Files
mayan-edms/mayan/apps/ocr/views.py
2014-10-09 20:05:42 -04:00

215 lines
8.9 KiB
Python

from __future__ import absolute_import
from django.contrib import messages
from django.core.exceptions import PermissionDenied
from django.core.urlresolvers import reverse
from django.http import HttpResponseRedirect
from django.shortcuts import get_object_or_404, render_to_response
from django.template import RequestContext
from django.utils.translation import ugettext_lazy as _
from acls.models import AccessEntry
from common.utils import encapsulate
from documents.models import Document
from documents.widgets import document_link, document_thumbnail
from permissions.models import Permission
from .api import clean_pages
from .models import DocumentQueue, QueueDocument
from .permissions import (PERMISSION_OCR_CLEAN_ALL_PAGES,
PERMISSION_OCR_DOCUMENT,
PERMISSION_OCR_DOCUMENT_DELETE)
from .tasks import task_do_ocr
def queue_document_list(request, queue_name='default'):
Permission.objects.check_permissions(request.user, [PERMISSION_OCR_DOCUMENT])
document_queue = get_object_or_404(DocumentQueue, name=queue_name)
context = {
'object_list': document_queue.documents.all(),
'title': _(u'Documents in queue: %s') % document_queue,
'hide_object': True,
'queue': document_queue,
'object_name': _(u'Document queue'),
'navigation_object_name': 'queue',
'list_object_variable_name': 'queue_document',
'extra_columns': [
{'name': _('Document'), 'attribute': encapsulate(lambda x: document_link(x.document) if hasattr(x, 'document') else _(u'Missing document.'))},
{'name': _(u'Thumbnail'), 'attribute': encapsulate(lambda x: document_thumbnail(x.document))},
{'name': _('Added'), 'attribute': encapsulate(lambda x: unicode(x.datetime_submitted).split('.')[0]), 'keep_together':True},
{'name': _('Node'), 'attribute': 'node_name'},
{'name': _('Result'), 'attribute': 'result'},
],
'multi_select_as_buttons': True,
}
return render_to_response('main/generic_list.html', context,
context_instance=RequestContext(request))
def queue_document_delete(request, queue_document_id=None, queue_document_id_list=None):
Permission.objects.check_permissions(request.user, [PERMISSION_OCR_DOCUMENT_DELETE])
if queue_document_id:
queue_documents = [get_object_or_404(QueueDocument, pk=queue_document_id)]
elif queue_document_id_list:
queue_documents = [get_object_or_404(QueueDocument, pk=queue_document_id) for queue_document_id in queue_document_id_list.split(',')]
else:
messages.error(request, _(u'Must provide at least one queue document.'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
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':
for queue_document in queue_documents:
try:
queue_document.delete()
messages.success(request, _(u'Queue document: %(document)s deleted successfully.') % {
'document': queue_document.document})
except Exception as exception:
messages.error(request, _(u'Error deleting document: %(document)s; %(error)s') % {
'document': queue_document, 'error': exception})
return HttpResponseRedirect(next)
context = {
'next': next,
'previous': previous,
'delete_view': True,
'form_icon': u'hourglass_delete.png',
}
if len(queue_documents) == 1:
context['object'] = queue_documents[0]
context['title'] = _(u'Are you sure you wish to delete queue document: %s?') % ', '.join([unicode(d) for d in queue_documents])
elif len(queue_documents) > 1:
context['title'] = _(u'Are you sure you wish to delete queue documents: %s?') % ', '.join([unicode(d) for d in queue_documents])
return render_to_response('main/generic_confirm.html', context,
context_instance=RequestContext(request))
def queue_document_multiple_delete(request):
return queue_document_delete(request, queue_document_id_list=request.GET.get('id_list', ''))
def submit_document_multiple(request):
for item_id in request.GET.get('id_list', '').split(','):
submit_document(request, item_id)
return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
def submit_document(request, document_id):
document = get_object_or_404(Document, pk=document_id)
try:
Permission.objects.check_permissions(request.user, [PERMISSION_OCR_DOCUMENT])
except PermissionDenied:
AccessEntry.objects.check_access(PERMISSION_OCR_DOCUMENT, request.user, document)
return submit_document_to_queue(request, document=document,
post_submit_redirect=request.META.get('HTTP_REFERER', reverse('main:home')))
def submit_document_to_queue(request, document, post_submit_redirect=None):
"""
This view is meant to be reusable
"""
document.submit_for_ocr()
messages.success(request, _(u'Document: %(document)s was added to the OCR queue.') % {
'document': document}
)
if post_submit_redirect:
return HttpResponseRedirect(post_submit_redirect)
def re_queue_document(request, queue_document_id=None, queue_document_id_list=None):
Permission.objects.check_permissions(request.user, [PERMISSION_OCR_DOCUMENT])
if queue_document_id:
queue_documents = [get_object_or_404(QueueDocument, pk=queue_document_id)]
elif queue_document_id_list:
queue_documents = [get_object_or_404(QueueDocument, pk=queue_document_id) for queue_document_id in queue_document_id_list.split(',')]
else:
messages.error(request, _(u'Must provide at least one queue document.'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
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':
for queue_document in queue_documents:
try:
queue_document.document.submit_for_ocr()
messages.success(
request,
_(u'Document: %(document)s was re-queued for OCR.') % {
'document': queue_document.document
}
)
except Document.DoesNotExist:
messages.error(request, _(u'Document id#: %d, no longer exists.') % queue_document.document_id)
return HttpResponseRedirect(next)
context = {
'next': next,
'previous': previous,
'form_icon': u'hourglass_add.png',
}
if len(queue_documents) == 1:
context['object'] = queue_documents[0]
context['title'] = _(u'Are you sure you wish to re-queue document: %s?') % ', '.join([unicode(d) for d in queue_documents])
elif len(queue_documents) > 1:
context['title'] = _(u'Are you sure you wish to re-queue documents: %s?') % ', '.join([unicode(d) for d in queue_documents])
return render_to_response('main/generic_confirm.html', context,
context_instance=RequestContext(request))
def re_queue_multiple_document(request):
return re_queue_document(request, queue_document_id_list=request.GET.get('id_list', []))
def all_document_ocr_cleanup(request):
Permission.objects.check_permissions(request.user, [PERMISSION_OCR_CLEAN_ALL_PAGES])
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', None)))
if request.method != 'POST':
return render_to_response('main/generic_confirm.html', {
'previous': previous,
'next': next,
'title': _(u'Are you sure you wish to clean up all the pages content?'),
'message': _(u'On large databases this operation may take some time to execute.'),
'form_icon': u'text_strikethroungh.png',
}, context_instance=RequestContext(request))
else:
try:
clean_pages()
messages.success(request, _(u'Document pages content clean up complete.'))
except Exception as exception:
messages.error(request, _(u'Document pages content clean up error: %s') % exception)
return HttpResponseRedirect(next)
def display_link(obj):
output = []
if hasattr(obj, 'get_absolute_url'):
output.append(u'<a href="%(url)s">%(obj)s</a>' % {
'url': obj.get_absolute_url(),
'obj': obj
})
if output:
return u''.join(output)
else:
return obj