Class: WorldDB::Runner

Inherits:
Object
  • Object
show all
Includes:
Models
Defined in:
lib/worlddb/cli/runner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/worlddb/cli/runner.rb', line 8

def initialize
  @logger = Logger.new(STDOUT)
  @logger.level = Logger::INFO

  @opts    = Opts.new
end

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/worlddb/cli/runner.rb', line 15

def logger
  @logger
end

#opts ⇒ Object (readonly)

Returns the value of attribute opts.



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# File 'lib/worlddb/cli/runner.rb', line 15

def opts
  @opts
end

Instance Method Details

#run(args) ⇒ Object 



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# File 'lib/worlddb/cli/runner.rb', line 18

def run( args )
  opt=OptionParser.new do |cmd|
  
    cmd.banner = "Usage: worlddb [options]"

    ## NB: reserve -c for use with -c/--config
    cmd.on( '--create', 'Create DB schema' ) { opts.create = true }
    cmd.on( '--setup',  "Create DB schema 'n' load builtin world data" ) { opts.setup = true }

    ### todo: in future allow multiple search path??
    cmd.on( '-i', '--include PATH', "Data path (default is #{opts.data_path})" ) { |path| opts.data_path = path }

    cmd.on( '--country KEY', "Default country for regions 'n' cities" ) { |key| opts.country = key; }

    ## todo: add (generic) alias -t/--type cities for --cities
    ##                           -t/--type regions for --regions
    ##                           -t/--type countries for --countries  --why? why not?
    
    cmd.on( '--countries', 'Use country plain text fixture reader' ) { opts.countries = true }
    cmd.on( '--regions',   'Use regions plain text fixture reader' ) { opts.regions   = true }
    cmd.on( '--cities',    'Use cities  plain text fixture reader' ) { opts.cities    = true }

    ## todo: change to --builtin?? more clear why? why not?
    cmd.on( '--load', 'Use loader for builtin world data' ) { opts.load = true }
    
    cmd.on( '--delete', 'Delete all records' ) { opts.delete = true }

    cmd.on( '-v', '--version', "Show version" ) do
      puts WorldDB.banner
      exit
    end

    cmd.on( "--verbose", "Show debug trace" )  do
      logger.datetime_format = "%H:%H:%S"
      logger.level = Logger::DEBUG
      
      ActiveRecord::Base.logger = Logger.new(STDOUT)
    end

    cmd.on_tail( "-h", "--help", "Show this message" ) do
      puts <<EOS

worlddb - world.db command line tool, version #{VERSION}

#{cmd.help}

Examples:
  worlddb at/cities                      # import austrian cities
  worlddb --create                       # create database schema

More Examples:
  worlddb                                # show stats (table counts, table props)

Further information:
http://geraldb.github.com/world.db

EOS
      exit
    end
  end

  opt.parse!( args )

  puts WorldDB.banner

  puts "working directory: #{Dir.pwd}"
 
  db_config = {
    adapter:  'sqlite3',
    database: "#{opts.output_path}/world.db"
  }

  puts "Connecting to db using settings: "
  pp db_config

  ActiveRecord::Base.establish_connection( db_config )
  
  if opts.setup?
    WorldDB.create
    WorldDB.read_all
  else
    WorldDB.create   if opts.create?
    WorldDB.delete!  if opts.delete?

    if opts.countries? || opts.regions? || opts.cities?
      Reader.new( logger ).run( opts, args )  # load/read plain text country/region/city fixtures
    else
      Loader.new( logger ).run( opts, args ) # load ruby fixtures
    end
  end

  WorldDB.stats
  
  puts 'Done.'
  
end