contrib/nitiwiki/src/wiki_edit.nit

   1 import nitcorn
   2 import markdown
   3
   4 fun html_document(body: String): String do
   5     return """
   6         <!DOCTYPE html>
   7         <head>
   8             <meta charset="utf-8">
   9             <title>Nitiwiki Edit</title>
  10         </head>
  11         <body>
  12           """ + body + """
  13         </body>
  14         </html>"""
  15 end
  16
  17 class EditMarkdownAction
  18     super Action
  19
  20     redef fun answer(http_request, turi)
  21     do
  22         var response = new HttpResponse(200)
  23         var file_path = turi.substring(1, turi.length)
  24         var md_file = new FileReader.open(file_path)
  25         response.body = html_document("""
  26             <form method="POST" action="/preview">
  27               You may edit the file. When you are done, click on "Submit".<br/>
  28               <textarea name="content" rows="30" cols="80" style="font-family: Courier">""" + md_file.read_all + """</textarea><br/>
  29               <input type="submit" name="action" value="Preview">
  30               <input type="submit" name="action" value="Submit">
  31               <input type="hidden" name="filepath" value="""" + file_path + """">
  32             </form>""")
  33         md_file.close
  34         return response
  35     end
  36 end
  37
  38 class PreviewMarkdown2HTMLAction
  39     super Action
  40
  41     redef fun answer(http_request, turi)
  42     do
  43         var response = new HttpResponse(200)
  44         var content = http_request.post_args["content"]
  45         var action = http_request.post_args["action"]
  46         var file_path = http_request.post_args["filepath"]
  47         if action == "Preview" then
  48             response.body = html_document("""
  49                 <p>
  50                 """ + content.md_to_html.to_s + """
  51                 </p>
  52             """)
  53         else if action == "Submit" then
  54             var md_file = new FileWriter.open(file_path)
  55             md_file.write(content)
  56             response.body = html_document("""
  57                 <p>Updated file!</p>
  58             """)
  59             md_file.close
  60         end
  61         return response
  62     end
  63 end
  64
  65 var vh = new VirtualHost("localhost:8080")
  66
  67 # Serve Markdown editing
  68 vh.routes.add new Route("/edit", new EditMarkdownAction)
  69 vh.routes.add new Route("/preview", new PreviewMarkdown2HTMLAction)
  70
  71 # Serve everything else with a standard `FileServer`
  72 vh.routes.add new Route(null, new FileServer("/var/www/"))
  73
  74 var factory = new HttpFactory.and_libevent
  75 factory.config.virtual_hosts.add vh
  76 factory.run