add leaderboard

generate.py

@@ -177,6 +177,21 @@ def run_forever(address: str, period: int, ssid: str, output: str):
                     last_seen = leases
                 log.reverse()
 
+                leaderboard_tmp = {}
+                mac_to_hostname = {}
+                for lease in _fetch_leases(db, now - timedelta(days=120)):
+                    if _is_human(lease):
+                        leaderboard_tmp.setdefault(lease.mac, 0)
+                        leaderboard_tmp[lease.mac] += 1
+                        mac_to_hostname.setdefault(lease.mac, lease.hostname)
+
+                leaderboard_entry = namedtuple('leaderboard_entry', ('name', 'total'))
+                leaderboard = []
+                for mac, minutes in leaderboard_tmp.items():
+                    leaderboard.append(leaderboard_entry(mac_to_hostname.get(mac) or mac, timedelta(minutes=minutes)))
+                leaderboard.sort(key=lambda l: l.total, reverse=True)
+                leaderboard = leaderboard[:10]
+
                 logging.debug(f"Outputting HTML file into {output_file}...")
                 with open(output_file, 'w') as file:
                     out_str = jinja_env.get_template("index.html").render(
@@ -184,7 +199,8 @@ def run_forever(address: str, period: int, ssid: str, output: str):
                         leases=registered_leases,
                         status=status,
                         last_change=last_change,
-                        log=log
+                        log=log,
+                        leaderboard=leaderboard
                     )
                     file.write(out_str)
 

templates/index.html

@@ -88,6 +88,13 @@
     </tr>
     {% endfor %}
 </table>
+<h2>Leaderboard</h2>
+<ol>
+    {% for entry in leaderboard %}
+    <li>{{entry.name}} ({{entry.total}})</li>
+    {% endfor %}
+</ol>
+
 <h2>Log</h2>
 <table>
     {% for entry in log %}