Desktop, Mobile: Resolves #10664: Allow user to generate deletion logs (#11083)

packages/app-desktop/commands/exportDeletionLog.ts

@@ -0,0 +1,52 @@
+
+import { CommandRuntime, CommandDeclaration } from '@joplin/lib/services/CommandService';
+import { _ } from '@joplin/lib/locale';
+import shim from '@joplin/lib/shim';
+import Setting from '@joplin/lib/models/Setting';
+import bridge from '../services/bridge';
+import { formatMsToLocal } from '@joplin/utils/time';
+
+export const declaration: CommandDeclaration = {
+	name: 'exportDeletionLog',
+	label: () => _('Export deletion log'),
+};
+
+const getDeletionLines = async (filePath: string) => {
+	const logFile: string = await shim.fsDriver().readFile(`${Setting.value('profileDir')}/${filePath}`);
+
+	const deletionLines = logFile
+		.split('\n')
+		.filter(line => line.includes('DeleteAction'));
+
+	if (!deletionLines.length) return '';
+
+	return `${deletionLines.join('\n')}\n`;
+};
+
+export const runtime = (): CommandRuntime => {
+	return {
+		execute: async () => {
+			const files = await shim.fsDriver().readDirStats(Setting.value('profileDir'));
+			// Get all log.txt and log-{timestamp}.txt files but ignore deletion_log.txt
+			const logFiles = files.filter(f => f.path.match(/^log(-\d+)?\.txt$/gi));
+
+			const lastOneAndCurrent = logFiles.sort().slice(logFiles.length - 2);
+
+			let allDeletionLines = '';
+			for (const file of lastOneAndCurrent) {
+
+				const deletionLines = await getDeletionLines(file.path);
+
+				allDeletionLines += deletionLines;
+			}
+
+			const fileName = `deletion_log_${formatMsToLocal(Date.now(), 'YYYYMMDD')}.txt`;
+
+			const deletionLogPath = `${Setting.value('profileDir')}/${fileName}`;
+
+			await shim.fsDriver().writeFile(deletionLogPath, allDeletionLines, 'utf8');
+
+			await bridge().openItem(deletionLogPath);
+		},
+	};
+};