contrapunctus/MapComplete
1
0
Fork 0
forked from MapComplete/MapComplete
Code Pull requests Activity

Finish the export functionality: move logic around a bit, add license information for reusers, wire the functionality as feature switch

Browse source
This commit is contained in:
Pieter Vander Vennet 2021-07-16 01:42:09 +02:00
parent 3001a563d2
commit abd7db100d
10 changed files with 98 additions and 65 deletions
Download patch file Download diff file Expand all files Collapse all files

38
Logic/FeatureSource/FeatureSource.ts
View file

@ -1,9 +1,45 @@
import {UIEventSource} from "../UIEventSource";
import {Utils} from "../../Utils";
export default interface FeatureSource {
features: UIEventSource<{feature: any, freshness: Date}[]>;
features: UIEventSource<{ feature: any, freshness: Date }[]>;
/**
* Mainly used for debuging
*/
name: string;
}
export class FeatureSourceUtils {
/**
* Exports given featurePipeline as a geojson FeatureLists (downloads as a json)
* @param featurePipeline The FeaturePipeline you want to export
* @param options The options object
* @param options.metadata True if you want to include the MapComplete metadata, false otherwise
*/
public static extractGeoJson(featurePipeline: FeatureSource, options: { metadata?: boolean } = {}) {
let defaults = {
metadata: false,
}
options = Utils.setDefaults(options, defaults);
// Select all features, ignore the freshness and other data
let featureList: any[] = featurePipeline.features.data.map((feature) => feature.feature);
if (!options.metadata) {
for (let i = 0; i < featureList.length; i++) {
let feature = featureList[i];
for (let property in feature.properties) {
if (property[0] == "_") {
delete featureList[i]["properties"][property];
}
}
}
}
return {type: "FeatureCollection", features: featureList}
}
}