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class VehicleTranslation
include ActiveModel::Validations
include ActiveModel::Conversion
extend ActiveModel::Naming
attr_accessor :vehicle_journey_id, :count, :duration
attr_accessor :first_stop_time, :departure_or_arrival
validates_presence_of :count, :duration, :first_stop_time, :departure_or_arrival
validates_inclusion_of :departure_or_arrival, :in => %w( departure arrival)
validates_numericality_of :count, greater_than: 0
validates_numericality_of :duration, greater_than: 0
validate :firts_stop_time_format
validate :vehicle_has_stop_times
def initialize(attributes = {})
attributes.each do |name, value|
send("#{name}=", value)
end
end
def firts_stop_time_format
if first_stop_time.blank?
errors.add :first_stop_time, I18n.t('activemodel.errors.models.vehicle_translation.unreadable_time') unless self.class.time_format_text?( self.first_stop_time)
end
end
def self.time_format_text?( text)
begin
Time.parse text
rescue
false
end
end
def vehicle_has_stop_times
if vehicle_journey.vehicle_journey_at_stops.empty?
errors.add :vehicle_journey_id, I18n.t('activemodel.errors.models.vehicle_translation.uncompiliant_vehicle')
end
end
def persisted?
false
end
def move_time_in_current_time_zone( time )
Time.parse( "#{time.hour}:#{time.min}")
end
def evaluate_delta( actual_time)
Time.parse( first_stop_time) - move_time_in_current_time_zone( actual_time)
end
def vjas_time_attribute
"#{departure_or_arrival}_time"
end
def first_vjas_time
vehicle_journey.vehicle_journey_at_stops.first.send( vjas_time_attribute)
end
def first_delta
evaluate_delta( first_vjas_time)
end
def translate
copied_attributes = vehicle_journey.attributes
copied_attributes.delete "id"
copied_attributes.delete "objectid"
copied_attributes.delete "created_at"
copied_attributes.delete "updated_at"
# time shift for current duplicated vehicle
delta = first_delta
vehicle_journey.transaction do
1.upto( count.to_i) do |index|
translated = Chouette::VehicleJourney.create( copied_attributes)
translated.time_tables = vehicle_journey.time_tables
vehicle_journey.vehicle_journey_at_stops.each do |vjas|
vjas_attributes = vjas.attributes.merge( "vehicle_journey_id" => translated.id)
vjas_attributes.delete( "id" )
vjas_attributes.merge! "departure_time" => ( vjas_attributes[ "departure_time"] + delta),
"arrival_time" => ( vjas_attributes[ "arrival_time"] + delta)
Chouette::VehicleJourneyAtStop.create( vjas_attributes)
end
delta += duration.to_i.minutes
end
end
end
def first_stop_name
@first_stop_name ||= vehicle_journey.vehicle_journey_at_stops.first.stop_point.stop_area.name
end
def vehicle_journey
@vehicle_journey ||= Chouette::VehicleJourney.find( vehicle_journey_id)
end
def self.from_vehicle( vehicle)
VehicleTranslation.new( :vehicle_journey_id => vehicle.id,
:count => 0,
:translation => 5.minutes)
end
end
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