Class: CDQ::Generator

Inherits:
Object
  • Object
show all
Defined in:
lib/cdq/generators.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = nil) ⇒ Generator

Returns a new instance of Generator.



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# File 'lib/cdq/generators.rb', line 6

def initialize(options = nil)
  @dry_run = true if options == 'dry_run'
end

Instance Method Details

#create(template, name = nil) ⇒ Object 



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# File 'lib/cdq/generators.rb', line 10

def create(template, name = nil)
  insert_from_template(template, name)
end

#insert_from_template(template_name, name = nil) ⇒ Object 



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# File 'lib/cdq/generators.rb', line 32

def insert_from_template(template_name, name = nil)
  puts "\n     Creating #{template_name}: #{name}\n\n"

  return unless (@template_path = template_path(template_name))
  files = Dir["#{@template_path}**/*"].select {|f| !File.directory? f}

  if name
    @name = name
    @name_camel_case = @name.split('_').map{|word| word.capitalize}.join
  end

  files.each do |template_file_path_and_name|
    @in_app_path = File.dirname(template_file_path_and_name).gsub(@template_path, '')
    @ext = File.extname(template_file_path_and_name)
    @file_name = File.basename(template_file_path_and_name, @ext)

    @new_file_name = @file_name.gsub('name', @name || 'name')
    @new_file_path_name = "#{Dir.pwd}/#{@in_app_path}/#{@new_file_name}#{@ext}"

    if @dry_run
      puts "\n     Instance vars:"
      self.instance_variables.each{|var| puts "     #{var} = #{self.instance_variable_get(var)}"}
      puts
    end

    if Dir.exist?(@in_app_path)
      puts "     Using existing directory: #{@in_app_path}"
    else
      puts "  \u0394  Creating directory: #{@in_app_path}"
      FileUtils.mkdir_p(@in_app_path) unless @dry_run
    end

    results = load_and_parse_erb(template_file_path_and_name)

    if File.exists?(@new_file_path_name)
      puts "  X  File exists, SKIPPING: #{@new_file_path_name}"
    else
      puts "  \u0394  Creating file: #{@new_file_path_name}"
      File.open(@new_file_path_name, 'w+') { |file| file.write(results) } unless @dry_run
    end
  end

  puts "\n     Done"
end

#load_and_parse_erb(template_file_name_and_path) ⇒ Object 



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# File 'lib/cdq/generators.rb', line 77

def load_and_parse_erb(template_file_name_and_path)
  template_file = File.open(template_file_name_and_path, 'r').read
  erb = ERB.new(template_file)
  erb.result(binding)
end

#template_path(template_name) ⇒ Object 



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# File 'lib/cdq/generators.rb', line 14

def template_path(template_name)
  sub_path = "templates/#{template_name}/"

  # First check local directory, use that if it exists
  if Dir.exist?("#{Dir.pwd}/#{sub_path}")
    "#{Dir.pwd}/#{sub_path}"
  else # Then check the gem
    begin
      spec = Gem::Specification.find_by_name("cdq")
      gem_root = spec.gem_dir
      "#{gem_root}/#{sub_path}"
    rescue Exception => e
      puts "CDQ - could not find template directory\n"
      nil
    end
  end
end