class HocusPocus::Editor::Middleware

Public Class Methods

new(app) click to toggle source
# File engines/editor/lib/hocus_pocus/editor/middleware.rb, line 8
def initialize(app)
  @app = app
end

Public Instance Methods

call(env) click to toggle source
# File engines/editor/lib/hocus_pocus/editor/middleware.rb, line 12
def call(env)
  status, headers, body = @app.call env

  if headers && headers['Content-Type']&.include?('text/html') && (env['REQUEST_PATH'] !~ %r[^/*hocus_pocus/])
    case body
    when ActionDispatch::Response, ActionDispatch::Response::RackBody
      body = body.body
    when Array
      body = body[0]
    end

    if Thread.current[HocusPocus::Editor::VIEW_FILENAME]
      body.sub!(/<div id="#{HocusPocus::CONTAINER}" .*?>/i) { %Q[#{$~}#{edit_link}#{partials}] }
      Thread.current[HocusPocus::Editor::VIEW_FILENAME] = nil
    end

    body.sub!(/<\/head>/i) { %Q[<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script></head>] } unless body =~ /jquery(\.min)?\.js/

    [status, headers, [body]]
  else
    [status, headers, body]
  end
end

Private Instance Methods

partials() click to toggle source
# File engines/editor/lib/hocus_pocus/editor/middleware.rb, line 41
def partials
  %Q[<div class="partials" style="display:none">#{(Thread.current[HocusPocus::Editor::PARTIAL_FILENAMES] || []).map(&:virtual_path).map {|v| '<a href="/hocus_pocus/editor?template=' + v + '" data-remote="true" class="partials">' + v + '</a>'}.join('')}</div>]
end