Further development of split-road feature; refactoring of change-handling

Logic/Osm/Actions/CreateNewNodeAction.ts

@@ -0,0 +1,44 @@
+import {Tag} from "../../Tags/Tag";
+import OsmChangeAction from "./OsmChangeAction";
+import {Changes} from "../Changes";
+import {ChangeDescription} from "./ChangeDescription";
+import {And} from "../../Tags/And";
+
+export default class CreateNewNodeAction implements OsmChangeAction {
+
+    private readonly _basicTags: Tag[];
+    private readonly _lat: number;
+    private readonly _lon: number;
+
+    constructor(basicTags: Tag[], lat: number, lon: number) {
+        this._basicTags = basicTags;
+        this._lat = lat;
+        this._lon = lon;
+    }
+
+    Perform(changes: Changes): ChangeDescription[] {
+        const id = changes.getNewID()
+        const properties = {
+            id: "node/" + id
+        }
+        for (const kv of this._basicTags) {
+            if (typeof kv.value !== "string") {
+                throw "Invalid value: don't use a regex in a preset"
+            }
+            properties[kv.key] = kv.value;
+        }
+
+        return [{
+            tags: new And(this._basicTags).asChange(properties),
+            type: "node",
+            id: id,
+            changes:{
+                lat: this._lat,
+                lon: this._lon
+            }
+        }]
+
+    }
+
+
+}