156 lines
6.7 KiB
Python
156 lines
6.7 KiB
Python
from __future__ import absolute_import, unicode_literals
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from django.conf import settings
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from django.contrib import messages
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from django.core.exceptions import PermissionDenied
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from django.core.urlresolvers import reverse
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from django.http import HttpResponseRedirect
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from django.shortcuts import get_object_or_404, render_to_response
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from django.template import RequestContext
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from django.utils.translation import ugettext_lazy as _
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from documents.models import Document
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from documents.views import DocumentListView
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from acls.models import AccessControlList
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from common.utils import encapsulate
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from common.views import SingleObjectCreateView
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from permissions import Permission
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from .exceptions import DocumentAlreadyCheckedOut, DocumentNotCheckedOut
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from .forms import DocumentCheckoutForm
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from .literals import STATE_LABELS
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from .models import DocumentCheckout
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from .permissions import (
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permission_document_checkin, permission_document_checkin_override,
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permission_document_checkout
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)
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class CheckoutDocumentView(SingleObjectCreateView):
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form_class = DocumentCheckoutForm
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def dispatch(self, request, *args, **kwargs):
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self.document = get_object_or_404(Document, pk=self.kwargs['pk'])
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try:
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Permission.check_permissions(request.user, [permission_document_checkout])
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except PermissionDenied:
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AccessControlList.objects.check_access(permission_document_checkout, request.user, self.document)
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return super(CheckoutDocumentView, self).dispatch(request, *args, **kwargs)
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def form_valid(self, form):
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try:
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instance = form.save(commit=False)
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instance.user = self.request.user
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instance.document = self.document
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instance.save()
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except DocumentAlreadyCheckedOut:
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messages.error(self.request, _('Document already checked out.'))
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except Exception as exception:
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messages.error(self.request, _('Error trying to check out document; %s') % exception)
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else:
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messages.success(self.request, _('Document "%s" checked out successfully.') % self.document)
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return HttpResponseRedirect(self.get_success_url())
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def get_extra_context(self):
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return {
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'object': self.document,
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'title': _('Check out document: %s') % self.document
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}
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def get_post_action_redirect(self):
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return reverse('checkouts:checkout_info', args=[self.document.pk])
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class CheckoutListView(DocumentListView):
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def get_document_queryset(self):
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return DocumentCheckout.objects.checked_out_documents()
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extra_context = {
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'title': _('Documents checked out'),
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'hide_links': True,
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'extra_columns': [
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{'name': _('User'), 'attribute': encapsulate(lambda document: document.checkout_info().user.get_full_name() or document.checkout_info().user)},
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{'name': _('Checkout time and date'), 'attribute': encapsulate(lambda document: document.checkout_info().checkout_datetime)},
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{'name': _('Checkout expiration'), 'attribute': encapsulate(lambda document: document.checkout_info().expiration_datetime)},
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],
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}
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def checkout_info(request, document_pk):
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document = get_object_or_404(Document, pk=document_pk)
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try:
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Permission.check_permissions(request.user, [permission_document_checkout, permission_document_checkin])
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except PermissionDenied:
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AccessControlList.objects.check_access([permission_document_checkout, permission_document_checkin], request.user, document)
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paragraphs = [_('Document status: %s') % STATE_LABELS[document.checkout_state()]]
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if document.is_checked_out():
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checkout_info = document.checkout_info()
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paragraphs.append(_('User: %s') % (checkout_info.user.get_full_name() or checkout_info.user))
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paragraphs.append(_('Check out time: %s') % checkout_info.checkout_datetime)
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paragraphs.append(_('Check out expiration: %s') % checkout_info.expiration_datetime)
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paragraphs.append(_('New versions allowed: %s') % (_('Yes') if not checkout_info.block_new_version else _('No')))
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return render_to_response('appearance/generic_template.html', {
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'paragraphs': paragraphs,
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'object': document,
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'title': _('Check out details for document: %s') % document
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}, context_instance=RequestContext(request))
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def checkin_document(request, document_pk):
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document = get_object_or_404(Document, pk=document_pk)
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post_action_redirect = reverse('checkouts:checkout_info', args=[document.pk])
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previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL))))
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next = request.POST.get('next', request.GET.get('next', post_action_redirect if post_action_redirect else request.META.get('HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL))))
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if not document.is_checked_out():
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messages.error(request, _('Document has not been checked out.'))
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return HttpResponseRedirect(previous)
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# If the user trying to check in the document is the same as the check out
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# user just check for the normal permission otherwise check for the forceful
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# checkin permission
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if document.checkout_info().user == request.user:
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try:
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Permission.check_permissions(request.user, [permission_document_checkin])
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except PermissionDenied:
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AccessControlList.objects.check_access(permission_document_checkin, request.user, document)
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else:
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try:
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Permission.check_permissions(request.user, [permission_document_checkin_override])
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except PermissionDenied:
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AccessControlList.objects.check_access(permission_document_checkin_override, request.user, document)
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if request.method == 'POST':
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try:
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document.check_in(user=request.user)
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except DocumentNotCheckedOut:
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messages.error(request, _('Document has not been checked out.'))
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except Exception as exception:
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messages.error(request, _('Error trying to check in document; %s') % exception)
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else:
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messages.success(request, _('Document "%s" checked in successfully.') % document)
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return HttpResponseRedirect(next)
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context = {
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'delete_view': False,
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'previous': previous,
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'next': next,
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'object': document,
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}
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if document.checkout_info().user != request.user:
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context['title'] = _('You didn\'t originally checked out this document. Are you sure you wish to forcefully check in document: %s?') % document
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else:
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context['title'] = _('Are you sure you wish to check in document: %s?') % document
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return render_to_response('appearance/generic_confirm.html', context,
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context_instance=RequestContext(request))
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