class GeoLocLog

options:

file: used to store the place names and the coordinates
wait: records can only be added after the given wait time in seconds
labels: Maps the returned place name with a user-defined label (optional)
dbfile: sqlite database file used to store an addresses with a position
timeout: number of seconds to wait before the Geocoder gem 
         timesout when accessing the Google API

Attributes

labels[R]

Public Class Methods

new(file='geoloclog.xml', wait: 60, labels: nil, dbfile: 'glw.db', timeout: 10, placehold: true) click to toggle source

# File lib/geoloclog.rb, line 23
def initialize(file='geoloclog.xml', wait: 60, labels: nil, dbfile: 'glw.db', 
                timeout: 10, placehold: true)

  @filename, @wait, @placehold = file, wait, placehold
 
  @labels = labels ? YAML.load(RXFHelper.read(labels).first) : {}

  @dx = if File.exists? file then
    DynarexDaily.new file
  else
    dx = DynarexDaily.new 'geoloc[title, date]/location(place, label, ' + 
             'entered, lastseen, address, coords)', filename: @filename
    dx.default_key = 'uid'
    dx
  end

  @glw = Glw.new dbfile, timeout: timeout

end

Public Instance Methods

add(lat, lon) click to toggle source

# File lib/geoloclog.rb, line 43
def add(lat, lon)

  return if location and  (Time.now - Time.parse(location.created) < @wait)
  


  begin
    h = @glw.locate lat, lon
  rescue
    puts 'geoloclog::add warning: ' + ($!).inspect
    return
  end

  record = {
    place: h[:route],
    label: @labels[h[:route]].to_s,
    entered: Time.now,
    lastseen: Time.now,
    address: h[:address],
    coords: [lat, lon].join(', ')
  }

  
  if location and @placehold and location.place == record[:place] then
    
    # find the most recent record and update it
    
    location.address = record[:address]
    location.lastseen = record[:lastseen]
    location.coords = record[:coords]
    
  else
    @dx.create record
  end
  
  @dx.save @filename

end

last_location() click to toggle source

# File lib/geoloclog.rb, line 82
def last_location()
  @dx.all.any? ? @dx.all.first : nil
end

Also aliased as: location

location()

Alias for: last_location