Class: Rdm::Handlers::TemplateHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/rdm/handlers/template_handler.rb

Constant Summary collapse

REJECTED_TEMPLATE_FILES = 
%W(.DS_Store)
NOT_HANDLED_TEMPLATES_EXT = 
%W(.erb)

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(template_name:, local_path:, current_path:, locals:, ignore_source_file:, stdout:, stdin:) ⇒ TemplateHandler

Returns a new instance of TemplateHandler.



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# File 'lib/rdm/handlers/template_handler.rb', line 26

def initialize(template_name:, local_path:, current_path:,  
               locals:, ignore_source_file:, stdout:, stdin:)

  @template_name      = template_name
  @local_path         = local_path
  @current_path       = current_path
  @ignore_source_file = ignore_source_file
  @missing_variables  = []
  @stdout             = stdout
  @stdin              = stdin

  default_locals     = { package_subdir_name: Rdm.settings.send(:package_subdir_name) }
  @locals            = default_locals.merge(locals)
end

Class Method Details

.generate(template_name:, local_path:, current_path:, locals: {}, ignore_source_file: false, stdout: STDOUT, stdin: STDIN) ⇒ Object 



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# File 'lib/rdm/handlers/template_handler.rb', line 11

def generate(template_name:, local_path:, current_path:, locals: {}, 
             ignore_source_file: false, stdout: STDOUT, stdin: STDIN)

  Rdm::Handlers::TemplateHandler.new(
    template_name:      template_name.to_s, 
    local_path:         local_path, 
    current_path:       current_path, 
    ignore_source_file: ignore_source_file,
    locals:             locals,
    stdout:             stdout,
    stdin:              stdin
  ).generate
end

Instance Method Details

#generate ⇒ Object 



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# File 'lib/rdm/handlers/template_handler.rb', line 41

def generate
  project_path      = @ignore_source_file ? @current_path : File.dirname(Rdm::SourceLocator.locate(@current_path))
  template_detector = Rdm::Templates::TemplateDetector.new(project_path)

  render_helper_path = "#{project_path}/.rdm/helpers/render_helper.rb"
  require_relative File.expand_path(render_helper_path) if File.exist?(render_helper_path)

  @template_directory    = template_detector.detect_template_folder(@template_name)
  @destination_directory = File.join(project_path, @local_path)

  template_files_list = Dir
    .glob(File.join(@template_directory, '**', '*'), File::FNM_DOTMATCH)
    .reject { |path| REJECTED_TEMPLATE_FILES.include? File.basename(path)  }

  template_files_list.each do |path|
    @missing_variables.concat(
      Rdm::Templates::TemplateRenderer.get_undefined_variables(get_destination_path(path), @locals)
    ) 

    if handle_file_content?(path)
      @missing_variables.concat(
        Rdm::Templates::TemplateRenderer.get_undefined_variables(File.read(path), @locals)
      ) 
    end
  end

  if @missing_variables.any?
    @missing_variables.uniq!

    @stdout.puts "Undefined variables were found:"
    @missing_variables.size.times {|t| @stdout.puts "  #{t+1}. #{@missing_variables[t]}"}

    @missing_variables.each do |var|
      @stdout.print "Type value for '#{var}': "
      @locals[var] = @stdin.gets.chomp
    end
  end

  template_files_list.map! do |path|
    rendered_abs_path = Rdm::Templates::TemplateRenderer.handle(get_destination_path(path), @locals)
    rendered_rel_path = Pathname.new(rendered_abs_path).relative_path_from Pathname.new(project_path)

    if File.file?(rendered_abs_path) && File.exists?(rendered_abs_path)
      @stdout.puts "Warning! #{rendered_rel_path} already exists. Skipping file creation..."
      next
    end

    if File.directory?(path)
      FileUtils.mkdir_p rendered_abs_path
      next
    end

    rendered_file_content = handle_file_content?(path) ?
      Rdm::Templates::TemplateRenderer.handle(File.read(path), @locals) :
      File.read(path)
      
    FileUtils.mkdir_p(File.dirname(rendered_abs_path))
    File.open(rendered_abs_path, 'w') { |f| f.write rendered_file_content }

    rendered_rel_path
  end
  
  template_files_list.compact
end