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improve grouping statistics performance

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This commit is contained in:
vcoppe
2026-01-11 19:48:48 +01:00
parent 9019317e5c
commit f24956c58d
16 changed files with 668 additions and 591 deletions
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17
website/src/lib/logic/statistics.ts
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@@ -1,5 +1,5 @@
import { selection } from '$lib/logic/selection';
import { GPXStatistics } from 'gpx';
import { GPXGlobalStatistics, GPXStatisticsGroup } from 'gpx';
import { fileStateCollection, GPXFileState } from '$lib/logic/file-state';
import {
ListFileItem,
@@ -12,7 +12,7 @@ import { settings } from '$lib/logic/settings';
const { fileOrder } = settings;
export class SelectedGPXStatistics {
private _statistics: Writable<GPXStatistics>;
private _statistics: Writable<GPXStatisticsGroup>;
private _files: Map<
string,
{
@@ -22,18 +22,21 @@ export class SelectedGPXStatistics {
>;
constructor() {
this._statistics = writable(new GPXStatistics());
this._statistics = writable(new GPXStatisticsGroup());
this._files = new Map();
selection.subscribe(() => this.update());
fileOrder.subscribe(() => this.update());
}
subscribe(run: (value: GPXStatistics) => void, invalidate?: (value?: GPXStatistics) => void) {
subscribe(
run: (value: GPXStatisticsGroup) => void,
invalidate?: (value?: GPXStatisticsGroup) => void
) {
return this._statistics.subscribe(run, invalidate);
}
update() {
let statistics = new GPXStatistics();
let statistics = new GPXStatisticsGroup();
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
let stats = fileStateCollection.getStatistics(fileId);
if (stats) {
@@ -43,7 +46,7 @@ export class SelectedGPXStatistics {
!(item instanceof ListWaypointItem || item instanceof ListWaypointsItem) ||
first
) {
statistics.mergeWith(stats.getStatisticsFor(item));
statistics.add(stats.getStatisticsFor(item));
first = false;
}
});
@@ -76,7 +79,7 @@ export class SelectedGPXStatistics {
export const gpxStatistics = new SelectedGPXStatistics();
export const slicedGPXStatistics: Writable<[GPXStatistics, number, number] | undefined> =
export const slicedGPXStatistics: Writable<[GPXGlobalStatistics, number, number] | undefined> =
writable(undefined);
gpxStatistics.subscribe(() => {