80 lines
2.9 KiB
Python
80 lines
2.9 KiB
Python
from __future__ import absolute_import
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import logging
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from django.core.exceptions import PermissionDenied
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from django.shortcuts import get_object_or_404
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from rest_framework import generics
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from rest_framework.response import Response
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from converter.exceptions import UnkownConvertError, UnknownFileFormat
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from converter.literals import DEFAULT_PAGE_NUMBER, DEFAULT_ROTATION, DEFAULT_ZOOM_LEVEL
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from documents.conf.settings import DISPLAY_SIZE, ZOOM_MAX_LEVEL, ZOOM_MIN_LEVEL
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#from acls.models import AccessEntry
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#from permissions.models import Permission
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from .classes import StagingFile
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from .resources import SerializerStagingFolder, SerializerStagingFolderFile
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from .models import StagingFolder
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#from .permissions import PERMISSION_DOCUMENT_VIEW
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logger = logging.getLogger(__name__)
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# API Views
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class APIStagingSourceFileView(generics.GenericAPIView):
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def get(self, request, staging_folder_pk, filename):
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staging_folder = get_object_or_404(StagingFolder, pk=staging_folder_pk)
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return Response(SerializerStagingFolderFile(staging_folder.get_file(filename)).data)
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class APIStagingSourceListView(generics.ListAPIView):
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serializer_class = SerializerStagingFolder
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queryset = StagingFolder.objects.all()
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class APIStagingSourceView(generics.RetrieveAPIView):
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serializer_class = SerializerStagingFolder
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queryset = StagingFolder.objects.all()
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class APIStagingSourceFileImageView(generics.GenericAPIView):
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def get(self, request, staging_folder_pk, filename):
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staging_folder = get_object_or_404(StagingFolder, pk=staging_folder_pk)
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staging_file = staging_folder.get_file(filename)
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#try:
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# Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_VIEW])
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#except PermissionDenied:
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# AccessEntry.objects.check_access(PERMISSION_DOCUMENT_VIEW, request.user, document)
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# Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_CREATE, PERMISSION_DOCUMENT_NEW_VERSION])
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size = request.GET.get('size', DISPLAY_SIZE)
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page = int(request.GET.get('page', DEFAULT_PAGE_NUMBER))
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zoom = int(request.GET.get('zoom', DEFAULT_ZOOM_LEVEL))
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if request.GET.get('as_base64', False):
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base64_version = True
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if zoom < ZOOM_MIN_LEVEL:
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zoom = ZOOM_MIN_LEVEL
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if zoom > ZOOM_MAX_LEVEL:
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zoom = ZOOM_MAX_LEVEL
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rotation = int(request.GET.get('rotation', DEFAULT_ROTATION)) % 360
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try:
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return Response({'status': 'success',
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'data': staging_file.get_image(size=size, page=page, zoom=zoom, rotation=rotation, as_base64=True)
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})
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except UnknownFileFormat as exception:
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return Response({'status': 'error', 'detail': 'unknown_file_format', 'message': unicode(exception)})
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except UnkownConvertError as exception:
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return Response({'status': 'error', 'detail': 'converter_error', 'message': unicode(exception)})
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