Class: Generators::Avo::ToolGenerator

Inherits:
BaseGenerator
  • Object
show all
Defined in:
lib/generators/avo/tool_generator.rb

Instance Method Summary collapse

Methods inherited from BaseGenerator

#initialize

Constructor Details

This class inherits a constructor from Generators::Avo::BaseGenerator

Instance Method Details

#handle ⇒ Object 



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# File 'lib/generators/avo/tool_generator.rb', line 13

def handle
  # Sidebar items
  template "tool/sidebar_item.tt", "app/views/avo/sidebar/items/_#{file_name}.html.erb"

  # Add controller if it doesn't exist
  controller_path = "app/controllers/avo/tools_controller.rb"
  unless File.file?(Rails.root.join(controller_path))
    template "tool/controller.tt", controller_path
  end

  # Add controller method
  inject_into_class controller_path, "Avo::ToolsController" do
    <<-METHOD
  def #{file_name}
    @page_title = "#{human_name}"
    add_breadcrumb title: "#{human_name}"
  end
    METHOD
  end

  # Add view file
  template "tool/view.tt", "app/views/avo/tools/#{file_name}.html.erb"

  # Add the route inside the `mount_avo` block so it gets the `avo.#{file_name}_path` helper.
  # If `mount_avo` is a one-liner, turn it into a block. If it's already a block, inject into it.
  # If there's no `mount_avo` (or the line can't be safely rewritten), fall back to a
  # standalone Avo engine routes block.
  routes_path = "config/routes.rb"
  routes_content = File.read(Rails.root.join(routes_path))
  route_definition = "get \"#{file_name}\", to: \"tools##{file_name}\", as: :#{file_name}"
  mount_avo_line = routes_content.lines.find { |line| line.match?(/^[ \t]*mount_avo\b/) }
  mount_avo = mount_avo_line && analyze_routes_line(mount_avo_line)

  if mount_avo && mount_avo[:block]
    # `mount_avo do` is already a block → inject the route as its first line.
    indent = mount_avo_line[/^[ \t]*/] + "  "
    inject_into_file routes_path, after: /^[ \t]*mount_avo\b.*\n/ do
      "#{indent}#{route_definition}\n"
    end
  elsif mount_avo && mount_avo[:complete]
    # `mount_avo` one-liner → wrap it into a block around the new route.
    indent = mount_avo_line[/^[ \t]*/]
    inner = indent + "  "
    gsub_file routes_path, /^[ \t]*mount_avo\b.*$/ do |line|
      code, comment = analyze_routes_line(line).values_at(:code, :comment)
      trailing = comment.empty? ? "" : " #{comment}"
      "#{code.rstrip} do#{trailing}\n#{inner}#{route_definition}\n#{indent}end"
    end
  else
    # No `mount_avo`, or a line we can't safely rewrite (multi-line call, unterminated
    # string) → fall back to a standalone Avo engine routes block.
    append_to_file routes_path, <<~ROUTE

      if defined? ::Avo
        Avo::Engine.routes.draw do
          #{route_definition}
        end
      end
    ROUTE
  end

  # Restart the server so the new routes go into effect.
  Rails::Command.invoke "restart"
end