Small statistics prototype

test.ts

@@ -1,9 +1,93 @@
+import {Utils} from "./Utils";
+import Loading from "./UI/Base/Loading";
+import {UIEventSource} from "./Logic/UIEventSource";
+import {VariableUiElement} from "./UI/Base/VariableUIElement";
+import ChartJs from "./UI/Base/ChartJs";
+import Combine from "./UI/Base/Combine";
 
 
-import * as onwheels from "./assets/generated/themes/onwheels.json"
+const homeUrl = "https://raw.githubusercontent.com/pietervdvn/MapComplete/develop/Docs/Tools/stats/"
-import FeaturePipelineState from "./Logic/State/FeaturePipelineState";
+const stats_files = "file-overview.json"
-import LayoutConfig from "./Models/ThemeConfig/LayoutConfig";
+const index = UIEventSource.FromPromise(Utils.downloadJson(homeUrl + stats_files))
 
-const layout = new LayoutConfig(<any> onwheels, true)
 
-new FeaturePipelineState(layout)
+interface ChangeSetData {
+    "id": number,
+    "type": "Feature",
+    "geometry": {
+        "type": "Polygon",
+        "coordinates": [number, number][][]
+    },
+    "properties": {
+        "check_user": null,
+        "reasons": [],
+        "tags": [],
+        "features": [],
+        "user": string,
+        "uid": string,
+        "editor": string,
+        "comment": string,
+        "comments_count": number,
+        "source": string,
+        "imagery_used": string,
+        "date": string,
+        "reviewed_features": [],
+        "create": number,
+        "modify": number,
+        "delete": number,
+        "area": number,
+        "is_suspect": boolean,
+        "harmful": any,
+        "checked": boolean,
+        "check_date": any,
+        "metadata": {
+            "host": string,
+            "theme": string,
+            "imagery": string,
+            "language": string
+        }
+    }
+}
+
+
+new VariableUiElement(index.map(paths => {
+    if (paths === undefined) {
+        return new Loading("Loading overview...")
+    }
+    const downloaded = new UIEventSource<{ features: ChangeSetData[] }[]>([])
+
+    for (const filepath of paths) {
+        Utils.downloadJson(homeUrl + filepath).then(data => {
+            downloaded.data.push(data)
+            downloaded.ping()
+        })
+    }
+
+    return new VariableUiElement(downloaded.map(downloaded => {
+        const themeBreakdown = new Map<string, number>()
+        for (const feats of downloaded) {
+            console.log("Feats:", feats)
+            for (const feat of feats.features) {
+                const key = feat.properties.metadata.theme
+                const count = themeBreakdown.get(key) ?? 0
+                themeBreakdown.set(key, count + 1)
+            }
+        }
+        
+        const keys = Array.from(themeBreakdown.keys())
+        const values = keys.map( k => themeBreakdown.get(k))
+        
+        console.log(keys, values)
+        return new Combine([
+            "Got " + downloaded.length + " files out of " + paths.length,
+            new ChartJs({
+                type: "pie",
+                data: {
+                    datasets: [{data: values}],
+                    labels: keys
+                }
+            }).SetClass("w-1/3 h-full")
+        ]).SetClass("block w-full h-full")
+    })).SetClass("block w-full h-full")
+})).SetClass("block w-full h-full").AttachTo("maindiv")
+