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 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 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()