def create_journey_distances(user):
for journey in Journey.all().filter('distance', 0.0).filter('user', user):
points = Point.all().filter('journey', journey)
journey.distance = sum(
point.distance
for point in points) if points.count() > 0 else 0.000001
journey.put()
def JourneyBatch(request):
user = User.all().filter('facebook_id',
request.session['facebook_id']).get()
for point in json.loads(request.body):
# Date sent
date = datetime.fromtimestamp(int(
point['date'])).replace(tzinfo=pytz.UTC)
if 'journey' in point:
if point['journey'] != 'Stop':
journey = Journey(user=user,
travel_type=TravelType.all().filter(
'name', point['journey']).get(),
start_date=date)
journey.put()
logging.info('Journey started for ' + point['journey'])
user.active_trip_id = journey.key().id()
else:
logging.info('Journey ended')
journey = Journey.get_by_id(user.active_trip_id)
journey.end_date = date
journey.put()
# Remove active trip
user.active_trip_id = -1
user.put()
elif 'distance' in point and user.active_trip_id != -1:
# Get the current journey and save point
Point(journey=Journey.get_by_id(user.active_trip_id),
latitude=float(point['x']),
longitude=float(point['y']),
speed=float(point['speed']),
time=date,
distance=float(point['distance'])).put()
return HttpResponse()
def get_context_data(self, **kwargs):
context = super(JourneyMap, self).get_context_data(**kwargs)
journey = Journey.get_by_id(long(kwargs['journey_id']))
points = Point.all().filter('journey', journey)
if points.count() > 0:
context.update({
'journey_points': points.order('-time'),
})
return context
def get_context_data(self, **kwargs):
context = super(JourneyMap, self).get_context_data(**kwargs)
journey = Journey.get_by_id(long(kwargs['journey_id']))
points = Point.all().filter('journey', journey)
if points.count() > 0:
context.update({
'journey_points': points.order('-time'),
})
return context
def create_user_json(user):
"""
:param user: User
:return: json
"""
create_journey_distances(user)
user_travel_types = {}
# Compute total distances for each travel type
for journey in Journey.all().filter('user', user):
# Get all points for each journey
points = Point.all().filter('journey', journey)
if points.count() > 0:
# Saved distance made on a journey
if journey.travel_type.name not in user_travel_types:
user_travel_types[journey.travel_type.name] = {
'distance':
0.0,
'total':
journey.travel_type.co2_exhausts,
'saved':
TravelType.all().filter('name',
'Average').get().co2_exhausts -
journey.travel_type.co2_exhausts
}
user_travel_types[journey.travel_type.name]['distance'] += round(
journey.distance, 4)
# Save all data
total_co2 = total_saved = total_distance = 0.0
for travel_type in user_travel_types:
# For each travel type
travel_type = user_travel_types[travel_type]
distance = travel_type['distance']
travel_type['total'] = round(travel_type['total'] * distance, 4)
travel_type['saved'] = round(travel_type['saved'] * distance, 4)
# Total
total_distance += distance
total_saved += travel_type['saved']
total_co2 += travel_type['total']
# Create json
user_json = {
'facebook_id': user.facebook_id,
'name': '{0} {1}'.format(user.first_name, user.last_name),
'total': total_co2,
'saved': round(total_saved, 3),
'distance': round(total_distance, 3),
'travel_types': user_travel_types
}
return user_json
def create_user_json(user):
"""
:param user: User
:return: json
"""
create_journey_distances(user)
user_travel_types = {}
# Compute total distances for each travel type
for journey in Journey.all().filter('user', user):
# Get all points for each journey
points = Point.all().filter('journey', journey)
if points.count() > 0:
# Saved distance made on a journey
if journey.travel_type.name not in user_travel_types:
user_travel_types[journey.travel_type.name] = {
'distance': 0.0,
'total': journey.travel_type.co2_exhausts,
'saved': TravelType.all().filter('name', 'Average').get().co2_exhausts - journey.travel_type.co2_exhausts
}
user_travel_types[journey.travel_type.name]['distance'] += round(journey.distance, 4)
# Save all data
total_co2 = total_saved = total_distance = 0.0
for travel_type in user_travel_types:
# For each travel type
travel_type = user_travel_types[travel_type]
distance = travel_type['distance']
travel_type['total'] = round(travel_type['total'] * distance, 4)
travel_type['saved'] = round(travel_type['saved'] * distance, 4)
# Total
total_distance += distance
total_saved += travel_type['saved']
total_co2 += travel_type['total']
# Create json
user_json = {
'facebook_id': user.facebook_id,
'name': '{0} {1}'.format(user.first_name, user.last_name),
'total': total_co2,
'saved': round(total_saved, 3),
'distance': round(total_distance, 3),
'travel_types': user_travel_types
}
return user_json
def TripBatch(request):
user_profile = UserProfile.objects.get(user=request.user)
for point in json.loads(request.body):
# Start new journey
if 'journey' in point:
if point['journey'] == 'Stop':
print 'Journey ended'
journey = Journey.objects.get(id=user_profile.active_trip_id)
# End date
date = datetime.fromtimestamp(int(point['date']))
date = date.replace(tzinfo=pytz.UTC)
journey.end_date = date
journey.save()
# Remove active trip
user_profile.active_trip_id = -1
else:
# Start date
date = datetime.fromtimestamp(int(point['date']))
date = date.replace(tzinfo=pytz.UTC)
journey = Journey(
user_profile=user_profile,
travel_type=TravelType.objects.get(name=point['journey']),
start_date=date)
journey.save()
print 'Journey started for ' + point['journey']
user_profile.active_trip_id = journey.id
user_profile.save()
elif 'distance' in point and user_profile.active_trip_id > -1:
# Get the current journey and save point
date = datetime.fromtimestamp(int(point['date']))
date = date.replace(tzinfo=pytz.UTC)
Point(journey=Journey.objects.get(id=user_profile.active_trip_id),
latitude=float(point['x']),
longitude=float(point['y']),
speed=float(point['speed']),
time=date,
distance=float(point['distance'])).save()
return HttpResponse()
def create_journey_distances(user):
for journey in Journey.all().filter('distance', 0.0).filter('user', user):
points = Point.all().filter('journey', journey)
journey.distance = sum(point.distance for point in points) if points.count() > 0 else 0.000001
journey.put()