--- /dev/null
+from http.server import BaseHTTPRequestHandler, HTTPServer
+import os
+import json
+
+
+
+def build_page(entries):
+ return """<html>
+<meta charset="UTF-8">
+<style>
+.energy_cell {
+ text-align: center;
+}
+</style>
+<body>
+<form action="/" method="POST">
+energy level:
+<input name="energy" type="number" step="1" min="-2" max="2" value="0" />
+comment:
+<input name="comment" type="text" />
+<input type="submit" value="submit!" />
+</form>""" + f"""
+<details>
+<summary>
+[tracking]
+</summary>
+<table>
+<tr><th>datetime</th><th>energy level</th><th>comment</th></tr>
+{entries}
+</table>""" + """
+</details>
+</body>
+</html>"""
+
+
+
+class Database:
+
+ def __init__(self):
+ db_name = "energy_tracker"
+ self.db_file = db_name + ".json"
+ self.lock_file = db_name+ ".lock"
+ self.entries = {}
+ if os.path.exists(self.db_file):
+ with open(self.db_file, "r") as f:
+ self.from_dict(json.load(f))
+
+ def from_dict(self, d):
+ self.entries = d
+
+ def to_dict(self):
+ return self.entries
+
+ def write(self):
+ import shutil
+ if os.path.exists(self.lock_file):
+ raise LockFileDetected
+ if os.path.exists(self.db_file):
+ shutil.copy(self.db_file, self.db_file + ".bak")
+ f = open(self.lock_file, "w+")
+ f.close()
+ with open(self.db_file, "w") as f:
+ json.dump(self.to_dict(), f)
+ os.remove(self.lock_file)
+
+
+
+class MyServer(BaseHTTPRequestHandler):
+
+ def do_POST(self):
+ import datetime
+ from urllib.parse import parse_qs
+ length = int(self.headers['content-length'])
+ postvars = parse_qs(self.rfile.read(length), keep_blank_values=1)
+ db = Database()
+ db.entries[str(datetime.datetime.now())[:19]] = [int(postvars[b'energy'][0].decode()), postvars[b'comment'][0].decode()]
+ try:
+ db.write()
+ self.send_response(302)
+ self.send_header('Location', '/')
+ self.end_headers()
+ except LockFileDetected:
+ self.send_response(400)
+ self.end_headers()
+ self.wfile.write(bytes("Sorry, lock file!", "utf-8"))
+
+ def do_GET(self):
+ self.send_response(200)
+ self.send_header("Content-type", "text/html")
+ self.end_headers()
+ db = Database()
+ entries = ""
+ for datetime, data in db.entries.items():
+ entries = "<tr><td>%s</td><td class=\"energy_cell\">%s</td><td>%s</td></tr>\n" % (datetime, data[0], data[1]) + entries
+ page = build_page(entries)
+ self.wfile.write(bytes(page, "utf-8"))
+
+
+
+hostName = "localhost"
+serverPort = 8080
+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.")
projects / misc / commitdiff