Class: FreeZipcodeData::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/free_zipcode_data/runner.rb

Overview

rubocop:disable Metrics/ClassLength

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/free_zipcode_data/runner.rb', line 21

def initialize
  @logger = Logger.instance
end

Instance Attribute Details

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/free_zipcode_data/runner.rb', line 14

def logger
  @logger
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/free_zipcode_data/runner.rb', line 14

def options
  @options
end

Class Method Details

.instance ⇒ Object

Make a singleton but allow the class to be instantiated for easier testing



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# File 'lib/free_zipcode_data/runner.rb', line 17

def self.instance
  @instance || new
end

Instance Method Details

#start ⇒ Object 



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# File 'lib/free_zipcode_data/runner.rb', line 25

def start
  start_time = Time.now
  opt = FreeZipcodeData::Options.instance
  opt.initialize_hash(collect_args)
  @options = opt.hash

  logger.info("Starting FreeZipcodeData v#{VERSION}...".green)

  datasource = DataSource.new(options.country)
  datasource.download

  db_file = File.join(options.work_dir, 'free_zipcode_data.sqlite3')
  database = SqliteRam.new(db_file)

  line_count = datasource_line_count(datasource.datafile)
  configure_meta(database.conn, line_count)

  %i[country state county zipcode].each { |t| initialize_table(t, database) }

  extract_transform_load(datasource, database)

  logger.info("Saving database to disk '#{db_file}'...")
  database.save_to_disk

  if options.generate_files
    logger.info('Generating .csv files...')
    database.dump_tables(options.work_dir)
  end

  elapsed = Time.at(Time.now - start_time).utc.strftime('%H:%M:%S')
  logger.info("Processed #{line_count} zipcodes in [#{elapsed}].".yellow)
end