Esempio n. 1
1
    def get(self, exploration_id):
        """Populates the data on the individual exploration page."""
        # TODO(sll): Maybe this should send a complete state machine to the
        # frontend, and all interaction would happen client-side?
        exploration = Exploration.get(exploration_id)
        init_state = exploration.init_state.get()
        params = self.get_params(init_state)
        init_html, init_widgets = parse_content_into_html(
            init_state.content, 0, params)
        interactive_widget_html = InteractiveWidget.get_raw_code(
            init_state.widget.widget_id,
            params=utils.parse_dict_with_params(
                init_state.widget.params, params)
        )

        self.values.update({
            'block_number': 0,
            'interactive_widget_html': interactive_widget_html,
            'interactive_params': init_state.widget.params,
            'oppia_html': init_html,
            'params': params,
            'state_id': init_state.id,
            'title': exploration.title,
            'widgets': init_widgets,
        })
        if init_state.widget.widget_id in DEFAULT_ANSWERS:
            self.values['default_answer'] = (
                DEFAULT_ANSWERS[init_state.widget.widget_id])
        self.response.write(json.dumps(self.values))

        EventHandler.record_exploration_visited(exploration_id)
        EventHandler.record_state_hit(exploration_id, init_state.id)
Esempio n. 2
0
def reload_demos():
    """Reload the default widgets, then reload the default explorations."""
    Widget.delete_all_widgets()
    InteractiveWidget.load_default_widgets()
    NonInteractiveWidget.load_default_widgets()

    Exploration.delete_demo_explorations()
    Exploration.load_demo_explorations()
Esempio n. 3
0
    def post(self, widget_id):
        """Handles POST requests, for parameterized widgets."""
        payload = json.loads(self.request.get('payload'))
        logging.info(payload)

        params = payload.get('params', {})
        if isinstance(params, list):
            new_params = {}
            for item in params:
                new_params[item['name']] = item['default_value']
            params = new_params

        state_params_dict = {}
        state_params_given = payload.get('state_params')
        if state_params_given:
            for param in state_params_given:
                # Pick a random parameter for each key.
                state_params_dict[param['name']] = (
                    utils.get_random_choice(param['values']))

        response = InteractiveWidget.get_with_params(
            widget_id, params=utils.parse_dict_with_params(
                params, state_params_dict)
        )

        self.response.write(json.dumps({'widget': response}))
Esempio n. 4
0
def get_state_for_frontend(state, exploration):
    """Returns a representation of the given state for the frontend."""

    state_repr = state.as_dict()
    modified_state_dict = state.internals_as_dict(human_readable_dests=True)

    # TODO(sll): The following is for backwards-compatibility and should be
    # deleted later.
    rules = {}
    for handler in state_repr['widget']['handlers']:
        rules[handler['name']] = handler['rules']
        for item in rules[handler['name']]:
            item['attrs'] = {'classifier': item['name']}
            if item['name'] == 'Default':
                item['rule'] = 'Default'
            else:
                item['rule'] = InteractiveWidget.get(
                    state.widget.widget_id).get_readable_name(
                        handler['name'], item['name']
                    )
    state_repr['widget']['rules'] = rules
    state_repr['widget']['id'] = state_repr['widget']['widget_id']
    state_repr['widget']['sticky'] = state_repr['widget']['sticky']

    state_repr['yaml'] = utils.yaml_from_dict(modified_state_dict)
    return state_repr
Esempio n. 5
0
    def post(self, exploration_id, state_id):
        """Handles feedback interactions with readers."""
        values = {'error': []}

        exploration = Exploration.get(exploration_id)
        state = State.get(state_id, exploration)
        old_state = state

        payload = json.loads(self.request.get('payload'))

        # The 0-based index of the last content block already on the page.
        block_number = payload.get('block_number')
        params = self.get_params(state, payload.get('params'))
        # The reader's answer.
        answer = payload.get('answer')

        # Add the reader's answer to the parameter list. This must happen before
        # the interactive widget is constructed.
        params['answer'] = answer

        interactive_widget_properties = (
            InteractiveWidget.get_with_params(
                state.widget.widget_id)['actions']['submit'])

        dest_id, feedback, rule, recorded_answer = state.transition(
            answer, params, interactive_widget_properties)

        if recorded_answer:
            EventHandler.record_rule_hit(
                exploration_id, state_id, rule, recorded_answer)
            # Add this answer to the state's 'unresolved answers' list.
            if recorded_answer not in old_state.unresolved_answers:
                old_state.unresolved_answers[recorded_answer] = 0
            old_state.unresolved_answers[recorded_answer] += 1
            # TODO(sll): Make this async?
            old_state.put()

        assert dest_id

        html_output, widget_output = '', []
        # TODO(sll): The following is a special-case for multiple choice input,
        # in which the choice text must be displayed instead of the choice
        # number. We might need to find a way to do this more generically.
        if state.widget.widget_id == 'MultipleChoiceInput':
            answer = state.widget.params['choices'][int(answer)]

        # Append reader's answer.
        values['reader_html'] = feconf.JINJA_ENV.get_template(
            'reader_response.html').render({'response': answer})

        if dest_id == feconf.END_DEST:
            # This leads to a FINISHED state.
            if feedback:
                html_output, widget_output = self.append_feedback(
                    feedback, html_output, widget_output, block_number, params)
            EventHandler.record_exploration_completed(exploration_id)
        else:
            state = State.get(dest_id, exploration)
            EventHandler.record_state_hit(exploration_id, state_id)

            if feedback:
                html_output, widget_output = self.append_feedback(
                    feedback, html_output, widget_output, block_number, params)

            # Append text for the new state only if the new and old states
            # differ.
            if old_state.id != state.id:
                state_html, state_widgets = parse_content_into_html(
                    state.content, block_number, params)
                # Separate text for the new state and feedback for the old state
                # by an additional line.
                if state_html and feedback:
                    html_output += '<br>'
                html_output += state_html
                widget_output.append(state_widgets)

        if state.widget.widget_id in DEFAULT_ANSWERS:
            values['default_answer'] = DEFAULT_ANSWERS[state.widget.widget_id]
        values['exploration_id'] = exploration.id
        values['state_id'] = state.id
        values['oppia_html'] = html_output
        values['widgets'] = widget_output
        values['block_number'] = block_number + 1
        values['params'] = params

        if dest_id != feconf.END_DEST:
            values['finished'] = False
            if state.widget.sticky and (
                    state.widget.widget_id == old_state.widget.widget_id):
                values['interactive_widget_html'] = ''
                values['sticky_interactive_widget'] = True
            else:
                values['interactive_widget_html'] = (
                    InteractiveWidget.get_raw_code(
                        state.widget.widget_id,
                        params=utils.parse_dict_with_params(
                            state.widget.params, params)
                    )
                )
        else:
            values['finished'] = True
            values['interactive_widget_html'] = ''

        self.response.write(json.dumps(values))
Esempio n. 6
0
 def get(self, widget_id):
     """Handles GET requests."""
     response = InteractiveWidget.get_with_params(widget_id)
     self.response.write(json.dumps({'widget': response}))
Esempio n. 7
0
 def setUp(self):
     """Loads the default widgets."""
     super(ExplorationDataUnitTests, self).setUp()
     InteractiveWidget.load_default_widgets()