Small refactoring: move changeset-handler creation to 'changes'

Logic/Osm/Changes.ts

@@ -11,7 +11,7 @@ import FeatureSource from "../FeatureSource/FeatureSource";
 import {ElementStorage} from "../ElementStorage";
 import {GeoLocationPointProperties} from "../Actors/GeoLocationHandler";
 import {GeoOperations} from "../GeoOperations";
-import {ChangesetTag} from "./ChangesetHandler";
+import {ChangesetHandler, ChangesetTag} from "./ChangesetHandler";
 import {OsmConnection} from "./OsmConnection";
 
 /**
@@ -33,6 +33,7 @@ export class Changes {
     private readonly isUploading = new UIEventSource(false);
     private readonly previouslyCreated: OsmObject[] = []
     private readonly _leftRightSensitive: boolean;
+    private _changesetHandler: ChangesetHandler;
 
     constructor(
         state?: {
@@ -47,6 +48,7 @@ export class Changes {
         // If a pending change contains a negative ID, we save that
         this._nextId = Math.min(-1, ...this.pendingChanges.data?.map(pch => pch.id) ?? [])
         this.state = state;
+        this._changesetHandler = state.osmConnection.CreateChangesetHandler(state.allElements, this)
 
         // Note: a changeset might be reused which was opened just before and might have already used some ids
         // This doesn't matter however, as the '-1' is per piecewise upload, not global per changeset
@@ -299,7 +301,7 @@ export class Changes {
             ...perBinMessage
         ]
 
-        await this.state.osmConnection.changesetHandler.UploadChangeset(
+        await this._changesetHandler.UploadChangeset(
             (csId) => Changes.createChangesetFor("" + csId, changes),
             metatags,
             openChangeset

Logic/Osm/ChangesetHandler.ts

@@ -23,6 +23,14 @@ export class ChangesetHandler {
     private readonly auth: any;
     private readonly backend: string;
 
+    /**
+     * Use 'osmConnection.CreateChangesetHandler' instead
+     * @param dryRun
+     * @param osmConnection
+     * @param allElements
+     * @param changes
+     * @param auth
+     */
     constructor(dryRun: UIEventSource<boolean>,
                 osmConnection: OsmConnection,
                 allElements: ElementStorage,

Logic/Osm/OsmConnection.ts

@@ -47,7 +47,6 @@ export class OsmConnection {
     public userDetails: UIEventSource<UserDetails>;
     public isLoggedIn: UIEventSource<boolean>
     public preferencesHandler: OsmPreferences;
-    public changesetHandler: ChangesetHandler;
     public readonly _oauth_config: {
         oauth_consumer_key: string,
         oauth_secret: string,
@@ -63,8 +62,6 @@ export class OsmConnection {
     constructor(options: {
                     dryRun?: UIEventSource<boolean>,
                     fakeUser?: false | boolean,
-                    allElements: ElementStorage,
-                    changes: Changes,
                     oauth_token?: UIEventSource<string>,
                     // Used to keep multiple changesets open and to write to the correct changeset
                     singlePage?: boolean,
@@ -102,7 +99,6 @@ export class OsmConnection {
 
         this.preferencesHandler = new OsmPreferences(this.auth, this);
 
-        this.changesetHandler = new ChangesetHandler(this._dryRun, this, options.allElements, options.changes, this.auth);
         if (options.oauth_token?.data !== undefined) {
             console.log(options.oauth_token.data)
             const self = this;
@@ -122,6 +118,10 @@ export class OsmConnection {
         }
     }
     
+    public CreateChangesetHandler(allElements: ElementStorage, changes: Changes){
+        return new ChangesetHandler(this._dryRun, this, allElements, changes, this.auth);
+    }
+
     public GetPreference(key: string, prefix: string = "mapcomplete-"): UIEventSource<string> {
         return this.preferencesHandler.GetPreference(key, prefix);
     }

Logic/State/UserRelatedState.ts

@@ -33,10 +33,8 @@ export default class UserRelatedState extends ElementsState {
         super(layoutToUse);
 
         this.osmConnection = new OsmConnection({
-            changes: this.changes,
             dryRun: this.featureSwitchIsTesting,
             fakeUser: this.featureSwitchFakeUser.data,
-            allElements: this.allElements,
             oauth_token: QueryParameters.GetQueryParameter(
                 "oauth_token",
                 undefined,

UI/AutomatonGui.ts

@@ -224,8 +224,6 @@ class AutomatonGui {
     constructor() {
 
         const osmConnection = new OsmConnection({
-            allElements: undefined,
-            changes: undefined,
             singlePage: false,
             oauth_token: QueryParameters.GetQueryParameter("oauth_token", "OAuth token")
         });

test/OsmConnection.spec.ts

@@ -2,8 +2,6 @@ import T from "./TestHelper";
 import UserDetails, {OsmConnection} from "../Logic/Osm/OsmConnection";
 import {UIEventSource} from "../Logic/UIEventSource";
 import ScriptUtils from "../scripts/ScriptUtils";
-import {ElementStorage} from "../Logic/ElementStorage";
-import {Changes} from "../Logic/Osm/Changes";
 
 
 export default class OsmConnectionSpec extends T {
@@ -19,8 +17,6 @@ export default class OsmConnectionSpec extends T {
                 () => {
                     const osmConn = new OsmConnection({
                             osmConfiguration: "osm-test",
-                            allElements: new ElementStorage(),
-                            changes: new Changes(),
                             oauth_token: new UIEventSource<string>(OsmConnectionSpec._osm_token)
                         }
                     );