Module: Venomi::Generators::Utils::InstanceMethods

Included in:
InstallGenerator, RailsAdmin
Defined in:
lib/generators/utils.rb

Constant Summary collapse

@@gemfile_path = 
"#{Rails.root.to_s}/Gemfile"

Instance Method Summary collapse

Instance Method Details

#file?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/generators/utils.rb', line 42

def file?(path)
  File.exist?(path)
end

#file_include?(path, include) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/generators/utils.rb', line 68

def file_include?(path, include)
  File.open(path, 'r') do |f|
   f.each_line do |line|
     return true if line.include? include
    end
  end
  false
end

#install_gem(gem_name, version = nil) ⇒ Object 



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# File 'lib/generators/utils.rb', line 46

def install_gem(gem_name, version = nil)
  gem = "gem '" + gem_configurename  + "'"
  gem += ( ", '~> " + version +"'") if version

  unless file_include?(@@gemfile_path, gem)
    open(@@gemfile_path, 'a') { |f| f.puts gem }
  end

  system 'bundle install'
end

#libraries_available?(*gems) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/generators/utils.rb', line 34

def libraries_available?(*gems)
    isAvailable = true
    gems.each do |gem|
      return false unless library_available?(gem)
    end
    isAvailable
end

#library_available?(gem_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/generators/utils.rb', line 25

def library_available?(gem_name)
    begin
      require gem_name
      return true
    rescue LoadError
      return false
    end
end

#replace(path, pattern, new_line) ⇒ Object 



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# File 'lib/generators/utils.rb', line 57

def replace(path, pattern, new_line)
  t_file = Tempfile.new('temp.rb')
  File.open(path, 'r') do |f|
    f.each_line do |line|
      t_file.puts (line.include? pattern)? new_line : line
    end
  end
  t_file.close
  FileUtils.mv(t_file.path, path)
end

#yes_no(question) ⇒ Object 



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# File 'lib/generators/utils.rb', line 12

def yes_no(question)
  isValid = true
  question += " [Y/N] "
  while isValid
    answer = ask(question, :yellow) do |yn|
      yn.limit = 1, yn.validate = /[yn]/i
    end
    answer.downcase!
    isValid  = (answer == "y" or answer == "n")? false : true
  end
  answer
end