plomlompom.com Git - plomtask/blob - plomtask/http.py

   1 """Web server stuff."""
   2 from http.server import BaseHTTPRequestHandler
   3 from http.server import HTTPServer
   4 from urllib.parse import urlparse, parse_qs
   5 from os.path import split as path_split
   6 from jinja2 import Environment as JinjaEnv, FileSystemLoader as JinjaFSLoader
   7 from plomtask.days import Day
   8 from plomtask.misc import HandledException
   9 from plomtask.db import DatabaseConnection
  10
  11
  12 class TaskServer(HTTPServer):
  13     """Variant of HTTPServer that knows .jinja as Jinja Environment."""
  14
  15     def __init__(self, templates_dir, db_file, *args, **kwargs):
  16         super().__init__(*args, **kwargs)
  17         self.db = db_file
  18         self.jinja = JinjaEnv(loader=JinjaFSLoader(templates_dir))
  19
  20
  21 class TaskHandler(BaseHTTPRequestHandler):
  22     """Handles single HTTP request."""
  23     server: TaskServer
  24
  25     def do_GET(self):
  26         """Handle any GET request."""
  27         try:
  28             conn = DatabaseConnection(self.server.db)
  29             parsed_url = urlparse(self.path)
  30             site = path_split(parsed_url.path)[1]
  31             params = parse_qs(parsed_url.query)
  32             if 'calendar' == site:
  33                 html = self.do_GET_calendar(conn)
  34             elif 'day' == site:
  35                 date = params.get('date', ['2024-01-01'])[0]
  36                 html = self.do_GET_day(conn, date)
  37             else:
  38                 raise HandledException('Test!')
  39             conn.commit()
  40             conn.close()
  41             self._send_html(html)
  42         except HandledException as error:
  43             self._send_msg(error)
  44
  45     def do_GET_calendar(self, conn: DatabaseConnection):
  46         """Show Days."""
  47         return self.server.jinja.get_template('calendar.html').render(
  48                 days=Day.all(conn))
  49
  50     def do_GET_day(self, conn: DatabaseConnection, date: str):
  51         """Show single Day."""
  52         day = Day.by_date(conn, date)
  53         return self.server.jinja.get_template('day.html').render(day=day)
  54
  55     def _send_html(self, html: str, code: int = 200):
  56         """Send HTML as proper HTTP response."""
  57         self.send_response(code)
  58         self.end_headers()
  59         self.wfile.write(bytes(html, 'utf-8'))
  60
  61     def _send_msg(self, msg: str, code: int = 400):
  62         """Send message in HTML formatting as HTTP response."""
  63         html = self.server.jinja.get_template('msg.html').render(msg=msg)
  64         self._send_html(html, code)