Initial import for agencies, stops, routes, trips and stop_times. Refs #6368

1 files changed, 139 insertions, 21 deletions

diff --git a/app/models/import/gtfs.rb b/app/models/import/gtfs.rb
index 03cf49e60..5b332315d 100644
--- a/app/models/import/gtfs.rb
+++ b/app/models/import/gtfs.rb
@@ -1,36 +1,154 @@
-require 'net/http'
 class Import::Gtfs < Import::Base
-  before_destroy :destroy_non_ready_referential
+  after_commit :launch_worker, :on => :create
 
-  after_commit :launch_java_import, on: :create
-  before_save def abort_unless_referential
-    self.status = 'aborted' unless referential
+  def launch_worker
+    GtfsImportWorker.perform_async id
   end
 
-  def launch_java_import
-    return if self.class.finished_statuses.include?(status)
-    threaded_call_boiv_iev
+  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
 
-  private
+  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 }
 
-  def destroy_non_ready_referential
-    if referential && !referential.ready
-      referential.destroy
+      save company
     end
   end
 
-  def threaded_call_boiv_iev
-    Thread.new(&method(:call_boiv_iev))
+  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 call_boiv_iev
-    Rails.logger.error("Begin IEV call for import")
-    Net::HTTP.get(URI("#{Rails.configuration.iev_url}/boiv_iev/referentials/importer/new?id=#{id}"))
-    Rails.logger.error("End IEV call for import")
-  rescue Exception => e
-    logger.error "IEV server error : #{e.message}"
-    logger.error e.backtrace.inspect
+  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_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 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