Files
mayan-edms/mayan/apps/checkouts/views.py
2015-01-19 04:06:40 -04:00

148 lines
6.8 KiB
Python

from __future__ import absolute_import, unicode_literals
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 documents.models import Document
from documents.views import document_list
from acls.models import AccessEntry
from common.utils import encapsulate, get_object_name
from permissions.models import Permission
from .exceptions import DocumentAlreadyCheckedOut, DocumentNotCheckedOut
from .forms import DocumentCheckoutForm
from .literals import STATE_LABELS
from .models import DocumentCheckout
from .permissions import (PERMISSION_DOCUMENT_CHECKIN,
PERMISSION_DOCUMENT_CHECKIN_OVERRIDE,
PERMISSION_DOCUMENT_CHECKOUT)
def checkout_list(request):
return document_list(
request,
object_list=DocumentCheckout.objects.checked_out_documents(),
title=_('Documents checked out'),
extra_context={
'extra_columns': [
{'name': _('Checkout user'), 'attribute': encapsulate(lambda document: get_object_name(document.checkout_info().user_object, display_object_type=False))},
{'name': _('Checkout time and date'), 'attribute': encapsulate(lambda document: document.checkout_info().checkout_datetime)},
{'name': _('Checkout expiration'), 'attribute': encapsulate(lambda document: document.checkout_info().expiration_datetime)},
],
}
)
def checkout_info(request, document_pk):
document = get_object_or_404(Document, pk=document_pk)
try:
Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_CHECKOUT, PERMISSION_DOCUMENT_CHECKIN])
except PermissionDenied:
AccessEntry.objects.check_accesses([PERMISSION_DOCUMENT_CHECKOUT, PERMISSION_DOCUMENT_CHECKIN], request.user, document)
paragraphs = [_('Document status: %s') % STATE_LABELS[document.checkout_state()]]
if document.is_checked_out():
checkout_info = document.checkout_info()
paragraphs.append(_('User: %s') % get_object_name(checkout_info.user_object, display_object_type=False))
paragraphs.append(_('Check out time: %s') % checkout_info.checkout_datetime)
paragraphs.append(_('Check out expiration: %s') % checkout_info.expiration_datetime)
paragraphs.append(_('New versions allowed: %s') % (_('Yes') if not checkout_info.block_new_version else _('No')))
return render_to_response('main/generic_template.html', {
'paragraphs': paragraphs,
'object': document,
'title': _('Document check out details')
}, context_instance=RequestContext(request))
def checkout_document(request, document_pk):
document = get_object_or_404(Document, pk=document_pk)
try:
Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_CHECKOUT])
except PermissionDenied:
AccessEntry.objects.check_access(PERMISSION_DOCUMENT_CHECKOUT, request.user, document)
if request.method == 'POST':
form = DocumentCheckoutForm(data=request.POST, initial={'document': document})
if form.is_valid():
try:
document_checkout = form.save(commit=False)
document_checkout.user_object = request.user
document_checkout.document = document
document_checkout.save()
except DocumentAlreadyCheckedOut:
messages.error(request, _('Document already checked out.'))
return HttpResponseRedirect(reverse('checkouts:checkout_info', args=[document.pk]))
except Exception as exception:
messages.error(request, _('Error trying to check out document; %s') % exception)
else:
messages.success(request, _('Document "%s" checked out successfully.') % document)
return HttpResponseRedirect(reverse('checkouts:checkout_info', args=[document.pk]))
else:
form = DocumentCheckoutForm(initial={'document': document})
return render_to_response('main/generic_form.html', {
'form': form,
'object': document,
'title': _('Document check out')
}, context_instance=RequestContext(request))
def checkin_document(request, document_pk):
document = get_object_or_404(Document, pk=document_pk)
post_action_redirect = reverse('checkouts:checkout_info', args=[document.pk])
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', reverse('main:home'))))
next = request.POST.get('next', request.GET.get('next', post_action_redirect if post_action_redirect else request.META.get('HTTP_REFERER', reverse('main:home'))))
if not document.is_checked_out():
messages.error(request, _('Document has not been checked out.'))
return HttpResponseRedirect(previous)
# If the user trying to check in the document is the same as the check out
# user just check for the normal permission otherwise check for the forceful
# checkin permission
if document.checkout_info().user_object == request.user:
try:
Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_CHECKIN])
except PermissionDenied:
AccessEntry.objects.check_access(PERMISSION_DOCUMENT_CHECKIN, request.user, document)
else:
try:
Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_CHECKIN_OVERRIDE])
except PermissionDenied:
AccessEntry.objects.check_access(PERMISSION_DOCUMENT_CHECKIN_OVERRIDE, request.user, document)
if request.method == 'POST':
try:
document.check_in(user=request.user)
except DocumentNotCheckedOut:
messages.error(request, _('Document has not been checked out.'))
except Exception as exception:
messages.error(request, _('Error trying to check in document; %s') % exception)
else:
messages.success(request, _('Document "%s" checked in successfully.') % document)
return HttpResponseRedirect(next)
context = {
'delete_view': False,
'previous': previous,
'next': next,
'object': document,
}
if document.checkout_info().user_object != request.user:
context['title'] = _('You didn\'t originally checked out this document. Are you sure you wish to forcefully check in document: %s?') % document
else:
context['title'] = _('Are you sure you wish to check in document: %s?') % document
return render_to_response('main/generic_confirm.html', context,
context_instance=RequestContext(request))