dawarich/app/services/gpx/track_parser.rb
2024-07-16 23:06:55 +02:00

64 lines
1.5 KiB
Ruby

# frozen_string_literal: true
class Gpx::TrackParser
attr_reader :import, :json, :user_id
def initialize(import, user_id)
@import = import
@json = import.raw_data
@user_id = user_id
end
def call
tracks = json['gpx']['trk']
tracks_arr = tracks.is_a?(Array) ? tracks : [tracks]
tracks_arr
.map { parse_track(_1) }
.flatten
.reduce { |result, points| result.merge(points) { _2 + _3 } }
end
private
def parse_track(track)
segments = track['trkseg']
segments_arr = segments.is_a?(Array) ? segments : [segments]
segments_arr.map do |segment|
trackpoints = segment['trkpt']
points = trackpoints.reduce(0) { _1 + create_point(_2) }
doubles = trackpoints.size - points
processed = points + doubles
{ raw_points: trackpoints.size, points:, doubles:, processed: }
end
end
def create_point(point)
return 0 if point['lat'].blank? || point['lon'].blank? || point['time'].blank?
return 0 if point_exists?(point)
Point.create(
latitude: point['lat'].to_d,
longitude: point['lon'].to_d,
altitude: point['ele'].to_i,
timestamp: Time.parse(point['time']).to_i,
import_id: import.id,
raw_data: point,
user_id:
)
1
end
def point_exists?(point)
Point.exists?(
latitude: point['lat'].to_d,
longitude: point['lon'].to_d,
timestamp: Time.parse(point['time']).to_i,
user_id:
)
end
end