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class Import::Gtfs < Import::Base
after_commit :launch_worker, :on => :create
def launch_worker
GtfsImportWorker.perform_async id
end
def import
workbench_import.update(status: 'running', started_at: Time.now)
import_without_status
workbench_import.update(status: 'successful', ended_at: Time.now)
rescue Exception => e
workbench_import.update(status: 'failed', ended_at: Time.now)
raise e
end
attr_accessor :local_file
# TODO download the imported file
# def local_file
# @local_file
# end
# TODO create referential with metadatas
# def referential
# ...
# end
def source
@source ||= ::GTFS::Source.build local_file
end
delegate :line_referential, :stop_area_referential, to: :referential
def import_without_status
referential.switch
import_agencies
import_stops
import_routes
import_trips
import_stop_times
end
def import_agencies
source.agencies.each do |agency|
company = line_referential.companies.find_or_initialize_by(registration_number: agency.id)
company.attributes = { name: agency.name }
save company
end
end
def import_stops
source.stops.each do |stop|
stop_area = stop_area_referential.stop_areas.find_or_initialize_by(registration_number: stop.id)
stop_area.name = stop.name
stop_area.area_type = stop.location_type == "1" ? "zdlp" : "zdep"
stop_area.parent = stop_referential.stop_areas.find_by!(registration_number: stop.parent_station) if stop.parent_station.present?
stop_area.latitude, stop_area.longitude = stop.lat, stop.lon
stop_area.kind = "commercial"
# TODO correct default timezone
save stop_area
end
end
def import_routes
source.routes.each do |route|
line = line_referential.lines.find_or_initialize_by(registration_number: route.id)
line.name = route.long_name.presence || route.short_name
line.number = route.short_name
line.published_name = route.long_name
line.company = line_referential.companies.find_by(registration_number: route.agency_id) if route.agency_id.present?
# TODO transport mode
line.comment = route.desc
# TODO colors
line.url = route.url
save line
end
end
def vehicle_journey_by_trip_id
@vehicle_journey_by_trip_id ||= {}
end
def import_trips
source.trips.each do |trip|
line = line_referential.lines.find_by registration_number: trip.route_id
route = referential.routes.build line: line
route.wayback = (trip.direction_id == "0" ? :outbound : :inbound)
# TODO better name ?
name = route.published_name = trip.short_name.presence || trip.headsign.presence || route.wayback.to_s.capitalize
route.name = name
save route
journey_pattern = route.journey_patterns.build name: name
save journey_pattern
vehicle_journey = journey_pattern.vehicle_journeys.build route: route
vehicle_journey.published_journey_name = trip.headsign.presence || trip.id
save vehicle_journey
vehicle_journey.time_tables << referential.time_tables.find(time_tables_by_service_id[trip.service_id])
vehicle_journey_by_trip_id[trip.id] = vehicle_journey.id
end
end
def import_stop_times
source.stop_times.group_by(&:trip_id).each do |trip_id, stop_times|
vehicle_journey = referential.vehicle_journeys.find vehicle_journey_by_trip_id[trip_id]
journey_pattern = vehicle_journey.journey_pattern
route = journey_pattern.route
stop_times.sort_by!(&:stop_sequence)
stop_times.each do |stop_time|
stop_area = stop_area_referential.stop_areas.find_by(registration_number: stop_time.stop_id)
stop_point = route.stop_points.build stop_area: stop_area
save stop_point
journey_pattern.stop_points << stop_point
# JourneyPattern#vjas_add creates automaticaly VehicleJourneyAtStop
vehicle_journey_at_stop = journey_pattern.vehicle_journey_at_stops.find_by(stop_point_id: stop_point.id)
vehicle_journey_at_stop.departure_time = stop_time.departure_time
vehicle_journey_at_stop.arrival_time = stop_time.arrival_time
# TODO offset
save vehicle_journey_at_stop
end
end
end
def time_tables_by_service_id
@time_tables_by_service_id ||= {}
end
def import_calendars
source.calendars.each do |calendar|
time_table = referential.time_tables.build comment: "Calendar #{calendar.service_id}"
Chouette::TimeTable.all_days.each do |day|
time_table.send("#{day}=", calendar.send(day))
end
time_table.periods.build period_start: calendar.start_date, period_end: calendar.end_date
save time_table
time_tables_by_service_id[calendar.service_id] = time_table.id
end
end
def save(model)
unless model.save
Rails.logger.info "Can't save #{model.class.name} : #{model.errors.inspect}"
raise ActiveRecord::RecordNotSaved.new("Invalid #{model.class.name}")
end
Rails.logger.debug "Created #{model.inspect}"
end
end
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