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, todays_date
8 from plomtask.misc import HandledException
9 from plomtask.db import DatabaseConnection
11 TEMPLATES_DIR = 'templates'
14 class TaskServer(HTTPServer):
15 """Variant of HTTPServer that knows .jinja as Jinja Environment."""
17 def __init__(self, db_file, *args, **kwargs):
18 super().__init__(*args, **kwargs)
20 self.jinja = JinjaEnv(loader=JinjaFSLoader(TEMPLATES_DIR))
23 class TaskHandler(BaseHTTPRequestHandler):
24 """Handles single HTTP request."""
28 """Handle any GET request."""
30 conn, site, params = self._init_handling()
31 if 'calendar' == site:
32 start = params.get('start', [''])[0]
33 end = params.get('end', [''])[0]
34 html = self.do_GET_calendar(conn, start, end)
36 date = params.get('date', [todays_date()])[0]
37 html = self.do_GET_day(conn, date)
39 raise HandledException('Test!')
43 except HandledException as error:
46 def do_GET_calendar(self, conn: DatabaseConnection, start: str, end: str):
48 return self.server.jinja.get_template('calendar.html').render(
49 days=Day.all(conn, date_range=(start, end)))
51 def do_GET_day(self, conn: DatabaseConnection, date: str):
52 """Show single Day."""
53 day = Day.by_date(conn, date, create=True)
54 return self.server.jinja.get_template('day.html').render(day=day)
57 """Handle any POST request."""
59 conn, site, params = self._init_handling()
60 length = int(self.headers['content-length'])
61 postvars = parse_qs(self.rfile.read(length).decode(),
64 date = params.get('date', [None])[0]
65 self.do_POST_day(conn, date, postvars)
69 except HandledException as error:
72 def do_POST_day(self, conn: DatabaseConnection, date: str, postvars: dict):
73 """Update or insert Day of date and fields defined in postvars."""
74 comment = postvars['comment'][0]
75 day = Day.by_date(conn, date, create=True)
79 def _init_handling(self):
80 conn = DatabaseConnection(self.server.db)
81 parsed_url = urlparse(self.path)
82 site = path_split(parsed_url.path)[1]
83 params = parse_qs(parsed_url.query)
84 return conn, site, params
86 def _redirect(self, target: str):
87 self.send_response(302)
88 self.send_header('Location', target)
91 def _send_html(self, html: str, code: int = 200):
92 """Send HTML as proper HTTP response."""
93 self.send_response(code)
95 self.wfile.write(bytes(html, 'utf-8'))
97 def _send_msg(self, msg: str, code: int = 400):
98 """Send message in HTML formatting as HTTP response."""
99 html = self.server.jinja.get_template('msg.html').render(msg=msg)
100 self._send_html(html, code)