(key=lambda x: self.index_name_to_order.get(x.get('index_name'), 0), reverse=True)
return Response(result_list)
@staticmethod
def mutate_request(request):
"""Remove all filtering get params and remove s_ from the rest of them"""
request.GET._mutable = True
for name in request.query_params.copy().keys():
value = request.query_params.pop(name)
if name.startswith('s_'):
request.query_params[name[2:]] = value[0]
request.GET._mutable = False
return request._request
@staticmethod
def define_search_view_by_request(request):
request.GET._mutable = True
if request.query_params.get('items'):
items = request.query_params.pop('items')[0]
else:
raise ValidationError({'detail': _('Missing required "items" parameter')})
item_to_class = {
'news': search_views.NewsDocumentViewSet,
'establishments': search_views.EstablishmentDocumentViewSet,
'products': search_views.ProductDocumentViewSet,
}
klass = item_to_class.get(items)
if klass is None:
raise ValidationError({'detail': _('news/establishments/products')})
request.GET._mutable = False
return klass
@staticmethod
def remove_empty_filters(filters, facets):
# parse facets
if facets.get('_filter_tag'):
tags_to_preserve = list(map(lambda el: el['key'], facets['_filter_tag']['tag']['buckets']))
if facets.get('_filter_wine_colors'):
wine_colors_to_preserve = list(
map(lambda el: el['key'], facets['_filter_wine_colors']['wine_colors']['buckets']))
if facets.get('_filter_wine_region_id'):
wine_regions_to_preserve = list(
map(lambda el: el['key'], facets['_filter_wine_region_id']['wine_region_id']['buckets']))
if facets.get('_filter_toque_number'):
toque_numbers = list(map(lambda el: el['key'], facets['_filter_toque_number']['toque_number']['buckets']))
if facets.get('_filter_works_noon'):
works_noon = list(map(lambda el: el['key'], facets['_filter_works_noon']['works_noon']['buckets']))
if facets.get('_filter_works_evening'):
works_evening = list(map(lambda el: el['key'], facets['_filter_works_evening']['works_evening']['buckets']))
if facets.get('_filter_works_at_weekday'):
works_at_weekday = list(
map(lambda el: el['key'], facets['_filter_works_at_weekday']['works_at_weekday']['buckets']))
if facets.get('_filter_works_now'):
works_now = list(map(lambda el: el['key'], facets['_filter_works_now']['works_now']['buckets']))
# remove empty filters
for category in filters:
param_name = category.get('param_name')
if param_name == 'tags_id__in':
category['filters'] = list(filter(lambda tag: tag['id'] in tags_to_preserve, category['filters']))
elif param_name == 'wine_colors_id__in':
category['filters'] = list(
filter(lambda tag: tag['id'] in wine_colors_to_preserve, category['filters']))
elif param_name == 'wine_region_id__in':
category['filters'] = list(
filter(lambda tag: tag['id'] in wine_regions_to_preserve, category['filters']))
elif param_name == 'toque_number__in':
category['filters'] = list(filter(lambda tag: tag['id'] in toque_numbers, category['filters']))
elif param_name == 'works_noon__in':
category['filters'] = list(filter(lambda tag: tag['id'] in works_noon, category['filters']))
elif param_name == 'works_evening__in':
category['filters'] = list(filter(lambda tag: tag['id'] in works_evening, category['filters']))
elif param_name == 'works_at_weekday__in':
category['filters'] = list(filter(lambda tag: tag['id'] in works_at_weekday, category['filters']))
return filters
# BackOffice user`s views & viewsets
class BindObjectMixin:
"""Bind object mixin."""
def get_serializer_class(self):
if self.action == 'bind_object':
return self.bind_object_serializer_class
elif self.action == 'chosen':
return self.chosen_serializer_class
return self.serializer_class
def perform_binding(self, serializer):
raise NotImplemented
def perform_unbinding(self, serializer):
raise NotImplemented
@action(methods=['post', 'delete'], detail=True, url_path='bind-object')
def bind_object(self, request, pk=None):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
if request.method == 'POST':
self.perform_binding(serializer)
return Response(serializer.data, status=status.HTTP_201_CREATED)
elif request.method == 'DELETE':
self.perform_unbinding(serializer)
return Response(status=status.HTTP_204_NO_CONTENT)
@action(methods=['post', 'delete'], detail=True, url_path='chosen')
def chosen(self, request, pk=None):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
if request.method == 'POST':
self.perform_binding(serializer)
return Response(serializer.data, status=status.HTTP_201_CREATED)
elif request.method == 'DELETE':
self.perform_unbinding(serializer)
return Response(status=status.HTTP_204_NO_CONTENT)
class TagBackOfficeViewSet(mixins.ListModelMixin, mixins.CreateModelMixin,
mixins.UpdateModelMixin, mixins.DestroyModelMixin,
BindObjectMixin, viewsets.GenericViewSet):
"""List/create tag view."""
pagination_class = None
permission_classes = [
IsAdminUser, IsEstablishmentManager
]
queryset = models.Tag.objects.with_base_related()
serializer_class = serializers.TagBackOfficeSerializer
bind_object_serializer_class = serializers.TagBindObjectSerializer
chosen_serializer_class = serializers.ChosenTagBindObjectSerializer
def perform_binding(self, serializer):
data = serializer.validated_data
tag = data.pop('tag')
obj_type = data.get('type')
related_object = data.get('related_object')
# for compatible exist code
if self.action == 'chosen':
obj_type = ContentType.objects.get_for_model(models.ChosenTag)
models.ChosenTag.objects.update_or_create(
tag=tag,
content_type=obj_type,
object_id=related_object.id,
defaults={
"content_object": related_object,
"site": self.request.user.last_country
},
)
if obj_type == self.bind_object_serializer_class.ESTABLISHMENT:
tag.establishments.add(related_object)
elif obj_type == self.bind_object_serializer_class.NEWS:
tag.news.add(related_object)
def perform_unbinding(self, serializer):
data = serializer.validated_data
tag = data.pop('tag')
obj_type = data.get('type')
related_object = data.get('related_object')
# for compatible exist code
if self.action == 'chosen':
related_object.chosen_tags.filter(tag=tag).delete()
if obj_type == self.bind_object_serializer_class.ESTABLISHMENT:
tag.establishments.remove(related_object)
elif obj_type == self.bind_object_serializer_class.NEWS:
tag.news.remove(related_object)
class TagCategoryBackOfficeViewSet(mixins.CreateModelMixin,
mixins.UpdateModelMixin,
mixins.DestroyModelMixin,
mixins.RetrieveModelMixin,
BindObjectMixin,
TagCategoryViewSet):
"""ViewSet for TagCategory model for BackOffice users."""
queryset = TagCategoryViewSet.queryset.with_extended_related()
serializer_class = serializers.TagCategoryBackOfficeDetailSerializer
bind_object_serializer_class = serializers.TagCategoryBindObjectSerializer
permission_classes = [
IsAdminUser, IsEstablishmentManager
]
def perform_binding(self, serializer):
data = serializer.validated_data
tag_category = data.pop('tag_category')
obj_type = data.get('type')
related_object = data.get('related_object')
if obj_type == self.bind_object_serializer_class.ESTABLISHMENT_TYPE:
tag_category.establishment_types.add(related_object)
elif obj_type == self.bind_object_serializer_class.NEWS_TYPE:
tag_category.news_types.add(related_object)
def perform_unbinding(self, serializer):
data = serializer.validated_data
tag_category = data.pop('tag_category')
obj_type = data.get('type')
related_object = data.get('related_object')
if obj_type == self.bind_object_serializer_class.ESTABLISHMENT_TYPE:
tag_category.establishment_types.remove(related_object)
elif obj_type == self.bind_object_serializer_class.NEWS_TYPE:
tag_category.news_types.remove(related_object)