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WIP: use indexedDB as datastore for geotiles

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This commit is contained in:
Pieter Vander Vennet 2021-11-15 11:51:32 +01:00
parent b5693304f2
commit 8fa7de661e
9 changed files with 99 additions and 65 deletions
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17
Logic/FeatureSource/TiledFeatureSource/TiledFromLocalStorageSource.ts
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@ -3,7 +3,6 @@ import {FeatureSourceForLayer, Tiled} from "../FeatureSource";
import {UIEventSource} from "../../UIEventSource";
import TileHierarchy from "./TileHierarchy";
import SaveTileToLocalStorageActor from "../Actors/SaveTileToLocalStorageActor";
import {Tiles} from "../../../Models/TileRange";
import {BBox} from "../../BBox";
import LayerConfig from "../../../Models/ThemeConfig/LayerConfig";
@ -33,21 +32,6 @@ export default class TiledFromLocalStorageSource implements TileHierarchy<Featur
})
.filter(i => !isNaN(i))
console.debug("Layer", layer.layerDef.id, "has following tiles in available in localstorage", knownTiles.map(i => Tiles.tile_from_index(i).join("/")).join(", "))
for (const index of knownTiles) {
const prefix = SaveTileToLocalStorageActor.storageKey + "-" + layer.layerDef.id + "-" + index;
const version = localStorage.getItem(prefix + "-format")
if (version === undefined || version !== SaveTileToLocalStorageActor.formatVersion) {
// Invalid version! Remove this tile from local storage
localStorage.removeItem(prefix)
localStorage.removeItem(prefix + "-time")
localStorage.removeItem(prefix + "-format")
this.undefinedTiles.add(index)
console.log("Dropped old format tile", prefix)
}
}
const self = this
state.currentBounds.map(bounds => {
@ -91,7 +75,6 @@ export default class TiledFromLocalStorageSource implements TileHierarchy<Featur
static cleanCacheForLayer(layer: LayerConfig) {
const now = new Date()
const prefix = SaveTileToLocalStorageActor.storageKey + "-" + layer.id + "-"
console.log("Cleaning tiles of ", prefix, "with max age", layer.maxAgeOfCache)
for (const key of Object.keys(localStorage)) {
if (!(key.startsWith(prefix) && key.endsWith("-time"))) {
continue