def flush_entities(db_conn, descs):
"""
Given a list of kinds and entity_ids,
return a list filled out with entities.
"""
output = []
for desc in descs:
if desc['kind'] == 'card':
card = Card.get_latest_accepted(db_conn, entity_id=desc['id'])
card = flip_card_into_kind(card)
if card:
output.append(card)
elif desc['kind'] == 'unit':
output.append(Unit.get_latest_accepted(
db_conn,
entity_id=desc['id']
))
elif desc['kind'] == 'subject':
output.append(Subject.get_latest_accepted(
db_conn,
entity_id=desc['id']
))
else:
output.append(None)
return output
def get_latest_accepted(db_conn, kind, entity_id):
"""
Given a kind and an entity_id, pull the latest accepted
version out of the database.
"""
if kind == 'card':
card = Card.get_latest_accepted(db_conn, entity_id)
return flip_card_into_kind(card)
elif kind == 'unit':
return Unit.get_latest_accepted(db_conn, entity_id)
elif kind == 'subject':
return Subject.get_latest_accepted(db_conn, entity_id)
def get_subject_units_route(request, subject_id):
"""
Present a small number of units the learner can choose from.
NEXT STATE
GET Choose Unit
-> POST Choose Unit
"""
db_conn = request['db_conn']
# TODO-3 simplify this method. should it be part of the models?
current_user = get_current_user(request)
if not current_user:
return abort(401)
context = get_learning_context(current_user)
next_ = {
'method':
'POST',
'path':
'/s/subjects/{subject_id}/units/{unit_id}'.format(
subject_id=context.get('subject', {}).get('entity_id'),
unit_id='{unit_id}'),
}
set_learning_context(current_user, next=next_)
subject = Subject.get_latest_accepted(db_conn, subject_id)
# Pull a list of up to 5 units to choose from based on priority.
buckets = traverse(db_conn, current_user, subject)
units = buckets['learn'][:5]
# TODO-3 Time estimates per unit for mastery.
return 200, {
'next': next_,
'units': [unit.deliver() for unit in units],
# For the menu, it must return the name and ID of the subject
'subject': subject.deliver(),
'current_unit_id': context.get('unit', {}).get('entity_id'),
}
def get_subject_route(request, subject_id):
"""
Get a specific subject given an ID.
"""
db_conn = request['db_conn']
subject = Subject.get_latest_accepted(db_conn, subject_id)
if not subject:
return abort(404)
# TODO-2 SPLITUP create new endpoints for these instead
topics = list_topics_by_entity_id(subject_id, {}, db_conn)
versions = Subject.get_versions(db_conn, entity_id=subject_id)
units = subject.list_units(db_conn)
return 200, {
'subject': subject.deliver(),
# 'subject_parameters': subject.fetch_parameters(),
'topics': [deliver_topic(topic) for topic in topics],
'versions': [version.deliver() for version in versions],
'units': [unit.deliver() for unit in units],
}
def select_subject_route(request, user_id, subject_id):
"""
Select the subject to work on.
NEXT STATE
POST Choose Subject (Update Learner Context)
-> GET View Subject Tree
"""
db_conn = request['db_conn']
current_user = get_current_user(request)
if not current_user:
return abort(401)
subject = Subject.get_latest_accepted(db_conn, subject_id)
next_ = {
'method': 'GET',
'path': '/s/subjects/{subject_id}/tree'.format(subject_id=subject_id),
}
set_learning_context(current_user, subject=subject.data, next=next_)
return 200, {'next': next_}
def test_latest_accepted_subject(db_conn, subjects_table):
"""
Expect to get the latest accepted subject version.
"""
subjects_table.insert([{
'id': 'A1',
'entity_id': 'A',
'created': r.time(2004, 11, 3, 'Z'),
'status': 'accepted',
}, {
'id': 'B2',
'entity_id': 'A',
'created': r.time(2005, 11, 3, 'Z'),
'status': 'accepted',
}, {
'id': 'C3',
'entity_id': 'B',
'created': r.time(2006, 11, 3, 'Z'),
'status': 'accepted',
}]).run(db_conn)
subject = Subject.get_latest_accepted(db_conn, 'A')
assert subject['id'] == 'B2'
