county-sprints/src/web.rs
2026-08-13 12:43:42 +02:00

780 lines
28 KiB
Rust

use std::collections::{HashMap, HashSet};
use chrono::{DateTime, Utc};
use axum::{
extract::{Path, State},
http::StatusCode,
response::{Html, Redirect},
};
use axum_extra::extract::{Form, Query, cookie::CookieJar};
use serde::Deserialize;
use serde_json::Value;
use sqlx::Row;
use crate::{
AppState, db, html, leaderboard,
model::{ActivityCrossing, LeaderboardGroup},
};
#[derive(Debug, Deserialize, Default)]
pub struct PageQuery {
pub group_id: Option<i64>,
}
#[derive(Debug, Deserialize)]
pub struct GroupForm {
pub group_id: Option<i64>,
pub name: String,
pub members: Option<Vec<i64>>,
}
#[derive(Debug, Deserialize)]
pub struct DeleteGroupForm {
pub group_id: i64,
}
pub async fn index(
State(state): State<AppState>,
jar: CookieJar,
Query(query): Query<PageQuery>,
) -> Html<String> {
let current = current_user(&state, &jar).await;
let group_id = query.group_id;
let valid_group_id = match (current.as_ref(), group_id) {
(Some((owner_id, _)), Some(gid)) => group_belongs_to_user(&state, gid, *owner_id)
.await
.ok()
.flatten(),
_ => None,
};
let groups = Vec::new();
let available_groups = match current.as_ref() {
Some((id, _)) => futures_groups(&state, *id).await.unwrap_or_default(),
None => Vec::new(),
};
render_index(&groups, current.as_ref(), valid_group_id, &available_groups)
}
async fn futures_groups(
state: &AppState,
owner_id: i64,
) -> Result<Vec<(i64, String)>, anyhow::Error> {
let rows = sqlx::query(
r#"
SELECT id, name
FROM leaderboard_groups
WHERE owner_athlete_id = $1
ORDER BY name
"#,
)
.bind(owner_id)
.fetch_all(&state.db)
.await?;
Ok(rows
.into_iter()
.map(|row| (row.get("id"), row.get("name")))
.collect())
}
pub async fn activity(
State(state): State<AppState>,
jar: CookieJar,
Path(activity_id): Path<String>,
Query(query): Query<PageQuery>,
) -> Result<Html<String>, StatusCode> {
let Some((current_id, _)) = current_user(&state, &jar).await else {
return Err(StatusCode::UNAUTHORIZED);
};
let group_id = match query.group_id {
Some(gid) => group_belongs_to_user(&state, gid, current_id)
.await
.map_err(internal)?,
None => None,
};
let activity = sqlx::query(
r#"
SELECT
a.intervals_activity_id,
a.start_time,
a.activity_json,
ath.id AS athlete_id,
ath.display_name
FROM activities a
JOIN athletes ath ON ath.id = a.athlete_id
WHERE a.intervals_activity_id = $1
AND (
ath.id = $2
OR (
$3::BIGINT IS NOT NULL
AND ath.id IN (
SELECT athlete_id
FROM leaderboard_group_members
WHERE group_id = $3
)
)
)
ORDER BY a.id DESC
LIMIT 1
"#,
)
.bind(&activity_id)
.bind(current_id)
.bind(group_id)
.fetch_optional(&state.db)
.await
.map_err(internal)?;
let Some(activity) = activity else {
return Err(StatusCode::NOT_FOUND);
};
let start_time: Option<DateTime<Utc>> = activity.try_get("start_time").map_err(internal)?;
let activity_json: Option<Value> = activity.try_get("activity_json").map_err(internal)?;
let athlete_name: String = activity.try_get("display_name").map_err(internal)?;
let crossings = leaderboard::activity_crossings(&state.db, &activity_id, group_id)
.await
.map_err(internal)?;
Ok(Html(render_activity(
&activity_id,
athlete_name,
start_time,
activity_json.as_ref(),
&crossings,
group_id,
)))
}
pub async fn groups(
State(state): State<AppState>,
jar: CookieJar,
) -> Result<Html<String>, StatusCode> {
let Some((owner_id, owner_name)) = current_user(&state, &jar).await else {
return Err(StatusCode::UNAUTHORIZED);
};
let group_rows = sqlx::query(
r#"
SELECT
g.id AS group_id,
g.name AS group_name,
gm.athlete_id
FROM leaderboard_groups g
LEFT JOIN leaderboard_group_members gm
ON gm.group_id = g.id
WHERE g.owner_athlete_id = $1
ORDER BY g.name, gm.athlete_id
"#,
)
.bind(owner_id)
.fetch_all(&state.db)
.await
.map_err(internal)?;
let mut groups: Vec<(i64, String, HashSet<i64>)> = Vec::new();
for row in group_rows {
let group_id: i64 = row.get("group_id");
let group_name: String = row.get("group_name");
let athlete_id: Option<i64> = row.get("athlete_id");
if let Some((_, _, members)) = groups.iter_mut().find(|(id, _, _)| *id == group_id) {
if let Some(id) = athlete_id {
members.insert(id);
}
} else {
let mut members = HashSet::new();
if let Some(id) = athlete_id {
members.insert(id);
}
groups.push((group_id, group_name, members));
}
}
let athletes = sqlx::query(
r#"
SELECT id, display_name
FROM athletes
ORDER BY display_name, id
"#,
)
.fetch_all(&state.db)
.await
.map_err(internal)?;
let athlete_list: Vec<(i64, String)> = athletes
.into_iter()
.map(|row| (row.get("id"), row.get("display_name")))
.collect();
Ok(Html(render_groups(&owner_name, &groups, &athlete_list)))
}
pub async fn save_group(
State(state): State<AppState>,
jar: CookieJar,
Form(form): Form<GroupForm>,
) -> Result<Redirect, StatusCode> {
let Some((owner_id, _)) = current_user(&state, &jar).await else {
return Err(StatusCode::UNAUTHORIZED);
};
let name = form.name.trim();
if name.is_empty() {
return Err(StatusCode::BAD_REQUEST);
}
let group_id = match form.group_id {
Some(group_id) => {
let result = sqlx::query(
r#"
UPDATE leaderboard_groups
SET name = $1, updated_at = now()
WHERE id = $2 AND owner_athlete_id = $3
"#,
)
.bind(name)
.bind(group_id)
.bind(owner_id)
.execute(&state.db)
.await
.map_err(internal)?;
if result.rows_affected() != 1 {
return Err(StatusCode::NOT_FOUND);
}
group_id
}
None => {
let row = sqlx::query(
r#"
INSERT INTO leaderboard_groups(owner_athlete_id, name)
VALUES ($1, $2)
RETURNING id
"#,
)
.bind(owner_id)
.bind(name)
.fetch_one(&state.db)
.await
.map_err(internal)?;
row.get("id")
}
};
sqlx::query("DELETE FROM leaderboard_group_members WHERE group_id = $1")
.bind(group_id)
.execute(&state.db)
.await
.map_err(internal)?;
if let Some(members) = form.members {
for athlete_id in members {
sqlx::query(
r#"
INSERT INTO leaderboard_group_members(group_id, athlete_id)
SELECT $1, id
FROM athletes
WHERE id = $2
ON CONFLICT DO NOTHING
"#,
)
.bind(group_id)
.bind(athlete_id)
.execute(&state.db)
.await
.map_err(internal)?;
}
}
Ok(Redirect::to("/groups"))
}
pub async fn delete_group(
State(state): State<AppState>,
jar: CookieJar,
Form(form): Form<DeleteGroupForm>,
) -> Result<Redirect, StatusCode> {
let Some((owner_id, _)) = current_user(&state, &jar).await else {
return Err(StatusCode::UNAUTHORIZED);
};
sqlx::query(
r#"
DELETE FROM leaderboard_groups
WHERE id = $1 AND owner_athlete_id = $2
"#,
)
.bind(form.group_id)
.bind(owner_id)
.execute(&state.db)
.await
.map_err(internal)?;
Ok(Redirect::to("/groups"))
}
async fn current_user(state: &AppState, jar: &CookieJar) -> Option<(i64, String)> {
let cookie = jar.get("county_session")?;
db::athlete_for_session(&state.db, cookie.value())
.await
.ok()
.flatten()
}
async fn group_belongs_to_user(
state: &AppState,
group_id: i64,
owner_id: i64,
) -> Result<Option<i64>, anyhow::Error> {
let exists = sqlx::query(
r#"
SELECT id
FROM leaderboard_groups
WHERE id = $1 AND owner_athlete_id = $2
"#,
)
.bind(group_id)
.bind(owner_id)
.fetch_optional(&state.db)
.await?;
Ok(exists.map(|row| row.get("id")))
}
fn internal(error: impl std::fmt::Display) -> StatusCode {
tracing::error!(%error, "web request failed");
StatusCode::INTERNAL_SERVER_ERROR
}
fn render_index(
groups: &[LeaderboardGroup],
current: Option<&(i64, String)>,
selected_group: Option<i64>,
available_groups: &[(i64, String)],
) -> Html<String> {
let mut html = String::from(BASE_HEAD);
html.push_str(
r#"<header>
<div>
<h1>🚴 Landkreis-Sprints</h1>
<div class="small">Grenzübertritte · Millisekunden · Intervals.icu</div>
</div>"#,
);
if let Some((_, name)) = current {
html.push_str(&format!(
r#"<div>Angemeldet als <strong>{}</strong><br>
<a class="button secondary" href="/groups">Gruppen</a>
<a class="button" href="/logout">Logout</a></div>"#,
html::escape(name)
));
} else {
html.push_str(
r#"<div>
<a class="button" href="/oauth/start">Mit Intervals.icu verbinden</a>
<a class="button secondary" href="/api-key/start">Mit API-Key anmelden</a>
</div>"#,
);
}
html.push_str("</header>");
if !available_groups.is_empty() {
html.push_str(
r#"<div class="card filter-card"><form method="get" action="/">
<label for="group_id"><strong>Leaderboard-Gruppe</strong></label>
<select id="group_id" name="group_id" onchange="this.form.submit()">
<option value="">Alle Athleten</option>"#,
);
for (id, name) in available_groups {
let selected = if Some(*id) == selected_group {
" selected"
} else {
""
};
html.push_str(&format!(
"<option value=\"{}\"{}>{}</option>",
id,
selected,
html::escape(name)
));
}
html.push_str("</select></form></div>");
}
if groups.is_empty() {
html.push_str(
r#"<div id="leaderboard-status" class="card">Landkreisübertritte werden geladen …</div>"#,
);
}
html.push_str(r#"<div id="leaderboard-list"></div><div id="leaderboard-sentinel" aria-hidden="true"></div>"#);
for group in groups {
html.push_str("<section class=\"card\">");
html.push_str(&format!(
"<h2>{}{}</h2>",
html::escape(&group.from_county),
html::escape(&group.to_county)
));
html.push_str(&format!(
"<div class=\"small\">10-Minuten-Fenster · {} · Standort ±10 m</div>",
group.bucket_start.to_rfc3339()
));
html.push_str(&format!(
r#"<div class="group-map" data-lat="{}" data-lon="{}"></div>"#,
group.crossing_lat, group.crossing_lon
));
html.push_str(
r#"<table><thead><tr>
<th>#</th><th>Fahrer</th><th>Übertritt</th><th>Aktivität</th>
<th>Intervall</th><th>Power</th><th>HR</th><th>Karte</th>
</tr></thead><tbody>"#,
);
for row in &group.rows {
let interval = row
.interval_url
.as_ref()
.map(|url| {
format!(
"<a href=\"{}\" target=\"_blank\" rel=\"noreferrer\">Intervall</a>",
html::escape(url)
)
})
.unwrap_or_else(|| "<span class=\"small\">—</span>".into());
let power = row
.average_watts
.map(|v| format!("{:.0} W", v))
.unwrap_or_else(|| "".into());
let hr = row
.average_heartrate
.map(|v| format!("{:.0} bpm", v))
.unwrap_or_else(|| "".into());
html.push_str(&format!(
r#"<tr>
<td class="rank">{}</td>
<td>{}</td>
<td class="time" data-time="{}">{}</td>
<td><a href="{}">{}</a></td>
<td>{}</td><td>{}</td><td>{}</td>
<td><div class="mini-map" data-lat="{}" data-lon="{}"></div></td>
</tr>"#,
row.rank,
html::escape(&row.athlete),
html::escape(&row.crossing_time.to_rfc3339()),
row.crossing_time.format("%H:%M:%S%.3f UTC"),
html::escape(&row.activity_url),
html::escape(&row.activity_id),
interval,
row.lat,
row.lon,
power,
hr,
));
}
html.push_str("</tbody></table></section>");
}
html.push_str(BASE_FOOT);
Html(html)
}
fn render_activity(
activity_id: &str,
athlete_name: String,
start_time: Option<chrono::DateTime<chrono::Utc>>,
activity_json: Option<&Value>,
crossings: &[ActivityCrossing],
group_id: Option<i64>,
) -> String {
let title = activity_json
.and_then(|v| v.get("name"))
.and_then(Value::as_str)
.unwrap_or("Aktivität");
let sport = activity_json
.and_then(|v| v.get("type"))
.and_then(Value::as_str)
.unwrap_or("");
let mut html = String::from(BASE_HEAD);
html.push_str(&format!(
r#"<header><div><a href="/">← Leaderboard</a>
<h1>{}</h1><div class="small">{} · {}</div></div></header>
<section class="card">
<h2>{}</h2>
<div class="small">Athlet: {} · Aktivität: {}</div>"#,
html::escape(title),
html::escape(&athlete_name),
html::escape(sport),
html::escape(title),
html::escape(&athlete_name),
html::escape(activity_id),
));
if let Some(start) = start_time {
html.push_str(&format!(
r#"<div class="small activity-start" data-time="{}">Start: {}</div>"#,
html::escape(&start.to_rfc3339()),
start.format("%Y-%m-%d %H:%M:%S UTC")
));
}
let points: Vec<_> = crossings
.iter()
.map(|c| {
serde_json::json!({
"lat": c.lat,
"lon": c.lon,
"time": c.crossing_time.to_rfc3339(),
"from": c.from_county,
"to": c.to_county,
"rank": c.rank,
"athlete": c.athlete,
})
})
.collect();
let points_json = html::escape(&serde_json::to_string(&points).unwrap_or_else(|_| "[]".into()));
html.push_str(&format!(
r#"<div id="activity-map" class="activity-map" data-points="{}"></div>"#,
points_json
));
if crossings.is_empty() {
html.push_str("<p class=\"small\">Keine Landkreisübertritte in dieser Aktivität.</p>");
} else {
html.push_str(r#"<table><thead><tr>
<th>#</th><th>Zeit</th><th>Landkreis</th><th>Rang</th><th>Power</th><th>HR</th><th>Intervall</th>
</tr></thead><tbody>"#);
for (index, crossing) in crossings.iter().enumerate() {
let interval = crossing
.interval_url
.as_ref()
.map(|url| {
format!(
"<a href=\"{}\" target=\"_blank\" rel=\"noreferrer\">Intervall</a>",
html::escape(url)
)
})
.unwrap_or_else(|| "".into());
let power = crossing
.average_watts
.map(|v| format!("{:.0} W", v))
.unwrap_or_else(|| "".into());
let hr = crossing
.average_heartrate
.map(|v| format!("{:.0} bpm", v))
.unwrap_or_else(|| "".into());
html.push_str(&format!(
r#"<tr><td>{}</td>
<td class="time" data-time="{}">{}</td>
<td>{} → {}</td><td class="rank">{}</td>
<td>{}</td><td>{}</td><td>{}</td></tr>"#,
index + 1,
html::escape(&crossing.crossing_time.to_rfc3339()),
crossing.crossing_time.format("%H:%M:%S%.3f UTC"),
html::escape(&crossing.from_county),
html::escape(&crossing.to_county),
crossing.rank,
power,
hr,
interval,
));
}
html.push_str("</tbody></table>");
}
if let Some(group_id) = group_id {
html.push_str(&format!(
"<div class=\"small\">Leaderboard-Gruppe #{}</div>",
group_id
));
}
html.push_str("</section>");
html.push_str(BASE_FOOT);
html
}
fn render_groups(
owner_name: &str,
groups: &[(i64, String, HashSet<i64>)],
athletes: &[(i64, String)],
) -> String {
let mut html = String::from(BASE_HEAD);
html.push_str(&format!(
r#"<header><div><a href="/">← Leaderboard</a><h1>Leaderboard-Gruppen</h1>
<div class="small">Gruppen werden für {} verwaltet.</div></div></header>"#,
html::escape(owner_name)
));
html.push_str(
r#"<section class="card"><h2>Neue Gruppe</h2>
<form method="post" action="/groups">
<input type="text" name="name" placeholder="z. B. Trainingsgruppe" required>
<div class="members">"#,
);
for (id, name) in athletes {
html.push_str(&format!(
r#"<label><input type="checkbox" name="members" value="{}"> {}</label>"#,
id,
html::escape(name)
));
}
html.push_str(r#"</div><button type="submit">Gruppe anlegen</button></form></section>"#);
for (group_id, name, members) in groups {
html.push_str(&format!(
r#"<section class="card"><form method="post" action="/groups">
<input type="hidden" name="group_id" value="{}">
<input type="text" name="name" value="{}" required>
<div class="members">"#,
group_id,
html::escape(name)
));
for (id, athlete_name) in athletes {
let checked = if members.contains(id) { " checked" } else { "" };
html.push_str(&format!(
r#"<label><input type="checkbox" name="members" value="{}"{}> {}</label>"#,
id,
checked,
html::escape(athlete_name)
));
}
html.push_str(&format!(
r#"</div><button type="submit">Speichern</button></form>
<form method="post" action="/groups/delete" onsubmit="return confirm('Gruppe löschen?')">
<input type="hidden" name="group_id" value="{}"><button class="danger" type="submit">Löschen</button>
</form></section>"#,
group_id
));
}
html.push_str(BASE_FOOT);
html
}
const BASE_HEAD: &str = r#"<!doctype html>
<html lang="de">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Landkreis-Sprints</title>
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css">
<style>
body{font-family:system-ui,sans-serif;max-width:1250px;margin:0 auto;padding:1rem;background:#111827;color:#f9fafb}
a{color:#93c5fd}.small{color:#9ca3af;font-size:.9rem}header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem}.card{background:#1f2937;border-radius:12px;padding:1rem;margin:1rem 0}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.55rem;border-bottom:1px solid #374151;vertical-align:middle}.rank{font-weight:800}.time{font-family:ui-monospace,monospace;white-space:nowrap}.button,button{background:#2563eb;color:#fff;border:0;border-radius:8px;padding:.6rem .9rem;text-decoration:none;cursor:pointer;display:inline-block;margin:.15rem}.secondary{background:#374151}.danger{background:#991b1b}select,input[type=text]{background:#111827;color:#f9fafb;border:1px solid #4b5563;border-radius:8px;padding:.55rem}.filter-card form{display:flex;gap:.75rem;align-items:center}.group-map{height:240px;border-radius:10px;margin:.75rem 0}.mini-map{width:180px;height:120px;border-radius:8px}.activity-map{height:480px;border-radius:10px;margin:1rem 0}.members{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.4rem;margin:1rem 0}.members label{padding:.4rem;background:#111827;border-radius:6px}.leaflet-container{background:#ddd}.activity-start{margin-top:.35rem}
@media(max-width:800px){table{font-size:.85rem}.mini-map{width:130px;height:100px}.group-map{height:200px}.activity-map{height:360px}th:nth-child(5),td:nth-child(5),th:nth-child(6),td:nth-child(6){display:none}}
</style>
</head><body>
"#;
const BASE_FOOT: &str = r#"
<footer class="small" style="margin:2rem 0">Datenquelle: Intervals.icu · Landkreisgeometrien: VG250 · Karten: OpenStreetMap</footer>
<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
<script>
function tileLayer(map){
L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
maxZoom: 19,
attribution: '&copy; OpenStreetMap contributors'
}).addTo(map);
}
function fmtTime(value){
const d=new Date(value);
if(Number.isNaN(d.getTime())) return value;
return new Intl.DateTimeFormat(undefined,{dateStyle:'medium',timeStyle:'medium'}).format(d);
}
document.querySelectorAll('[data-time]').forEach(el=>{
el.textContent=fmtTime(el.dataset.time);
el.title=Intl.DateTimeFormat().resolvedOptions().timeZone;
});
function escapeHtml(value){return String(value).replace(/[&<>\"']/g,ch=>({'&':'&amp;','<':'&lt;','>':'&gt;','\"':'&quot;',"'":'&#39;'}[ch]));}
function formatPower(value){return value == null ? '—' : Number(value).toFixed(0)+' W';}
function formatHr(value){return value == null ? '—' : Number(value).toFixed(0)+' bpm';}
function leaderboardRowHtml(row){
const interval=row.interval_url ? '<a href="'+escapeHtml(row.interval_url)+'" target="_blank" rel="noreferrer">Intervall</a>' : '<span class="small">—</span>';
return '<tr><td class="rank">'+row.rank+'</td><td>'+escapeHtml(row.athlete)+'</td><td class="time" data-time="'+escapeHtml(row.crossing_time)+'">'+escapeHtml(row.crossing_time)+'</td><td><a href="'+escapeHtml(row.activity_url)+'">'+escapeHtml(row.activity_id)+'</a></td><td>'+interval+'</td><td>'+formatPower(row.average_watts)+'</td><td>'+formatHr(row.average_heartrate)+'</td><td><div class="mini-map" data-lat="'+row.lat+'" data-lon="'+row.lon+'"></div></td></tr>';
}
function leaderboardGroupKey(group){return group.bucket_start+'|'+group.from_county+'|'+group.to_county;}
function leaderboardGroupHtml(group){return '<section class="card leaderboard-group"><h2>'+escapeHtml(group.from_county)+' → '+escapeHtml(group.to_county)+'</h2><div class="small">10-Minuten-Fenster · '+escapeHtml(group.bucket_start)+' · Standort ±10 m</div><div class="group-map" data-lat="'+group.crossing_lat+'" data-lon="'+group.crossing_lon+'"></div><table><thead><tr><th>#</th><th>Fahrer</th><th>Übertritt</th><th>Aktivität</th><th>Intervall</th><th>Power</th><th>HR</th><th>Karte</th></tr></thead><tbody>'+group.rows.map(leaderboardRowHtml).join('')+'</tbody></table></section>';}
function initLeaderboardElements(root){
root.querySelectorAll('[data-time]').forEach(el=>{el.textContent=fmtTime(el.dataset.time);el.title=Intl.DateTimeFormat().resolvedOptions().timeZone;});
root.querySelectorAll('.group-map').forEach(el=>{if(el.dataset.mapReady)return;const lat=Number(el.dataset.lat),lon=Number(el.dataset.lon);if(!Number.isFinite(lat)||!Number.isFinite(lon))return;el.dataset.mapReady='1';const map=L.map(el,{scrollWheelZoom:false}).setView([lat,lon],15);tileLayer(map);L.circle([lat,lon],{radius:10}).addTo(map);L.marker([lat,lon]).addTo(map);});
root.querySelectorAll('.mini-map').forEach(el=>{if(el.dataset.mapReady)return;const lat=Number(el.dataset.lat),lon=Number(el.dataset.lon);if(!Number.isFinite(lat)||!Number.isFinite(lon))return;el.dataset.mapReady='1';const map=L.map(el,{zoomControl:false,dragging:false,scrollWheelZoom:false,doubleClickZoom:false,touchZoom:false}).setView([lat,lon],16);tileLayer(map);L.circle([lat,lon],{radius:10}).addTo(map);L.marker([lat,lon]).addTo(map);});
}
const leaderboardList=document.getElementById('leaderboard-list');
if(leaderboardList){
const status=document.getElementById('leaderboard-status'),sentinel=document.getElementById('leaderboard-sentinel'),groups=new Map();
let offset=0,loading=false,hasMore=true; const pageSize=50;
async function loadLeaderboard(){
if(loading||!hasMore)return; loading=true;
try{
const params=new URLSearchParams({offset:String(offset),limit:String(pageSize)}),selected=new URLSearchParams(location.search).get('group_id');
if(selected)params.set('group_id',selected);
const response=await fetch('/api/leaderboard?'+params,{headers:{Accept:'application/json'}}); if(!response.ok)throw new Error('HTTP '+response.status);
const page=await response.json();
if(offset===0&&page.groups.length===0){status.textContent='Noch keine Landkreisüberquerungen für diese Auswahl.';status.style.display='block';}else{status.style.display='none';}
for(const group of page.groups){const key=leaderboardGroupKey(group),existing=groups.get(key);if(existing){const tbody=existing.querySelector('tbody');tbody.insertAdjacentHTML('beforeend',group.rows.map(leaderboardRowHtml).join(''));initLeaderboardElements(tbody);}else{leaderboardList.insertAdjacentHTML('beforeend',leaderboardGroupHtml(group));const section=leaderboardList.lastElementChild;groups.set(key,section);initLeaderboardElements(section);}}
offset=page.next_offset;hasMore=page.has_more;if(!hasMore)sentinel.style.display='none';
}catch(error){console.error(error);status.textContent='Landkreisübertritte konnten nicht geladen werden.';status.style.display='block';}finally{loading=false;}
}
const observer=new IntersectionObserver(entries=>{if(entries.some(entry=>entry.isIntersecting))loadLeaderboard();},{rootMargin:'800px 0px'});observer.observe(sentinel);loadLeaderboard();
}
document.querySelectorAll('.group-map').forEach(el=>{
const lat=Number(el.dataset.lat),lon=Number(el.dataset.lon);
if(!Number.isFinite(lat)||!Number.isFinite(lon)) return;
const map=L.map(el,{scrollWheelZoom:false}).setView([lat,lon],15);
tileLayer(map);
L.circle([lat,lon],{radius:10}).addTo(map);
L.marker([lat,lon]).addTo(map);
});
document.querySelectorAll('.mini-map').forEach(el=>{
const lat=Number(el.dataset.lat),lon=Number(el.dataset.lon);
if(!Number.isFinite(lat)||!Number.isFinite(lon)) return;
const map=L.map(el,{zoomControl:false,dragging:false,scrollWheelZoom:false,doubleClickZoom:false,touchZoom:false}).setView([lat,lon],16);
tileLayer(map);
L.circle([lat,lon],{radius:10}).addTo(map);
L.marker([lat,lon]).addTo(map);
});
const activityMapEl=document.getElementById('activity-map');
if(activityMapEl){
const points=JSON.parse(activityMapEl.dataset.points || '[]');
if(points.length){
const map=L.map(activityMapEl).setView([points[0].lat,points[0].lon],14);
tileLayer(map);
const bounds=[];
points.forEach((p,i)=>{
const marker=L.marker([p.lat,p.lon]).addTo(map);
marker.bindPopup('<strong>#'+(i+1)+'</strong><br>'+p.from+' → '+p.to+'<br>'+fmtTime(p.time)+'<br>Rang: '+p.rank);
L.circle([p.lat,p.lon],{radius:10}).addTo(map);
bounds.push([p.lat,p.lon]);
});
map.fitBounds(bounds,{padding:[25,25]});
}
}
</script>
</body></html>
"#;