def serve_action_out(user, action, user_attribute_name):
"""
Function that given a user and an Action Out
searches for the appropriate data in the table with the given
attribute name equal to the user email and returns the HTTP response.
:param user: User object making the request
:param action: Action to execute (action out)
:param user_attribute_name: Column to check for email
:return:
"""
# User_instance has the record used for verification
action_content = evaluate_row(action, (user_attribute_name, user.email))
payload = {'action': action.name, 'action_id': action.id}
# If the action content is empty, forget about it
response = action_content
if action_content is None:
response = render_to_string('action/action_unavailable.html', {})
payload['error'] = 'Action not enabled for user ' + user.email
# Log the event
logs.ops.put(user,
'action_served_execute',
workflow=action.workflow,
payload=payload)
# Respond the whole thing
return HttpResponse(response)
def preview_response(request, pk, idx, template, prelude=None):
"""
HTML request and the primary key of an action to preview one of its
instances. The request must provide and additional parameter idx to
denote which instance to show.
:param request: HTML request object
:param pk: Primary key of the an action for which to do the preview
:param idx: Index of the reponse to preview
:param template: Path to the template to use for the render.
:param prelude: Optional text to include at the top of the rencering
:return:
"""
# To include in the JSON response
data = dict()
# Action being used
try:
action = Action.objects.get(id=pk)
except ObjectDoesNotExist:
data['form_is_valid'] = True
data['html_redirect'] = reverse('workflow:index')
return JsonResponse(data)
# Get the workflow to obtain row numbers
workflow = get_workflow(request, action.workflow.id)
if not workflow:
data['form_is_valid'] = True
data['html_redirect'] = reverse('workflow:index')
return JsonResponse(data)
# If the request has the 'action_content' field, update the action
action_content = request.GET.get('action_content', None)
if action_content:
action.content = action_content
action.save()
# Turn the parameter into an integer
idx = int(idx)
# Get the total number of items
n_items = action.n_selected_rows
if n_items == -1:
n_items = workflow.nrows
# Set the idx to a legal value just in case
if not 1 <= idx <= n_items:
idx = 1
prv = idx - 1
if prv <= 0:
prv = n_items
nxt = idx + 1
if nxt > n_items:
nxt = 1
action_content = evaluate_row(action, idx)
if action_content is None:
action_content = \
"Error while retrieving content for row {0}".format(idx)
data['html_form'] = \
render_to_string(template,
{'action': action,
'action_content': action_content,
'index': idx,
'nxt': nxt,
'prv': prv,
'prelude': prelude},
request=request)
return JsonResponse(data)