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Require explicit call to Day.save to have any Day committed to DB.
[plomtask] / plomtask / http.py
1 """plom's task manager"""
2 from http.server import BaseHTTPRequestHandler
3 from http.server import HTTPServer
4 from urllib.parse import urlparse
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             parsed_url = urlparse(self.path)
40             site = path_split(parsed_url.path)[1]
41             if 'calendar' == site:
42                 html = self.do_GET_calendar()
43             else:
44                 raise HandledException('Test!')
45             self.send_html(html)
46         except HandledException as error:
47             self.send_msg(error)
48
49     def do_GET_calendar(self):
50         """Show sorted Days."""
51         conn = DatabaseConnection(self.server.db)
52         Day('2024-01-03').save(conn)
53         Day('2024-01-01').save(conn)
54         Day('2024-01-02').save(conn)
55         days = Day.all(conn)
56         conn.commit()
57         conn.close()
58         days.sort()
59         return self.server.jinja.get_template('calendar.html').render(
60                 days=days)