Class: AppHtmlLayer

Inherits:
Object
  • Object
show all
Defined in:
lib/apphtml_layer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(apps = {}, filepath: '.', headings: false, debug: false) ⇒ AppHtmlLayer

Returns a new instance of AppHtmlLayer.



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# File 'lib/apphtml_layer.rb', line 30

def initialize(apps={}, filepath: '.', headings: false, debug: false)
  
  @apps = if apps.is_a? Hash
    apps
  else
    {apps.class.to_s.downcase.to_sym => apps}
  end
  
  @filepath, @headings, @debug = filepath, headings, debug
  
end

Instance Attribute Details

#apps ⇒ Object (readonly)

Returns the value of attribute apps.



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# File 'lib/apphtml_layer.rb', line 28

def apps
  @apps
end

Instance Method Details

#lookup(s) ⇒ Object 



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# File 'lib/apphtml_layer.rb', line 42

def lookup(s)

  if s[-1] == '/' then
    
    fp = File.join(@filepath, 'index.html')      
    
    if File.exists?(fp) then
      
      return File.read(fp)
      
    else
      
      app = path(s)
      
      if app then
        return default_index(app) 
      else
        return ['path not found', 'text/plain', '404']
      end
      
    end

  end
 
  return [s.to_s, 'text/plain'] if s =~ /^\/\w+\.\w+/

  a2 = s.split('/')
  basepath = a2[0..-2].join('/')
  uri = URI(a2[-1])

  name = a2[-1][-1] == '?' ? a2[-1] : uri.path
  puts 'name: ' + name.inspect if @debug

  if uri.query then

    h = URI.decode_www_form(uri.query).inject({}) do |r,x|
      r.merge!(x[0].to_sym => x[1])
    end

    puts ('h: ' + h.inspect).debug if @debug
    args = h[:arg] ? [h[:arg]] : h
    puts 'args: ' + args.inspect if @debug
    
  end  

  puts 's: ' + s.inspect if @debug
  app = path(basepath)
  puts 'app: ' + app.inspect if @debug
  
  if app and app.respond_to? name.to_sym then

    begin
      
      method = app.method(name.to_sym)
      
      if method.arity > 0 and  args.length <= 0 then
        
        r = "
        <form action='#{name}'>
          <input type='text' name='arg'/>
          <input type='submit'/>
        </form>"
      else
        
        puts ('args: ' + args.inspect).debug if @debug
        
        r = case args
        when Array
          method.call(*args) 
        when Hash
          args.empty? ? method.call : method.call(args)
        else
          method.call
        end
        
      end
      
      puts ('name' + name.inspect) if @debug
      
      fp = File.join(@filepath, File.basename(name) + '.html')
      puts 'fp: ' + fp.inspect if @debug
      
      content = if File.exists?(fp) then        
        render_html(fp, r)
      else

        if @headings then
          markdown = "
# #{name.capitalize}          

<div>
#{r}
</div>
"

          Kramdown::Document.new(markdown).to_html
        else
          
          r
        end


      end

    rescue
      content = ($!).inspect
    end
    
    puts ('content: ' + content.inspect).debug if @debug

    case content.class.to_s
    when "String"
      media = content.lstrip[0] == '<' ? 'html' : 'plain'
      [content, 'text/' + media]
    when "Hash"
      [content.to_json,'application/json']
    else
      [content.to_s, 'text/plain']
    end
  end

end