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 send_html(self, html: str, code: int = 200):
  26         """Send HTML as proper HTTP response."""
  27         self.send_response(code)
  28         self.end_headers()
  29         self.wfile.write(bytes(html, 'utf-8'))
  30
  31     def send_msg(self, msg: str, code: int = 400):
  32         """Send message in HTML formatting as HTTP response."""
  33         html = self.server.jinja.get_template('msg.html').render(msg=msg)
  34         self.send_html(html, code)
  35
  36     def do_GET(self):
  37         """Handle any GET request."""
  38         try:
  39             conn = DatabaseConnection(self.server.db)
  40             parsed_url = urlparse(self.path)
  41             site = path_split(parsed_url.path)[1]
  42             params = parse_qs(parsed_url.query)
  43             if 'calendar' == site:
  44                 html = self.do_GET_calendar(conn)
  45             elif 'day' == site:
  46                 date = params.get('date', ['2024-01-01'])[0]
  47                 html = self.do_GET_day(conn, date)
  48             else:
  49                 raise HandledException('Test!')
  50             conn.commit()
  51             conn.close()
  52             self.send_html(html)
  53         except HandledException as error:
  54             self.send_msg(error)
  55
  56     def do_GET_calendar(self, conn: DatabaseConnection):
  57         """Show Days."""
  58         return self.server.jinja.get_template('calendar.html').render(
  59                 days=Day.all(conn))
  60
  61     def do_GET_day(self, conn: DatabaseConnection, date: str):
  62         """Show single Day."""
  63         day = Day.by_date(conn, date)
  64         return self.server.jinja.get_template('day.html').render(day=day)