def serve_action_out(
user,
action: Action,
user_attribute_name: str,
):
"""Serve request for an action out.
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:
"""
# For the response
payload = {'action': action.name, 'action_id': action.id}
# User_instance has the record used for verification
row_values = get_row_values(action, (user_attribute_name, user.email))
# Get the dictionary containing column names, attributes and condition
# valuations:
context = get_action_evaluation_context(action, row_values)
if context is None:
payload['error'] = (
_('Error when evaluating conditions for user {0}').format(
user.email, ))
# Log the event
Log.objects.register(user,
Log.ACTION_SERVED_EXECUTE,
workflow=action.workflow,
payload=payload)
return HttpResponse(
render_to_string('action/action_unavailable.html', {}))
# Evaluate the action content.
action_content = evaluate_row_action_out(action, context)
# 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 {0}').format(
user.email, )
# Log the event
Log.objects.register(user,
Log.ACTION_SERVED_EXECUTE,
workflow=action.workflow,
payload=payload)
# Respond the whole thing
return HttpResponse(response)
def get_survey_context(
request: http.HttpRequest,
is_manager: bool,
action: models.Action,
user_attribute_name: str,
) -> Dict:
"""Get the context to render a survey page.
:param request: Request received
:param is_manager: User is manager
:param action: Action object being executed
:param user_attribute_name: Name of the column to use for username
:return: Dictionary with the context
"""
# Get the attribute value depending if the user is managing the workflow
# User is instructor, and either owns the workflow or is allowed to access
# it as shared
user_attribute_value = None
if is_manager:
user_attribute_value = request.GET.get('uatv')
if not user_attribute_value:
user_attribute_value = request.user.email
# Get the dictionary containing column names, attributes and condition
# valuations:
context = get_action_evaluation_context(
action,
get_row_values(
action,
(user_attribute_name, user_attribute_value),
),
)
if not context:
# If the data has not been found, flag
if not is_manager:
raise OnTaskActionSurveyDataNotFound()
raise OnTaskActionSurveyNoTableData(
message=_('Data not found in the table'))
return context
def _create_row_preview_response(
action: Action,
idx: int,
page_context: Dict,
prelude: str = None,
):
"""Create the elements to render a sigle row preview.
:param action: Action being previewed.
:param idx:
:param page_context:
:return: page_context is modified to include the appropriate items
"""
# Get the total number of items
filter_obj = action.get_filter()
if filter_obj:
n_items = filter_obj.n_rows_selected
else:
n_items = action.workflow.nrows
# Set the correct values to the indeces
prv, idx, nxt = _get_navigation_index(idx, n_items)
row_values = get_row_values(action, idx)
# Obtain the dictionary with the condition evaluation
condition_evaluation = action_condition_evaluation(action, row_values)
# Get the dictionary containing column names, attributes and condition
# valuations:
eval_context = get_action_evaluation_context(action, row_values,
condition_evaluation)
all_false = False
if action.conditions.filter(is_filter=False).count():
# If there are conditions, check if they are all false
all_false = all(not bool_val
for __, bool_val in condition_evaluation.items())
# Evaluate the action content.
show_values = ''
incorrect_json = False
if action.is_out:
action_content = evaluate_row_action_out(action, eval_context)
if action.action_type == Action.personalized_json:
incorrect_json = not _check_json_is_correct(action_content)
else:
action_content = evaluate_row_action_in(action, eval_context)
if action_content is None:
action_content = _(
'Error while retrieving content for student {0}', ).format(idx)
else:
# Get the conditions used in the action content
act_cond = action.get_used_conditions()
# Get the variables/columns from the conditions
act_vars = set().union(
*[
cond.columns.all()
for cond in action.conditions.filter(name__in=act_cond)
], )
# Sort the variables/columns by position and get the name
show_values = ', '.join([
'{0} = {1}'.format(col.name, row_values[col.name])
for col in act_vars
], )
uses_plain_text = (action.action_type == Action.personalized_canvas_email
or action.action_type == Action.personalized_json)
if uses_plain_text:
action_content = escape(action_content)
if prelude:
prelude = evaluate_row_action_out(action, eval_context, prelude)
# Update the context
page_context.update({
'n_items': n_items,
'nxt': nxt,
'prv': prv,
'incorrect_json': incorrect_json,
'show_values': show_values,
'all_false': all_false,
'prelude': prelude,
'action_content': action_content,
'show_navigation': True
})
return
def serve_survey_row(
request: HttpRequest,
action: Action,
user_attribute_name: str,
) -> HttpResponse:
"""Serve a request for action in.
Function that given a request, and an action IN, it performs the lookup
and data input of values.
:param request: HTTP request
:param action: Action In
:param user_attribute_name: The column name used to check for email
:return:
"""
# Get the attribute value depending if the user is managing the workflow
# User is instructor, and either owns the workflow or is allowed to access
# it as shared
manager = has_access(request.user, action.workflow)
user_attribute_value = None
if manager:
user_attribute_value = request.GET.get('uatv')
if not user_attribute_value:
user_attribute_value = request.user.email
# Get the dictionary containing column names, attributes and condition
# valuations:
context = get_action_evaluation_context(
action,
get_row_values(
action,
(user_attribute_name, user_attribute_value),
),
)
if not context:
# If the data has not been found, flag
if not manager:
return ontask_handler404(request, None)
messages.error(request, _('Data not found in the table'))
return redirect(reverse('action:run', kwargs={'pk': action.id}))
# Get the active columns attached to the action
colcon_items = extract_survey_questions(action, request.user)
# Bind the form with the existing data
form = EnterActionIn(
request.POST or None,
tuples=colcon_items,
context=context,
values=[context[colcon.column.name] for colcon in colcon_items],
show_key=manager)
keep_processing = (request.method == 'POST' and form.is_valid()
and not request.POST.get('lti_version'))
if keep_processing:
# Update the content in the DB
row_keys, row_values = survey_update_row_values(
action, colcon_items, manager, form.cleaned_data, 'email',
request.user.email, context)
# Log the event and update its content in the action
log_item = action.log(request.user,
Log.ACTION_SURVEY_INPUT,
new_values=json.dumps(
dict(zip(row_keys, row_values))))
# Modify the time of execution for the action
action.last_executed_log = log_item
action.save()
# If not instructor, just thank the user!
if not manager:
return render(request, 'thanks.html', {})
# Back to running the action
return redirect(reverse('action:run', kwargs={'pk': action.id}))
return render(
request,
'action/run_survey_row.html',
{
'form':
form,
'action':
action,
'cancel_url':
reverse(
'action:run',
kwargs={'pk': action.id},
) if manager else None,
},
)
def create_row_preview_context(
action: models.Action,
idx: int,
context: Dict,
prelude: Optional[str] = None,
):
"""Create the elements to render a single row preview.
:param action: Action being previewed.
:param idx:
:param context:
:param prelude: Optional additional text to include in the preview.
:return: context is modified to include the appropriate items
"""
# Get the total number of items
filter_obj = action.get_filter()
if filter_obj:
n_items = filter_obj.n_rows_selected
else:
n_items = action.workflow.nrows
# Set the correct values to the indeces
prv, idx, nxt = _get_navigation_index(idx, n_items)
row_values = get_row_values(action, idx)
# Obtain the dictionary with the condition evaluation
condition_evaluation = action_condition_evaluation(action, row_values)
# Get the dictionary containing column names, attributes and condition
# valuations:
eval_context = get_action_evaluation_context(action, row_values,
condition_evaluation)
all_false = False
if action.conditions.filter(is_filter=False).count():
# If there are conditions, check if they are all false
all_false = all(not bool_val
for __, bool_val in condition_evaluation.items())
# Evaluate the action content.
show_values = ''
incorrect_json = False
if action.is_out:
action_content = evaluate_row_action_out(action, eval_context)
if action.action_type == models.Action.PERSONALIZED_JSON:
incorrect_json = not _check_json_is_correct(action_content)
else:
action_content = _evaluate_row_action_in(action, eval_context)
if action_content is None:
action_content = _(
'Error while retrieving content (index: {0})', ).format(idx)
else:
# Get the conditions used in the action content
act_cond = action.get_used_conditions()
# Get the variables/columns from the conditions
act_vars = set().union(*[
cond.columns.all()
for cond in action.conditions.filter(name__in=act_cond)
])
act_vars = act_vars.union(
{triplet.column
for triplet in action.column_condition_pair.all()})
# Sort the variables/columns by position and get the name
show_values = ', '.join([
'"{0}" = {1}'.format(col.name, row_values[col.name])
for col in act_vars
])
uses_plain_text = (
action.action_type == models.Action.PERSONALIZED_CANVAS_EMAIL
or action.action_type == models.Action.PERSONALIZED_JSON)
if uses_plain_text:
action_content = escape(action_content)
if prelude:
prelude = evaluate_row_action_out(action, eval_context, prelude)
# Update the context
context.update({
'n_items':
n_items,
'nxt':
nxt,
'prv':
prv,
'incorrect_json':
incorrect_json,
'show_values':
show_values,
'show_conditions':
', '.join([
'"{0}" = {1}'.format(cond_name, str(cond_value))
for cond_name, cond_value in condition_evaluation.items()
]),
'all_false':
all_false,
'prelude':
prelude,
'action_content':
action_content,
'show_navigation':
True
})
