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Invalidate cache if a point has been deleted or changed geometry. Fix #865; review cache retention times and disable cache for external geojson datasets, fix #1660

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This commit is contained in:
Pieter Vander Vennet 2024-02-26 15:52:40 +01:00
parent adaff94dbd
commit a399260bf0
6 changed files with 68 additions and 39 deletions
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14
src/Logic/FeatureSource/Actors/SaveFeatureSourceToLocalStorage.ts
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@ -5,6 +5,8 @@ import { GeoOperations } from "../../GeoOperations"
import FeaturePropertiesStore from "./FeaturePropertiesStore"
import { UIEventSource } from "../../UIEventSource"
import { Utils } from "../../../Utils"
import { Tiles } from "../../../Models/TileRange"
import { BBox } from "../../BBox"
class SingleTileSaver {
private readonly _storage: UIEventSource<Feature[]>
@ -54,6 +56,8 @@ class SingleTileSaver {
* Also see the sibling class
*/
export default class SaveFeatureSourceToLocalStorage {
public readonly storage: TileLocalStorage<Feature[]>
private zoomlevel: number
constructor(
backend: string,
layername: string,
@ -62,7 +66,9 @@ export default class SaveFeatureSourceToLocalStorage {
featureProperties: FeaturePropertiesStore,
maxCacheAge: number
) {
this.zoomlevel = zoomlevel
const storage = TileLocalStorage.construct<Feature[]>(backend, layername, maxCacheAge)
this.storage = storage
const singleTileSavers: Map<number, SingleTileSaver> = new Map<number, SingleTileSaver>()
features.features.addCallbackAndRunD((features) => {
const sliced = GeoOperations.slice(zoomlevel, features)
@ -80,4 +86,12 @@ export default class SaveFeatureSourceToLocalStorage {
})
})
}
public invalidateCacheAround(bbox: BBox) {
const range = Tiles.tileRangeFrom(bbox, this.zoomlevel)
Tiles.MapRange(range, (x, y) => {
const index = Tiles.tile_index(this.zoomlevel, x, y)
this.storage.invalidate(index)
})
}
}