server.py

# Inspired by https://pythonbasics.org/webserver/
from http.server import BaseHTTPRequestHandler, HTTPServer
import time

hostName = '0.0.0.0'
serverPort = 1337

db = {
  'katrine-marie' : '[{"height":400,"blocks":[{"type":"Calendar","width":75},{"type":"ActiveCourses","width":25}]},{"height":250,"blocks":[{"type":"Deadlines","width":100}]},{"height":300,"blocks":[{"type":"Feed","width":50},{"type":"Mail","width":25},{"type":"Mail","width":25}]}]',
  'isaac' : '[{"height":400,"blocks":[{"type":"Calendar","width":75},{"type":"ActiveCourses","width":25}]},{"height":250,"blocks":[{"type":"Deadlines","width":100}]},{"height":300,"blocks":[{"type":"Feed","width":50},{"type":"Mail","width":25},{"type":"Mail","width":25}]}]'
}

class MyServer(BaseHTTPRequestHandler):
  def _set_ok_headers(self):
    self.send_response(200)
    self.send_header('Content-type', 'text/html')
    self.end_headers()
  
  def _set_err_headers(self):
    self.send_response(500)
    self.send_header('Content-type', 'text/html')
    self.end_headers()
    
  def handle_load_layout(self, id):
    if id in db:
      self._set_ok_headers()
      self.wfile.write(bytes(db[id], 'utf-8'))
    else:
      self._set_err_headers()
      self.wfile.write(bytes('Error: Could not find id ' + str(id), 'utf-8'))

  def handle_save_layout(self, id, data):
    db[id] = data.replace('%22', '"')

    self._set_ok_headers()

  def do_GET(self):
    # remove '/?' from path
    query = self.path[2:]
    fields = dict(f.split("=") for f in query.split("&"))

    if fields['type'] == "load":
      self.handle_load_layout(fields['id'])

    elif fields['type'] == "save":
      self.handle_save_layout(fields['id'], fields['data'])

    else:
      self._set_err_headers()
      self.wfile.write(bytes('Request type not supported', 'utf-8'))

if __name__ == '__main__':        
  webServer = HTTPServer((hostName, serverPort), MyServer)
  print('Server started http://%s:%s' % (hostName, serverPort))

  try:
    webServer.serve_forever()
  except KeyboardInterrupt:
    pass

  webServer.server_close()
  print('Server stopped.')