Class: Jekyll_Geocode::Generator

Inherits:
Jekyll::Generator
  • Object
show all
Defined in:
lib/jekyll_geocode.rb

Instance Method Summary collapse

Instance Method Details

#generate(site) ⇒ Object 



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# File 'lib/jekyll_geocode.rb', line 16

def generate(site)

  #regEx for removing empty line
  regEx = /^[\s]*$\n/

  #force locale
  I18n.config.available_locales = :en

  #Get Geo service
  geo_service = 'https://nominatim.openstreetmap.org/?format=json&q='

  #Get Config
  config = site.config['jekyll_geocode']

  if !config
    return
  end
  if !config.kind_of?(Array)
    filename       = site.config['jekyll_geocode']['file-name']
    filepath       = site.config['jekyll_geocode']['file-path']
    outputfile     = site.config['jekyll_geocode']['outputfile']
    geo_name       = site.config['jekyll_geocode']['name']
    geo_address    = site.config['jekyll_geocode']['address']
    geo_postcode   = site.config['jekyll_geocode']['postcode']
    geo_city       = site.config['jekyll_geocode']['city']
    geo_region     = site.config['jekyll_geocode']['region']
    geo_country    = site.config['jekyll_geocode']['country']
  end

  # Define data source
  if !filepath
    data_source = (site.config['data_source'])
  else
    data_source = (filepath)
  end

  #Path
  path_yaml = "#{data_source}/#{outputfile}"

  # if File.file?(path_yaml) && outputfile
  #   File.open(path_yaml, 'w') {|file| file.truncate(0) }
  # end

  # Load YML file
  members = YAML.load_file("#{data_source}/#{filename}")

  # Loop YML file
  members.each do |d|
    geo_name_field = d[geo_name].downcase.tr(" ", "-")
    if d[geo_postcode]
      geo_postcode_field = ", #{d[geo_postcode]}"
    end
    if d[geo_city]
      geo_city_field = ", #{d[geo_city]}"
    end
    if d[geo_region]
      geo_region_field = ", #{d[geo_region]}"
    end
    if d[geo_country]
      geo_country_field = ", #{d[geo_country]}"
    end
    geo_coord = "#{d[geo_address]}#{geo_postcode_field}#{geo_city_field}#{geo_region_field}#{geo_country_field}"
    geo_request = "#{geo_service}#{geo_coord}&limit=1"
    p geo_request


    # Loop for an YML output
    if outputfile

      # No cache at the first loop
      geo_cache = true

      # Read the YML file
      if File.file?(path_yaml)
        file_yaml = YAML.load(File.open(path_yaml))
      end

      # If YML file test if and address are the same as in the source file
      if file_yaml
        file_yaml.each do |coordinates|
          if coordinates['address'] == geo_coord
            geo_cache = false
          end
        end
      else
        geo_cache = true
      end

      # Write data
      if geo_cache == true
        p "geocode is requesting #{geo_coord}"
        request_service(geo_request).each do |coordinates|
          data = [ "title" => "#{d[geo_name]}", "url" => "##{d[geo_name]}", "data_set" => "01", "location" => { "latitude" => "#{coordinates["lat"]}","longitude" => "#{coordinates["lon"]}" }, "address" => "#{geo_coord}" ]
          data_yml = data.to_yaml
          # Add data in the YML file
          if !File.file?(path_yaml)
            File.open(path_yaml, "w") {|f| f.write(data_yml) }
          end
          if File.file?(path_yaml)
            File.open(path_yaml, 'a') { |f|
              f.puts data_yml.gsub("---", "").gsub(regEx, '')
            }
            # Load YML file => remove duplicated entries
            file_yaml = YAML.load(File.open(path_yaml)).uniq { |s| s.first }
            File.open(path_yaml, "w") {|f| f.write(file_yaml.to_yaml) }
          end
        end
      end
    end

    # JSON output :: Test if a JSON file exists for performance issues
    if !outputfile && !File.file?("#{data_source}/#{d[geo_name]}.json")
      site.data[geo_name_field] = request_service(geo_request)
      #Create a JSON  files if cache is enabled
      if site.config['jekyll_geocode']['cache']
        path_json = "#{data_source}/#{geo_name_field}.json"
        open(path_json, 'wb') do |file|
          file << JSON.generate(site.data[geo_name_field])
        end
      end
    end
  end
end

#request_service(url) ⇒ Object 



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# File 'lib/jekyll_geocode.rb', line 12

def request_service(url)
  JSON.load(open(URI.encode(url)))
end