Files
mayan-edms/apps/checkouts/views.py
2012-06-28 15:56:43 -04:00

148 lines
6.7 KiB
Python

from __future__ import absolute_import
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.core.urlresolvers import reverse
from django.core.exceptions import PermissionDenied
from documents.views import document_list
from documents.models import Document
from permissions.models import Permission
from acls.models import AccessEntry
from common.utils import get_object_name
from common.utils import encapsulate
from .models import DocumentCheckout
from .permissions import (PERMISSION_DOCUMENT_CHECKOUT, PERMISSION_DOCUMENT_CHECKIN,
PERMISSION_DOCUMENT_CHECKIN_OVERRIDE)
from .forms import DocumentCheckoutForm
from .exceptions import DocumentAlreadyCheckedOut, DocumentNotCheckedOut
from .literals import STATE_CHECKED_OUT, STATE_CHECKED_IN, STATE_ICONS, STATE_LABELS
from .widgets import checkout_widget
def checkout_list(request):
return document_list(
request,
object_list=DocumentCheckout.objects.checked_out_documents(),
title=_(u'checked out documents'),
extra_context={
'extra_columns': [
{'name': _(u'checkout user'), 'attribute': encapsulate(lambda document: get_object_name(document.checkout_info().user_object, display_object_type=False))},
{'name': _(u'checkout time and date'), 'attribute': encapsulate(lambda document: document.checkout_info().checkout_datetime)},
{'name': _(u'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 = [checkout_widget(document)]
if document.is_checked_out():
checkout_info = document.checkout_info()
paragraphs.append(_(u'User: %s') % get_object_name(checkout_info.user_object, display_object_type=False))
paragraphs.append(_(u'Check out time: %s') % checkout_info.checkout_datetime)
paragraphs.append(_(u'Check out expiration: %s') % checkout_info.expiration_datetime)
paragraphs.append(_(u'New versions allowed: %s') % (_(u'yes') if not checkout_info.block_new_version else _(u'no')))
return render_to_response('generic_template.html', {
'paragraphs': paragraphs,
'object': document,
'title': _(u'Check out details for document: %s') % document
}, 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})
try:
if form.is_valid():
try:
document_checkout = form.save(commit=False)
document_checkout.user_object = request.user
document_checkout.save()
except Exception, exc:
messages.error(request, _(u'Error trying to check out document; %s') % exc)
else:
messages.success(request, _(u'Document "%s" checked out successfully.') % document)
return HttpResponseRedirect(reverse('checkout_info', args=[document.pk]))
except DocumentAlreadyCheckedOut:
messages.error(request, _(u'Document already checked out.'))
return HttpResponseRedirect(reverse('checkout_info', args=[document.pk]))
else:
form = DocumentCheckoutForm(initial={'document': document})
return render_to_response('generic_form.html', {
'form': form,
'object': document,
'title': _(u'Check out document: %s') % document
}, context_instance=RequestContext(request))
def checkin_document(request, document_pk):
document = get_object_or_404(Document, pk=document_pk)
post_action_redirect = reverse('checkout_info', args=[document.pk])
# 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)
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':
try:
document.check_in(user=request.user)
except DocumentNotCheckedOut:
messages.error(request, _(u'Document has not been checked out.'))
except Exception, exc:
messages.error(request, _(u'Error trying to check in document; %s') % exc)
else:
messages.success(request, _(u'Document "%s" checked in successfully.') % document)
return HttpResponseRedirect(next)
context = {
'object_name': _(u'document'),
'delete_view': False,
'previous': previous,
'next': next,
'form_icon': u'basket_remove.png',
'object': document,
}
if document.checkout_info().user_object != request.user:
context['title'] = _(u'You didn\'t originally checked out this document. Are you sure you wish to forcefully check in document: %s?') % document
else:
context['title'] = _(u'Are you sure you wish to check in document: %s?') % document
return render_to_response('generic_confirm.html', context,
context_instance=RequestContext(request))