update

AzA march 2026/web/empfang_chat_minimal.html

@@ -248,6 +248,8 @@ var TONE_PRESETS = [
   {name:'Stille Post',          notes:[{f:784,d:.4}],                               wave:'sine',     vol:.08},
 ];
 
+var empfangPracticeInfoCache = null;
+
 function parseQs() {
   var p = new URLSearchParams(window.location.search);
   mode = (p.get('mode') || 'general').toLowerCase() === 'dm' ? 'dm' : 'general';
@@ -294,6 +296,7 @@ async function loadPracticeSubline() {
     var r = await fetch(API_BASE + '/practice/info', { credentials: 'include' });
     if (!r.ok) return;
     var d = await r.json();
+    empfangPracticeInfoCache = d;
     var el = document.getElementById('hdr-practice-sub');
     if (!el) return;
     var pname = String(d.practice_name || '').trim() || 'Praxis-Chat';
@@ -445,34 +448,135 @@ function conversationAudienceParam() {
   return '';
 }
 
+var AZA_DEFAULT_PRACTICE_TZ = 'Europe/Zurich';
+
+function empfangChatTimeZoneId() {
+  try {
+    var d = empfangPracticeInfoCache;
+    var tz = d && String(d.practice_timezone || d.timezone || '').trim();
+    if (tz) return tz;
+  } catch (e) {}
+  return AZA_DEFAULT_PRACTICE_TZ;
+}
+
+function parseEmpfangChatInstantMs(raw) {
+  var s = String(raw || '').trim();
+  if (!s) return NaN;
+  var norm = s.replace(' ', 'T');
+  var hasTz = norm.indexOf('Z') >= 0 || /[+\-]\d{2}:\d{2}$/.test(norm);
+  if (hasTz) {
+    var tzParsed = Date.parse(norm);
+    return isFinite(tzParsed) ? tzParsed : NaN;
+  }
+  var m = s.match(/^(\d{4}-\d{2}-\d{2})[ T](\d{2}:\d{2}(?::\d{2})?)/);
+  if (m) {
+    var u = Date.parse(m[1] + 'T' + m[2] + 'Z');
+    if (isFinite(u)) return u;
+  }
+  var fb = Date.parse(norm);
+  return isFinite(fb) ? fb : NaN;
+}
+
+function formatEmpfangChatClockFromMs(ms) {
+  if (!isFinite(ms)) return '';
+  try {
+    return new Intl.DateTimeFormat('de-CH', {
+      timeZone: empfangChatTimeZoneId(),
+      hour: '2-digit',
+      minute: '2-digit',
+      hour12: false
+    }).format(new Date(ms));
+  } catch (e) {
+    var d = new Date(ms);
+    var h = d.getHours();
+    var mi = d.getMinutes();
+    return (h < 10 ? '0' : '') + h + ':' + (mi < 10 ? '0' : '') + mi;
+  }
+}
+
+function formatMessengerDayKeyFromMs(ms) {
+  if (!isFinite(ms)) return '';
+  try {
+    var parts = new Intl.DateTimeFormat('en-CA', {
+      timeZone: empfangChatTimeZoneId(),
+      year: 'numeric',
+      month: '2-digit',
+      day: '2-digit'
+    }).formatToParts(new Date(ms));
+    var y = '';
+    var mo = '';
+    var da = '';
+    for (var ip = 0; ip < parts.length; ip++) {
+      var p = parts[ip];
+      if (p.type === 'year') y = p.value;
+      if (p.type === 'month') mo = p.value;
+      if (p.type === 'day') da = p.value;
+    }
+    if (y && mo && da) return y + '-' + mo + '-' + da;
+  } catch (e) {}
+  return '';
+}
+
+function formatEmpfangChatDateTimeLong(raw) {
+  var ms = parseEmpfangChatInstantMs(raw);
+  if (!isFinite(ms)) return String(raw || '');
+  try {
+    return new Intl.DateTimeFormat('de-CH', {
+      timeZone: empfangChatTimeZoneId(),
+      year: 'numeric',
+      month: '2-digit',
+      day: '2-digit',
+      hour: '2-digit',
+      minute: '2-digit',
+      hour12: false
+    }).format(new Date(ms));
+  } catch (e) {
+    return String(raw || '');
+  }
+}
+
 function conversationSortChrono(msgs) {
   return msgs.slice().sort(function(a, b) {
-    return (a.empfangen || a.zeitstempel || '').localeCompare(b.empfangen || b.zeitstempel || '');
+    var sa = a.empfangen || a.zeitstempel || '';
+    var sb = b.empfangen || b.zeitstempel || '';
+    var ta = parseEmpfangChatInstantMs(sa);
+    var tb = parseEmpfangChatInstantMs(sb);
+    if (isFinite(ta) && isFinite(tb) && ta !== tb) return ta - tb;
+    return sa.localeCompare(sb);
   });
 }
 
 function conversationDayKey(iso) {
-  var raw = String(iso || '').replace(' ', 'T');
-  var d = Date.parse(raw);
-  if (!isFinite(d)) return '';
-  var dt = new Date(d);
-  var y = dt.getFullYear(), mo = dt.getMonth() + 1, da = dt.getDate();
-  return y + '-' + (mo < 10 ? '0' : '') + mo + '-' + (da < 10 ? '0' : '') + da;
+  return formatMessengerDayKeyFromMs(parseEmpfangChatInstantMs(iso));
 }
 
 function conversationDateLabel(iso) {
-  var raw = String(iso || '').replace(' ', 'T');
-  var d = Date.parse(raw);
-  if (!isFinite(d)) return '';
-  var msgDate = new Date(d);
-  var today = new Date();
-  today.setHours(0, 0, 0, 0);
-  var dd = new Date(msgDate);
-  dd.setHours(0, 0, 0, 0);
-  var diffDays = Math.round((today.getTime() - dd.getTime()) / 86400000);
-  if (diffDays === 0) return 'Heute';
-  if (diffDays === 1) return 'Gestern';
-  return msgDate.getDate() + '.' + (msgDate.getMonth() + 1) + '.' + msgDate.getFullYear();
+  var ms = parseEmpfangChatInstantMs(iso);
+  if (!isFinite(ms)) return '';
+  var msgKey = formatMessengerDayKeyFromMs(ms);
+  var todayKey = formatMessengerDayKeyFromMs(Date.now());
+  if (msgKey === todayKey) return 'Heute';
+  var yestKey = formatMessengerDayKeyFromMs(Date.now() - 86400000);
+  if (msgKey === yestKey) return 'Gestern';
+  try {
+    var parts = new Intl.DateTimeFormat('de-CH', {
+      timeZone: empfangChatTimeZoneId(),
+      day: 'numeric',
+      month: 'numeric',
+      year: 'numeric'
+    }).formatToParts(new Date(ms));
+    var da = '';
+    var mo = '';
+    var ye = '';
+    for (var ip = 0; ip < parts.length; ip++) {
+      var p = parts[ip];
+      if (p.type === 'day') da = p.value;
+      if (p.type === 'month') mo = p.value;
+      if (p.type === 'year') ye = p.value;
+    }
+    if (da && mo && ye) return da + '.' + mo + '.' + ye;
+  } catch (e) {}
+  return '';
 }
 
 function conversationAnchorLastId() {
@@ -518,7 +622,6 @@ async function doSend() {
     kommentar: text || (pendingAttach.length ? '\u200b' : ''),
     patient: mode === 'dm' && peerName ? ('Direkt: ' + peerName) : patientLine(),
     absender: currentSession.display_name + ' (Empfang)',
-    zeitstempel: new Date().toISOString().slice(0, 19).replace('T', ' '),
     extras: extras
   };
 
@@ -567,7 +670,7 @@ function renderOne(m, isMe) {
   var meta = document.createElement('div');
   meta.className = 'meta';
   var core = (m.absender || '').split('(')[0].trim();
-  meta.textContent = core + ' · ' + (m.zeitstempel || m.empfangen || '');
+  meta.textContent = core + ' · ' + formatEmpfangChatDateTimeLong(m.zeitstempel || m.empfangen || '');
   div.appendChild(meta);
   var body = messageBodyLines(m);
   if (body) {