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)
def post(self, user):
"""Handles POST requests."""
payload = json.loads(self.request.get('payload'))
title = payload.get('title')
category = payload.get('category')
if not title:
raise self.InvalidInputException('No title supplied.')
if not category:
raise self.InvalidInputException('No category chosen.')
yaml = self.request.get('yaml')
if yaml and feconf.ALLOW_YAML_FILE_UPLOAD:
exploration = Exploration.create_from_yaml(
yaml_file=yaml, user=user, title=title, category=category)
else:
exploration = Exploration.create(
user, title=title, category=category)
self.response.write(json.dumps({
'explorationId': exploration.id,
}))
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()
def test_editor(self, exploration_id, state_id=None, **kwargs):
"""Gets the user and exploration id if the user can edit it.
Args:
self: the handler instance
exploration_id: the exploration id
state_id: the state id, if it exists
**kwargs: any other arguments passed to the handler
Returns:
The user and exploration instance, if the user is authorized to edit
this exploration. Also, the state instance, if one is supplied.
Raises:
self.NotLoggedInException: if there is no current user.
self.UnauthorizedUserException: if the user exists but does not have
the right credentials.
"""
user = users.get_current_user()
if not user:
self.redirect(users.create_login_url(self.request.uri))
return
exploration = Exploration.get(exploration_id)
if not exploration.is_editable_by(user):
raise self.UnauthorizedUserException(
'%s does not have the credentials to edit this exploration.',
user)
if not state_id:
return handler(self, user, exploration, **kwargs)
state = State.get(state_id, exploration)
return handler(self, user, exploration, state, **kwargs)
def get(self):
"""Handles GET requests."""
if not Exploration.get('0', strict=False):
admin.reload_demos()
self.values.update({
'gallery_login_url': users.create_login_url('/gallery'),
})
self.render_template('index.html')
def get(self):
"""Handles GET requests."""
explorations = Exploration.query().filter(
Exploration.is_public == True).fetch(100)
# Don't use the first exploration; users will have seen that already
# on the main page.
selected_exploration = utils.get_random_choice(explorations[1:])
self.redirect('/learn/%s' % selected_exploration.id)
def post(self, user):
"""Handles POST requests."""
payload = json.loads(self.request.get('payload'))
exploration_id = payload.get('exploration_id')
forked_exploration = Exploration.get(exploration_id)
if not forked_exploration.is_demo_exploration():
raise self.InvalidInputException('Exploration cannot be forked.')
# Get the demo exploration as a YAML file, so that new states can be
# created.
yaml = forked_exploration.as_yaml()
title = 'Copy of %s' % forked_exploration.title
category = forked_exploration.category
exploration = Exploration.create_from_yaml(
yaml_file=yaml, user=user, title=title, category=category)
self.response.write(json.dumps({
'explorationId': exploration.id,
}))
def get(self):
"""Handles GET requests."""
user = users.get_current_user()
used_keys = []
categories = {}
explorations = Exploration.get_viewable_explorations(user)
for exploration in explorations:
category_name = exploration.category
can_edit = user and exploration.is_editable_by(user)
used_keys.append(exploration.key)
data = exploration.to_dict(
exclude=['states', 'init_state'])
data.update({'id': exploration.id})
data['editors'] = [editor.nickname() for
editor in exploration.editors]
if not categories.get(category_name):
categories[category_name] = []
categories[category_name].append({
'data': data,
'can_edit': can_edit,
'can_fork': user and exploration.is_demo_exploration(),
'is_owner': (user and exploration.editors and
user == exploration.editors[0]),
})
self.values.update({
'categories': categories,
})
self.response.write(json.dumps(self.values))
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))
def get(self, exploration_id):
"""Handles GET requests."""
self.values.update({
'js': utils.get_js_controllers(['readerExploration']),
'nav_mode': READER_MODE,
})
Exploration.get(exploration_id)
# The following allows embedding of Oppia explorations in other pages.
if self.request.get('iframed') == 'true':
self.values['iframed'] = True
self.render_template('reader/reader_exploration.html')
