Module: Lookbook::TargetableConcern

Extended by:
ActiveSupport::Concern
Included in:
InspectorController, PreviewsController
Defined in:
app/controllers/concerns/lookbook/targetable_concern.rb

Instance Method Summary collapse

Instance Method Details

#inspector_data ⇒ Object 



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# File 'app/controllers/concerns/lookbook/targetable_concern.rb', line 97

def inspector_data
  return @inspector_data if @inspector_data.present?

  context_data = {
    preview_params: @preview_params,
    path: params[:path]
  }

  preview = @preview
  target_examples = @target.type == :group ? @target.examples : [@target]

  examples = target_examples.map do |example|
    render_args = @preview.render_args(example.name, params: preview_controller.params)
    has_template = render_args[:template] != "view_components/preview"
    output = preview_controller.process(:render_example_to_string, @preview, example.name)
    source = has_template ? example.template_source(render_args[:template]) : example.method_source
    source_lang = has_template ? example.template_lang(render_args[:template]) : example.lang

    example.define_singleton_method(:output, proc { output })
    example.define_singleton_method(:source, proc { source })
    example.define_singleton_method(:source_lang, proc { source_lang })
    example
  end

  target = @target.type == :group ? @target : examples.find { |e| e.lookup_path == @target.lookup_path }

  params_ref = @params
  preview.define_singleton_method(:params, proc { params_ref })

  @inspector_data ||= Lookbook::Store.new({
    context: context_data,
    preview: preview,
    examples: examples,
    example: examples.first,
    target: target,
    data: Lookbook.data,
    app: Lookbook
  })
end

#lookup_entities ⇒ Object 



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# File 'app/controllers/concerns/lookbook/targetable_concern.rb', line 16

def lookup_entities
  @target = Lookbook.previews.find_example(params[:path])
  if @target.present?
    @preview = @target.preview
    if params[:path] == @preview&.lookup_path
      redirect_to lookbook_inspect_path "#{params[:path]}/#{@preview.default_example.name}"
    end
  else
    @preview = Lookbook.previews.find(params[:path])
    if @preview.present?
      first_example = @preview.examples.first
      redirect_to lookbook_inspect_path(first_example.lookup_path) if first_example
    else
      @preview = Lookbook.previews.find(path_segments.slice(0, path_segments.size - 1).join("/"))
    end
  end
end

#path_segments ⇒ Object 



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# File 'app/controllers/concerns/lookbook/targetable_concern.rb', line 152

def path_segments
  params[:path].split("/")
end

#set_display_options ⇒ Object 



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# File 'app/controllers/concerns/lookbook/targetable_concern.rb', line 34

def set_display_options
  @dynamic_display_options = []
  @static_display_options = []

  if @target.present?
    opts = @target.display_options
    @dynamic_display_options = opts.select { _2.is_a?(Array) || _2.is_a?(Hash) }
    @static_display_options = opts.except(*@dynamic_display_options.keys)

    if params[:_display]
      display_params = SearchParamParser.call(params[:_display])
      display_params.each do |name, value|
        if @dynamic_display_options.key?(name)
          cookies["lookbook-display-#{name}"] = value
        end
      end
    end

    @dynamic_display_options.each do |name, opts|
      choices = opts.is_a?(Hash) ? opts[:choices].to_a : opts
      @static_display_options[name] ||= cookies.fetch("lookbook-display-#{name}", choices.first)
    end

    unless params[:_display]
      display_params = @dynamic_display_options.map do |name, opts|
        [name, @static_display_options[name]]
      end.to_h
      request.query_parameters[:_display] = SearchParamBuilder.call(display_params)
    end
  end
end

#set_params ⇒ Object 



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# File 'app/controllers/concerns/lookbook/targetable_concern.rb', line 66

def set_params
  @params = []

  if @target
    @params = @target.tags("param").map do |param_tag|
      Param.from_tag(
        param_tag,
        value: preview_controller.params[param_tag.name]
      )
    end

    # cast known param values to correct type
    @params.each do |param|
      if preview_controller.params.key?(param.name)
        preview_controller.params[param.name] = param.cast_value
      end
    end

    # set display and data params for use in preview layouts
    preview_controller.params[:lookbook] = {
      display: @static_display_options,
      data: Lookbook.data
    }
  end

  preview_controller.params.permit!
  @preview_params = preview_controller.params.to_h.select do |key, value|
    !!@params.find { |param_tag| param_tag.name == key.to_s }
  end
end

#set_title ⇒ Object 



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# File 'app/controllers/concerns/lookbook/targetable_concern.rb', line 12

def set_title
  @title = @target.present? ? [@target&.label, @preview&.label].compact.join(" :: ") : "Not found"
end

#show_404(layout: nil) ⇒ Object 



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# File 'app/controllers/concerns/lookbook/targetable_concern.rb', line 137

def show_404(layout: nil)
  locals = if @preview
    {
      message: "Example not found",
      description: "The '#{@preview.label}' preview does not have an example named '#{path_segments.last}'."
    }
  else
    {
      message: "Not found",
      description: "Looked for '#{params[:path]}'.<br>The preview may have been renamed or deleted."
    }
  end
  render_in_layout "lookbook/404", layout: layout, **locals
end