Contents

module AppConfig
  module FlickrSearch
    def self.options(config)
      config['flickr'].each do |key, val|
        const_set(key, val)
      end
    end

    def search_and_save_flickr_image(text)
      uri = URI(search_flickr_for(text))
      download_and_write_to_file uri
    end

    def search_flickr_for(search_term)
      response_body = build_query_for(search_term).read_body
      response_data = response_body.to_s.match(/\[([^\}]+)\}/)[0]
                      .sub(/^\[/, '')
      json_response = JSON.parse response_data
      construct_image_url_from json_response
    rescue JSON::ParserError
      puts "\nJSON Parser Error Detected. Retrying ..."
      search_flickr_for(new_word)
    end

    def image_list
      Dir[TEMP_DIR + '/*']
    end

    private

    def download_and_write_to_file(uri)
      Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
        filepath = File.join(TEMP_DIR, File.basename(uri.path))
        open(filepath, 'wb') do |file|
          file.write http.get(uri).read_body
          file.close
        end
      end
    rescue URI::InvalidURIError
      puts 'URI::InvalidURIError Detected'
    end

    def build_query_for(word)
      uri = uri_for word
      Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
        request = Net::HTTP::Get.new uri
        http.request request
      end
    end

    def uri_for(search_text)
      URI(
        uri_builder(
          url: API_URL, format: API_FORMAT, sort: API_SORT,
          method: API_METHOD, text: search_text,
          tag_mode: :all, api_key: API_KEY
        )
      )
    end

    def uri_builder(params = {})
      url = params[:url]
      params.reject! { |k, _| k == :url }
      url + params.each_pair.map { |k, v| "#{k}=#{v}" }.join('&')
    end

    def construct_image_url_from(json)
      <<-URL.gsub(/\s+/, '').strip
         https://farm#{json['farm']}.staticflickr.com/
         #{json['server']}/#{json['id']}_#{json['secret']}.jpg
      URL
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
flickr_collager-0.0.1	lib/app_config/flickr_search.rb