def modify_reservation(request, start_delta, end_delta):
"""
Cancel the user's old reservation and create a new one. Reservations are cancelled and recreated so that
reservation abuse can be tracked if necessary. This function should be called by other views and should
not be tied directly to a URL.
"""
try:
reservation_to_cancel = Reservation.objects.get(
pk=request.POST.get('id'))
except Reservation.DoesNotExist:
return HttpResponseNotFound(
"The reservation that you wish to modify doesn't exist!")
response = check_policy_to_cancel_reservation(reservation_to_cancel,
request.user)
# Do not move the reservation if the user was not authorized to cancel it.
if response.status_code != HTTPStatus.OK:
return response
# Record the current time so that the timestamp of the cancelled reservation and the new reservation match exactly.
now = timezone.now()
# Cancel the user's original reservation.
reservation_to_cancel.cancelled = True
reservation_to_cancel.cancellation_time = now
reservation_to_cancel.cancelled_by = request.user
# Create a new reservation for the user.
new_reservation = Reservation()
new_reservation.title = reservation_to_cancel.title
new_reservation.creator = request.user
new_reservation.additional_information = reservation_to_cancel.additional_information
# A change in start time will only be provided if the reservation is being moved.
new_reservation.start = reservation_to_cancel.start
new_reservation.self_configuration = reservation_to_cancel.self_configuration
new_reservation.short_notice = False
if start_delta:
new_reservation.start += start_delta
if new_reservation.self_configuration:
# Reservation can't be short notice since the user is configuring the tool themselves.
new_reservation.short_notice = False
else:
new_reservation.short_notice = determine_insufficient_notice(
reservation_to_cancel.tool, new_reservation.start)
# A change in end time will always be provided for reservation move and resize operations.
new_reservation.end = reservation_to_cancel.end + end_delta
new_reservation.tool = reservation_to_cancel.tool
new_reservation.project = reservation_to_cancel.project
new_reservation.user = reservation_to_cancel.user
new_reservation.creation_time = now
policy_problems, overridable = check_policy_to_save_reservation(
reservation_to_cancel, new_reservation, request.user, False)
if policy_problems:
return HttpResponseBadRequest(policy_problems[0])
else:
# All policy checks passed, so save the reservation.
new_reservation.save_and_notify()
reservation_to_cancel.descendant = new_reservation
reservation_to_cancel.save_and_notify()
return response
def reserve_tool(request):
tool = Tool.objects.get(id=request.POST['tool_id'])
customer = User.objects.get(id=request.POST['customer_id'])
project = Project.objects.get(id=request.POST['project_id'])
back = request.POST['back']
error_dictionary = {
'back': back,
'tool': tool,
'project': project,
'customer': customer,
}
""" Create a reservation for a user. """
try:
date = parse_date(request.POST['date'])
start = localize(
datetime.combine(date, parse_time(request.POST['start'])))
end = localize(datetime.combine(date, parse_time(request.POST['end'])))
except:
error_dictionary[
'message'] = 'Please enter a valid date, start time, and end time for the reservation.'
return render(request, 'kiosk/error.html', error_dictionary)
# Create the new reservation:
reservation = Reservation()
reservation.project = project
reservation.user = customer
reservation.creator = customer
reservation.tool = tool
reservation.start = start
reservation.end = end
reservation.short_notice = determine_insufficient_notice(tool, start)
policy_problems, overridable = check_policy_to_save_reservation(
None, reservation, customer, False)
# If there was a problem in saving the reservation then return the error...
if policy_problems:
error_dictionary['message'] = policy_problems[0]
return render(request, 'kiosk/error.html', error_dictionary)
# All policy checks have passed.
if project is None and not customer.is_staff:
error_dictionary[
'message'] = 'You must specify a project for your reservation'
return render(request, 'kiosk/error.html', error_dictionary)
reservation.additional_information, reservation.self_configuration = extract_configuration(
request)
# Reservation can't be short notice if the user is configuring the tool themselves.
if reservation.self_configuration:
reservation.short_notice = False
reservation.save_and_notify()
return render(request, 'kiosk/success.html', {
'new_reservation': reservation,
'customer': customer
})
def make_reservation(request):
""" Create a reservation for a user. """
try:
date = parse_date(request.POST['date'])
start = localize(
datetime.combine(date, parse_time(request.POST['start'])))
end = localize(datetime.combine(date, parse_time(request.POST['end'])))
except:
return render(
request, 'mobile/error.html', {
'message':
'Please enter a valid date, start time, and end time for the reservation.'
})
tool = get_object_or_404(Tool, id=request.POST.get('tool_id'))
# Create the new reservation:
reservation = Reservation()
reservation.user = request.user
reservation.creator = request.user
reservation.tool = tool
reservation.start = start
reservation.end = end
reservation.short_notice = determine_insufficient_notice(tool, start)
policy_problems, overridable = check_policy_to_save_reservation(
None, reservation, request.user, False)
# If there was a problem in saving the reservation then return the error...
if policy_problems:
return render(request, 'mobile/error.html',
{'message': policy_problems[0]})
# All policy checks have passed.
try:
reservation.project = Project.objects.get(
id=request.POST['project_id'])
except:
if not request.user.is_staff:
return render(
request, 'mobile/error.html',
{'message': 'You must specify a project for your reservation'})
reservation.additional_information, reservation.self_configuration = extract_configuration(
request)
# Reservation can't be short notice if the user is configuring the tool themselves.
if reservation.self_configuration:
reservation.short_notice = False
reservation.save_and_notify()
return render(request, 'mobile/reservation_success.html',
{'new_reservation': reservation})
def create_reservation(request):
""" Create a reservation for a user. """
try:
start, end = extract_times(request.POST)
except Exception as e:
return HttpResponseBadRequest(str(e))
tool = get_object_or_404(Tool, name=request.POST.get('tool_name'))
explicit_policy_override = False
if request.user.is_staff:
try:
user = User.objects.get(id=request.POST['impersonate'])
except:
user = request.user
try:
explicit_policy_override = request.POST[
'explicit_policy_override'] == 'true'
except:
pass
else:
user = request.user
# Create the new reservation:
new_reservation = Reservation()
new_reservation.user = user
new_reservation.creator = request.user
new_reservation.tool = tool
new_reservation.start = start
new_reservation.end = end
new_reservation.short_notice = determine_insufficient_notice(tool, start)
policy_problems, overridable = check_policy_to_save_reservation(
None, new_reservation, user, explicit_policy_override)
# If there was a problem in saving the reservation then return the error...
if policy_problems:
return render(
request, 'calendar/policy_dialog.html', {
'policy_problems': policy_problems,
'overridable': overridable and request.user.is_staff
})
# All policy checks have passed.
# If the user only has one project then associate it with the reservation.
# Otherwise, present a dialog box for the user to choose which project to associate.
active_projects = user.active_projects()
if len(active_projects) == 1:
new_reservation.project = active_projects[0]
else:
try:
new_reservation.project = Project.objects.get(
id=request.POST['project_id'])
except:
return render(request, 'calendar/project_choice.html',
{'active_projects': active_projects})
# Make sure the user is actually enrolled on the project. We wouldn't want someone
# forging a request to reserve against a project they don't belong to.
if new_reservation.project not in new_reservation.user.active_projects():
return render(request, 'calendar/project_choice.html',
{'active_projects': active_projects()})
configured = (request.POST.get('configured') == "true")
# If a reservation is requested and the tool does not require configuration...
if not tool.is_configurable():
new_reservation.save()
return HttpResponse()
# If a reservation is requested and the tool requires configuration that has not been submitted...
elif tool.is_configurable() and not configured:
configuration_information = tool.get_configuration_information(
user=user, start=start)
return render(request, 'calendar/configuration.html',
configuration_information)
# If a reservation is requested and configuration information is present also...
elif tool.is_configurable() and configured:
new_reservation.additional_information, new_reservation.self_configuration = extract_configuration(
request)
# Reservation can't be short notice if the user is configuring the tool themselves.
if new_reservation.self_configuration:
new_reservation.short_notice = False
new_reservation.save()
return HttpResponse()
return HttpResponseBadRequest(
"Reservation creation failed because invalid parameters were sent to the server."
)
def make_reservation(request):
# due to unexplained CSRF failures for users try a workaround
http_origins = [
'https://rea-demo.mri.psu.edu:8080',
'https://rea-demo.mri.psu.edu:8888', 'https://leo.psu.edu'
]
if request.META.get('HTTP_ORIGIN') in http_origins:
origin = request.META.get('HTTP_ORIGIN')
referer = str(origin) + "/new_reservation/" + str(
request.POST.get('tool_id')) + "/" + str(
request.POST['date']) + "/"
if referer != request.META.get('HTTP_REFERER'):
return render(request, 'mobile/error.html',
{'message': 'Unknown referer - request rejected'})
else:
return render(request, 'mobile/error.html',
{'message': 'Unknown origin - request rejected'})
# Create a reservation for a user.
try:
date = parse_date(request.POST['date'])
start = localize(
datetime.combine(date, parse_time(request.POST['start'])))
end = localize(datetime.combine(date, parse_time(request.POST['end'])))
except:
return render(
request, 'mobile/error.html', {
'message':
'Please enter a valid date, start time, and end time for the reservation.'
})
tool = get_object_or_404(Tool, id=request.POST.get('tool_id'))
# Create the new reservation:
reservation = Reservation()
reservation.user = request.user
reservation.creator = request.user
reservation.tool = tool
reservation.start = start
reservation.end = end
reservation.short_notice = determine_insufficient_notice(tool, start)
policy_problems, overridable = check_policy_to_save_reservation(
request, None, reservation, request.user, False)
# If there was a problem in saving the reservation then return the error...
if policy_problems:
return render(request, 'mobile/error.html',
{'message': policy_problems[0]})
# All policy checks have passed.
if request.user.is_staff:
mode = request.POST['staff_charge']
if mode == "self":
# make a reservation for the user and don't add a record to the ReservationProject table
active_projects = request.user.active_projects()
if len(active_projects) == 1:
reservation.project = active_projects[0]
else:
try:
reservation.project = Project.objects.get(
id=request.POST['project_id'])
except:
msg = 'No project was selected. Please return to the <a href="/calendar/">calendar</a> to try again.'
return render(request, 'mobile/error.html',
{'message': msg})
else:
# add ReservationProject entries for the customers submitted by the staff member
reservation_projects = {}
reservation.save()
for key, value in request.POST.items():
if is_valid_field(key):
attribute, separator, index = key.partition("__")
index = int(index)
if index not in reservation_projects:
reservation_projects[index] = ReservationProject()
reservation_projects[index].reservation = reservation
reservation_projects[index].created = timezone.now()
reservation_projects[index].updated = timezone.now()
if attribute == "chosen_user":
if value is not None and value != "":
reservation_projects[
index].customer = User.objects.get(id=value)
else:
reservation.delete()
return HttpResponseBadRequest(
'Please choose a user for whom the tool will be run.'
)
if attribute == "chosen_project":
if value is not None and value != "" and value != "-1":
reservation_projects[
index].project = Project.objects.get(id=value)
else:
reservation.delete()
return HttpResponseBadRequest(
'Please choose a project for charges made during this run.'
)
for r in reservation_projects.values():
r.full_clean()
r.save()
else:
try:
reservation.project = Project.objects.get(
id=request.POST['project_id'])
except:
if not request.user.is_staff:
return render(request, 'mobile/error.html', {
'message':
'You must specify a project for your reservation'
})
reservation.additional_information, reservation.self_configuration, res_conf = extract_configuration(
request)
# Reservation can't be short notice if the user is configuring the tool themselves.
if reservation.self_configuration:
reservation.short_notice = False
policy_problems, overridable = check_policy_to_save_reservation(
request, None, reservation, request.user, False)
reservation.save()
for rc in res_conf:
rc.reservation = reservation
rc.save()
return render(request, 'mobile/reservation_success.html',
{'new_reservation': reservation})