reset to previous commit

Logic/FeatureSource/FeaturePipeline.ts

@@ -16,7 +16,7 @@ import RegisteringFeatureSource from "./RegisteringFeatureSource";
 
 export default class FeaturePipeline implements FeatureSource {
 
-    public features: UIEventSource<{ feature: any; freshness: Date }[]> ;
+    public features: UIEventSource<{ feature: any; freshness: Date }[]>;
 
     public readonly name = "FeaturePipeline"
 
@@ -29,7 +29,7 @@ export default class FeaturePipeline implements FeatureSource {
                 selectedElement: UIEventSource<any>) {
 
         const allLoadedFeatures = new UIEventSource<{ feature: any; freshness: Date }[]>([])
-        
+
         // first we metatag, then we save to get the metatags into storage too
         // Note that we need to register before we do metatagging (as it expects the event sources)
 
@@ -46,8 +46,11 @@ export default class FeaturePipeline implements FeatureSource {
         const geojsonSources: FeatureSource [] = GeoJsonSource
             .ConstructMultiSource(flayers.data, locationControl)
             .map(geojsonSource => {
-                let source = new RegisteringFeatureSource(new FeatureDuplicatorPerLayer(flayers, geojsonSource));
-                if(!geojsonSource.isOsmCache){
+                let source = new RegisteringFeatureSource(
+                    new FeatureDuplicatorPerLayer(flayers,
+                            geojsonSource
+                    ));
+                if (!geojsonSource.isOsmCache) {
                     source = new MetaTaggingFeatureSource(allLoadedFeatures, source, updater.features);
                 }
                 return source

Logic/FeatureSource/FeatureSource.ts

@@ -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}
+
+  
+    }
+
+
 }

Logic/FeatureSource/GeoJsonSource.ts

@@ -175,7 +175,7 @@ export default class GeoJsonSource implements FeatureSource {
 
                 let freshness: Date = time;
                 if (feature.properties["_last_edit:timestamp"] !== undefined) {
-                    freshness = new Date(feature["_last_edit:timestamp"])
+                    freshness = new Date(feature.properties["_last_edit:timestamp"])
                 }
 
                 newFeatures.push({feature: feature, freshness: freshness})