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views.py
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views.py
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from django.contrib.auth.decorators import login_required
from django.shortcuts import render_to_response, get_object_or_404
from django.http import HttpResponseForbidden, HttpResponseRedirect
from django.template import RequestContext
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext as _
from django import forms
from ...utils.GroupNodes import group_assignments
from ..core.models import Delivery, AssignmentGroup, Assignment, Deadline
from ..core import gradeplugin
from ..ui.widgets import DevilryDateTimeWidget
from ..ui.messages import UiMessages
from ..ui.filtertable import Columns, Col
from ..admin.assignmentgroup_filtertable import (
AssignmentGroupsFilterTableBase, AssignmentGroupsAction,
FilterStatus, FilterIsPassingGrade, FilterNumberOfCandidates,
FilterAfterDeadline, create_deadlines_base, clear_deadlines_base,
FilterIsOpen, open_close_many_groups_base,
publish_many_groups_base)
from ...utils.delivery_collection import (create_archive_from_assignmentgroups,
create_archive_from_delivery,
verify_groups_not_exceeding_max_file_size,
verify_deliveries_not_exceeding_max_file_size)
from ...utils.assignmentgroup import GroupDeliveriesByDeadline
from django.conf import settings
class DeadlineForm(forms.ModelForm):
deadline = forms.DateTimeField(widget=DevilryDateTimeWidget,
help_text=_('The exact date and time of the deadline.'))
text = forms.CharField(required=False,
widget=forms.Textarea(attrs=dict(rows=10,
cols=70)),
help_text=_('A optional text about the deadline. You could use '\
'this to tell the student something extra about the ' \
'deadline. (Example: "this is your last chance").'))
class Meta:
model = Deadline
fields = ['deadline', 'text']
def clean(self):
return self.cleaned_data
class AssignmentGroupsExaminerFilterTable(AssignmentGroupsFilterTableBase):
id = 'assignmentgroups-examiner-filtertable'
has_related_actions = False
has_selection_actions = True
default_order_by = 'status'
selectionactions = [
AssignmentGroupsAction(_("Download deliveries as ZIP"),
'devilry-examiner-download_file_collection_as_zip'),
AssignmentGroupsAction(_("Download deliveries as TAR"),
'devilry-examiner-download_file_collection_as_tar'),
AssignmentGroupsAction(_("Create/replace deadline"),
'devilry-examiner-create_deadlines'),
AssignmentGroupsAction(_("Clear deadlines"),
'devilry-examiner-clear_deadlines',
confirm_title=_("Confirm clear deadlines"),
confirm_message=_("Are you sure you want to clear "\
"deadlines on the following groups?")),
AssignmentGroupsAction(_("Close groups"),
'devilry-examiner-close_many_groups',
confirm_title=_("Confirm close groups"),
confirm_message=_("Are you sure you want to close "\
"the selected groups?")),
AssignmentGroupsAction(_("Open groups"),
'devilry-examiner-open_many_groups',
confirm_title=_("Confirm open groups"),
confirm_message=_("Are you sure you want to open "\
"the selected groups?")),
AssignmentGroupsAction(_("Publish latest feedback"),
'devilry-examiner-publish_many_groups',
confirm_title=_("Confirm publish groups"),
confirm_message=_("Are you sure you want to publish "\
"the selected groups? This will send an email to each "
"member of every selected group.")),
AssignmentGroupsAction(_("Show email addresses"),
'devilry-examiner-show_emails'),
]
def __init__(self, request, assignment, assignmentgroups):
self.assignmentgroups = assignmentgroups
super(AssignmentGroupsExaminerFilterTable, self).__init__(request,
assignment)
def get_filters(self):
filters = [
FilterStatus(),
FilterIsOpen(),
FilterIsPassingGrade(),
FilterAfterDeadline(),
]
numcan = FilterNumberOfCandidates(self.assignment)
if not (numcan.maximum == 1 and numcan.minimum == 1):
filters.append(numcan)
return filters
def get_columns(self):
return Columns(
Col('id', "Id", optional=True),
Col('candidates', "Candidates"),
Col('examiners', "Examiners", optional=True),
Col('name', "Name", can_order=True, optional=True,
active_default=True),
Col('deadlines', "Deadlines", optional=True),
Col('active_deadline', "Active deadline", optional=True),
Col('latest_delivery', "Latest delivery", optional=True,
can_order=True),
Col('deliveries_count', "Deliveries", optional=True,
can_order=True),
Col('scaled_points', "Points", optional=True, can_order=True),
Col('isopen', "Open?", optional=True),
Col('grade', "Grade", optional=True),
Col('status', "Status", can_order=True, optional=True,
active_default=True))
def create_row(self, group, active_optional_cols):
row = super(AssignmentGroupsExaminerFilterTable, self).create_row(
group, active_optional_cols)
row.add_action(_("show"),
reverse('devilry-examiner-show_assignmentgroup-as-examiner',
args=[str(group.id)]))
#if group.deliveries_count > 0:
#pk = str(group.get_latest_delivery().id)
#row.add_action(_("latest delivery"),
#reverse('devilry-examiner-edit-feedback-as-examiner',
#args=[pk]))
return row
def get_assignmentgroups(self):
return self.assignmentgroups.all()
@login_required
def list_assignments(request):
assignments = Assignment.active_where_is_examiner(request.user)
if assignments.count() == 0:
return HttpResponseForbidden("Forbidden")
subjects = group_assignments(assignments)
is_admin = Assignment.where_is_admin_or_superadmin(request.user).count() > 0
return render_to_response(
'devilry/examiner/list_assignments.django.html', {
'page_heading': _("Assignments"),
'is_admin': is_admin,
'subjects': subjects,
}, context_instance=RequestContext(request))
@login_required
def list_assignmentgroups(request, assignment_id):
assignment = get_object_or_404(Assignment, pk=assignment_id)
assignment_groups = assignment.assignment_groups_where_is_examiner(
request.user)
messages = UiMessages()
messages.load(request)
if assignment_groups.count() == 0:
return HttpResponseForbidden("Forbidden")
tbl = AssignmentGroupsExaminerFilterTable.initial_html(request,
reverse('devilry-examiner-list_assignmentgroups_json',
args=[str(assignment_id)]))
return render_to_response(
'devilry/examiner/list_assignmentgroups.django.html', {
'messages': messages,
'filtertbl': tbl,
'assignment': assignment,
'is_admin': assignment.can_save(request.user)
}, context_instance=RequestContext(request))
@login_required
def list_assignmentgroups_json(request, assignment_id):
assignment = get_object_or_404(Assignment, id=assignment_id)
assignment_groups = assignment.assignment_groups_where_is_examiner(
request.user)
if assignment_groups.count() == 0:
return HttpResponseForbidden("Forbidden")
a = AssignmentGroupsExaminerFilterTable(request, assignment,
assignment_groups)
return a.json_response()
@login_required
def delete_deadline(request, assignmentgroup_id, deadline_id):
assignment_group = get_object_or_404(AssignmentGroup, pk=assignmentgroup_id)
if not assignment_group.can_examine(request.user):
return HttpResponseForbidden("Forbidden")
deadline = get_object_or_404(Deadline, pk=deadline_id)
deadline.delete()
messages = UiMessages()
messages.add_success(_('Deadline "%(deadline)s" successfully deleted.' %
dict(deadline=deadline)))
messages.save(request)
return HttpResponseRedirect(reverse(
'devilry-examiner-show_assignmentgroup',
args=[assignmentgroup_id]))
def _close_open_assignmentgroup(request, assignmentgroup_id, is_open, msg):
assignment_group = get_object_or_404(AssignmentGroup, pk=assignmentgroup_id)
if not assignment_group.can_examine(request.user):
return HttpResponseForbidden("Forbidden")
assignment_group.is_open = is_open;
assignment_group.save()
messages = UiMessages()
messages.add_success(msg)
messages.save(request)
return HttpResponseRedirect(request.META["HTTP_REFERER"])
@login_required
def close_assignmentgroup(request, assignmentgroup_id):
return _close_open_assignmentgroup(request, assignmentgroup_id, False,
_('Group was successfully closed.'))
@login_required
def open_assignmentgroup(request, assignmentgroup_id):
return _close_open_assignmentgroup(request, assignmentgroup_id, True,
_('Group was successfully opened.'))
def _handle_is_admin(request, is_admin):
sessionkey = "is_admin"
if is_admin == False:
if request.session.get("is_admin"):
del request.session['is_admin']
if is_admin == True:
request.session['is_admin'] = True
request.session.save()
@login_required
def edit_deadline(request, assignmentgroup_id, deadline_id=None):
assignment_group = get_object_or_404(AssignmentGroup, pk=assignmentgroup_id)
if not assignment_group.can_examine(request.user):
return HttpResponseForbidden("Forbidden")
nexturl = request.POST.get('next',
reverse("devilry-examiner-show_assignmentgroup",
args=[assignmentgroup_id]))
if request.method == 'POST':
deadline = Deadline()
deadline.assignment_group = assignment_group
deadline_form = DeadlineForm(request.POST, instance=deadline)
if deadline_form.is_valid():
deadline.save()
return HttpResponseRedirect(nexturl)
else:
deadline_form = DeadlineForm()
return render_to_response(
'devilry/examiner/edit-deadline.django.html', {
'assignment_group': assignment_group,
'deadline_id': deadline_id,
'deadline_form': deadline_form
}, context_instance=RequestContext(request))
@login_required
def show_assignmentgroup(request, assignmentgroup_id, is_admin=None):
assignment_group = get_object_or_404(AssignmentGroup, pk=assignmentgroup_id)
if not assignment_group.can_examine(request.user):
return HttpResponseForbidden("Forbidden")
_handle_is_admin(request, is_admin)
show_deadline_hint = assignment_group.is_open and \
assignment_group.status == AssignmentGroup.CORRECTED_AND_PUBLISHED
messages = UiMessages()
messages.load(request)
dg = GroupDeliveriesByDeadline(assignment_group)
return render_to_response(
'devilry/examiner/show_assignmentgroup.django.html', {
'assignment_group': assignment_group,
'after_deadline': dg.after_last_deadline,
'within_a_deadline': dg.within_a_deadline,
'ungrouped_deliveries': dg.ungrouped_deliveries,
'show_deadline_hint': show_deadline_hint,
'messages': messages,
}, context_instance=RequestContext(request))
@login_required
def edit_feedback(request, delivery_id, is_admin=None):
delivery_obj = get_object_or_404(Delivery, pk=delivery_id)
if not delivery_obj.assignment_group.can_examine(request.user):
return HttpResponseForbidden("Forbidden")
_handle_is_admin(request, is_admin)
key = delivery_obj.assignment_group.parentnode.grade_plugin
return gradeplugin.registry.getitem(key).view(request, delivery_obj)
@login_required
def show_emails(request, assignment_id):
assignment = get_object_or_404(Assignment, id=assignment_id)
groups = AssignmentGroupsExaminerFilterTable.get_selected_groups(request)
emails = ''
if assignment.anonymous:
return HttpResponseForbidden(_("You do not have access to see the email"\
" addresses for this anonymous assignment."))
#Check permission for examiner and add email adresses
for g in groups:
if not g.can_examine(request.user):
return HttpResponseForbidden(_("Forbidden: You tried to download"\
" deliveries from an assignment you"\
" do not have access to."))
else:
cands = g.candidates.all()
for c in cands:
emails += ", %s" % c.student.email
# Remove first comma
emails = emails[2:]
return render_to_response(
'devilry/examiner/show_emails.django.html', {
"emails" : emails,
"assignment" : assignment
}, context_instance=RequestContext(request))
@login_required
def download_file_collection(request, assignment_id, archive_type=None):
assignment = get_object_or_404(Assignment, id=assignment_id)
groups = AssignmentGroupsExaminerFilterTable.get_selected_groups(request)
#Check permission for examiner
for g in groups:
if not g.can_examine(request.user):
return HttpResponseForbidden(_("Forbidden: You tried to download"\
" deliveries from an assignment you"\
" do not have access to."))
if archive_type == "zip":
try:
verify_groups_not_exceeding_max_file_size(groups)
except Exception, e:
return HttpResponseForbidden(_("One or more files exceeds the maximum"\
" file size for ZIP files."))
return create_archive_from_assignmentgroups(request, groups, assignment.get_path(), archive_type)
@login_required
def download_delivery(request, delivery_id, archive_type=None):
delivery = get_object_or_404(Delivery, id=delivery_id)
#Check permission for examiner
if not delivery.assignment_group.can_examine(request.user):
return HttpResponseForbidden(_("Forbidden: You tried to download"\
" deliveries from an assignment you"\
" do not have access to."))
if archive_type == "zip":
try:
verify_deliveries_not_exceeding_max_file_size([delivery])
except Exception, e:
return HttpResponseForbidden(_("One or more files exceeds the maximum"\
" file size for ZIP files."))
return create_archive_from_delivery(request, delivery, archive_type)
@login_required
def download_group_deliveries(request, delivery_id, archive_type=None):
delivery = get_object_or_404(Delivery, id=delivery_id)
group = get_object_or_404(AssignmentGroup, id=delivery.assignment_group.id)
#Check permission for examiner
if not delivery.assignment_group.can_examine(request.user):
return HttpResponseForbidden(_("Forbidden: You tried to download"\
" deliveries from an assignment you"\
" do not have access to."))
return create_archive_from_assignmentgroups(request, [group], group.parentnode.get_path(), archive_type)
@login_required
def create_deadlines(request, assignment_id):
groups = AssignmentGroupsExaminerFilterTable.get_selected_groups(request)
return create_deadlines_base(request, assignment_id, groups,
AssignmentGroupsExaminerFilterTable.get_checkbox_name(),
'devilry-examiner-list_assignmentgroups',
'devilry-examiner-create_deadlines',
'devilry/examiner/create_deadlines.django.html')
@login_required
def clear_deadlines(request, assignment_id):
groups = AssignmentGroupsExaminerFilterTable.get_selected_groups(request)
return clear_deadlines_base(request, assignment_id, groups,
'devilry-examiner-list_assignmentgroups')
@login_required
def close_many_groups(request, assignment_id):
groups = AssignmentGroupsExaminerFilterTable.get_selected_groups(request)
redirect_to = reverse('devilry-examiner-list_assignmentgroups',
args=[str(assignment_id)])
return open_close_many_groups_base(request, assignment_id, groups,
redirect_to, is_open=False)
@login_required
def open_many_groups(request, assignment_id):
groups = AssignmentGroupsExaminerFilterTable.get_selected_groups(request)
redirect_to = reverse('devilry-examiner-list_assignmentgroups',
args=[str(assignment_id)])
return open_close_many_groups_base(request, assignment_id, groups,
redirect_to, is_open=True)
@login_required
def publish_many_groups(request, assignment_id):
groups = AssignmentGroupsExaminerFilterTable.get_selected_groups(request)
redirect_to = reverse('devilry-examiner-list_assignmentgroups',
args=[str(assignment_id)])
return publish_many_groups_base(request, assignment_id, groups, redirect_to)