def execute_operation(
self,
user,
workflow: Optional[models.Workflow] = None,
action: Optional[models.Action] = None,
payload: Optional[Dict] = None,
log_item: Optional[models.Log] = None,
):
"""Send single json object to target URL.
Sends a single json object to the URL in the action
:param user: User object that executed the action
:param workflow: Workflow object (if relevant)
:param action: Action from where to take the messages
:param payload: Object with the additional parameters
:param log_item: Log object to store results
:return: Empty list (there are no column values for multiple sends)
"""
if log_item is None:
action.log(user, self.log_event, action=action.id, **payload)
action_text = evaluate_row_action_out(
action, get_action_evaluation_context(action, {}))
_send_and_log_json(
user, action, json.loads(action_text), {
'content-type':
'application/x-www-form-urlencoded; ' + 'charset=UTF-8',
'Authorization': 'Bearer {0}'.format(payload['token']),
})
action.last_executed_log = log_item
action.save(update_fields=['last_executed_log'])
def preview_response(
request: HttpRequest,
pk: int,
idx: int,
workflow: Optional[Workflow] = None,
action: Optional[Action] = None,
) -> JsonResponse:
"""Preview content of action.
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 action: Might have been fetched already
:return: JsonResponse
"""
# If the request has the 'action_content', update the action
action_content = request.POST.get('action_content')
if action_content:
action.set_text_content(action_content)
action.save()
# Initial context to render the response page.
context = {
'action': action,
'index': idx,
}
if (
action.action_type == Action.SEND_LIST
or action.action_type == Action.SEND_LIST_JSON
):
# Obtain the evaluation context (no condition evaluation)
action_final_text = evaluate_row_action_out(
action,
get_action_evaluation_context(action, {}))
context['action_content'] = action_final_text
if action.action_type == Action.SEND_LIST_JSON:
incorrect_json = not _check_json_is_correct(action_final_text)
context['incorrect_json'] = incorrect_json
else:
_create_row_preview_response(
action,
idx,
context,
request.GET.get('subject_content'))
return JsonResponse({
'html_form': render_to_string(
'action/includes/partial_preview.html',
context,
request=request)})
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 create_list_preview_context(
action: models.Action,
context: Dict,
):
"""Create the elements to render a single row preview.
:param action: Action being previewed.
:param context: Dictionary to render the page
:return: context is modified to include the appropriate items
"""
# Obtain the evaluation context (no condition evaluation)
action_final_text = evaluate_row_action_out(
action, get_action_evaluation_context(action, {}))
context['action_content'] = action_final_text
if action.action_type == models.Action.JSON_REPORT:
incorrect_json = not _check_json_is_correct(action_final_text)
context['incorrect_json'] = incorrect_json
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
})