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Add names to feature sources, fix that old, cached geometries get changed when a newer version is loaded

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This commit is contained in:
Pieter Vander Vennet 2021-04-23 12:55:38 +02:00
parent 6234d26bac
commit 141d4db028
14 changed files with 60 additions and 43 deletions
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25
Logic/FeatureSource/GeoJsonSource.ts
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@ -14,12 +14,10 @@ import LayerConfig from "../../Customizations/JSON/LayerConfig";
*/
export default class GeoJsonSource implements FeatureSource {
features: UIEventSource<{ feature: any; freshness: Date }[]>;
public readonly features: UIEventSource<{ feature: any; freshness: Date }[]>;
public readonly name;
private readonly onFail: ((errorMsg: any, url: string) => void) = undefined;
private readonly layerId: string;
private readonly seenids: Set<string> = new Set<string>()
constructor(locationControl: UIEventSource<Loc>,
@ -27,6 +25,7 @@ export default class GeoJsonSource implements FeatureSource {
onFail?: ((errorMsg: any) => void)) {
this.layerId = flayer.layerDef.id;
let url = flayer.layerDef.source.geojsonSource;
this.name = "GeoJsonSource of " + url;
const zoomLevel = flayer.layerDef.source.geojsonZoomLevel;
this.features = new UIEventSource<{ feature: any; freshness: Date }[]>([])
@ -110,8 +109,6 @@ export default class GeoJsonSource implements FeatureSource {
flayersPerSource.get(url).push(flayer)
}
console.log("SOURCES", flayersPerSource)
const sources: GeoJsonSource[] = []
flayersPerSource.forEach((flayers, key) => {
@ -153,13 +150,11 @@ export default class GeoJsonSource implements FeatureSource {
const self = this;
$.getJSON(url, function (json, status) {
if (status !== "success") {
console.log("Fetching geojson failed failed")
self.onFail(status, url);
return;
}
if (json.elements === [] && json.remarks.indexOf("runtime error") > 0) {
console.log("Timeout or other runtime error");
self.onFail("Runtime error (timeout)", url)
return;
}
@ -179,19 +174,19 @@ export default class GeoJsonSource implements FeatureSource {
}
self.seenids.add(feature.properties.id)
let freshness : Date = time;
if(feature["_timestamp"] !== undefined){
let freshness: Date = time;
if (feature["_timestamp"] !== undefined) {
freshness = new Date(feature["_timestamp"])
}
newFeatures.push({feature: feature, freshness: freshness})
}
console.log("Downloaded "+newFeatures.length+" new features and "+skipped+" already seen features from "+ url);
if(newFeatures.length == 0){
console.debug("Downloaded " + newFeatures.length + " new features and " + skipped + " already seen features from " + url);
if (newFeatures.length == 0) {
return;
}
eventSource.setData(eventSource.data.concat(newFeatures))
}).fail(msg => self.onFail(msg, url))