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refactor: Optimize GPX file processing with concurrent fetching and improved error handling

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Sean Morley 2025-03-13 17:26:42 -04:00
parent d9a88b644f
commit 50a732b4d7
1 changed files with 26 additions and 17 deletions
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43
frontend/src/routes/adventures/[id]/+page.svelte
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@ -24,42 +24,51 @@
// Collect all GPX file attachments
if (adventure.attachments && adventure.attachments.length > 0) {
adventure.attachments
gpxfiles = adventure.attachments
.filter((attachment) => attachment.extension === 'gpx')
.forEach((attachment) => gpxfiles.push(attachment.file));
.map((attachment) => attachment.file);
}
// Initialize a collection GeoJSON object
// Initialize the GeoJSON collection
geojson = {
type: 'FeatureCollection',
features: []
};
// Process each GPX file
// Process each GPX file concurrently
if (gpxfiles.length > 0) {
for (const gpxfile of gpxfiles) {
const promises = gpxfiles.map(async (gpxfile) => {
try {
let gpxFileName = gpxfile.split('/').pop();
let res = await fetch('/gpx/' + gpxFileName);
const gpxFileName = gpxfile.split('/').pop();
const res = await fetch('/gpx/' + gpxFileName);
if (!res.ok) {
console.error(`Failed to fetch GPX file: ${gpxFileName}`);
continue;
return [];
}
let gpxData = await res.text();
let parser = new DOMParser();
let gpx = parser.parseFromString(gpxData, 'text/xml');
const gpxData = await res.text();
const parser = new DOMParser();
const gpx = parser.parseFromString(gpxData, 'text/xml');
// Convert GPX to GeoJSON and merge features
let convertedGeoJSON = toGeoJSON.gpx(gpx);
if (convertedGeoJSON.features) {
geojson.features.push(...convertedGeoJSON.features);
}
// Convert GPX to GeoJSON and return features
const convertedGeoJSON = toGeoJSON.gpx(gpx);
return convertedGeoJSON.features || [];
} catch (error) {
console.error(`Error processing GPX file ${gpxfile}:`, error);
return [];
}
}
});
// Use Promise.allSettled to ensure every promise resolves,
// even if some requests fail.
const results = await Promise.allSettled(promises);
results.forEach((result) => {
if (result.status === 'fulfilled' && result.value.length > 0) {
geojson.features.push(...result.value);
}
});
}
}