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fix stats update logic

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vcoppe
2024-05-07 10:37:24 +02:00
parent 6d9fdda1a7
commit d0ac364d7d
1 changed files with 30 additions and 15 deletions
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45
website/src/lib/stores.ts
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@@ -28,32 +28,47 @@ fileObservers.subscribe((files) => { // Update selectedFiles automatically when
} }
}); });
const fileStatistics: Map<string, GPXStatistics> = new Map(); const fileStatistics: Map<string, Writable<GPXStatistics>> = new Map();
const fileUnsubscribe: Map<string, Function> = new Map();
export const gpxStatistics: Writable<GPXStatistics> = writable(new GPXStatistics()); export const gpxStatistics: Writable<GPXStatistics> = writable(new GPXStatistics());
function updateGPXData() { function updateGPXData() {
let fileIds: string[] = get(fileOrder).filter((f) => fileStatistics.has(f) && get(selectedFiles).has(f)); let fileIds: string[] = get(fileOrder).filter((f) => fileStatistics.has(f) && get(selectedFiles).has(f));
gpxStatistics.set(fileIds.reduce((stats: GPXStatistics, fileId: string) => { gpxStatistics.set(fileIds.reduce((stats: GPXStatistics, fileId: string) => {
stats.mergeWith(fileStatistics.get(fileId) ?? new GPXStatistics()); let statisticsStore = fileStatistics.get(fileId);
if (statisticsStore) {
stats.mergeWith(get(statisticsStore));
}
return stats; return stats;
}, new GPXStatistics())); }, new GPXStatistics()));
} }
let selectedFilesUnsubscribe: Function[] = []; fileObservers.subscribe((files) => { // Maintain up-to-date statistics
selectedFiles.subscribe((selectedFiles) => { fileStatistics.forEach((stats, fileId) => {
selectedFilesUnsubscribe.forEach((unsubscribe) => unsubscribe()); if (!files.has(fileId)) {
selectedFiles.forEach((fileId) => { fileStatistics.delete(fileId);
let fileObserver = get(fileObservers).get(fileId); let unsubscribe = fileUnsubscribe.get(fileId);
if (fileObserver) { if (unsubscribe) unsubscribe();
let unsubscribe = fileObserver.subscribe((file) => { fileUnsubscribe.delete(fileId);
if (file) {
fileStatistics.set(fileId, file.getStatistics());
updateGPXData();
}
});
selectedFilesUnsubscribe.push(unsubscribe);
} }
}); });
files.forEach((fileObserver, fileId) => {
if (!fileStatistics.has(fileId)) {
fileStatistics.set(fileId, writable(new GPXStatistics()));
let unsubscribe = fileObserver.subscribe((file) => {
if (file) {
fileStatistics.get(fileId)?.set(file.getStatistics());
if (get(selectedFiles).has(fileId)) {
updateGPXData();
}
}
});
fileUnsubscribe.set(fileId, unsubscribe);
}
});
});
selectedFiles.subscribe((selectedFiles) => { // Maintain up-to-date statistics for the current selection
updateGPXData(); updateGPXData();
}); });