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fix(dashboard): geocode fires on first GPS fix, gated by distance not timer

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Co-authored-by: Copilot <[email protected]>
This commit is contained in:
Mathieu Moran
2026-08-10 03:29:32 -04:00
co-authored by Copilot
parent c5982e905f
commit a2ae15c2f0
1 changed files with 10 additions and 12 deletions
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static/js/yaris.js
+10 -12
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@@ -187,7 +187,7 @@ socket.on('obd_error', function (data) {
let mapCentered = false; let mapCentered = false;
let _lastLat = null, _lastLon = null; let _lastLat = null, _lastLon = null;
let _lastGeoLat = null, _lastGeoLon = null; let _lastGeoLat = null, _lastGeoLon = null;
let _geocodeTimer = null; let _geocodePending = false;
const _recenterBtn = document.getElementById('btn-recenter'); const _recenterBtn = document.getElementById('btn-recenter');
_recenterBtn.addEventListener('click', function () { _recenterBtn.addEventListener('click', function () {
@@ -197,20 +197,16 @@ _recenterBtn.addEventListener('click', function () {
}); });
function reverseGeocode(lat, lon) { function reverseGeocode(lat, lon) {
if (_geocodePending) return;
_geocodePending = true;
const el = document.getElementById('gps-location-name'); const el = document.getElementById('gps-location-name');
const fallback = `${lat.toFixed(5)}, ${lon.toFixed(5)}`; const fallback = `${lat.toFixed(5)}, ${lon.toFixed(5)}`;
const ctrl = new AbortController(); const ctrl = new AbortController();
const t = setTimeout(() => ctrl.abort(), 6000); const t = setTimeout(() => ctrl.abort(), 6000);
fetch(`/api/geocode?lat=${lat}&lon=${lon}`, { signal: ctrl.signal }) fetch(`/api/geocode?lat=${lat}&lon=${lon}`, { signal: ctrl.signal })
.then(r => { clearTimeout(t); return r.ok ? r.json() : null; }) .then(r => { clearTimeout(t); return r.ok ? r.json() : null; })
.then(data => { el.textContent = (data && data.label) ? data.label : fallback; }) .then(data => { _geocodePending = false; el.textContent = (data && data.label) ? data.label : fallback; })
.catch(() => { clearTimeout(t); el.textContent = fallback; }); .catch(() => { clearTimeout(t); _geocodePending = false; el.textContent = fallback; });
}
function _movedEnough(lat, lon) {
if (_lastGeoLat === null) return true;
// ~0.0005 deg ≈ 50m
return Math.abs(lat - _lastGeoLat) > 0.0005 || Math.abs(lon - _lastGeoLon) > 0.0005;
} }
socket.on('gps_location', function(data) { socket.on('gps_location', function(data) {
@@ -233,12 +229,14 @@ socket.on('gps_location', function(data) {
_lastLat = lat; _lastLat = lat;
_lastLon = lon; _lastLon = lon;
_recenterBtn.hidden = false; _recenterBtn.hidden = false;
// Geocode when moved >50m, throttled to at most once every 15s // Geocode on first fix or after moving >50m (~0.0005 deg)
if (!_geocodeTimer && _movedEnough(lat, lon)) { const moved = _lastGeoLat === null
|| Math.abs(lat - _lastGeoLat) > 0.0005
|| Math.abs(lon - _lastGeoLon) > 0.0005;
if (moved) {
_lastGeoLat = lat; _lastGeoLat = lat;
_lastGeoLon = lon; _lastGeoLon = lon;
reverseGeocode(lat, lon); reverseGeocode(lat, lon);
_geocodeTimer = setTimeout(() => { _geocodeTimer = null; }, 15000);
} }
} }
}); });