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This commit is contained in:
Pieter Vander Vennet 2022-09-08 21:40:48 +02:00
parent e22d189376
commit b541d3eab4
382 changed files with 50893 additions and 35566 deletions
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87
Logic/FeatureSource/Actors/SaveTileToLocalStorageActor.ts
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@ -1,12 +1,12 @@
import FeatureSource, {Tiled} from "../FeatureSource";
import {Tiles} from "../../../Models/TileRange";
import {IdbLocalStorage} from "../../Web/IdbLocalStorage";
import {UIEventSource} from "../../UIEventSource";
import LayerConfig from "../../../Models/ThemeConfig/LayerConfig";
import {BBox} from "../../BBox";
import SimpleFeatureSource from "../Sources/SimpleFeatureSource";
import FilteredLayer from "../../../Models/FilteredLayer";
import Loc from "../../../Models/Loc";
import FeatureSource, { Tiled } from "../FeatureSource"
import { Tiles } from "../../../Models/TileRange"
import { IdbLocalStorage } from "../../Web/IdbLocalStorage"
import { UIEventSource } from "../../UIEventSource"
import LayerConfig from "../../../Models/ThemeConfig/LayerConfig"
import { BBox } from "../../BBox"
import SimpleFeatureSource from "../Sources/SimpleFeatureSource"
import FilteredLayer from "../../../Models/FilteredLayer"
import Loc from "../../../Models/Loc"
/***
* Saves all the features that are passed in to localstorage, so they can be retrieved on the next run
@ -15,20 +15,23 @@ import Loc from "../../../Models/Loc";
*/
export default class SaveTileToLocalStorageActor {
private readonly visitedTiles: UIEventSource<Map<number, Date>>
private readonly _layer: LayerConfig;
private readonly _layer: LayerConfig
private readonly _flayer: FilteredLayer
private readonly initializeTime = new Date()
constructor(layer: FilteredLayer) {
this._flayer = layer
this._layer = layer.layerDef
this.visitedTiles = IdbLocalStorage.Get("visited_tiles_" + this._layer.id,
{defaultValue: new Map<number, Date>(),})
this.visitedTiles.stabilized(100).addCallbackAndRunD(tiles => {
this.visitedTiles = IdbLocalStorage.Get("visited_tiles_" + this._layer.id, {
defaultValue: new Map<number, Date>(),
})
this.visitedTiles.stabilized(100).addCallbackAndRunD((tiles) => {
for (const key of Array.from(tiles.keys())) {
const tileFreshness = tiles.get(key)
const toOld = (this.initializeTime.getTime() - tileFreshness.getTime()) > 1000 * this._layer.maxAgeOfCache
const toOld =
this.initializeTime.getTime() - tileFreshness.getTime() >
1000 * this._layer.maxAgeOfCache
if (toOld) {
// Purge this tile
this.SetIdb(key, undefined)
@ -37,27 +40,28 @@ export default class SaveTileToLocalStorageActor {
}
}
this.visitedTiles.ping()
return true;
return true
})
}
public LoadTilesFromDisk(currentBounds: UIEventSource<BBox>, location: UIEventSource<Loc>,
registerFreshness: (tileId: number, freshness: Date) => void,
registerTile: ((src: FeatureSource & Tiled) => void)) {
const self = this;
public LoadTilesFromDisk(
currentBounds: UIEventSource<BBox>,
location: UIEventSource<Loc>,
registerFreshness: (tileId: number, freshness: Date) => void,
registerTile: (src: FeatureSource & Tiled) => void
) {
const self = this
const loadedTiles = new Set<number>()
this.visitedTiles.addCallbackD(tiles => {
this.visitedTiles.addCallbackD((tiles) => {
if (tiles.size === 0) {
// We don't do anything yet as probably not yet loaded from disk
// We'll unregister later on
return;
return
}
currentBounds.addCallbackAndRunD(bbox => {
currentBounds.addCallbackAndRunD((bbox) => {
if (self._layer.minzoomVisible > location.data.zoom) {
// Not enough zoom
return;
return
}
// Iterate over all available keys in the local storage, check which are needed and fresh enough
@ -71,32 +75,35 @@ export default class SaveTileToLocalStorageActor {
registerFreshness(key, tileFreshness)
const tileBbox = BBox.fromTileIndex(key)
if (!bbox.overlapsWith(tileBbox)) {
continue;
continue
}
if (loadedTiles.has(key)) {
// Already loaded earlier
continue
}
loadedTiles.add(key)
this.GetIdb(key).then((features: { feature: any, freshness: Date }[]) => {
if(features === undefined){
return;
this.GetIdb(key).then((features: { feature: any; freshness: Date }[]) => {
if (features === undefined) {
return
}
console.debug("Loaded tile " + self._layer.id + "_" + key + " from disk")
const src = new SimpleFeatureSource(self._flayer, key, new UIEventSource<{ feature: any; freshness: Date }[]>(features))
const src = new SimpleFeatureSource(
self._flayer,
key,
new UIEventSource<{ feature: any; freshness: Date }[]>(features)
)
registerTile(src)
})
}
})
return true; // Remove the callback
return true // Remove the callback
})
}
public addTile(tile: FeatureSource & Tiled) {
const self = this
tile.features.addCallbackAndRunD(features => {
tile.features.addCallbackAndRunD((features) => {
const now = new Date()
if (features.length > 0) {
@ -109,11 +116,10 @@ export default class SaveTileToLocalStorageActor {
public poison(lon: number, lat: number) {
for (let z = 0; z < 25; z++) {
const {x, y} = Tiles.embedded_tile(lat, lon, z)
const { x, y } = Tiles.embedded_tile(lat, lon, z)
const tileId = Tiles.tile_index(z, x, y)
this.visitedTiles.data.delete(tileId)
}
}
public MarkVisited(tileId: number, freshness: Date) {
@ -125,11 +131,18 @@ export default class SaveTileToLocalStorageActor {
try {
IdbLocalStorage.SetDirectly(this._layer.id + "_" + tileIndex, data)
} catch (e) {
console.error("Could not save tile to indexed-db: ", e, "tileIndex is:", tileIndex, "for layer", this._layer.id)
console.error(
"Could not save tile to indexed-db: ",
e,
"tileIndex is:",
tileIndex,
"for layer",
this._layer.id
)
}
}
private GetIdb(tileIndex) {
return IdbLocalStorage.GetDirectly(this._layer.id + "_" + tileIndex)
}
}
}