feat(ui): Add rename/delete category actions in the sidebar

appinfo/routes.php

@@ -92,6 +92,16 @@
 		'verb' => 'DELETE',
 		'requirements' => ['id' => '\d+'],
 	],
+	[
+		'name' => 'notes#renameCategory',
+		'url' => '/notes/category',
+		'verb' => 'PATCH',
+	],
+	[
+		'name' => 'notes#deleteCategory',
+		'url' => '/notes/category',
+		'verb' => 'DELETE',
+	],
 
 	//////////  A T T A C H M E N T S  //////////
 

lib/Controller/NotesController.php

@@ -329,6 +329,26 @@ public function destroy(int $id) : JSONResponse {
 		});
 	}
 
+	/**
+	 *
+	 */
+	#[NoAdminRequired]
+	public function renameCategory(string $oldCategory, string $newCategory) : JSONResponse {
+		return $this->helper->handleErrorResponse(function () use ($oldCategory, $newCategory) {
+			return $this->notesService->renameCategory($this->helper->getUID(), $oldCategory, $newCategory);
+		});
+	}
+
+	/**
+	 *
+	 */
+	#[NoAdminRequired]
+	public function deleteCategory(string $category) : JSONResponse {
+		return $this->helper->handleErrorResponse(function () use ($category) {
+			return $this->notesService->deleteCategory($this->helper->getUID(), $category);
+		});
+	}
+
 	/**
 	 * With help from: https://github.com/nextcloud/cookbook
 	 * @return JSONResponse|StreamResponse

lib/Service/NoteUtil.php

@@ -60,16 +60,22 @@ public function getTagService() : TagService {
 		return $this->tagService;
 	}
 
-	public function getCategoryFolder(Folder $notesFolder, string $category) {
-		$path = $notesFolder->getPath();
-		// sanitise path
+	public function normalizeCategoryPath(string $category) : string {
 		$cats = explode('/', $category);
 		$cats = array_map([$this, 'sanitisePath'], $cats);
 		$cats = array_filter($cats, function ($str) {
 			return $str !== '';
 		});
-		$path .= '/' . implode('/', $cats);
-		return $this->getOrCreateFolder($path);
+		return implode('/', $cats);
+	}
+
+	public function getCategoryFolder(Folder $notesFolder, string $category, bool $create = true) : Folder {
+		$path = $notesFolder->getPath();
+		$normalized = $this->normalizeCategoryPath($category);
+		if ($normalized !== '') {
+			$path .= '/' . $normalized;
+		}
+		return $this->getOrCreateFolder($path, $create);
 	}
 
 	/**

lib/Service/NotesService.php

@@ -153,6 +153,86 @@ public function delete(string $userId, int $id) {
 		$this->noteUtil->deleteEmptyFolder($parent, $notesFolder);
 	}
 
+	/**
+	 * @throws NoteDoesNotExistException
+	 */
+	public function renameCategory(string $userId, string $oldCategory, string $newCategory) : array {
+		$oldCategory = $this->noteUtil->normalizeCategoryPath($oldCategory);
+		$newCategory = $this->noteUtil->normalizeCategoryPath($newCategory);
+		if ($oldCategory === '' || $newCategory === '') {
+			throw new \InvalidArgumentException('Category must not be empty');
+		}
+		if ($oldCategory === $newCategory) {
+			return [
+				'oldCategory' => $oldCategory,
+				'newCategory' => $newCategory,
+			];
+		}
+		if (str_starts_with($newCategory, $oldCategory . '/')) {
+			throw new \InvalidArgumentException('Target category must not be a descendant of source category');
+		}
+
+		$notesFolder = $this->getNotesFolder($userId);
+		try {
+			$oldFolder = $this->noteUtil->getCategoryFolder($notesFolder, $oldCategory, false);
+		} catch (NotesFolderException $e) {
+			throw new NoteDoesNotExistException();
+		}
+
+		if ($notesFolder->nodeExists($newCategory)) {
+			throw new \InvalidArgumentException('Target category already exists');
+		}
+
+		$targetParentCategory = dirname($newCategory);
+		if ($targetParentCategory === '.') {
+			$targetParentCategory = '';
+		}
+		$targetParent = $this->noteUtil->getCategoryFolder($notesFolder, $targetParentCategory, true);
+
+		$oldParent = $oldFolder->getParent();
+		$targetPath = $targetParent->getPath() . '/' . basename($newCategory);
+		$oldFolder->move($targetPath);
+		if ($oldParent instanceof Folder) {
+			$this->noteUtil->deleteEmptyFolder($oldParent, $notesFolder);
+		}
+
+		return [
+			'oldCategory' => $oldCategory,
+			'newCategory' => $newCategory,
+		];
+	}
+
+	/**
+	 * @throws NoteDoesNotExistException
+	 */
+	public function deleteCategory(string $userId, string $category) : array {
+		$category = $this->noteUtil->normalizeCategoryPath($category);
+		if ($category === '') {
+			throw new \InvalidArgumentException('Category must not be empty');
+		}
+
+		$notesFolder = $this->getNotesFolder($userId);
+		try {
+			$folder = $this->noteUtil->getCategoryFolder($notesFolder, $category, false);
+		} catch (NotesFolderException $e) {
+			// If category folder was already removed (e.g. last note moved away),
+			// treat delete as idempotent success.
+			return [
+				'category' => $category,
+			];
+		}
+
+		$parent = $folder->getParent();
+		$folder->delete();
+		if ($parent instanceof Folder) {
+			$this->noteUtil->deleteEmptyFolder($parent, $notesFolder);
+		}
+
+		return [
+			'category' => $category,
+		];
+	}
+
 	public function getTitleFromContent(string $content) : string {
 		$content = $this->noteUtil->stripMarkdown($content);
 		return $this->noteUtil->getSafeTitle($content);

src/App.vue

@@ -9,16 +9,16 @@
 		<NcAppNavigation :class="{loading: loading.notes, 'icon-error': error}">
 			<NcAppNavigationNew
 				v-show="!loading.notes && !error"
-				:text="t('notes', 'New note')"
-				@click="onNewNote"
+				:text="t('notes', 'New category')"
+				@click="onNewCategory"
+				@dragover.native="onNewCategoryDragOver"
+				@drop.native="onNewCategoryDrop"
 			>
-				<PlusIcon slot="icon" :size="20" />
+				<FolderPlusIcon slot="icon" :size="20" />
 			</NcAppNavigationNew>
 
 			<template #list>
-				<CategoriesList v-show="!loading.notes"
-					v-if="numNotes"
-				/>
+				<CategoriesList v-show="!loading.notes" />
 			</template>
 
 			<template #footer>
@@ -54,16 +54,18 @@ import NcContent from '@nextcloud/vue/components/NcContent'
 import { loadState } from '@nextcloud/initial-state'
 import { showSuccess, TOAST_UNDO_TIMEOUT, TOAST_PERMANENT_TIMEOUT } from '@nextcloud/dialogs'
 import '@nextcloud/dialogs/style.css'
+import { emit } from '@nextcloud/event-bus'
 
-import PlusIcon from 'vue-material-design-icons/Plus.vue'
 import CogIcon from 'vue-material-design-icons/CogOutline.vue'
+import FolderPlusIcon from 'vue-material-design-icons/FolderPlus.vue'
 
 import AppSettings from './components/AppSettings.vue'
 import CategoriesList from './components/CategoriesList.vue'
 import EditorHint from './components/Modal/EditorHint.vue'
 
 import { config } from './config.js'
-import { fetchNotes, noteExists, createNote, undoDeleteNote } from './NotesService.js'
+import { fetchNotes, noteExists, undoDeleteNote } from './NotesService.js'
+import { getDraggedNoteId, isNoteDrag } from './Util.js'
 import store from './store.js'
 
 export default {
@@ -79,7 +81,7 @@ export default {
 		NcAppNavigationNew,
 		NcAppNavigationItem,
 		NcContent,
-		PlusIcon,
+		FolderPlusIcon,
 	},
 
 	data() {
@@ -89,7 +91,6 @@ export default {
 			},
 			loading: {
 				notes: true,
-				create: false,
 			},
 			error: false,
 			undoNotification: null,
@@ -227,20 +228,28 @@ export default {
 			this.settingsVisible = true
 		},
 
-		onNewNote() {
-			if (this.loading.create) {
+		onNewCategory() {
+			emit('notes:category:new')
+		},
+
+		onNewCategoryDragOver(event) {
+			if (!isNoteDrag(event)) {
 				return
 			}
-			this.loading.create = true
-			createNote(store.getters.getSelectedCategory())
-				.then(note => {
-					this.routeToNote(note.id, { new: null })
-				})
-				.catch(() => {
-				})
-				.finally(() => {
-					this.loading.create = false
-				})
+			event.preventDefault()
+			if (event.dataTransfer) {
+				event.dataTransfer.dropEffect = 'move'
+			}
+		},
+
+		onNewCategoryDrop(event) {
+			const noteId = getDraggedNoteId(event, noteId => store.getters.getNote(noteId))
+			if (noteId === null) {
+				return
+			}
+			event.preventDefault()
+			event.stopPropagation()
+			emit('notes:category:new', { noteId })
 		},
 
 		onNoteDeleted(note) {
@@ -325,4 +334,19 @@ export default {
 	padding-inline-start: 3px;
 	margin: 0 3px;
 }
+
+:deep(.app-navigation__body) {
+	overflow: hidden !important;
+	flex: 0 0 auto;
+}
+
+:deep(.app-navigation__content) {
+	min-height: 0;
+}
+
+:deep(.app-navigation__list) {
+	flex: 1 1 auto;
+	min-height: 0;
+	height: auto !important;
+}
 </style>

src/NotesService.js

@@ -364,6 +364,32 @@ export const setCategory = (noteId, category) => {
 		})
 }
 
+export const renameCategory = (oldCategory, newCategory) => {
+	return axios
+		.patch(url('/notes/category'), null, { params: { oldCategory, newCategory } })
+		.then(response => {
+			return response.data
+		})
+		.catch(err => {
+			console.error(err)
+			handleSyncError(t('notes', 'Renaming category "{category}" has failed.', { category: oldCategory }), err)
+			throw err
+		})
+}
+
+export const deleteCategory = (category) => {
+	return axios
+		.delete(url('/notes/category'), { params: { category } })
+		.then(response => {
+			return response.data
+		})
+		.catch(err => {
+			console.error(err)
+			handleSyncError(t('notes', 'Deleting category "{category}" has failed.', { category }), err)
+			throw err
+		})
+}
+
 export const queueCommand = (noteId, type) => {
 	store.commit('addToQueue', { noteId, type })
 	_processQueue()

src/Util.js

@@ -33,6 +33,68 @@ export const routeIsNewNote = ($route) => {
 	return {}.hasOwnProperty.call($route.query, 'new')
 }
 
+export const isNoteDrag = (event) => {
+	const dt = event?.dataTransfer
+	if (!dt) {
+		return false
+	}
+
+	const types = Array.from(dt.types ?? [])
+	if (types.includes('application/x-nextcloud-notes-note-id')) {
+		return true
+	}
+	if (types.includes('text/uri-list')) {
+		return false
+	}
+	try {
+		return /^\s*\d+\s*$/.test(dt.getData('text/plain'))
+	} catch {
+		return false
+	}
+}
+
+export const getDraggedNoteId = (event, getNoteById) => {
+	const dt = event?.dataTransfer
+	if (!dt) {
+		return null
+	}
+
+	const types = Array.from(dt.types ?? [])
+	const hasCustom = types.includes('application/x-nextcloud-notes-note-id')
+	const hasUri = types.includes('text/uri-list')
+	if (!hasCustom && hasUri) {
+		return null
+	}
+
+	let raw = ''
+	if (hasCustom) {
+		try {
+			raw = dt.getData('application/x-nextcloud-notes-note-id')
+		} catch {
+			// Some browsers only allow specific mime types.
+		}
+	}
+	if (!raw) {
+		try {
+			raw = dt.getData('text/plain')
+		} catch {
+			raw = ''
+		}
+	}
+
+	const match = /^\s*(\d+)\s*$/.exec(raw)
+	const noteId = match ? Number.parseInt(match[1], 10) : Number.NaN
+	if (!Number.isFinite(noteId)) {
+		return null
+	}
+	const note = getNoteById ? getNoteById(noteId) : null
+	if (!note || note.readonly) {
+		return null
+	}
+
+	return noteId
+}
+
 export const getDefaultSampleNoteTitle = () => {
 	return t('notes', 'Sample note')
 }