Class: Home

Inherits:
Object
  • Object
show all
Defined in:
lib/quartz_flow/home.rb

Overview

Class used to setup a new QuartzFlow home directory, and get information about it.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dir = ".") ⇒ Home

Returns a new instance of Home.



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# File 'lib/quartz_flow/home.rb', line 6

def initialize(dir = ".")
  @dir = dir

  @subdirs = [
    "etc",
    "log",
    "download",
    "meta",
    "public",
    "db",
    "views",
    "plugins",
  ]

  @installRoot = Home.determineAppRoot("quartz_flow")
end

Class Method Details

.determineAppRoot(gemname) ⇒ Object 



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# File 'lib/quartz_flow/home.rb', line 70

def self.determineAppRoot(gemname)
  # Are we running as a Gem, or from the source directory?
  if Gem.loaded_specs[gemname]
    Gem.loaded_specs[gemname].full_gem_path
  else
    "."
  end
end

Instance Method Details

#setup ⇒ Object 



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# File 'lib/quartz_flow/home.rb', line 36

def setup
  @subdirs.each do |subdir|
    if File.directory?(subdir)
      puts "Directory #{subdir} already exists. Skipping creation."
    else
      installedPath = @installRoot + File::SEPARATOR + subdir 
      if File.directory? installedPath
        FileUtils.cp_r installedPath, @dir
        puts "Copying #{subdir}"
      else
        FileUtils.mkdir @dir + File::SEPARATOR + subdir
        puts "Creating #{subdir}"
      end
    end
  end

  # Create database
  dbFile = "#{File.expand_path(@dir)}/db/quartz.sqlite"
  if ! File.exists?(dbFile)
    puts "Creating database file"
    path = "sqlite://#{File.expand_path(@dir)}/db/quartz.sqlite"
    DataMapper.setup(:default, path)
    DataMapper.auto_migrate!
  else
    puts "Database file already exists. Running upgrade."
    path = "sqlite://#{File.expand_path(@dir)}/db/quartz.sqlite"
    DataMapper.setup(:default, path)
    DataMapper.auto_upgrade!
  end

  # Install plugins.
  setupPlugins
end

#validate ⇒ Object 



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# File 'lib/quartz_flow/home.rb', line 23

def validate
  rc = true
  @subdirs.each do |subdir|
    path = File.join(@dir, subdir)
    if ! File.directory?(path)
      puts "Error: The home directory is invalid: the subdirectory #{subdir} doesn't exist under the home directory. Was the setup command run?"
      rc = false
      break
    end
  end
  rc
end