Update web-socket.html
Browse files- web-socket.html +138 -53
web-socket.html
CHANGED
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<html lang="ja">
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<head>
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<meta charset="UTF-8" />
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<title>管理ページ(IP
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<script src="https://cdn.socket.io/4.0.1/socket.io.min.js"></script>
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<style>
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table { border-collapse: collapse; width: 100%; }
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th, td { border: 1px solid #ccc; padding: 8px; text-align: left; }
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th { background-color: #eee; }
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.highlight {
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background-color: #f99;
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transition: background-color 1s ease;
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}
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</style>
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</head>
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<body>
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<h1>現在の接続ユーザー数: <span id="userCount">0</span></h1>
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<table>
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<thead>
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<tr>
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<tbody id="userTableBody"></tbody>
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</table>
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<script>
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const socket = io("https://web-socket-server-14ap.onrender.com/");
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// ローカルストレージのキー
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const STORAGE_KEY = "userSessions";
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// localStorageから前回セッション情報を取得(無ければ空オブジェクト)
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let previousSessions = JSON.parse(localStorage.getItem(STORAGE_KEY) || "{}");
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let countdown = 5;
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const userCountElem = document.getElementById("userCount");
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const countdownElem = document.getElementById("countdown");
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const tbody = document.getElementById("userTableBody");
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//
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}
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}
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}
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return td;
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}
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}
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//
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localStorage.setItem(STORAGE_KEY, JSON.stringify(userSessions));
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// previousSessionsも更新
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previousSessions = JSON.parse(JSON.stringify(userSessions));
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});
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//
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if (Object.keys(previousSessions).length > 0) {
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// 自己発火用の擬似的なイベントで描画のみ実施
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socket.emit("userSessionsUpdate", previousSessions);
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}
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</script>
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</body>
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</html>
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<html lang="ja">
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<head>
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<meta charset="UTF-8" />
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<title>管理ページ(IP・接続時間表示・位置情報)</title>
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<script src="https://cdn.socket.io/4.0.1/socket.io.min.js"></script>
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<link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css" />
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<script src="https://unpkg.com/[email protected]/dist/leaflet.js"></script>
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<style>
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table { border-collapse: collapse; width: 100%; margin-top: 10px; }
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th, td { border: 1px solid #ccc; padding: 8px; text-align: left; }
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th { background-color: #eee; }
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.highlight {
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background-color: #f99;
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transition: background-color 1s ease;
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}
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#map { height: 400px; margin-top: 20px; }
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.marker-highlight {
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filter: drop-shadow(0 0 5px red);
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}
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</style>
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</head>
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<body>
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<h1>現在の接続ユーザー数: <span id="userCount">0</span></h1>
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<table>
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<thead>
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<tr>
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<tbody id="userTableBody"></tbody>
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</table>
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<div id="map"></div>
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<script>
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const socket = io("https://web-socket-server-14ap.onrender.com/");
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const STORAGE_KEY = "userSessions";
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let previousSessions = JSON.parse(localStorage.getItem(STORAGE_KEY) || "{}");
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const userCountElem = document.getElementById("userCount");
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const tbody = document.getElementById("userTableBody");
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// Leaflet地図初期化
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const map = L.map('map').setView([35.68, 139.76], 5); // 東京中心にズーム5
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L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
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attribution: '© OpenStreetMap contributors'
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}).addTo(map);
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// IP => 緯度経度をキャッシュ(session中の重複問い合わせ防止)
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const ipCache = {};
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// マーカーを保存(socketId => marker)
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const markers = {};
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// IPから位置情報を取得する関数(非同期)
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async function fetchLatLngFromIP(ip) {
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if (!ip) return null;
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if (ipCache[ip]) return ipCache[ip];
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try {
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const res = await fetch(`https://ipapi.co/${ip}/json/`);
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if (!res.ok) throw new Error('API error');
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const data = await res.json();
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if (data.latitude && data.longitude) {
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ipCache[ip] = [data.latitude, data.longitude];
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return ipCache[ip];
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}
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} catch(e) {
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console.warn("IP位置情報取得失敗:", ip, e);
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}
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return null;
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}
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// 表の行とマーカーを作る関数
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async function createRowAndMarker(socketId, info) {
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const tr = document.createElement("tr");
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const ip = info.ip || "-";
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// IP位置情報取得
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const latlng = await fetchLatLngFromIP(ip);
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// 位置情報変化判定
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const prevInfo = previousSessions[socketId];
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let locationChanged = false;
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if (prevInfo) {
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// 前回の位置と今回の位置が違ったらtrue
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if (latlng && prevInfo.latitude && prevInfo.longitude) {
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if (latlng[0] !== prevInfo.latitude || latlng[1] !== prevInfo.longitude) {
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locationChanged = true;
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}
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} else if ((latlng && (!prevInfo.latitude || !prevInfo.longitude)) ||
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((!latlng) && (prevInfo.latitude || prevInfo.longitude))) {
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locationChanged = true;
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}
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} else if (latlng) {
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locationChanged = true;
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}
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// td作成関数
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function createTd(text) {
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const td = document.createElement("td");
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td.textContent = text;
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return td;
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}
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tr.appendChild(createTd(socketId));
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tr.appendChild(createTd(ip));
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tr.appendChild(createTd(info.connectTime ? new Date(info.connectTime).toLocaleString() : "-"));
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tr.appendChild(createTd(info.disconnectTime ? new Date(info.disconnectTime).toLocaleString() : "-"));
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if (locationChanged) {
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tr.classList.add("highlight");
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}
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tbody.appendChild(tr);
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// マーカー作成または更新
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if (latlng) {
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if (markers[socketId]) {
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// 既存マーカー更新
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markers[socketId].setLatLng(latlng);
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if (locationChanged) {
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markers[socketId].getElement().classList.add("marker-highlight");
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setTimeout(() => {
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if(markers[socketId]?.getElement()) {
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markers[socketId].getElement().classList.remove("marker-highlight");
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}
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}, 2000);
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}
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} else {
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// 新規マーカー作成
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const marker = L.marker(latlng).addTo(map).bindPopup(
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`Socket ID: ${socketId}<br>IP: ${ip}`
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);
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markers[socketId] = marker;
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if (locationChanged && marker.getElement()) {
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marker.getElement().classList.add("marker-highlight");
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setTimeout(() => {
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if(marker.getElement()) {
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marker.getElement().classList.remove("marker-highlight");
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}
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}, 2000);
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}
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}
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}
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// sessionに緯度経度を保存
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info.latitude = latlng ? latlng[0] : null;
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info.longitude = latlng ? latlng[1] : null;
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}
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socket.on("updateUserCount", (count) => {
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userCountElem.textContent = count;
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});
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socket.on("userSessionsUpdate", async (userSessions) => {
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tbody.innerHTML = "";
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// すべてのマーカーを一旦削除(更新用)
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Object.values(markers).forEach(marker => map.removeLayer(marker));
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for (const key in markers) {
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delete markers[key];
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}
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// IP位置取得を含むため、順次await
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for (const [socketId, info] of Object.entries(userSessions)) {
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await createRowAndMarker(socketId, info);
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}
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// 地図の表示範囲調整(全マーカーが見えるように)
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const allLatLngs = Object.values(markers).map(m => m.getLatLng());
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if (allLatLngs.length > 0) {
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const bounds = L.latLngBounds(allLatLngs);
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map.fitBounds(bounds, { padding: [50, 50] });
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} else {
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map.setView([35.68, 139.76], 5);
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}
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// localStorageに保存(緯度経度も含む)
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localStorage.setItem(STORAGE_KEY, JSON.stringify(userSessions));
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previousSessions = JSON.parse(JSON.stringify(userSessions));
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});
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// 初回ロード時に前回のセッションを表示(あれば)
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if (Object.keys(previousSessions).length > 0) {
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socket.emit("userSessionsUpdate", previousSessions);
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}
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// 初回の更新要求(手動更新なしのためここで1回だけ)
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socket.emit("requestUserSessions");
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</script>
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</body>
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</html>
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