teambox/viper-module-generator

require 'yaml'
module Vipergen
    class TemplateManager

        # Returns the templates dir
        def self.templates_dir
          t = "#{Gem.dir}/gems/#{Vipergen::NAME}-#{Vipergen::VERSION}/lib/templates"
        end

        # Get the available templates paths
        # @return Array[String] with available templates paths
        def self.templates_paths()
            template_dir = Vipergen::TemplateManager.templates_dir
            return Vipergen::DirUtils.directories_in(template_dir)
        end

        # Get the templates names
        # @return Array[String] with templates names (got from the folder)
        def self.templates()
            templates_paths.map{|template_path| template_name_from_path(template_path)}
        end

        # Returns the template name from a given template_path
        # @return String with the template name
        def self.template_name_from_path(template_path)
            return template_path.split("/").last
        end

        # Returns the description of all the templates available
        # @return String with the entire description
        def self.templates_description()
            description = "\nAvailable templates \n"
            description += "------------------- \n"
            self.templates_paths.each do |template_path|
                description += "> #{template_description(template_path)} \n"
            end
            return description
        end

        # Returns the description of a given template
        # @param template String with the template path whose description is going to be returned
        # @return String with the template description
        def self.template_description(template_path)
            template_description = ""

            # Reading yaml
            template_content = YAML.load_file(File.join(template_path,'viperspec.yml'))

            # Generating string
            template_description+= "| #{template_name_from_path(template_path)} by #{template_content["author"]} |: #{template_content["template_description"]}"
        end
    end
end