def get(self, comma_separated_skill_ids):
"""Handles GET requests."""
start_cursor = self.request.get('cursor')
skill_ids = comma_separated_skill_ids.split(',')
for skill_id in skill_ids:
try:
skill_domain.Skill.require_valid_skill_id(skill_id)
except Exception:
raise self.PageNotFoundException(Exception('Invalid skill id'))
try:
skill_services.get_multi_skills(skill_ids)
except Exception as e:
raise self.PageNotFoundException(e)
question_summaries, skill_descriptions_list, next_start_cursor = (
question_services.get_question_summaries_and_skill_descriptions(
constants.NUM_QUESTIONS_PER_PAGE, skill_ids, start_cursor)
)
return_dicts = []
for index, summary in enumerate(question_summaries):
return_dicts.append({
'summary': summary.to_dict(),
'skill_descriptions': skill_descriptions_list[index]
})
self.values.update({
'question_summary_dicts': return_dicts,
'next_start_cursor': next_start_cursor
})
self.render_json(self.values)
def test_get_multi_skills(self):
example_1 = skill_domain.WorkedExample(
state_domain.SubtitledHtml('2', '<p>Example Question 1</p>'),
state_domain.SubtitledHtml('3', '<p>Example Explanation 1</p>'))
self.save_new_skill(
'skill_a',
self.user_id_admin,
description='Description A',
misconceptions=[],
skill_contents=skill_domain.SkillContents(
state_domain.SubtitledHtml('1', '<p>Explanation</p>'),
[example_1],
state_domain.RecordedVoiceovers.from_dict(
{'voiceovers_mapping': {
'1': {},
'2': {},
'3': {}
}}),
state_domain.WrittenTranslations.from_dict(
{'translations_mapping': {
'1': {},
'2': {},
'3': {}
}})))
self.save_new_skill(
'skill_b',
self.user_id_admin,
description='Description B',
misconceptions=[],
skill_contents=skill_domain.SkillContents(
state_domain.SubtitledHtml('1', '<p>Explanation</p>'),
[example_1],
state_domain.RecordedVoiceovers.from_dict(
{'voiceovers_mapping': {
'1': {},
'2': {},
'3': {}
}}),
state_domain.WrittenTranslations.from_dict(
{'translations_mapping': {
'1': {},
'2': {},
'3': {}
}})))
skills = skill_services.get_multi_skills(['skill_a', 'skill_b'])
self.assertEqual(len(skills), 2)
self.assertEqual(skills[0].id, 'skill_a')
self.assertEqual(skills[0].description, 'Description A')
self.assertEqual(skills[0].misconceptions, [])
self.assertEqual(skills[1].id, 'skill_b')
self.assertEqual(skills[1].description, 'Description B')
self.assertEqual(skills[1].misconceptions, [])
with self.assertRaisesRegexp(Exception,
'No skill exists for ID skill_c'):
skill_services.get_multi_skills(['skill_a', 'skill_c'])
def get(self):
"""Handles GET requests."""
comma_separated_skill_ids = (
self.request.get('comma_separated_skill_ids'))
if not comma_separated_skill_ids:
raise self.InvalidInputException(
'Expected request to contain parameter '
'comma_separated_skill_ids.')
skill_ids = comma_separated_skill_ids.split(',')
try:
for skill_id in skill_ids:
skill_domain.Skill.require_valid_skill_id(skill_id)
except Exception:
raise self.InvalidInputException('Invalid skill ID %s' % skill_id)
try:
skill_services.get_multi_skills(skill_ids)
except Exception as e:
raise self.PageNotFoundException(e)
degrees_of_mastery = skill_services.get_multi_user_skill_mastery(
self.user_id, skill_ids)
self.values.update({'degrees_of_mastery': degrees_of_mastery})
self.render_json(self.values)
def put(self):
"""Handles PUT requests."""
mastery_change_per_skill = (
self.payload.get('mastery_change_per_skill'))
if (not mastery_change_per_skill
or not isinstance(mastery_change_per_skill, dict)):
raise self.InvalidInputException(
'Expected payload to contain mastery_change_per_skill '
'as a dict.')
skill_ids = list(mastery_change_per_skill.keys())
current_degrees_of_mastery = (
skill_services.get_multi_user_skill_mastery(
self.user_id, skill_ids))
new_degrees_of_mastery = {}
for skill_id in skill_ids:
try:
skill_domain.Skill.require_valid_skill_id(skill_id)
except utils.ValidationError:
raise self.InvalidInputException('Invalid skill ID %s' %
skill_id)
# float(bool) will not raise an error.
if isinstance(mastery_change_per_skill[skill_id], bool):
raise self.InvalidInputException(
'Expected degree of mastery of skill %s to be a number, '
'received %s.' %
(skill_id, mastery_change_per_skill[skill_id]))
try:
mastery_change_per_skill[skill_id] = (float(
mastery_change_per_skill[skill_id]))
except (TypeError, ValueError):
raise self.InvalidInputException(
'Expected degree of mastery of skill %s to be a number, '
'received %s.' %
(skill_id, mastery_change_per_skill[skill_id]))
if current_degrees_of_mastery[skill_id] is None:
current_degrees_of_mastery[skill_id] = 0.0
new_degrees_of_mastery[skill_id] = (
current_degrees_of_mastery[skill_id] +
mastery_change_per_skill[skill_id])
if new_degrees_of_mastery[skill_id] < 0.0:
new_degrees_of_mastery[skill_id] = 0.0
elif new_degrees_of_mastery[skill_id] > 1.0:
new_degrees_of_mastery[skill_id] = 1.0
try:
skill_services.get_multi_skills(skill_ids)
except Exception as e:
raise self.PageNotFoundException(e)
skill_services.create_multi_user_skill_mastery(self.user_id,
new_degrees_of_mastery)
self.render_json({})
def get(self, comma_separated_skill_ids):
"""Handles GET requests."""
start_cursor = self.request.get('cursor')
skill_ids = comma_separated_skill_ids.split(',')
for skill_id in skill_ids:
try:
skill_domain.Skill.require_valid_skill_id(skill_id)
except Exception:
raise self.PageNotFoundException(Exception('Invalid skill id'))
try:
skill_services.get_multi_skills(skill_ids)
except Exception as e:
raise self.PageNotFoundException(e)
(
question_summaries, merged_question_skill_links,
next_start_cursor) = (
question_services.get_displayable_question_skill_link_details(
constants.NUM_QUESTIONS_PER_PAGE, skill_ids, start_cursor)
)
return_dicts = []
for index, summary in enumerate(question_summaries):
if summary is not None:
if len(skill_ids) == 1:
return_dicts.append({
'summary': summary.to_dict(),
'skill_id': merged_question_skill_links[
index].skill_ids[0],
'skill_description': (
merged_question_skill_links[
index].skill_descriptions[0]),
'skill_difficulty': (
merged_question_skill_links[
index].skill_difficulties[0])
})
else:
return_dicts.append({
'summary': summary.to_dict(),
'skill_ids': merged_question_skill_links[
index].skill_ids,
'skill_descriptions': (
merged_question_skill_links[
index].skill_descriptions),
'skill_difficulties': (
merged_question_skill_links[
index].skill_difficulties)
})
self.values.update({
'question_summary_dicts': return_dicts,
'next_start_cursor': next_start_cursor
})
self.render_json(self.values)
def post(self, comma_separated_skill_ids):
"""Handles POST requests."""
skill_ids = comma_separated_skill_ids.split(',')
try:
for skill_id in skill_ids:
skill_domain.Skill.require_valid_skill_id(skill_id)
except Exception:
raise self.InvalidInputException
try:
skill_services.get_multi_skills(skill_ids)
except Exception, e:
raise self.PageNotFoundException(e)
def put(self):
"""Handles PUT requests."""
degree_of_mastery_per_skill = (
self.payload.get('degree_of_mastery_per_skill'))
if (not degree_of_mastery_per_skill
or not isinstance(degree_of_mastery_per_skill, dict)):
raise self.InvalidInputException(
'Expected payload to contain degree_of_mastery_per_skill '
'as a dict.')
skill_ids = degree_of_mastery_per_skill.keys()
for skill_id in skill_ids:
try:
skill_domain.Skill.require_valid_skill_id(skill_id)
except utils.ValidationError:
raise self.InvalidInputException('Invalid skill ID %s' %
skill_id)
# float(bool) will not raise an error.
if isinstance(degree_of_mastery_per_skill[skill_id], bool):
raise self.InvalidInputException(
'Expected degree of mastery of skill %s to be a number, '
'received %s.' %
(skill_id, degree_of_mastery_per_skill[skill_id]))
try:
degree_of_mastery_per_skill[skill_id] = (float(
degree_of_mastery_per_skill[skill_id]))
except (TypeError, ValueError):
raise self.InvalidInputException(
'Expected degree of mastery of skill %s to be a number, '
'received %s.' %
(skill_id, degree_of_mastery_per_skill[skill_id]))
if (degree_of_mastery_per_skill[skill_id] < 0.0
or degree_of_mastery_per_skill[skill_id] > 1.0):
raise self.InvalidInputException(
'Expected degree of mastery of skill %s to be a float '
'between 0.0 and 1.0, received %s.' %
(skill_id, degree_of_mastery_per_skill[skill_id]))
try:
skill_services.get_multi_skills(skill_ids)
except Exception as e:
raise self.PageNotFoundException(e)
skill_services.create_multi_user_skill_mastery(
self.user_id, degree_of_mastery_per_skill)
self.render_json({})
def test_get_multi_skills(self):
self.save_new_skill('skill_a',
self.user_id_admin,
'Description A',
misconceptions=[],
skill_contents=skill_domain.SkillContents(
state_domain.SubtitledHtml('1', 'Explanation'),
[state_domain.SubtitledHtml('2', 'Example 1')],
{
'1': {},
'2': {}
},
state_domain.WrittenTranslations.from_dict({
'translations_mapping': {
'1': {},
'2': {}
}
})))
self.save_new_skill('skill_b',
self.user_id_admin,
'Description B',
misconceptions=[],
skill_contents=skill_domain.SkillContents(
state_domain.SubtitledHtml('1', 'Explanation'),
[state_domain.SubtitledHtml('2', 'Example 1')],
{
'1': {},
'2': {}
},
state_domain.WrittenTranslations.from_dict({
'translations_mapping': {
'1': {},
'2': {}
}
})))
skills = skill_services.get_multi_skills(['skill_a', 'skill_b'])
self.assertEqual(len(skills), 2)
self.assertEqual(skills[0].id, 'skill_a')
self.assertEqual(skills[0].description, 'Description A')
self.assertEqual(skills[0].misconceptions, [])
self.assertEqual(skills[1].id, 'skill_b')
self.assertEqual(skills[1].description, 'Description B')
self.assertEqual(skills[1].misconceptions, [])
with self.assertRaisesRegexp(Exception,
'No skill exists for ID skill_c'):
skill_services.get_multi_skills(['skill_a', 'skill_c'])
def get(self, comma_separated_skill_ids):
"""Handles GET requests."""
start_cursor = self.request.get('cursor')
skill_ids = comma_separated_skill_ids.split(',')
for skill_id in skill_ids:
try:
skill_domain.Skill.require_valid_skill_id(skill_id)
except Exception:
raise self.PageNotFoundException(Exception('Invalid skill id'))
try:
skill_services.get_multi_skills(skill_ids)
except Exception, e:
raise self.PageNotFoundException(e)
def get(self, question_id):
"""Gets the data for the question overview page."""
if not constants.ENABLE_NEW_STRUCTURES:
raise self.PageNotFoundException
question = question_services.get_question_by_id(question_id,
strict=False)
if question is None:
raise self.PageNotFoundException(
'The question with the given id doesn\'t exist.')
associated_skill_ids = [
link.skill_id
for link in (question_services.
get_question_skill_links_of_question(question_id))
]
associated_skills = skill_services.get_multi_skills(
associated_skill_ids)
associated_skill_dicts = [
skill.to_dict() for skill in associated_skills
]
self.values.update({
'question_dict': question.to_dict(),
'associated_skill_dicts': associated_skill_dicts
})
self.render_json(self.values)
def _get_target_id_to_skill_opportunity_dict(suggestions):
"""Returns a dict of target_id to skill opportunity summary dict.
Args:
suggestions: list(BaseSuggestion). A list of suggestions to retrieve
opportunity dicts.
Returns:
dict. Dict mapping target_id to corresponding skill opportunity dict.
"""
target_ids = set([s.target_id for s in suggestions])
opportunities = (opportunity_services.get_skill_opportunities_by_ids(
list(target_ids)))
opportunity_skill_ids = [opp.id for opp in opportunities]
opportunity_id_to_skill = {
skill.id: skill
for skill in skill_services.get_multi_skills(opportunity_skill_ids)
}
opportunity_id_to_opportunity = {}
for opp in opportunities:
opp_dict = opp.to_dict()
skill = opportunity_id_to_skill.get(opp.id)
if skill is not None:
opp_dict['skill_rubrics'] = [
rubric.to_dict() for rubric in skill.rubrics
]
opportunity_id_to_opportunity[opp.id] = opp_dict
return opportunity_id_to_opportunity
def get(self, topic_name):
if not constants.ENABLE_NEW_STRUCTURE_PLAYERS:
raise self.PageNotFoundException
# Topic cannot be None as an exception will be thrown from its decorator
# if so.
topic = topic_fetchers.get_topic_by_name(topic_name)
comma_separated_subtopic_ids = self.request.get(
'selected_subtopic_ids')
selected_subtopic_ids = comma_separated_subtopic_ids.split(',')
selected_skill_ids = []
for subtopic in topic.subtopics:
# An error is not thrown here, since it's fine to just ignore the
# passed in subtopic IDs, if they don't exist, which would be the
# case if the creator deletes subtopics after the learner has
# loaded the topic viewer page.
if python_utils.UNICODE(subtopic.id) in selected_subtopic_ids:
selected_skill_ids.extend(subtopic.skill_ids)
try:
skills = skill_services.get_multi_skills(selected_skill_ids)
except Exception as e:
raise self.PageNotFoundException(e)
skill_ids_to_descriptions_map = {}
for skill in skills:
skill_ids_to_descriptions_map[skill.id] = skill.description
self.values.update({
'topic_name':
topic.name,
'skill_ids_to_descriptions_map':
skill_ids_to_descriptions_map
})
self.render_json(self.values)
def get(self, story_id):
"""Handles GET requests."""
if not constants.ENABLE_NEW_STRUCTURE_PLAYERS:
raise self.PageNotFoundException
story = story_fetchers.get_story_by_id(story_id)
latest_completed_node_ids = (
story_fetchers.get_latest_completed_node_ids(
self.user_id, story_id))
if len(latest_completed_node_ids) == 0:
raise self.PageNotFoundException
try:
skills = skill_services.get_multi_skills(
story.get_acquired_skill_ids_for_node_ids(
latest_completed_node_ids))
except Exception as e:
raise self.PageNotFoundException(e)
skill_descriptions = {}
for skill in skills:
skill_descriptions[skill.id] = skill.description
self.values.update({
'skill_descriptions': skill_descriptions,
'story_name': story.title
})
self.render_json(self.values)
def test_get_multi_skills(self):
self.save_new_skill('skill_a',
self.user_id_admin,
'Description A',
misconceptions=[],
skill_contents=skill_domain.SkillContents(
state_domain.SubtitledHtml('1', 'Explanation'),
[state_domain.SubtitledHtml('2', 'Example 1')],
{
'1': {},
'2': {}
},
state_domain.WrittenTranslations.from_dict({
'translations_mapping': {
'1': {},
'2': {}
}
})))
self.save_new_skill('skill_b',
self.user_id_admin,
'Description B',
misconceptions=[],
skill_contents=skill_domain.SkillContents(
state_domain.SubtitledHtml('1', 'Explanation'),
[state_domain.SubtitledHtml('2', 'Example 1')],
{
'1': {},
'2': {}
},
state_domain.WrittenTranslations.from_dict({
'translations_mapping': {
'1': {},
'2': {}
}
})))
try:
skill_services.get_multi_skills(['skill_a', 'skill_b'])
except Exception:
self.fail(msg='Unexpected exception raised.')
with self.assertRaisesRegexp(Exception,
'No skill exists for ID skill_c'):
skill_services.get_multi_skills(['skill_a', 'skill_c'])
def get(self, topic_name):
if not constants.ENABLE_NEW_STRUCTURE_PLAYERS:
raise self.PageNotFoundException
# Topic cannot be None as an exception will be thrown from its decorator
# if so.
topic = topic_fetchers.get_topic_by_name(topic_name)
try:
skills = skill_services.get_multi_skills(topic.get_all_skill_ids())
except Exception, e:
raise self.PageNotFoundException(e)
def get_skills_linked_to_question(question_id):
"""Returns a list of skills linked to a particular question.
Args:
question_id: str. ID of the question.
Returns:
list(Skill). The list of skills that are linked to the question.
"""
question = get_question_by_id(question_id)
skills = skill_services.get_multi_skills(question.linked_skill_ids)
return skills
def get_skills_linked_to_question(question_id):
"""Returns a list of skills linked to a particular question.
Args:
question_id: str. ID of the question.
Returns:
list(Skill). The list of skills that are linked to the question.
"""
question_skill_link_models = (question_models.QuestionSkillLinkModel.
get_models_by_question_id(question_id))
skill_ids = [model.skill_id for model in question_skill_link_models]
skills = skill_services.get_multi_skills(skill_ids)
return skills
def get(self):
"""Returns all skill IDs linked to some topic."""
skill_ids = topic_services.get_all_skill_ids_assigned_to_some_topic()
try:
skills = skill_services.get_multi_skills(skill_ids)
except Exception as e:
raise self.PageNotFoundException(e)
skill_dicts = [skill.to_dict() for skill in skills]
self.values.update({'skills': skill_dicts})
self.render_json(self.values)
def get(self, question_id):
"""Gets the data for the question overview page."""
question = question_services.get_question_by_id(question_id,
strict=False)
associated_skill_dicts = [
skill.to_dict() for skill in skill_services.get_multi_skills(
question.linked_skill_ids)
]
self.values.update({
'question_dict': question.to_dict(),
'associated_skill_dicts': associated_skill_dicts
})
self.render_json(self.values)
def get(self, comma_separated_skill_ids):
"""Handles GET requests."""
if not constants.ENABLE_NEW_STRUCTURE_PLAYERS:
raise self.PageNotFoundException
skill_ids = comma_separated_skill_ids.split(',')
skills = skill_services.get_multi_skills(skill_ids)
concept_card_dicts = []
for skill in skills:
concept_card_dicts.append(skill.skill_contents.to_dict())
self.values.update({'concept_card_dicts': concept_card_dicts})
self.render_json(self.values)
def get(self, question_id):
"""Gets the data for the question overview page."""
question = question_services.get_question_by_id(question_id,
strict=False)
if question is None:
raise self.PageNotFoundException(
'The question with the given id doesn\'t exist.')
associated_skill_dicts = [
skill.to_dict() for skill in skill_services.get_multi_skills(
question.linked_skill_ids)
]
self.values.update({
'question_dict': question.to_dict(),
'associated_skill_dicts': associated_skill_dicts
})
self.render_json(self.values)
def get(self, story_id):
"""Handles GET requests."""
if not constants.ENABLE_NEW_STRUCTURE_PLAYERS:
raise self.PageNotFoundException
story = story_services.get_story_by_id(story_id)
latest_completed_node_ids = (
story_services.get_latest_completed_node_ids(
self.user_id, story_id))
if len(latest_completed_node_ids) == 0:
raise self.PageNotFoundException
try:
skills = skill_services.get_multi_skills(
story.get_acquired_skill_ids_for_node_ids(
latest_completed_node_ids))
except Exception, e:
raise self.PageNotFoundException(e)
def get(self, comma_separated_skill_ids):
"""Populates the data on skill pages of the skill ids."""
skill_ids = comma_separated_skill_ids.split(',')
try:
for skill_id in skill_ids:
skill_domain.Skill.require_valid_skill_id(skill_id)
except Exception as e:
raise self.PageNotFoundException('Invalid skill id.')
try:
skills = skill_services.get_multi_skills(skill_ids)
except Exception as e:
raise self.PageNotFoundException(e)
skill_dicts = [skill.to_dict() for skill in skills]
self.values.update({'skills': skill_dicts})
self.render_json(self.values)
class SkillDataHandler(base.BaseHandler):
"""A handler for accessing skills data."""
GET_HANDLER_ERROR_RETURN_TYPE = feconf.HANDLER_TYPE_JSON
@acl_decorators.open_access
def get(self, comma_separated_skill_ids):
"""Populates the data on skill pages of the skill ids."""
skill_ids = comma_separated_skill_ids.split(',')
try:
for skill_id in skill_ids:
skill_domain.Skill.require_valid_skill_id(skill_id)
except Exception, e:
raise self.PageNotFoundException('Invalid skill id.')
try:
skills = skill_services.get_multi_skills(skill_ids)
except Exception, e:
raise self.PageNotFoundException(e)
def get(self, topic_name):
if not constants.ENABLE_NEW_STRUCTURE_PLAYERS:
raise self.PageNotFoundException
# Topic cannot be None as an exception will be thrown from its decorator
# if so.
topic = topic_fetchers.get_topic_by_name(topic_name)
try:
skills = skill_services.get_multi_skills(topic.get_all_skill_ids())
except Exception as e:
raise self.PageNotFoundException(e)
skill_descriptions = {}
for skill in skills:
skill_descriptions[skill.id] = skill.description
self.values.update({
'topic_name': topic.name,
'skill_descriptions': skill_descriptions
})
self.render_json(self.values)
def post(self):
"""Handles POST requests."""
skill_ids = self.payload.get('skill_ids')
if not skill_ids:
raise self.InvalidInputException(
'skill_ids parameter isn\'t present in the payload')
if len(skill_ids) > constants.MAX_SKILLS_PER_QUESTION:
raise self.InvalidInputException(
'More than %d QuestionSkillLinks for one question '
'is not supported.' % constants.MAX_SKILLS_PER_QUESTION)
try:
for skill_id in skill_ids:
skill_domain.Skill.require_valid_skill_id(skill_id)
except Exception as e:
raise self.InvalidInputException('Skill ID(s) aren\'t valid: ', e)
try:
skill_services.get_multi_skills(skill_ids)
except Exception as e:
raise self.PageNotFoundException(e)
question_dict = self.payload.get('question_dict')
if ((question_dict['id'] is not None)
or ('question_state_data' not in question_dict)
or ('language_code' not in question_dict)
or (question_dict['version'] != 0)):
raise self.InvalidInputException(
'Question Data should contain id, state data, language code, '
+ 'and its version should be set as 0')
question_dict['question_state_data_schema_version'] = (
feconf.CURRENT_STATE_SCHEMA_VERSION)
question_dict['id'] = question_services.get_new_question_id()
question_dict['linked_skill_ids'] = skill_ids
try:
question = question_domain.Question.from_dict(question_dict)
except Exception as e:
raise self.InvalidInputException('Question structure is invalid:',
e)
skill_difficulties = self.payload.get('skill_difficulties')
if not skill_difficulties:
raise self.InvalidInputException(
'skill_difficulties not present in the payload')
if len(skill_ids) != len(skill_difficulties):
raise self.InvalidInputException(
'Skill difficulties don\'t match up with skill IDs')
try:
skill_difficulties = [
float(difficulty) for difficulty in skill_difficulties
]
except (ValueError, TypeError):
raise self.InvalidInputException(
'Skill difficulties must be a float value')
if any((difficulty < 0 or difficulty > 1)
for difficulty in skill_difficulties):
raise self.InvalidInputException(
'Skill difficulties must be between 0 and 1')
question_services.add_question(self.user_id, question)
question_services.link_multiple_skills_for_question(
self.user_id, question.id, skill_ids, skill_difficulties)
html_list = question.question_state_data.get_all_html_content_strings()
filenames = (
html_cleaner.get_image_filenames_from_html_strings(html_list))
image_validation_error_message_suffix = (
'Please go to the question editor for question with id %s and edit '
'the image.' % question.id)
for filename in filenames:
image = self.request.get(filename)
if not image:
logging.error(
'Image not provided for file with name %s when the question'
' with id %s was created.' % (filename, question.id))
raise self.InvalidInputException(
'No image data provided for file with name %s. %s' %
(filename, image_validation_error_message_suffix))
try:
file_format = (
image_validation_services.validate_image_and_filename(
image, filename))
except utils.ValidationError as e:
e = '%s %s' % (e, image_validation_error_message_suffix)
raise self.InvalidInputException(e)
image_is_compressible = (file_format
in feconf.COMPRESSIBLE_IMAGE_FORMATS)
fs_services.save_original_and_compressed_versions_of_image(
filename, feconf.ENTITY_TYPE_QUESTION, question.id, image,
'image', image_is_compressible)
self.values.update({'question_id': question.id})
self.render_json(self.values)
def post(self, story_id, node_id):
if not constants.ENABLE_NEW_STRUCTURE_VIEWER_UPDATES:
raise self.PageNotFoundException
try:
story_fetchers.get_node_index_by_story_id_and_node_id(
story_id, node_id)
except Exception as e:
raise self.PageNotFoundException(e)
story = story_fetchers.get_story_by_id(story_id)
completed_nodes = story_fetchers.get_completed_nodes_in_story(
self.user_id, story_id)
completed_node_ids = [
completed_node.id for completed_node in completed_nodes
]
ordered_nodes = [
node for node in story.story_contents.get_ordered_nodes()
]
next_exp_ids = []
next_node_id = None
if not node_id in completed_node_ids:
story_services.record_completed_node_in_story_context(
self.user_id, story_id, node_id)
completed_nodes = story_fetchers.get_completed_nodes_in_story(
self.user_id, story_id)
completed_node_ids = [
completed_node.id for completed_node in completed_nodes
]
for node in ordered_nodes:
if node.id not in completed_node_ids:
next_exp_ids = [node.exploration_id]
next_node_id = node.id
break
ready_for_review_test = False
exp_summaries = (
summary_services.get_displayable_exp_summary_dicts_matching_ids(
next_exp_ids))
# If there are no questions for any of the acquired skills that the
# learner has completed, do not show review tests.
acquired_skills = skill_services.get_multi_skills(
story.get_acquired_skill_ids_for_node_ids(completed_node_ids))
acquired_skill_ids = [skill.id for skill in acquired_skills]
questions_available = len(
question_services.get_questions_by_skill_ids(
1, acquired_skill_ids, False)) > 0
learner_completed_story = len(completed_nodes) == len(ordered_nodes)
learner_at_review_point_in_story = (
len(exp_summaries) != 0 and
(len(completed_nodes) & constants.NUM_EXPLORATIONS_PER_REVIEW_TEST
== 0))
if questions_available and (learner_at_review_point_in_story
or learner_completed_story):
ready_for_review_test = True
return self.render_json({
'summaries': exp_summaries,
'ready_for_review_test': ready_for_review_test,
'next_node_id': next_node_id
})
def post(self):
"""Handles POST requests."""
skill_ids = self.payload.get('skill_ids')
if not skill_ids:
raise self.InvalidInputException(
'skill_ids parameter isn\'t present in the payload')
if len(skill_ids) > constants.MAX_SKILLS_PER_QUESTION:
raise self.InvalidInputException(
'More than %d QuestionSkillLinks for one question '
'is not supported.' % constants.MAX_SKILLS_PER_QUESTION)
try:
for skill_id in skill_ids:
skill_domain.Skill.require_valid_skill_id(skill_id)
except Exception as e:
raise self.InvalidInputException('Skill ID(s) aren\'t valid: ', e)
try:
skill_services.get_multi_skills(skill_ids)
except Exception as e:
raise self.PageNotFoundException(e)
question_dict = self.payload.get('question_dict')
if ((question_dict['id'] is not None)
or ('question_state_data' not in question_dict)
or ('language_code' not in question_dict)
or (question_dict['version'] != 1)):
raise self.InvalidInputException(
'Question Data should contain id, state data, language code, '
+ 'and its version should be set as 1')
question_dict['question_state_data_schema_version'] = (
feconf.CURRENT_STATE_SCHEMA_VERSION)
question_dict['id'] = question_services.get_new_question_id()
question_dict['linked_skill_ids'] = skill_ids
try:
question = question_domain.Question.from_dict(question_dict)
except Exception as e:
raise self.InvalidInputException('Question structure is invalid:',
e)
skill_difficulties = self.payload.get('skill_difficulties')
if not skill_difficulties:
raise self.InvalidInputException(
'skill_difficulties not present in the payload')
if len(skill_ids) != len(skill_difficulties):
raise self.InvalidInputException(
'Skill difficulties don\'t match up with skill IDs')
try:
skill_difficulties = [
float(difficulty) for difficulty in skill_difficulties
]
except (ValueError, TypeError):
raise self.InvalidInputException(
'Skill difficulties must be a float value')
if any((difficulty < 0 or difficulty > 1)
for difficulty in skill_difficulties):
raise self.InvalidInputException(
'Skill difficulties must be between 0 and 1')
question_services.add_question(self.user_id, question)
question_services.link_multiple_skills_for_question(
self.user_id, question.id, skill_ids, skill_difficulties)
self.values.update({'question_id': question.id})
self.render_json(self.values)