teambox/viper-module-generator

module Vipergen
    # File manager class
    class FileManager

        # Returns if the template is valid by the VIPER generator 
        def self.is_template_valid(template)
            return Vipergen::TemplateManager.templates.include? template
        end

        # Returns if the language is valid by the VIPER generator
        def self.is_language_valid(language)
            return (Vipergen::Generator::LANGUAGES).include? language
        end

        # Return the path if valid template and language
        # @return String with valid path 
        def self.path_from(template, language)
            return nil if !is_language_valid(language) || !is_template_valid(template)
            return File.join(Vipergen::TemplateManager.templates_dir, template, language)
        end

        # Returns an array with files in a given path
        # @return Array with the files in a given path
        def self.files_in_path(path)
            return Dir[File.join("#{path}","/**/*")].select {|f| File.file?(f)}
        end

        # Returns the destination viper path 
        # @return Destination root path
        def self.destination_viper_path(path, name)
            expand_path = File.expand_path(path)
            return File.join(expand_path,name)
        end

        # Copy a system item to another place
        def self.copy(from, to)
            to_expand_path = File.expand_path(to)
            from_expand_path = File.expand_path(from)
            FileUtils.mkdir_p (to_expand_path)
            FileUtils.copy_entry(from_expand_path, to_expand_path)    
        end

        # Move a system item to another place
        def self.move(from, to)
            to_expand_path = File.expand_path(to)
            from_expand_path = File.expand_path(from)
            FileUtils.move(from_expand_path, to_expand_path)
        end

    end
end