def update_from_json(cls, jsondict):
"""
Decode the json into CourseDetails and save any changed attrs to the db
"""
# TODO make it an error for this to be undefined & for it to not be retrievable from modulestore
course_location = Location(jsondict['course_location'])
# Will probably want to cache the inflight courses because every blur generates an update
descriptor = get_modulestore(course_location).get_item(course_location)
dirty = False
# In the descriptor's setter, the date is converted to JSON using Date's to_json method.
# Calling to_json on something that is already JSON doesn't work. Since reaching directly
# into the model is nasty, convert the JSON Date to a Python date, which is what the
# setter expects as input.
date = Date()
if 'start_date' in jsondict:
converted = date.from_json(jsondict['start_date'])
else:
converted = None
if converted != descriptor.start:
dirty = True
descriptor.start = converted
if 'end_date' in jsondict:
converted = date.from_json(jsondict['end_date'])
else:
converted = None
if converted != descriptor.end:
dirty = True
descriptor.end = converted
if 'enrollment_start' in jsondict:
converted = date.from_json(jsondict['enrollment_start'])
else:
converted = None
if converted != descriptor.enrollment_start:
dirty = True
descriptor.enrollment_start = converted
if 'enrollment_end' in jsondict:
converted = date.from_json(jsondict['enrollment_end'])
else:
converted = None
if converted != descriptor.enrollment_end:
dirty = True
descriptor.enrollment_end = converted
if dirty:
get_modulestore(course_location).update_metadata(
course_location, own_metadata(descriptor))
# NOTE: below auto writes to the db w/o verifying that any of the fields actually changed
# to make faster, could compare against db or could have client send over a list of which fields changed.
temploc = Location(course_location).replace(category='about',
name='syllabus')
update_item(temploc, jsondict['syllabus'])
temploc = temploc.replace(name='overview')
update_item(temploc, jsondict['overview'])
temploc = temploc.replace(name='effort')
update_item(temploc, jsondict['effort'])
temploc = temploc.replace(name='video')
recomposed_video_tag = CourseDetails.recompose_video_tag(
jsondict['intro_video'])
update_item(temploc, recomposed_video_tag)
# Could just generate and return a course obj w/o doing any db reads, but I put the reads in as a means to confirm
# it persisted correctly
return CourseDetails.fetch(course_location)
def update_from_json(cls, course_locator, jsondict):
"""
Decode the json into CourseDetails and save any changed attrs to the db
"""
course_old_location = loc_mapper().translate_locator_to_location(course_locator)
descriptor = get_modulestore(course_old_location).get_item(course_old_location)
dirty = False
# In the descriptor's setter, the date is converted to JSON using Date's to_json method.
# Calling to_json on something that is already JSON doesn't work. Since reaching directly
# into the model is nasty, convert the JSON Date to a Python date, which is what the
# setter expects as input.
date = Date()
if 'start_date' in jsondict:
converted = date.from_json(jsondict['start_date'])
else:
converted = None
if converted != descriptor.start:
dirty = True
descriptor.start = converted
if 'end_date' in jsondict:
converted = date.from_json(jsondict['end_date'])
else:
converted = None
if converted != descriptor.end:
dirty = True
descriptor.end = converted
if 'enrollment_start' in jsondict:
converted = date.from_json(jsondict['enrollment_start'])
else:
converted = None
if converted != descriptor.enrollment_start:
dirty = True
descriptor.enrollment_start = converted
if 'enrollment_end' in jsondict:
converted = date.from_json(jsondict['enrollment_end'])
else:
converted = None
if converted != descriptor.enrollment_end:
dirty = True
descriptor.enrollment_end = converted
if 'course_image_name' in jsondict and jsondict['course_image_name'] != descriptor.course_image:
descriptor.course_image = jsondict['course_image_name']
dirty = True
if dirty:
# Save the data that we've just changed to the underlying
# MongoKeyValueStore before we update the mongo datastore.
descriptor.save()
get_modulestore(course_old_location).update_metadata(course_old_location, own_metadata(descriptor))
# NOTE: below auto writes to the db w/o verifying that any of the fields actually changed
# to make faster, could compare against db or could have client send over a list of which fields changed.
temploc = Location(course_old_location).replace(category='about', name='syllabus')
update_item(temploc, jsondict['syllabus'])
temploc = temploc.replace(name='overview')
update_item(temploc, jsondict['overview'])
temploc = temploc.replace(name='tags')
update_item(temploc, jsondict['tags'])
temploc = temploc.replace(name='effort')
update_item(temploc, jsondict['effort'])
temploc = temploc.replace(name='video')
recomposed_video_tag = CourseDetails.recompose_video_tag(jsondict['intro_video'])
update_item(temploc, recomposed_video_tag)
# Could just return jsondict w/o doing any db reads, but I put the reads in as a means to confirm
# it persisted correctly
return CourseDetails.fetch(course_locator)
def update_from_json(cls, jsondict):
"""
Decode the json into CourseDetails and save any changed attrs to the db
"""
# TODO make it an error for this to be undefined & for it to not be retrievable from modulestore
course_location = jsondict['course_location']
# Will probably want to cache the inflight courses because every blur generates an update
descriptor = get_modulestore(course_location).get_item(course_location)
dirty = False
# In the descriptor's setter, the date is converted to JSON using Date's to_json method.
# Calling to_json on something that is already JSON doesn't work. Since reaching directly
# into the model is nasty, convert the JSON Date to a Python date, which is what the
# setter expects as input.
date = Date()
if 'start_date' in jsondict:
converted = date.from_json(jsondict['start_date'])
else:
converted = None
if converted != descriptor.start:
dirty = True
descriptor.start = converted
if 'end_date' in jsondict:
converted = date.from_json(jsondict['end_date'])
else:
converted = None
if converted != descriptor.end:
dirty = True
descriptor.end = converted
if 'enrollment_start' in jsondict:
converted = date.from_json(jsondict['enrollment_start'])
else:
converted = None
if converted != descriptor.enrollment_start:
dirty = True
descriptor.enrollment_start = converted
if 'enrollment_end' in jsondict:
converted = date.from_json(jsondict['enrollment_end'])
else:
converted = None
if converted != descriptor.enrollment_end:
dirty = True
descriptor.enrollment_end = converted
if dirty:
get_modulestore(course_location).update_metadata(course_location, own_metadata(descriptor))
# NOTE: below auto writes to the db w/o verifying that any of the fields actually changed
# to make faster, could compare against db or could have client send over a list of which fields changed.
temploc = Location(course_location)._replace(category='about', name='syllabus')
update_item(temploc, jsondict['syllabus'])
temploc = temploc._replace(name='overview')
update_item(temploc, jsondict['overview'])
temploc = temploc._replace(name='effort')
update_item(temploc, jsondict['effort'])
temploc = temploc._replace(name='video')
recomposed_video_tag = CourseDetails.recompose_video_tag(jsondict['intro_video'])
update_item(temploc, recomposed_video_tag)
# Could just generate and return a course obj w/o doing any db reads, but I put the reads in as a means to confirm
# it persisted correctly
return CourseDetails.fetch(course_location)
def update_from_json(cls, course_locator, jsondict):
"""
Decode the json into CourseDetails and save any changed attrs to the db
"""
course_old_location = loc_mapper().translate_locator_to_location(
course_locator)
descriptor = get_modulestore(course_old_location).get_item(
course_old_location)
dirty = False
# In the descriptor's setter, the date is converted to JSON using Date's to_json method.
# Calling to_json on something that is already JSON doesn't work. Since reaching directly
# into the model is nasty, convert the JSON Date to a Python date, which is what the
# setter expects as input.
date = Date()
if 'start_date' in jsondict:
converted = date.from_json(jsondict['start_date'])
else:
converted = None
if converted != descriptor.start:
dirty = True
descriptor.start = converted
if 'end_date' in jsondict:
converted = date.from_json(jsondict['end_date'])
else:
converted = None
if converted != descriptor.end:
dirty = True
descriptor.end = converted
if 'enrollment_start' in jsondict:
converted = date.from_json(jsondict['enrollment_start'])
else:
converted = None
if converted != descriptor.enrollment_start:
dirty = True
descriptor.enrollment_start = converted
if 'enrollment_end' in jsondict:
converted = date.from_json(jsondict['enrollment_end'])
else:
converted = None
if converted != descriptor.enrollment_end:
dirty = True
descriptor.enrollment_end = converted
if 'course_image_name' in jsondict and jsondict[
'course_image_name'] != descriptor.course_image:
descriptor.course_image = jsondict['course_image_name']
dirty = True
if dirty:
# Save the data that we've just changed to the underlying
# MongoKeyValueStore before we update the mongo datastore.
descriptor.save()
get_modulestore(course_old_location).update_metadata(
course_old_location, own_metadata(descriptor))
# NOTE: below auto writes to the db w/o verifying that any of the fields actually changed
# to make faster, could compare against db or could have client send over a list of which fields changed.
temploc = Location(course_old_location).replace(category='about',
name='syllabus')
update_item(temploc, jsondict['syllabus'])
temploc = temploc.replace(name='overview')
update_item(temploc, jsondict['overview'])
temploc = temploc.replace(name='effort')
update_item(temploc, jsondict['effort'])
temploc = temploc.replace(name='video')
recomposed_video_tag = CourseDetails.recompose_video_tag(
jsondict['intro_video'])
update_item(temploc, recomposed_video_tag)
# Could just return jsondict w/o doing any db reads, but I put the reads in as a means to confirm
# it persisted correctly
return CourseDetails.fetch(course_locator)