Class: Terragona::GeoNames::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/terragona/geonames.rb

Direct Known Subclasses

API, Dump

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/terragona/geonames.rb', line 10

def initialize(args = {})
  @default_country = args[:default_country]
end

Instance Method Details

#search(options) ⇒ Object 



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# File 'lib/terragona/geonames.rb', line 14

def search(options)
  country = options[:country] || @default_country
  id = options[:id]
  name = options[:name]
  fcode = options[:fcode]

  children_fcode = options[:children_fcode] || case fcode
                       when 'PCLI' then 'ADM1'
                       when 'ADM1' then 'ADM2'
                       when 'ADM2' then 'ADM3'
                       when 'ADM3' then 'ADM4'
                       when 'ADM4' then 'ADM5'
                       when 'PPLC' then 'PPLX'
                     end

  field_to_compare = options[:field_to_compare] || calculate_field_to_compare(fcode)
  children_field_to_compare = calculate_field_to_compare(children_fcode)
  field_to_compare_value = options[:field_to_compare_value]

  if field_to_compare_value.nil?
    fetch_geonames(name,country,nil,nil).each{|g|
      if g[:fcode] == fcode
        name = g[:name]
        id = g[:geonameId]
        field_to_compare_value = g[field_to_compare]
        break
      end
    }
  end

  points = []
  children_places = []
                  
  fetch_geonames(nil,country,field_to_compare,field_to_compare_value).each{|g|
      points.push({:x=>g[:lng],:y=>g[:lat]})
      if g[:fcode] == children_fcode and children_field_to_compare
        child={:name=>g[:name],
               :id=>g[:geonameId],
               :fcode=>g[:fcode],
               :country=>g[:countryCode],
               :field_to_compare_value=>g[children_field_to_compare]}
        children_places.push(child)
      end
  }

  {:children_places=>children_places,:points=>points,:place_name=>name,:place_id=>id}
end