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Add GPS coordinate as wgs84 tag

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Sjors Provoost 2024-09-06 13:02:12 +02:00
parent 00c9a3686e
commit 3543529600
Signed by: sjors
GPG key ID: 57FF9BDBCC301009
1 changed files with 10 additions and 7 deletions
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17
main.ts
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@ -92,6 +92,7 @@ for (const i in posts) {
// Populated from the first media item with coordinates // Populated from the first media item with coordinates
let geotags; let geotags;
let event_tags: string[][] = [];
let first = true; let first = true;
for (const j in post.media) { for (const j in post.media) {
@ -146,15 +147,20 @@ for (const i in posts) {
iso31663: false iso31663: false
}; };
let exif_data = media.media_metadata.photo_metadata.exif_data; const exif_data = media.media_metadata.photo_metadata.exif_data;
if (exif_data) { if (exif_data) {
for (const k in exif_data) { for (const k in exif_data) {
const exif_item = exif_data[k]; const exif_item = exif_data[k];
if (exif_item.latitude != undefined && exif_item.latitude != undefined) { if (exif_item.latitude != undefined && exif_item.latitude != undefined) {
geotags = ngeotags({ // Add coordinates as a tag.
// There is currently no NIP defining a wgs84 tag!
event_tags.push(['wgs84', String(exif_item.latitude), String(exif_item.longitude)])
// Encode coordinates as Geohash in different resolutions:
// https://en.wikipedia.org/wiki/Geohash
event_tags = [...event_tags, ...ngeotags({
lat: exif_item.latitude, lat: exif_item.latitude,
lon: exif_item.longitude lon: exif_item.longitude
}, options); }, options)];
} }
} }
} }
@ -165,12 +171,9 @@ for (const i in posts) {
let event = { let event = {
kind: 1, kind: 1,
content: message, content: message,
tags: [], tags: event_tags,
created_at: created_at created_at: created_at
} }
if (geotags != undefined) {
event.tags = [...event.tags, ...geotags];
}
const signed_event = await signer.signEvent(event); const signed_event = await signer.signEvent(event);
console.log(signed_event); console.log(signed_event);
events.push(signed_event); events.push(signed_event);