Desktop: Fixes #10077 - Special characters in notebooks and tags are not sorted alphabetically

packages/app-desktop/gui/TagList.tsx

@@ -2,6 +2,7 @@ import * as React from 'react';
 import { useMemo } from 'react';
 import { AppState } from '../app.reducer';
 import TagItem from './TagItem';
+import { getCollator, getCollatorLocale } from '@joplin/lib/models/utils/getCollator';
 
 const { connect } = require('react-redux');
 const { themeStyle } = require('@joplin/lib/theme');
@@ -13,6 +14,7 @@ interface Props {
 }
 
 function TagList(props: Props) {
+	const collatorLocale = getCollatorLocale();
 	const style = useMemo(() => {
 		const theme = themeStyle(props.themeId);
 
@@ -29,13 +31,13 @@ function TagList(props: Props) {
 
 	const tags = useMemo(() => {
 		const output = props.items.slice();
-
+		const collator = getCollator(collatorLocale);
 		output.sort((a: any, b: any) => {
-			return a.title < b.title ? -1 : +1;
+			return collator.compare(a.title, b.title);
 		});
 
 		return output;
-	}, [props.items]);
+	}, [props.items, collatorLocale]);
 
 	const tagItems = useMemo(() => {
 		const output = [];

packages/lib/BaseApplication.ts

@@ -483,6 +483,11 @@ export default class BaseApplication {
 			refreshNotes = true;
 		}
 
+		if (action.type === 'SETTING_UPDATE_ONE' && action.key === 'locale') {
+			refreshNotes = true;
+			doRefreshFolders = 'now';
+		}
+
 		if (action.type === 'SMART_FILTER_SELECT') {
 			refreshNotes = true;
 			refreshNotesUseSelectedNoteId = true;

packages/lib/components/shared/side-menu-shared.ts

@@ -2,6 +2,7 @@ import Folder from '../../models/Folder';
 import BaseModel from '../../BaseModel';
 import { FolderEntity, TagEntity } from '../../services/database/types';
 import { getDisplayParentId, getTrashFolderId } from '../../services/trash';
+import { getCollator } from '../../models/utils/getCollator';
 
 interface Props {
 	folders: FolderEntity[];
@@ -72,6 +73,7 @@ export const renderFolders = (props: Props, renderItem: RenderFolderItem) => {
 
 export const renderTags = (props: Props, renderItem: RenderTagItem) => {
 	const tags = props.tags.slice();
+	const collator = getCollator();
 	tags.sort((a, b) => {
 		// It seems title can sometimes be undefined (perhaps when syncing
 		// and before tag has been decrypted?). It would be best to find
@@ -83,7 +85,7 @@ export const renderTags = (props: Props, renderItem: RenderTagItem) => {
 		// Note: while newly created tags are normalized and lowercase
 		// imported tags might be any case, so we need to do case-insensitive
 		// sort.
-		return a.title.toLowerCase() < b.title.toLowerCase() ? -1 : +1;
+		return collator.compare(a.title, b.title);
 	});
 	const tagItems = [];
 	const order: string[] = [];

packages/lib/models/Folder.test.ts

@@ -223,6 +223,34 @@ describe('models/Folder', () => {
 		expect(sortedFolderTree[2].id).toBe(f6.id);
 	}));
 
+	it('should sort folders with special chars alphabetically', (async () => {
+		const unsortedFolderTitles = ['ç', 'd', 'c', 'Ä', 'b', 'a'].map(firstChar => `${firstChar} folder`);
+		for (const folderTitle of unsortedFolderTitles) {
+			await Folder.save({ title: folderTitle });
+		}
+
+		const folders = await Folder.allAsTree();
+		const sortedFolderTree = await Folder.sortFolderTree(folders);
+
+		// same set of titles, but in alphabetical order
+		const sortedFolderTitles = ['a', 'Ä', 'b', 'c', 'ç', 'd'].map(firstChar => `${firstChar} folder`);
+		expect(sortedFolderTree.map(f => f.title)).toEqual(sortedFolderTitles);
+	}));
+
+	it('should sort numbers ascending', (async () => {
+		const unsortedFolderTitles = ['10', '1', '2'].map(firstChar => `${firstChar} folder`);
+		for (const folderTitle of unsortedFolderTitles) {
+			await Folder.save({ title: folderTitle });
+		}
+
+		const folders = await Folder.allAsTree();
+		const sortedFolderTree = await Folder.sortFolderTree(folders);
+
+		// same set of titles, but in ascending order
+		const sortedFolderTitles = ['1', '2', '10'].map(firstChar => `${firstChar} folder`);
+		expect(sortedFolderTree.map(f => f.title)).toEqual(sortedFolderTitles);
+	}));
+
 	it('should not allow setting a folder parent as itself', (async () => {
 		const f1 = await Folder.save({ title: 'folder1' });
 		const hasThrown = await checkThrowAsync(() => Folder.save({ id: f1.id, parent_id: f1.id }, { userSideValidation: true }));

packages/lib/models/Folder.ts

@@ -13,9 +13,11 @@ import syncDebugLog from '../services/synchronizer/syncDebugLog';
 import ResourceService from '../services/ResourceService';
 import { LoadOptions } from './utils/types';
 import ActionLogger from '../utils/ActionLogger';
+
 import { getTrashFolder } from '../services/trash';
 import getConflictFolderId from './utils/getConflictFolderId';
 import getTrashFolderId from '../services/trash/getTrashFolderId';
+import { getCollator } from './utils/getCollator';
 const { substrWithEllipsis } = require('../string-utils.js');
 
 const logger = Logger.create('models/Folder');
@@ -298,8 +300,18 @@ export default class Folder extends BaseItem {
 		return output;
 	}
 
+	public static handleTitleNaturalSorting(items: FolderEntity[], options: any) {
+		if (options.order?.length > 0 && options.order[0].by === 'title') {
+			const collator = getCollator();
+			items.sort((a, b) => ((options.order[0].dir === 'ASC') ? 1 : -1) * collator.compare(a.title, b.title));
+		}
+	}
+
 	public static async all(options: FolderLoadOptions = null) {
 		let output: FolderEntity[] = await super.all(options);
+		if (options) {
+			this.handleTitleNaturalSorting(output, options);
+		}
 
 		if (options && options.includeDeleted === false) {
 			output = output.filter(f => !f.deleted_time);
@@ -768,9 +780,10 @@ export default class Folder extends BaseItem {
 		const output = folders ? folders : await this.allAsTree();
 
 		const sortFoldersAlphabetically = (folders: FolderEntityWithChildren[]) => {
+			const collator = getCollator();
 			folders.sort((a: FolderEntityWithChildren, b: FolderEntityWithChildren) => {
 				if (a.parent_id === b.parent_id) {
-					return a.title.localeCompare(b.title, undefined, { sensitivity: 'accent' });
+					return collator.compare(a.title, b.title);
 				}
 				return 0;
 			});

packages/lib/models/Note.ts

@@ -18,6 +18,7 @@ import { pull, removeElement, unique } from '../ArrayUtils';
 import { LoadOptions, SaveOptions } from './utils/types';
 import ActionLogger from '../utils/ActionLogger';
 import { getDisplayParentId, getTrashFolderId } from '../services/trash';
+import { getCollator } from './utils/getCollator';
 const urlUtils = require('../urlUtils.js');
 const { isImageMimeType } = require('../resourceUtils');
 const { MarkupToHtml } = require('@joplin/renderer');
@@ -294,8 +295,7 @@ export default class Note extends BaseItem {
 
 			return noteFieldComp(a.id, b.id);
 		};
-
-		const collator = this.getNaturalSortingCollator();
+		const collator = getCollator();
 
 		return notes.sort((a: NoteEntity, b: NoteEntity) => {
 			if (noteOnTop(a) && !noteOnTop(b)) return -1;
@@ -1121,15 +1121,11 @@ export default class Note extends BaseItem {
 
 	public static handleTitleNaturalSorting(items: NoteEntity[], options: any) {
 		if (options.order.length > 0 && options.order[0].by === 'title') {
-			const collator = this.getNaturalSortingCollator();
+			const collator = getCollator();
 			items.sort((a, b) => ((options.order[0].dir === 'ASC') ? 1 : -1) * collator.compare(a.title, b.title));
 		}
 	}
 
-	public static getNaturalSortingCollator() {
-		return new Intl.Collator(undefined, { numeric: true, sensitivity: 'base' });
-	}
-
 	public static async createConflictNote(sourceNote: NoteEntity, changeSource: number): Promise<NoteEntity> {
 		const conflictNote = { ...sourceNote };
 		delete conflictNote.id;

packages/lib/models/utils/getCollator.ts

@@ -0,0 +1,12 @@
+import { currentLocale, languageCodeOnly } from '../../locale';
+
+function getCollator(locale: string = getCollatorLocale()) {
+	return new Intl.Collator(locale, { numeric: true, sensitivity: 'accent' });
+}
+
+function getCollatorLocale() {
+	const collatorLocale = languageCodeOnly(currentLocale());
+	return collatorLocale;
+}
+
+export { getCollator, getCollatorLocale };