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Add bulk download support to the document app

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This commit is contained in:
Roberto Rosario
2012-01-04 02:09:30 -04:00
parent dfcf2b8b17
commit 3a517036d1
3 changed files with 68 additions and 23 deletions
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9
apps/documents/__init__.py
View File

@@ -5,9 +5,9 @@ import tempfile
from django.utils.translation import ugettext_lazy as _
from common.utils import validate_path, encapsulate
from navigation.api import register_links, register_top_menu, \
register_model_list_columns, register_multi_item_links, \
register_sidebar_template
from navigation.api import (register_links, register_top_menu,
register_model_list_columns, register_multi_item_links,
register_sidebar_template)
from main.api import register_diagnostic, register_maintenance_links
from tags.widgets import get_tags_inline_widget_simple
from history.api import register_history_type
@@ -70,6 +70,7 @@ document_multiple_delete = {'text': _(u'delete'), 'view': 'document_multiple_del
document_edit = {'text': _(u'edit'), 'view': 'document_edit', 'args': 'object.id', 'famfam': 'page_edit', 'permissions': [PERMISSION_DOCUMENT_PROPERTIES_EDIT]}
document_preview = {'text': _(u'preview'), 'class': 'fancybox', 'view': 'document_preview', 'args': 'object.id', 'famfam': 'magnifier', 'permissions': [PERMISSION_DOCUMENT_VIEW]}
document_download = {'text': _(u'download'), 'view': 'document_download', 'args': 'object.id', 'famfam': 'page_save', 'permissions': [PERMISSION_DOCUMENT_DOWNLOAD]}
document_multiple_download = {'text': _(u'download'), 'view': 'document_multiple_download', 'famfam': 'page_save', 'permissions': [PERMISSION_DOCUMENT_DOWNLOAD]}
document_version_download = {'text': _(u'download'), 'view': 'document_version_download', 'args': 'object.pk', 'famfam': 'page_save', 'permissions': [PERMISSION_DOCUMENT_DOWNLOAD]}
document_find_duplicates = {'text': _(u'find duplicates'), 'view': 'document_find_duplicates', 'args': 'object.id', 'famfam': 'page_white_copy', 'permissions': [PERMISSION_DOCUMENT_VIEW]}
document_find_all_duplicates = {'text': _(u'find all duplicates'), 'view': 'document_find_all_duplicates', 'famfam': 'page_white_copy', 'permissions': [PERMISSION_DOCUMENT_VIEW], 'description': _(u'Search all the documents\' checksums and return a list of the exact matches.')}
@@ -130,7 +131,7 @@ register_links(['document_type_filename_create', 'document_type_filename_list',
# Register document links
register_links(Document, [document_edit, document_print, document_delete, document_download, document_find_duplicates, document_clear_transformations, document_create_siblings])
register_multi_item_links(['document_find_duplicates', 'folder_view', 'index_instance_list', 'document_type_document_list', 'search', 'results', 'document_group_view', 'document_list', 'document_list_recent'], [document_multiple_clear_transformations, document_multiple_delete])
register_multi_item_links(['document_find_duplicates', 'folder_view', 'index_instance_list', 'document_type_document_list', 'search', 'results', 'document_group_view', 'document_list', 'document_list_recent'], [document_multiple_clear_transformations, document_multiple_delete, document_multiple_download])
# Document Version links
register_links(DocumentVersion, [document_version_revert, document_version_download])

1
apps/documents/urls.py
View File

@@ -29,6 +29,7 @@ urlpatterns = patterns('documents.views',
url(r'^(?P<document_id>\d+)/display/thumbnail/base64/$', 'get_document_image', {'size': THUMBNAIL_SIZE, 'base64_version': True}, 'document_thumbnail_base64'),
url(r'^(?P<document_id>\d+)/download/$', 'document_download', (), 'document_download'),
url(r'^multiple/download/$', 'document_multiple_download', (), 'document_multiple_download'),
url(r'^(?P<document_id>\d+)/create/siblings/$', 'document_create_siblings', (), 'document_create_siblings'),
url(r'^(?P<document_id>\d+)/find_duplicates/$', 'document_find_duplicates', (), 'document_find_duplicates'),
url(r'^(?P<document_id>\d+)/clear_transformations/$', 'document_clear_transformations', (), 'document_clear_transformations'),

81
apps/documents/views.py
View File

@@ -13,6 +13,7 @@ from django.views.generic.list_detail import object_list
from django.core.urlresolvers import reverse
from django.utils.http import urlencode
from django.core.exceptions import PermissionDenied
from django.conf import settings
import sendfile
from common.utils import pretty_size, parse_range, urlquote, \
@@ -31,6 +32,7 @@ from permissions.models import Permission
from document_indexing.api import update_indexes, delete_indexes
from history.api import create_history
from acls.models import AccessEntry
from common.compressed_files import CompressedFile
from .conf.settings import (PREVIEW_SIZE, STORAGE_BACKEND, ZOOM_PERCENT_STEP,
ZOOM_MAX_LEVEL, ZOOM_MIN_LEVEL, ROTATION_STEP, PRINT_SIZE,
@@ -317,31 +319,72 @@ def get_document_image(request, document_id, size=PREVIEW_SIZE, base64_version=F
return sendfile.sendfile(request, document.get_image(size=size, page=page, zoom=zoom, rotation=rotation, version=version), mimetype=DEFAULT_FILE_FORMAT_MIMETYPE)
def document_download(request, document_id=None, document_version_pk=None):
if document_version_pk:
def document_download(request, document_id=None, document_id_list=None, document_version_pk=None):
document_version = None
documents = []
if document_id:
documents = [get_object_or_404(Document, pk=document_id)]
post_action_redirect = reverse('document_list')
elif document_id_list:
documents = [get_object_or_404(Document, pk=document_id) for document_id in document_id_list.split(',')]
elif document_version_pk:
document_version = get_object_or_404(DocumentVersion, pk=document_version_pk)
else:
document_version = get_object_or_404(Document, pk=document_id).latest_version
try:
Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_DOWNLOAD])
except PermissionDenied:
AccessEntry.objects.check_access(PERMISSION_DOCUMENT_DOWNLOAD, request.user, document_version.document)
try:
# Test permissions and trigger exception
fd = document_version.open()
fd.close()
return serve_file(
request,
document_version.file,
save_as=u'"%s"' % document_version.filename,
content_type=document_version.mimetype if document_version.mimetype else 'application/octet-stream'
)
except Exception, e:
messages.error(request, e)
return HttpResponseRedirect(request.META['HTTP_REFERER'])
documents = AccessEntry.objects.filter_objects_by_access(PERMISSION_DOCUMENT_DOWNLOAD, request.user, documents, exception_on_empty=True)
if len(documents) == 1:
document_version = documents[0].latest_version
if document_version:
try:
# Test permissions and trigger exception
fd = document_version.open()
fd.close()
return serve_file(
request,
document_version.file,
save_as=u'"%s"' % document_version.filename,
content_type=document_version.mimetype if document_version.mimetype else 'application/octet-stream'
)
except Exception, e:
if settings.DEBUG:
raise
else:
messages.error(request, e)
return HttpResponseRedirect(request.META['HTTP_REFERER'])
else:
try:
compressed_file = CompressedFile()
for document in documents:
descriptor = document.open()
compressed_file.add_file(descriptor, arcname=document.filename)
descriptor.close()
compressed_file.close()
return serve_file(
request,
compressed_file.as_file('document_bundle.zip'),
save_as=u'"document_bundle.zip"',
content_type='application/zip'
)
# TODO: DO a redirection afterwards
except Exception, e:
if settings.DEBUG:
raise
else:
messages.error(request, e)
return HttpResponseRedirect(request.META['HTTP_REFERER'])
def document_multiple_download(request):
return document_download(
request, document_id_list=request.GET.get('id_list', [])
)
def document_page_transformation_list(request, document_page_id):
document_page = get_object_or_404(DocumentPage, pk=document_page_id)