def geojson_to_task(slug, feature):
"""converts one geojson feature to a task.
This will only work in a limited number of cases, where:
* The geometry is one single Point or Linestring feature,
* The OSM ID of the feature is in the id field of the JSON,
and you are OK with the following:
* The description cannot be set at the task level
* The identifier will be slug-osmid"""
# check for id and geometries
if 'id' not in feature:
app.logger.debug('no id in this feature, skipping')
return None
if 'geometry' not in feature:
app.logger.debug('no geometries in feature, skipping')
return None
# generate an identifier
osmid = feature['id']
identifier = '{slug}-{osmid}'.format(
slug=slug,
osmid=osmid)
# find, or create a task
task = Task.query.filter(
Task.challenge_slug == slug).filter(
Task.identifier == identifier).first()
if task is None:
task = Task(slug, identifier)
app.logger.debug('creating task {identifier}'.format(
identifier=identifier))
else:
app.logger.debug('updating task {identifier}'.format(
identifier=identifier))
# clear existing geometries
task.geometries = []
# get the geometry
geom = feature['geometry']
shape = asShape(geom)
try:
g = TaskGeometry(osmid, shape)
task.geometries.append(g)
return task
except Exception as e:
app.logger.debug("task could not be created, {}".format(e))
return None
def json_to_task(slug, data, task=None, identifier=None):
"""Parse task json coming in through the admin api"""
app.logger.debug(data)
if identifier is None and task is None:
if 'identifier' not in data:
raise Exception('no identifier given')
identifier = data['identifier']
if task is None:
# create the task if none was passed in
try:
task = Task(slug, identifier)
except Exception as e:
app.logger.warn(e)
raise e
else:
# delete existing task geometries
task.geometries = []
# check for instruction
if 'instruction' in data:
task.instruction = data['instruction']
# check for status
if 'status' in data:
task.status = data['status']
# extract the task geometries
if 'geometries' in data:
geometries = data.pop('geometries')
# parse the geometries
app.logger.debug(geometries)
for feature in geometries['features']:
osmid = None
if 'properties' in feature and feature['properties'].get('osmid'):
osmid = feature['properties'].get('osmid')
app.logger.debug(feature)
shape = asShape(feature['geometry'])
g = TaskGeometry(shape, osmid)
task.geometries.append(g)
return task
def json_to_task(slug, data, task=None, identifier=None):
"""Parse task json coming in through the admin api"""
app.logger.debug(data)
if identifier is None and task is None:
if 'identifier' not in data:
raise Exception('no identifier given')
identifier = data['identifier']
if task is None:
# create the task if none was passed in
try:
task = Task(slug, identifier)
except Exception as e:
app.logger.warn(e)
raise e
else:
# delete existing task geometries
task.geometries = []
# check for instruction
if 'instruction' in data:
task.instruction = data['instruction']
# check for status
if 'status' in data:
task.status = data['status']
# extract the task geometries
if 'geometries' in data:
geometries = data.pop('geometries')
# parse the geometries
app.logger.debug(geometries)
for feature in geometries['features']:
osmid = None
if 'properties' in feature and feature['properties'].get('osmid'):
osmid = feature['properties'].get('osmid')
app.logger.debug(feature)
shape = asShape(feature['geometry'])
g = TaskGeometry(shape, osmid)
task.geometries.append(g)
return task
def geojson_to_task(slug, feature):
"""converts one geojson feature to a task.
This will only work in a limited number of cases, where:
* The geometry is one single Point or Linestring feature,
* The OSM ID of the feature is in the id field of the JSON,
and you are OK with the following:
* The description cannot be set at the task level
* The identifier will be slug-osmid"""
# check for id and geometries
if 'id' not in feature:
app.logger.debug('no id in this feature, skipping')
return None
if 'geometry' not in feature:
app.logger.debug('no geometries in feature, skipping')
return None
# generate an identifier
osmid = feature['id']
identifier = '{slug}-{osmid}'.format(slug=slug, osmid=osmid)
# find, or create a task
task = Task.query.filter(Task.challenge_slug == slug).filter(
Task.identifier == identifier).first()
if task is None:
task = Task(slug, identifier)
app.logger.debug(
'creating task {identifier}'.format(identifier=identifier))
else:
app.logger.debug(
'updating task {identifier}'.format(identifier=identifier))
# clear existing geometries
task.geometries = []
# get the geometry
geom = feature['geometry']
shape = asShape(geom)
try:
g = TaskGeometry(osmid, shape)
task.geometries.append(g)
return task
except Exception, e:
app.logger.debug("task could not be created, {}".format(e))
return None
