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authorDaniel Friesel <derf@finalrewind.org>2021-06-26 19:55:26 +0200
committerDaniel Friesel <derf@finalrewind.org>2021-06-26 19:55:26 +0200
commitd21d35ef767007257e80a795a41b6f4cc8a9fcbc (patch)
treea5dfd5a1ed6bb823c3ef2054588d057d7cabf55d /static/v0/js
parent1cac79ba31858b496c03762a66eb86680ff3a3da (diff)
add a landing page with geolocation search
Diffstat (limited to 'static/v0/js')
-rw-r--r--static/v0/js/geolocation.js67
1 files changed, 67 insertions, 0 deletions
diff --git a/static/v0/js/geolocation.js b/static/v0/js/geolocation.js
new file mode 100644
index 0000000..7efffe0
--- /dev/null
+++ b/static/v0/js/geolocation.js
@@ -0,0 +1,67 @@
+document.addEventListener("DOMContentLoaded", function() {
+ const geoLocationButton = document.getElementById('geolocationsearch');
+
+ const processResult = function(results) {
+ console.log(results);
+ const list = document.createElement("ul");
+ for (var result in results) {
+ result = results[result];
+ var listentry = document.createElement("li");
+ var link = document.createElement("a");
+ link.text = result.name
+ link.href = "/board/" + result.id;
+ listentry.appendChild(link)
+ list.appendChild(listentry)
+ }
+ geoLocationButton.replaceWith(list);
+ };
+
+ const processLocation = function(loc) {
+ fetch('/geolocation', {
+ method: 'POST',
+ headers: {
+ 'Content-Type': 'application/json'
+ },
+ body: JSON.stringify({
+ lon: loc.coords.longitude,
+ lat: loc.coords.latitude
+ })
+ }).then(response => response.json()).then(processResult);
+ };
+
+ const processError = function(error) {
+ if (error.code == error.PERMISSION_DENIED) {
+ showError('Standortanfrage nicht möglich.', 'Vermutlich fehlen die Rechte im Browser oder der Android Location Service ist deaktiviert.', 'geolocation.error.PERMISSION_DENIED');
+ } else if (error.code == error.POSITION_UNAVAILABLE) {
+ showError('Standort konnte nicht ermittelt werden', 'Service nicht verfügbar', 'geolocation.error.POSITION_UNAVAILABLE');
+ } else if (error.code == error.TIMEOUT) {
+ showError('Standort konnte nicht ermittelt werden', 'Timeout', 'geolocation.error.TIMEOUT');
+ } else {
+ showError('Standort konnte nicht ermittelt werden', 'unbekannter Fehler', 'unknown geolocation.error code');
+ }
+ };
+
+ const getGeoLocation = function() {
+ geoLocationButton.textContent = "Suche Haltestellen ...";
+ geoLocationButton.disabled = true;
+ navigator.geolocation.getCurrentPosition(processLocation, processError);
+ }
+
+ if (geoLocationButton) {
+ if (navigator.geolocation) {
+ if (navigator.permissions) {
+ navigator.permissions.query({ name:'geolocation' }).then(function(value) {
+ if (value.state === 'prompt') {
+ geoLocationButton.addEventListener('click', getGeoLocation);
+ } else {
+ getGeoLocation();
+ }
+ });
+ } else {
+ geoLocationButton.addEventListener('click', getGeoLocation);
+ }
+ } else {
+ geoLocationButton.css('visibility', 'hidden');
+ }
+ }
+});