Files
mayan-edms/apps/documents/views.py

1112 lines
45 KiB
Python

import os
import zipfile
import urlparse
from django.utils.translation import ugettext_lazy as _
from django.http import HttpResponseRedirect
from django.shortcuts import render_to_response, get_object_or_404
from django.template import RequestContext
from django.contrib import messages
from django.views.generic.list_detail import object_list
from django.core.urlresolvers import reverse
from django.views.generic.create_update import delete_object, update_object
from django.conf import settings
from django.utils.http import urlencode
from django.core.files.uploadedfile import SimpleUploadedFile
from django.contrib.comments.models import Comment
import sendfile
from common.utils import pretty_size, parse_range, urlquote
from common.literals import PAGE_SIZE_DIMENSIONS, \
PAGE_ORIENTATION_PORTRAIT, PAGE_ORIENTATION_LANDSCAPE
from common.conf.settings import DEFAULT_PAPER_SIZE
from converter.api import convert_document, QUALITY_DEFAULT
from converter.exceptions import UnkownConvertError, UnknownFormat
from converter.api import DEFAULT_ZOOM_LEVEL, DEFAULT_ROTATION, \
DEFAULT_FILE_FORMAT, QUALITY_PRINT
from document_comments.utils import get_comments_subtemplate
from filesystem_serving.api import document_create_fs_links, document_delete_fs_links
from filesystem_serving.conf.settings import FILESERVING_ENABLE
from filetransfers.api import serve_file
from grouping.models import DocumentGroup
from grouping import document_group_link
from grouping.utils import get_document_group_subtemplate
from metadata.api import save_metadata_list, \
decode_metadata_from_url, metadata_repr_as_list
from metadata.forms import MetadataFormSet
from navigation.utils import resolve_to_name
from permissions.api import check_permissions
from tags.utils import get_tags_subtemplate
from documents.conf.settings import DELETE_STAGING_FILE_AFTER_UPLOAD
from documents.conf.settings import USE_STAGING_DIRECTORY
from documents.conf.settings import PREVIEW_SIZE
from documents.conf.settings import THUMBNAIL_SIZE
from documents.conf.settings import UNCOMPRESS_COMPRESSED_LOCAL_FILES
from documents.conf.settings import UNCOMPRESS_COMPRESSED_STAGING_FILES
from documents.conf.settings import STORAGE_BACKEND
from documents.conf.settings import ZOOM_PERCENT_STEP
from documents.conf.settings import ZOOM_MAX_LEVEL
from documents.conf.settings import ZOOM_MIN_LEVEL
from documents.conf.settings import ROTATION_STEP
from documents.conf.settings import PRINT_SIZE
from documents.literals import PERMISSION_DOCUMENT_CREATE, \
PERMISSION_DOCUMENT_PROPERTIES_EDIT, \
PERMISSION_DOCUMENT_VIEW, \
PERMISSION_DOCUMENT_DELETE, PERMISSION_DOCUMENT_DOWNLOAD, \
PERMISSION_DOCUMENT_TRANSFORM, \
PERMISSION_DOCUMENT_EDIT
from documents.forms import DocumentTypeSelectForm, DocumentCreateWizard, \
DocumentForm, DocumentForm_edit, DocumentForm_view, \
StagingDocumentForm, DocumentPreviewForm, \
DocumentPageForm, DocumentPageTransformationForm, \
DocumentContentForm, DocumentPageForm_edit, \
DocumentPageForm_text, PrintForm, MetadataSelectionForm
from documents.models import Document, DocumentType, DocumentPage, \
DocumentPageTransformation, RecentDocument
from documents.staging import StagingFile
from documents.literals import PICTURE_ERROR_SMALL, PICTURE_ERROR_MEDIUM, \
PICTURE_UNKNOWN_SMALL, PICTURE_UNKNOWN_MEDIUM
def document_list(request, object_list=None, title=None):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
return render_to_response('generic_list.html', {
'object_list': object_list if not (object_list is None) else Document.objects.only('file_filename', 'file_extension').all(),
'title': title if title else _(u'documents'),
'multi_select_as_buttons': True,
'hide_links': True,
}, context_instance=RequestContext(request))
def document_create(request, multiple=True):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_CREATE])
wizard = DocumentCreateWizard(form_list=[DocumentTypeSelectForm, MetadataSelectionForm, MetadataFormSet], multiple=multiple)
return wizard(request)
def document_create_sibling(request, document_id, multiple=True):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_CREATE])
document = get_object_or_404(Document, pk=document_id)
query_dict = {}
for pk, metadata in enumerate(document.documentmetadata_set.all()):
query_dict['metadata%s_id' % pk] = metadata.metadata_type_id
query_dict['metadata%s_value' % pk] = metadata.value
if multiple:
view = 'upload_document_multiple'
else:
view = 'upload_document'
if document.document_type_id:
query_dict['document_type_id'] = document.document_type_id
url = reverse(view)
return HttpResponseRedirect('%s?%s' % (url, urlencode(query_dict)))
def _handle_save_document(request, document, form=None):
RecentDocument.objects.add_document_for_user(request.user, document)
if form.cleaned_data['new_filename']:
document.file_filename = form.cleaned_data['new_filename']
document.save()
if form and 'document_type_available_filenames' in form.cleaned_data:
if form.cleaned_data['document_type_available_filenames']:
document.file_filename = form.cleaned_data['document_type_available_filenames'].filename
document.save()
save_metadata_list(decode_metadata_from_url(request.GET), document, create=True)
try:
warnings = document_create_fs_links(document)
if request.user.is_staff or request.user.is_superuser:
for warning in warnings:
messages.warning(request, warning)
except Exception, e:
messages.error(request, e)
def _handle_zip_file(request, uploaded_file, document_type):
filename = getattr(uploaded_file, 'filename', getattr(uploaded_file, 'name', ''))
if filename.lower().endswith('zip'):
zfobj = zipfile.ZipFile(uploaded_file)
for filename in zfobj.namelist():
if not filename.endswith('/'):
zip_document = Document(file=SimpleUploadedFile(
name=filename, content=zfobj.read(filename)),
document_type=document_type)
zip_document.save()
_handle_save_document(request, zip_document)
messages.success(request, _(u'Extracted file: %s, uploaded successfully.') % filename)
#Signal that uploaded file was a zip file
return True
else:
#Otherwise tell parent to handle file
return False
def upload_document_with_type(request, multiple=True):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_CREATE])
document_type_id = request.GET.get('document_type_id', None)
if document_type_id:
document_type = get_object_or_404(DocumentType, pk=document_type_id)
else:
document_type = None
local_form = DocumentForm(prefix='local', initial={'document_type': document_type})
if USE_STAGING_DIRECTORY:
staging_form = StagingDocumentForm(prefix='staging',
initial={'document_type': document_type})
if request.method == 'POST':
if 'local-submit' in request.POST.keys():
local_form = DocumentForm(request.POST, request.FILES,
prefix='local', initial={'document_type': document_type})
if local_form.is_valid():
try:
if (not UNCOMPRESS_COMPRESSED_LOCAL_FILES) or (UNCOMPRESS_COMPRESSED_LOCAL_FILES and not _handle_zip_file(request, request.FILES['local-file'], document_type)):
instance = local_form.save()
_handle_save_document(request, instance, local_form)
messages.success(request, _(u'Document uploaded successfully.'))
except Exception, e:
messages.error(request, e)
if multiple:
return HttpResponseRedirect(request.get_full_path())
else:
return HttpResponseRedirect(reverse('document_list'))
elif 'staging-submit' in request.POST.keys() and USE_STAGING_DIRECTORY:
staging_form = StagingDocumentForm(request.POST, request.FILES,
prefix='staging', initial={'document_type': document_type})
if staging_form.is_valid():
try:
staging_file = StagingFile.get(staging_form.cleaned_data['staging_file_id'])
if (not UNCOMPRESS_COMPRESSED_STAGING_FILES) or (UNCOMPRESS_COMPRESSED_STAGING_FILES and not _handle_zip_file(request, staging_file.upload(), document_type)):
document = Document(file=staging_file.upload(), document_type=document_type)
document.save()
_handle_save_document(request, document, staging_form)
messages.success(request, _(u'Staging file: %s, uploaded successfully.') % staging_file.filename)
if DELETE_STAGING_FILE_AFTER_UPLOAD:
staging_file.delete()
messages.success(request, _(u'Staging file: %s, deleted successfully.') % staging_file.filename)
except Exception, e:
messages.error(request, e)
if multiple:
return HttpResponseRedirect(request.META['HTTP_REFERER'])
else:
return HttpResponseRedirect(reverse('document_list'))
subtemplates_list = []
local_upload_form = {
'name': 'generic_form_subtemplate.html',
'context': {
'form': local_form,
'title': _(u'upload a local document'),
},
}
if USE_STAGING_DIRECTORY:
try:
filelist = StagingFile.get_all()
except Exception, e:
messages.error(request, e)
filelist = []
finally:
local_upload_form.update({'grid': 6})
subtemplates_list.append(local_upload_form)
subtemplates_list.append(
{
'name': 'generic_form_subtemplate.html',
'grid': 6,
'grid_clear': True,
'context': {
'form': staging_form,
'title': _(u'upload a document from staging'),
}
},
)
subtemplates_list.append(
{
'name': 'generic_list_subtemplate.html',
'context': {
'title': _(u'files in staging'),
'object_list': filelist,
'hide_link': True,
}
},
)
else:
subtemplates_list.append(local_upload_form)
context = {
'document_type_id': document_type_id,
'subtemplates_list': subtemplates_list,
'sidebar_subtemplates_list': [
{
'name': 'generic_subtemplate.html',
'context': {
'title': _(u'Current metadata'),
#'content': metadata_repr(decode_metadata_from_url(request.GET)),
'paragraphs': metadata_repr_as_list(decode_metadata_from_url(request.GET))
}
}]
}
return render_to_response('generic_form.html', context,
context_instance=RequestContext(request))
def document_view_simple(request, document_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
document = get_object_or_404(Document.objects.select_related(), pk=document_id)
RecentDocument.objects.add_document_for_user(request.user, document)
subtemplates_list = []
content_form = DocumentContentForm(document=document)
preview_form = DocumentPreviewForm(document=document)
subtemplates_list.append(
{
'name': 'generic_form_subtemplate.html',
'context': {
'form': preview_form,
'object': document,
}
},
)
subtemplates_list.append(
{
'name': 'generic_form_subtemplate.html',
'context': {
'title':_(u'document properties'),
'form': content_form,
'object': document,
},
}
)
if document.tags.count():
subtemplates_list.append(get_tags_subtemplate(document))
if Comment.objects.for_model(document).count():
subtemplates_list.append(get_comments_subtemplate(document))
subtemplates_list.append(
{
'name': 'generic_list_subtemplate.html',
'context': {
'title': _(u'metadata'),
'object_list': document.documentmetadata_set.all(),
'extra_columns': [{'name': _(u'value'), 'attribute': 'value'}],
'hide_link': True,
}
},
)
document_group_subtemplate = get_document_group_subtemplate(request, document)
if document_group_subtemplate:
subtemplates_list.append(document_group_subtemplate)
return render_to_response('generic_detail.html', {
'object': document,
'document': document,
'subtemplates_list': subtemplates_list,
}, context_instance=RequestContext(request))
def document_view_advanced(request, document_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
document = get_object_or_404(Document.objects.select_related(), pk=document_id)
RecentDocument.objects.add_document_for_user(request.user, document)
subtemplates_list = []
form = DocumentForm_view(instance=document, extra_fields=[
{'label': _(u'Filename'), 'field': 'file_filename'},
{'label': _(u'File extension'), 'field': 'file_extension'},
{'label': _(u'File mimetype'), 'field': 'file_mimetype'},
{'label': _(u'File mime encoding'), 'field': 'file_mime_encoding'},
{'label': _(u'File size'), 'field':lambda x: pretty_size(x.file.storage.size(x.file.path)) if x.exists() else '-'},
{'label': _(u'Exists in storage'), 'field': 'exists'},
{'label': _(u'File path in storage'), 'field': 'file'},
{'label': _(u'Date added'), 'field':lambda x: x.date_added.date()},
{'label': _(u'Time added'), 'field':lambda x: unicode(x.date_added.time()).split('.')[0]},
{'label': _(u'Checksum'), 'field': 'checksum'},
{'label': _(u'UUID'), 'field': 'uuid'},
{'label': _(u'Pages'), 'field': lambda x: x.documentpage_set.count()},
])
preview_form = DocumentPreviewForm(document=document)
subtemplates_list.append(
{
'name': 'generic_form_subtemplate.html',
'context': {
'form': preview_form,
'object': document,
}
},
)
subtemplates_list.append(
{
'name': 'generic_form_subtemplate.html',
'context': {
'form': form,
'title': _(u'document properties'),
'object': document,
}
},
)
if document.tags.count():
subtemplates_list.append(get_tags_subtemplate(document))
if Comment.objects.for_model(document).count():
subtemplates_list.append(get_comments_subtemplate(document))
subtemplates_list.append(
{
'name': 'generic_list_subtemplate.html',
'context': {
'title': _(u'metadata'),
'object_list': document.documentmetadata_set.all(),
'extra_columns': [{'name': _(u'value'), 'attribute': 'value'}],
'hide_link': True,
}
},
)
document_group_subtemplate = get_document_group_subtemplate(request, document)
if document_group_subtemplate:
subtemplates_list.append(document_group_subtemplate)
if FILESERVING_ENABLE:
subtemplates_list.append({
'name': 'generic_list_subtemplate.html',
'context': {
'title': _(u'index links'),
'object_list': document.documentmetadataindex_set.all(),
'hide_link': True
}
})
return render_to_response('generic_detail.html', {
'object': document,
'document': document,
'subtemplates_list': subtemplates_list,
}, context_instance=RequestContext(request))
def document_delete(request, document_id=None, document_id_list=None):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_DELETE])
post_action_redirect = None
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(',')]
else:
messages.error(request, _(u'Must provide at least one document.'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', '/')))
next = request.POST.get('next', request.GET.get('next', post_action_redirect if post_action_redirect else request.META.get('HTTP_REFERER', '/')))
if request.method == 'POST':
for document in documents:
try:
document_delete_fs_links(document)
document.delete()
messages.success(request, _(u'Document: %s deleted successfully.') % document)
except Exception, e:
messages.error(request, _(u'Document: %(document)s delete error: %(error)s') % {
'document': document, 'error': e
})
return HttpResponseRedirect(next)
context = {
'object_name': _(u'document'),
'delete_view': True,
'previous': previous,
'next': next,
}
if len(documents) == 1:
context['object'] = documents[0]
context['title'] = _(u'Are you sure you wish to delete the document: %s?') % ', '.join([unicode(d) for d in documents])
elif len(documents) > 1:
context['title'] = _(u'Are you sure you wish to delete the documents: %s?') % ', '.join([unicode(d) for d in documents])
return render_to_response('generic_confirm.html', context,
context_instance=RequestContext(request))
def document_multiple_delete(request):
return document_delete(
request, document_id_list=request.GET.get('id_list', [])
)
def document_edit(request, document_id):
check_permissions(
request.user, 'documents', [PERMISSION_DOCUMENT_PROPERTIES_EDIT]
)
document = get_object_or_404(Document, pk=document_id)
RecentDocument.objects.add_document_for_user(request.user, document)
if request.method == 'POST':
form = DocumentForm_edit(request.POST, initial={'document_type': document.document_type})
if form.is_valid():
try:
document_delete_fs_links(document)
except Exception, e:
messages.error(request, e)
return HttpResponseRedirect(reverse('document_list'))
document.file_filename = form.cleaned_data['new_filename']
document.description = form.cleaned_data['description']
if 'document_type_available_filenames' in form.cleaned_data:
if form.cleaned_data['document_type_available_filenames']:
document.file_filename = form.cleaned_data['document_type_available_filenames'].filename
document.save()
messages.success(request, _(u'Document %s edited successfully.') % document)
try:
warnings = document_create_fs_links(document)
if request.user.is_staff or request.user.is_superuser:
for warning in warnings:
messages.warning(request, warning)
messages.success(request, _(u'Document filesystem links updated successfully.'))
except Exception, e:
messages.error(request, e)
return HttpResponseRedirect(document.get_absolute_url())
return HttpResponseRedirect(document.get_absolute_url())
else:
form = DocumentForm_edit(instance=document, initial={
'new_filename': document.file_filename, 'document_type': document.document_type})
return render_to_response('generic_form.html', {
'form': form,
'object': document,
}, context_instance=RequestContext(request))
def calculate_converter_arguments(document, *args, **kwargs):
size = kwargs.pop('size', PREVIEW_SIZE)
quality = kwargs.pop('quality', QUALITY_DEFAULT)
page = kwargs.pop('page', 1)
file_format = kwargs.pop('file_format', DEFAULT_FILE_FORMAT)
zoom = kwargs.pop('zoom', DEFAULT_ZOOM_LEVEL)
rotation = kwargs.pop('rotation', DEFAULT_ROTATION)
document_page = DocumentPage.objects.get(document=document, page_number=page)
transformation_string, warnings = document_page.get_transformation_string()
arguments = {
'size': size,
'file_format': file_format,
'quality': quality,
'extra_options': transformation_string,
'page': page - 1,
'zoom': zoom,
'rotation': rotation
}
return arguments, warnings
def get_document_image(request, document_id, size=PREVIEW_SIZE, quality=QUALITY_DEFAULT):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
document = get_object_or_404(Document, pk=document_id)
page = int(request.GET.get('page', 1))
zoom = int(request.GET.get('zoom', 100))
if zoom < ZOOM_MIN_LEVEL:
zoom = ZOOM_MIN_LEVEL
if zoom > ZOOM_MAX_LEVEL:
zoom = ZOOM_MAX_LEVEL
rotation = int(request.GET.get('rotation', 0)) % 360
arguments, warnings = calculate_converter_arguments(document, size=size, file_format=DEFAULT_FILE_FORMAT, quality=quality, page=page, zoom=zoom, rotation=rotation)
if warnings and (request.user.is_staff or request.user.is_superuser):
for warning in warnings:
messages.warning(request, _(u'Page transformation error: %s') % warning)
try:
output_file = convert_document(document, **arguments)
except UnkownConvertError, e:
if request.user.is_staff or request.user.is_superuser:
messages.error(request, e)
if size == THUMBNAIL_SIZE:
output_file = os.path.join(settings.MEDIA_ROOT, u'images', PICTURE_ERROR_SMALL)
else:
output_file = os.path.join(settings.MEDIA_ROOT, u'images', PICTURE_ERROR_MEDIUM)
except UnknownFormat:
if size == THUMBNAIL_SIZE:
output_file = os.path.join(settings.MEDIA_ROOT, u'images', PICTURE_UNKNOWN_SMALL)
else:
output_file = os.path.join(settings.MEDIA_ROOT, u'images', PICTURE_UNKNOWN_MEDIUM)
except Exception, e:
if request.user.is_staff or request.user.is_superuser:
messages.error(request, e)
if size == THUMBNAIL_SIZE:
output_file = os.path.join(settings.MEDIA_ROOT, u'images', PICTURE_ERROR_SMALL)
else:
output_file = os.path.join(settings.MEDIA_ROOT, u'images', PICTURE_ERROR_MEDIUM)
finally:
return sendfile.sendfile(request, output_file)
def document_download(request, document_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_DOWNLOAD])
document = get_object_or_404(Document, pk=document_id)
try:
#Test permissions and trigger exception
document.open()
return serve_file(
request,
document.file,
save_as=u'"%s"' % document.get_fullname(),
content_type=document.file_mimetype if document.file_mimetype else 'application/octet-stream'
)
except Exception, e:
messages.error(request, e)
return HttpResponseRedirect(request.META['HTTP_REFERER'])
def staging_file_preview(request, staging_file_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_CREATE])
try:
output_file, errors = StagingFile.get(staging_file_id).preview()
if errors and (request.user.is_staff or request.user.is_superuser):
for error in errors:
messages.warning(request, _(u'Staging file transformation error: %(error)s') % {
'error': error
})
except UnkownConvertError, e:
if request.user.is_staff or request.user.is_superuser:
messages.error(request, e)
output_file = os.path.join(settings.MEDIA_ROOT, u'images', PICTURE_ERROR_MEDIUM)
except UnknownFormat:
output_file = os.path.join(settings.MEDIA_ROOT, u'images', PICTURE_UNKNOWN_MEDIUM)
except Exception, e:
if request.user.is_staff or request.user.is_superuser:
messages.error(request, e)
output_file = os.path.join(settings.MEDIA_ROOT, u'images', PICTURE_ERROR_MEDIUM)
finally:
return sendfile.sendfile(request, output_file)
def staging_file_delete(request, staging_file_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_CREATE])
staging_file = StagingFile.get(staging_file_id)
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', None)))
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
if request.method == 'POST':
try:
staging_file.delete()
messages.success(request, _(u'Staging file delete successfully.'))
except Exception, e:
messages.error(request, e)
return HttpResponseRedirect(next)
return render_to_response('generic_confirm.html', {
'delete_view': True,
'object': staging_file,
'next': next,
'previous': previous,
}, context_instance=RequestContext(request))
def document_page_transformation_list(request, document_page_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_TRANSFORM])
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
return object_list(
request,
queryset=document_page.documentpagetransformation_set.all(),
template_name='generic_list.html',
extra_context={
'object': document_page,
'title': _(u'transformations for: %s') % document_page,
'web_theme_hide_menus': True,
'extra_columns': [
{'name': _(u'order'), 'attribute': 'order'},
{'name': _(u'transformation'), 'attribute': lambda x: x.get_transformation_display()},
{'name': _(u'arguments'), 'attribute': 'arguments'}
],
'hide_link': True,
'hide_object': True,
},
)
def document_page_transformation_create(request, document_page_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_TRANSFORM])
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
if request.method == 'POST':
form = DocumentPageTransformationForm(request.POST, initial={'document_page': document_page})
if form.is_valid():
form.save()
return HttpResponseRedirect(reverse('document_page_view', args=[document_page_id]))
else:
form = DocumentPageTransformationForm(initial={'document_page': document_page})
return render_to_response('generic_form.html', {
'form': form,
'object': document_page,
'title': _(u'Create new transformation for page: %(page)s of document: %(document)s') % {
'page': document_page.page_number, 'document': document_page.document},
'web_theme_hide_menus': True,
}, context_instance=RequestContext(request))
def document_page_transformation_edit(request, document_page_transformation_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_TRANSFORM])
document_page_transformation = get_object_or_404(DocumentPageTransformation, pk=document_page_transformation_id)
return update_object(request, template_name='generic_form.html',
form_class=DocumentPageTransformationForm,
object_id=document_page_transformation_id,
post_save_redirect=reverse('document_page_view', args=[document_page_transformation.document_page_id]),
extra_context={
'object_name': _(u'transformation'),
'title': _(u'Edit transformation "%(transformation)s" for: %(document_page)s') % {
'transformation': document_page_transformation.get_transformation_display(),
'document_page': document_page_transformation.document_page},
'web_theme_hide_menus': True,
}
)
def document_page_transformation_delete(request, document_page_transformation_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_TRANSFORM])
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
document_page_transformation = get_object_or_404(DocumentPageTransformation, pk=document_page_transformation_id)
return delete_object(request, model=DocumentPageTransformation, object_id=document_page_transformation_id,
template_name='generic_confirm.html',
post_delete_redirect=reverse('document_page_view', args=[document_page_transformation.document_page_id]),
extra_context={
'delete_view': True,
'object': document_page_transformation,
'object_name': _(u'document transformation'),
'title': _(u'Are you sure you wish to delete transformation "%(transformation)s" for: %(document_page)s') % {
'transformation': document_page_transformation.get_transformation_display(),
'document_page': document_page_transformation.document_page},
'previous': previous,
'web_theme_hide_menus': True,
})
def document_find_duplicates(request, document_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
document = get_object_or_404(Document, pk=document_id)
return _find_duplicate_list(request, [document], include_source=True, confirmation=False)
def _find_duplicate_list(request, source_document_list=Document.objects.all(), include_source=False, confirmation=True):
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
if confirmation and request.method != 'POST':
return render_to_response('generic_confirm.html', {
'previous': previous,
'message': _(u'On large databases this operation may take some time to execute.'),
}, context_instance=RequestContext(request))
else:
duplicated = []
for document in source_document_list:
if document.pk not in duplicated:
results = Document.objects.filter(checksum=document.checksum).exclude(id__in=duplicated).exclude(pk=document.pk).values_list('pk', flat=True)
duplicated.extend(results)
if include_source and results:
duplicated.append(document.pk)
return render_to_response('generic_list.html', {
'object_list': Document.objects.filter(pk__in=duplicated),
'title': _(u'duplicated documents'),
}, context_instance=RequestContext(request))
def document_find_all_duplicates(request):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
return _find_duplicate_list(request, include_source=True)
def document_clear_transformations(request, document_id=None, document_id_list=None):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_TRANSFORM])
if document_id:
documents = [get_object_or_404(Document.objects, pk=document_id)]
post_redirect = reverse('document_view_simple', args=[documents[0].pk])
elif document_id_list:
documents = [get_object_or_404(Document, pk=document_id) for document_id in document_id_list.split(',')]
post_redirect = None
else:
messages.error(request, _(u'Must provide at least one document.'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', u'/'))
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', post_redirect or reverse('document_list'))))
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', post_redirect or reverse('document_list'))))
if request.method == 'POST':
for document in documents:
try:
for document_page in document.documentpage_set.all():
for transformation in document_page.documentpagetransformation_set.all():
transformation.delete()
messages.success(request, _(u'All the page transformations for document: %s, have been deleted successfully.') % document)
except Exception, e:
messages.error(request, _(u'Error deleting the page transformations for document: %(document)s; %(error)s.') % {
'document': document, 'error': e})
return HttpResponseRedirect(next)
context = {
'object_name': _(u'document transformation'),
'delete_view': True,
'previous': previous,
'next': next,
}
if len(documents) == 1:
context['object'] = documents[0]
context['title'] = _(u'Are you sure you wish to clear all the page transformations for document: %s?') % ', '.join([unicode(d) for d in documents])
elif len(documents) > 1:
context['title'] = _(u'Are you sure you wish to clear all the page transformations for documents: %s?') % ', '.join([unicode(d) for d in documents])
return render_to_response('generic_confirm.html', context,
context_instance=RequestContext(request))
def document_multiple_clear_transformations(request):
return document_clear_transformations(request, document_id_list=request.GET.get('id_list', []))
def document_missing_list(request):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
if request.method != 'POST':
return render_to_response('generic_confirm.html', {
'previous': previous,
'message': _(u'On large databases this operation may take some time to execute.'),
}, context_instance=RequestContext(request))
else:
missing_id_list = []
for document in Document.objects.only('id',):
if not STORAGE_BACKEND().exists(document.file):
missing_id_list.append(document.pk)
return render_to_response('generic_list.html', {
'object_list': Document.objects.in_bulk(missing_id_list).values(),
'title': _(u'missing documents'),
}, context_instance=RequestContext(request))
def document_page_view(request, document_page_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
zoom = int(request.GET.get('zoom', 100))
rotation = int(request.GET.get('rotation', 0))
document_page_form = DocumentPageForm(instance=document_page, zoom=zoom, rotation=rotation)
return render_to_response('generic_detail.html', {
'object': document_page,
'web_theme_hide_menus': True,
'form': document_page_form,
'title': _(u'details for: %s') % document_page,
}, context_instance=RequestContext(request))
def document_page_text(request, document_page_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
document_page_form = DocumentPageForm_text(instance=document_page)
return render_to_response('generic_detail.html', {
'object': document_page,
'web_theme_hide_menus': True,
'form': document_page_form,
'title': _(u'details for: %s') % document_page,
}, context_instance=RequestContext(request))
def document_page_edit(request, document_page_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_EDIT])
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
if request.method == 'POST':
form = DocumentPageForm_edit(request.POST, instance=document_page)
if form.is_valid():
document_page.page_label = form.cleaned_data['page_label']
document_page.content = form.cleaned_data['content']
document_page.save()
messages.success(request, _(u'Document page edited successfully.'))
return HttpResponseRedirect(document_page.get_absolute_url())
else:
form = DocumentPageForm_edit(instance=document_page)
return render_to_response('generic_form.html', {
'form': form,
'object': document_page,
'title': _(u'edit: %s') % document_page,
'web_theme_hide_menus': True,
}, context_instance=RequestContext(request))
def document_page_navigation_next(request, document_page_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
view = resolve_to_name(urlparse.urlparse(request.META.get('HTTP_REFERER', u'/')).path)
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
if document_page.page_number >= document_page.document.documentpage_set.count():
messages.warning(request, _(u'There are no more pages in this document'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', u'/'))
else:
document_page = get_object_or_404(DocumentPage, document=document_page.document, page_number=document_page.page_number + 1)
return HttpResponseRedirect(reverse(view, args=[document_page.pk]))
def document_page_navigation_previous(request, document_page_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
view = resolve_to_name(urlparse.urlparse(request.META.get('HTTP_REFERER', u'/')).path)
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
if document_page.page_number <= 1:
messages.warning(request, _(u'You are already at the first page of this document'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', u'/'))
else:
document_page = get_object_or_404(DocumentPage, document=document_page.document, page_number=document_page.page_number - 1)
return HttpResponseRedirect(reverse(view, args=[document_page.pk]))
def document_page_navigation_first(request, document_page_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
view = resolve_to_name(urlparse.urlparse(request.META.get('HTTP_REFERER', u'/')).path)
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
document_page = get_object_or_404(DocumentPage, document=document_page.document, page_number=1)
return HttpResponseRedirect(reverse(view, args=[document_page.pk]))
def document_page_navigation_last(request, document_page_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
view = resolve_to_name(urlparse.urlparse(request.META.get('HTTP_REFERER', u'/')).path)
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
document_page = get_object_or_404(DocumentPage, document=document_page.document, page_number=document_page.document.documentpage_set.count())
return HttpResponseRedirect(reverse(view, args=[document_page.pk]))
def document_list_recent(request):
return document_list(
request,
object_list=[recent_document.document for recent_document in RecentDocument.objects.filter(user=request.user)],
title=_(u'recent documents')
)
def transform_page(request, document_page_id, zoom_function=None, rotation_function=None):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
view = resolve_to_name(urlparse.urlparse(request.META.get('HTTP_REFERER', u'/')).path)
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
# Get the query string from the referer url
query = urlparse.urlparse(request.META.get('HTTP_REFERER', u'/')).query
# Parse the query string and get the zoom value
# parse_qs return a dictionary whose values are lists
zoom = int(urlparse.parse_qs(query).get('zoom', ['100'])[0])
rotation = int(urlparse.parse_qs(query).get('rotation', ['0'])[0])
if zoom_function:
zoom = zoom_function(zoom)
if rotation_function:
rotation = rotation_function(rotation)
return HttpResponseRedirect(
u'?'.join([
reverse(view, args=[document_page.pk]),
urlencode({'zoom': zoom, 'rotation': rotation})
])
)
def document_page_zoom_in(request, document_page_id):
return transform_page(
request,
document_page_id,
zoom_function=lambda x: ZOOM_MAX_LEVEL if x + ZOOM_PERCENT_STEP > ZOOM_MAX_LEVEL else x + ZOOM_PERCENT_STEP
)
def document_page_zoom_out(request, document_page_id):
return transform_page(
request,
document_page_id,
zoom_function=lambda x: ZOOM_MIN_LEVEL if x - ZOOM_PERCENT_STEP < ZOOM_MIN_LEVEL else x - ZOOM_PERCENT_STEP
)
def document_page_rotate_right(request, document_page_id):
return transform_page(
request,
document_page_id,
rotation_function=lambda x: (x + ROTATION_STEP) % 360
)
def document_page_rotate_left(request, document_page_id):
return transform_page(
request,
document_page_id,
rotation_function=lambda x: (x - ROTATION_STEP) % 360
)
def document_print(request, document_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
document = get_object_or_404(Document, pk=document_id)
RecentDocument.objects.add_document_for_user(request.user, document)
post_redirect = None
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', post_redirect or document.get_absolute_url())))
new_window_url = None
html_redirect = None
if request.method == 'POST':
form = PrintForm(request.POST)
if form.is_valid():
hard_copy_arguments = {}
# Get page range
if form.cleaned_data['page_range']:
hard_copy_arguments['page_range'] = form.cleaned_data['page_range']
# Compute page width and height
if form.cleaned_data['custom_page_width'] and form.cleaned_data['custom_page_height']:
page_width = form.cleaned_data['custom_page_width']
page_height = form.cleaned_data['custom_page_height']
elif form.cleaned_data['page_size']:
page_width, page_height = dict(PAGE_SIZE_DIMENSIONS)[form.cleaned_data['page_size']]
# Page orientation
if form.cleaned_data['page_orientation'] == PAGE_ORIENTATION_LANDSCAPE:
page_width, page_height = page_height, page_width
hard_copy_arguments['page_width'] = page_width
hard_copy_arguments['page_height'] = page_height
new_url = [reverse('document_hard_copy', args=[document_id])]
if hard_copy_arguments:
new_url.append(urlquote(hard_copy_arguments))
new_window_url = u'?'.join(new_url)
new_window_url_name = u'document_hard_copy'
#html_redirect = next
#messages.success(request, _(u'Preparing document hardcopy.'))
else:
form = PrintForm()
return render_to_response('generic_form.html', {
'form': form,
'object': document,
'title': _(u'print: %s') % document,
'next': next,
'html_redirect': html_redirect if html_redirect else html_redirect,
'new_window_url': new_window_url if new_window_url else new_window_url
}, context_instance=RequestContext(request))
def document_hard_copy(request, document_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
document = get_object_or_404(Document, pk=document_id)
RecentDocument.objects.add_document_for_user(request.user, document)
arguments, warnings = calculate_converter_arguments(document, size=PRINT_SIZE, file_format=DEFAULT_FILE_FORMAT, quality=QUALITY_PRINT)
# Pre-generate
convert_document(document, **arguments)
# Extract dimension values ignoring any unit
page_width = request.GET.get('page_width', dict(PAGE_SIZE_DIMENSIONS)[DEFAULT_PAPER_SIZE][0])
page_height = request.GET.get('page_height', dict(PAGE_SIZE_DIMENSIONS)[DEFAULT_PAPER_SIZE][1])
width = float(page_width.split('i')[0].split('c')[0].split('m')[0])
height = float(page_height.split('i')[0].split('c')[0].split('m')[0])
page_range = request.GET.get('page_range', u'')
if page_range:
page_range = parse_range(page_range)
pages = document.documentpage_set.filter(page_number__in=page_range)
else:
pages = document.documentpage_set.all()
return render_to_response('document_print.html', {
'object': document,
'page_aspect': width / height,
'page_orientation': PAGE_ORIENTATION_LANDSCAPE if width / height > 1 else PAGE_ORIENTATION_PORTRAIT,
'page_orientation_landscape': True if width / height > 1 else False,
'page_orientation_portrait': False if width / height > 1 else True,
'page_range': page_range,
'page_width': page_width,
'page_height': page_height,
'pages': pages,
}, context_instance=RequestContext(request))