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make overpass data expire after one week

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This commit is contained in:
vcoppe
2024-08-12 14:33:31 +02:00
parent fb66cedfc3
commit b052472411
2 changed files with 10 additions and 7 deletions
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13
website/src/lib/components/layer-control/OverpassLayer.ts
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@@ -32,6 +32,7 @@ export class OverpassLayer {
overpassUrl = 'https://overpass.private.coffee/api/interpreter';
minZoom = 12;
queryZoom = 12;
expirationTime = 7 * 24 * 3600 * 1000;
map: mapboxgl.Map;
currentQueries: Set<string> = new Set();
@@ -150,6 +151,7 @@ export class OverpassLayer {
}
let tileLimits = mercator.xyz(bbox, this.queryZoom);
let time = Date.now();
for (let x = tileLimits.minX; x <= tileLimits.maxX; x++) {
for (let y = tileLimits.minY; y <= tileLimits.maxY; y++) {
@@ -157,8 +159,8 @@ export class OverpassLayer {
continue;
}
db.overpassquerytiles.where('[x+y]').equals([x, y]).toArray().then((querytiles) => {
let missingQueries = queries.filter((query) => !querytiles.some((querytile) => querytile.query === query));
db.overpasstiles.where('[x+y]').equals([x, y]).toArray().then((querytiles) => {
let missingQueries = queries.filter((query) => !querytiles.some((querytile) => querytile.query === query && time - querytile.time < this.expirationTime));
if (missingQueries.length > 0) {
this.queryTile(x, y, missingQueries);
}
@@ -188,7 +190,8 @@ export class OverpassLayer {
}
storeOverpassData(x: number, y: number, queries: string[], data: any) {
let queryTiles = queries.map((query) => ({ x, y, query }));
let time = Date.now();
let queryTiles = queries.map((query) => ({ x, y, query, time }));
let pois: { query: string, id: number, poi: GeoJSON.Feature }[] = [];
if (data.elements === undefined) {
@@ -221,8 +224,8 @@ export class OverpassLayer {
}
}
db.transaction('rw', db.overpassquerytiles, db.overpassdata, async () => {
await db.overpassquerytiles.bulkPut(queryTiles);
db.transaction('rw', db.overpasstiles, db.overpassdata, async () => {
await db.overpasstiles.bulkPut(queryTiles);
await db.overpassdata.bulkPut(pois);
});