Exemplo n.º 1
0
    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)
Exemplo n.º 2
0
    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?
        try:
            exploration = Exploration.get(exploration_id)
        except Exception as e:
            raise self.PageNotFoundException(e)

        init_state = exploration.init_state
        # TODO: get params from exploration specification instead
        params = self._get_exploration_params(exploration)
        params = get_params(init_state, params)
        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': exploration.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.render_json(self.values)

        EventHandler.record_exploration_visited(exploration_id)
        EventHandler.record_state_hit(exploration_id, exploration.init_state_id)
Exemplo n.º 3
0
    def post(self, exploration_id, state_id):
        """Handles feedback interactions with readers."""
        values = {'error': []}

        exploration = Exploration.get(exploration_id)
        state = exploration.get_state_by_id(state_id)
        old_state = state

        # The 0-based index of the last content block already on the page.
        block_number = self.payload.get('block_number') + 1
        # The reader's answer.
        answer = self.payload.get('answer')
        # The answer handler (submit, click, etc.)
        handler = self.payload.get('handler')

        params = self.payload.get('params', {})
        # Add the reader's answer to the parameter list.
        params['answer'] = answer

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

        if recorded_answer is not None:
            recorded_answer = json.dumps(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()

        html_output, widget_output = '', []
        old_params = params

        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,
                    old_params)
            EventHandler.record_exploration_completed(exploration_id)
        else:
            state = exploration.get_state_by_id(dest_id)
            EventHandler.record_state_hit(exploration_id, dest_id)

            if feedback:
                html_output, widget_output = self._append_feedback(
                    feedback, html_output, widget_output, block_number,
                    old_params)

            # Populate new parameters.
            params = get_params(state, existing_params=old_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 += state_widgets

        # Render the response in the customized html if
        # - the response is not rendered in the sticky interactive widget, and
        # - there is a static rendering html provided for that widget.
        sticky = (
            dest_id != feconf.END_DEST and
            state.widget.sticky and
            state.widget.widget_id == old_state.widget.widget_id
        )
        custom_response = ''
        if not sticky:
            response_params = utils.parse_dict_with_params(
                old_state.widget.params, old_params)
            response_params['answer'] = old_params['answer']
            response_params['iframe_content'] = False
            custom_response = InteractiveWidget.get_raw_static_code(
                old_state.widget.widget_id, response_params)

            if custom_response:
                response_params['iframe_content'] = True
                values['response_iframe'] = (
                    InteractiveWidget.get_raw_static_code(
                        old_state.widget.widget_id, response_params)
                )

        # Append reader's answer.
        response = custom_response if custom_response else answer
        if sticky:
            response = ''
        values['reader_html'] = feconf.JINJA_ENV.get_template(
            'reader/reader_response.html').render({
                'response': response,
                'custom_response': bool(custom_response),
            })

        if state.widget.widget_id in DEFAULT_ANSWERS:
            values['default_answer'] = DEFAULT_ANSWERS[state.widget.widget_id]
        values.update({
            'exploration_id': exploration_id, 'state_id': state.id,
            'oppia_html': html_output, 'widgets': widget_output,
            'block_number': block_number, 'params': params,
            'finished': (dest_id == feconf.END_DEST),
        })

        if dest_id != feconf.END_DEST:
            if sticky:
                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['interactive_widget_html'] = ''

        self.render_json(values)
Exemplo n.º 4
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, parent=exploration.key)
        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') + 1
        # The reader's answer.
        answer = payload.get('answer')
        # The answer handler (submit, click, etc.)
        handler = payload.get('handler')

        params = payload.get('params', {})
        # Add the reader's answer to the parameter list.
        params['answer'] = answer

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

        if recorded_answer is not None:
            recorded_answer = json.dumps(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 == 'interactive-MultipleChoiceInput':
            answer = state.widget.params['choices'][int(answer)]

        # Append reader's answer.
        values['reader_html'] = feconf.JINJA_ENV.get_template(
            'reader/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, parent=exploration.key)
            EventHandler.record_state_hit(exploration_id, dest_id)

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

            # Populate new parameters.
            params = get_params(state, existing_params=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 += state_widgets

        if state.widget.widget_id in DEFAULT_ANSWERS:
            values['default_answer'] = DEFAULT_ANSWERS[state.widget.widget_id]
        values.update({
            'exploration_id': exploration.id, 'state_id': state.id,
            'oppia_html': html_output, 'widgets': widget_output,
            'block_number': block_number, 'params': params,
            'finished': (dest_id == feconf.END_DEST),
        })

        if dest_id != feconf.END_DEST:
            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['interactive_widget_html'] = ''

        self.render_json(values)