def testQueryStopsForTrip(self):
new_trip = self.create_fake_trip()
new_stop = ecws.Stop()
new_stop.trip_id = new_trip.get_id()
new_stop.enter_ts = 5
new_stop.exit_ts = 6
ts = esta.TimeSeries.get_time_series(self.testUserId)
ts.insert_data(self.testUserId, esda.RAW_STOP_KEY, new_stop)
ret_entries = esdt.get_raw_stops_for_trip(self.testUserId, new_trip.get_id())
self.assertEqual([entry.data for entry in ret_entries], [new_stop])
def get_stops_for_trip(user_id, trip_id):
"""
Get the set of sections that are children of this trip.
"""
stop_doc_cursor = edb.get_stop_db().find({
"user_id": user_id,
"trip_id": trip_id
}).sort("enter_ts", pymongo.ASCENDING)
logging.debug("About to execute query %s" % {
"user_id": user_id,
"trip_id": trip_id
})
return [ecwst.Stop(doc) for doc in stop_doc_cursor]
def get_filtered_stop(new_trip_entry, stop):
"""
If we have filtered sections, I guess we need to have filtered stops as well.
These should also point to the new trip
:param new_trip_trip: the trip that this stop is part of
:param stop: the section that this is part of
:return: None
"""
filtered_stop_data = ecwst.Stop()
filtered_stop_data['_id'] = new_trip_entry.get_id()
filtered_stop_data.trip_id = new_trip_entry.get_id()
_copy_non_excluded(old_data=stop.data,
new_data=filtered_stop_data,
excluded_list=filtered_stop_excluded)
return ecwe.Entry.create_entry(stop.user_id,
esda.CLEANED_STOP_KEY,
filtered_stop_data,
create_id=True)
def segment_trip_into_sections(user_id, trip_entry, trip_source):
ts = esta.TimeSeries.get_time_series(user_id)
time_query = esda.get_time_query_for_trip_like(esda.RAW_TRIP_KEY,
trip_entry.get_id())
distance_from_place = _get_distance_from_start_place_to_end(trip_entry)
if (trip_source == "DwellSegmentationTimeFilter"):
import emission.analysis.intake.segmentation.section_segmentation_methods.smoothed_high_confidence_motion as shcm
shcmsm = shcm.SmoothedHighConfidenceMotion(60, 100, [
ecwm.MotionTypes.TILTING, ecwm.MotionTypes.UNKNOWN,
ecwm.MotionTypes.STILL
])
else:
assert (trip_source == "DwellSegmentationDistFilter")
import emission.analysis.intake.segmentation.section_segmentation_methods.smoothed_high_confidence_with_visit_transitions as shcmvt
shcmsm = shcmvt.SmoothedHighConfidenceMotionWithVisitTransitions(
49,
50,
[
ecwm.MotionTypes.TILTING,
ecwm.MotionTypes.UNKNOWN,
ecwm.MotionTypes.STILL,
ecwm.MotionTypes.NONE, # iOS only
ecwm.MotionTypes.STOPPED_WHILE_IN_VEHICLE
]) # iOS only
segmentation_points = shcmsm.segment_into_sections(ts, distance_from_place,
time_query)
# Since we are segmenting an existing trip into sections, we do not need to worry about linking with
# a prior place, since it will be linked through the trip object.
# So this is much simpler than the trip case.
# Again, since this is segmenting a trip, we can just start with a section
prev_section_entry = None
# TODO: Should we link the locations to the trips this way, or by using a foreign key?
# If we want to use a foreign key, then we need to include the object id in the data df as well so that we can
# set it properly.
ts = esta.TimeSeries.get_time_series(user_id)
get_loc_for_ts = lambda time: ecwl.Location(
ts.get_entry_at_ts("background/filtered_location", "data.ts", time)[
"data"])
trip_start_loc = get_loc_for_ts(trip_entry.data.start_ts)
trip_end_loc = get_loc_for_ts(trip_entry.data.end_ts)
logging.debug("trip_start_loc = %s, trip_end_loc = %s" %
(trip_start_loc, trip_end_loc))
for (i, (start_loc_doc, end_loc_doc,
sensed_mode)) in enumerate(segmentation_points):
logging.debug("start_loc_doc = %s, end_loc_doc = %s" %
(start_loc_doc, end_loc_doc))
get_loc_for_row = lambda row: ts.df_row_to_entry(
"background/filtered_location", row).data
start_loc = get_loc_for_row(start_loc_doc)
end_loc = get_loc_for_row(end_loc_doc)
logging.debug("start_loc = %s, end_loc = %s" % (start_loc, end_loc))
section = ecwc.Section()
section.trip_id = trip_entry.get_id()
if prev_section_entry is None:
# This is the first point, so we want to start from the start of the trip, not the start of this segment
start_loc = trip_start_loc
if i == len(segmentation_points) - 1:
# This is the last point, so we want to end at the end of the trip, not at the end of this segment
# Particularly in this case, if we don't do this, then the trip end may overshoot the section end
end_loc = trip_end_loc
fill_section(section, start_loc, end_loc, sensed_mode)
# We create the entry after filling in the section so that we know
# that the data is included properly
section_entry = ecwe.Entry.create_entry(user_id,
esda.RAW_SECTION_KEY,
section,
create_id=True)
if prev_section_entry is not None:
# If this is not the first section, create a stop to link the two sections together
# The expectation is prev_section -> stop -> curr_section
stop = ecws.Stop()
stop.trip_id = trip_entry.get_id()
stop_entry = ecwe.Entry.create_entry(user_id,
esda.RAW_STOP_KEY,
stop,
create_id=True)
logging.debug("stop = %s, stop_entry = %s" % (stop, stop_entry))
stitch_together(prev_section_entry, stop_entry, section_entry)
ts.insert(stop_entry)
ts.update(prev_section_entry)
# After we go through the loop, we will be left with the last section,
# which does not have an ending stop. We insert that too.
ts.insert(section_entry)
prev_section_entry = section_entry
def _get_stops_for_query(stop_query, sort_key):
logging.debug("Returning stops for query %s" % stop_query)
stop_doc_cursor = edb.get_stop_db().find(stop_query).sort(
sort_key, pymongo.ASCENDING)
# TODO: Fix "TripIterator" and return it instead of this list
return [ecws.Stop(doc) for doc in stop_doc_cursor]
def create_new_stop(user_id, trip_id):
_id = edb.get_stop_db().save({'user_id': user_id, "trip_id": trip_id})
logging.debug("Created new stop %s for user %s" % (_id, user_id))
return ecws.Stop({"_id": _id, 'user_id': user_id, "trip_id": trip_id})
def get_stop(stop_id):
return ecws.Stop(edb.get_stop_db().find_one({"_id": stop_id}))