181 lines
6.5 KiB
Python
181 lines
6.5 KiB
Python
from datetime import datetime
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from django.urls import path, re_path
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from django.contrib.auth.decorators import permission_required
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from rest_framework import routers, viewsets, serializers
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from rest_framework.decorators import api_view, permission_classes
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from rest_framework.response import Response
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from rest_framework.permissions import IsAuthenticated
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from files.models import File
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from inventory.models import Event, Container, Item
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class EventSerializer(serializers.ModelSerializer):
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class Meta:
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model = Event
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fields = ['eid', 'slug', 'name', 'start', 'end', 'pre_start', 'post_end']
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read_only_fields = ['eid']
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class EventViewSet(viewsets.ModelViewSet):
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serializer_class = EventSerializer
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queryset = Event.objects.all()
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permission_classes = []
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class ContainerSerializer(serializers.ModelSerializer):
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itemCount = serializers.SerializerMethodField()
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class Meta:
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model = Container
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fields = ['cid', 'name', 'itemCount']
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read_only_fields = ['cid', 'itemCount']
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def get_itemCount(self, instance):
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return Item.objects.filter(container=instance.cid).count()
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class ContainerViewSet(viewsets.ModelViewSet):
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serializer_class = ContainerSerializer
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queryset = Container.objects.all()
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class ItemSerializer(serializers.ModelSerializer):
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dataImage = serializers.CharField(write_only=True, required=False)
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cid = serializers.SerializerMethodField()
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box = serializers.SerializerMethodField()
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file = serializers.SerializerMethodField()
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class Meta:
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model = Item
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fields = ['cid', 'box', 'uid', 'description', 'file', 'dataImage']
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read_only_fields = ['uid']
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def get_cid(self, instance):
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return instance.container.cid
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def get_box(self, instance):
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return instance.container.name
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def get_file(self, instance):
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if len(instance.files.all()) > 0:
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return instance.files.all().order_by('-created_at')[0].hash
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return None
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def to_internal_value(self, data):
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if 'cid' in data:
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container = Container.objects.get(cid=data['cid'])
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internal = super().to_internal_value(data)
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internal['container'] = container
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return internal
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return super().to_internal_value(data)
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def validate(self, attrs):
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return super().validate(attrs)
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def create(self, validated_data):
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if 'dataImage' in validated_data:
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file = File.objects.create(data=validated_data['dataImage'])
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validated_data.pop('dataImage')
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item = Item.objects.create(**validated_data)
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item.files.set([file])
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return item
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return Item.objects.create(**validated_data)
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def update(self, instance, validated_data):
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if 'returned' in validated_data:
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if validated_data['returned']:
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validated_data['returned_at'] = datetime.now()
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validated_data.pop('returned')
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if 'dataImage' in validated_data:
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file = File.objects.create(data=validated_data['dataImage'])
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validated_data.pop('dataImage')
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instance.files.add(file)
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return super().update(instance, validated_data)
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@api_view(['GET'])
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@permission_classes([IsAuthenticated])
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@permission_required('view_item', raise_exception=True)
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def search_items(request, event_slug, query):
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try:
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event = Event.objects.get(slug=event_slug)
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query_tokens = query.split(' ')
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q = Item.objects.filter(event=event)
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for token in query_tokens:
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if token:
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q = q.filter(description__icontains=token)
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return Response(ItemSerializer(q, many=True).data)
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except Event.DoesNotExist:
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return Response(status=404)
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@api_view(['GET', 'POST'])
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@permission_classes([IsAuthenticated])
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def item(request, event_slug):
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try:
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event = Event.objects.get(slug=event_slug)
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if request.method == 'GET':
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if not request.user.has_event_perm(event, 'view_item'):
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return Response(status=403)
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return Response(ItemSerializer(Item.objects.filter(event=event), many=True).data)
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elif request.method == 'POST':
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if not request.user.has_event_perm(event, 'add_item'):
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return Response(status=403)
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validated_data = ItemSerializer(data=request.data)
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if validated_data.is_valid():
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validated_data.save(event=event)
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return Response(validated_data.data, status=201)
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except Event.DoesNotExist:
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return Response(status=404)
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@api_view(['GET', 'PUT', 'DELETE', 'PATCH'])
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@permission_classes([IsAuthenticated])
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def item_by_id(request, event_slug, id):
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try:
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event = Event.objects.get(slug=event_slug)
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item = Item.objects.get(event=event, uid=id)
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if request.method == 'GET':
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if not request.user.has_event_perm(event, 'view_item'):
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return Response(status=403)
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return Response(ItemSerializer(item).data)
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elif request.method == 'PUT':
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if not request.user.has_event_perm(event, 'change_item'):
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return Response(status=403)
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validated_data = ItemSerializer(item, data=request.data)
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if validated_data.is_valid():
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validated_data.save()
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return Response(validated_data.data)
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return Response(validated_data.errors, status=400)
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elif request.method == 'PATCH':
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if not request.user.has_event_perm(event, 'change_item'):
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return Response(status=403)
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validated_data = ItemSerializer(item, data=request.data, partial=True)
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if validated_data.is_valid():
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validated_data.save()
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return Response(validated_data.data)
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return Response(validated_data.errors, status=400)
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elif request.method == 'DELETE':
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if not request.user.has_event_perm(event, 'delete_item'):
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return Response(status=403)
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item.delete()
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return Response(status=204)
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except Item.DoesNotExist:
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return Response(status=404)
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except Event.DoesNotExist:
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return Response(status=404)
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router = routers.SimpleRouter()
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router.register(r'events', EventViewSet, basename='events')
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router.register(r'boxes', ContainerViewSet, basename='boxes')
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router.register(r'box', ContainerViewSet, basename='boxes')
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urlpatterns = router.urls + [
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path('<event_slug>/items/', item),
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path('<event_slug>/items/<query>/', search_items),
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path('<event_slug>/item/', item),
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path('<event_slug>/item/<id>/', item_by_id),
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]
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