Cli,Desktop,Mobile: Resolves #9465: Log user actions (deletions) (#9585)

packages/lib/utils/ActionLogger.ts

@@ -0,0 +1,44 @@
+import Logger from '@joplin/utils/Logger';
+
+export enum ItemActionType {
+	Delete = 'DeleteAction',
+}
+
+const actionTypeToLogger = {
+	[ItemActionType.Delete]: Logger.create(ItemActionType.Delete),
+};
+
+export default class ActionLogger {
+	private descriptions: string[] = [];
+
+	private constructor(private source: string) { }
+
+	public clone() {
+		const clone = new ActionLogger(this.source);
+		clone.descriptions = [...this.descriptions];
+		return clone;
+	}
+
+	// addDescription is used to add labels with information that may not be available
+	// when .log is called. For example, to include the title of a deleted note.
+	public addDescription(description: string) {
+		this.descriptions.push(description);
+	}
+
+	public log(action: ItemActionType, itemIds: string|string[]) {
+		const logger = actionTypeToLogger[action];
+		logger.info(`${this.source}: ${this.descriptions.join(',')}; Item IDs: ${JSON.stringify(itemIds)}`);
+	}
+
+	public static from(source: ActionLogger|string|undefined) {
+		if (!source) {
+			source = 'Unknown source';
+		}
+
+		if (typeof source === 'string') {
+			return new ActionLogger(source);
+		}
+
+		return source;
+	}
+}