[stable31] feat(sharing): ability to leave a shared board

appinfo/routes.php

@@ -22,6 +22,7 @@
 		['name' => 'board#update', 'url' => '/boards/{boardId}', 'verb' => 'PUT'],
 		['name' => 'board#delete', 'url' => '/boards/{boardId}', 'verb' => 'DELETE'],
 		['name' => 'board#deleteUndo', 'url' => '/boards/{boardId}/deleteUndo', 'verb' => 'POST'],
+		['name' => 'board#leave', 'url' => '/boards/{boardId}/leave', 'verb' => 'POST'],
 		['name' => 'board#getUserPermissions', 'url' => '/boards/{boardId}/permissions', 'verb' => 'GET'],
 		['name' => 'board#addAcl', 'url' => '/boards/{boardId}/acl', 'verb' => 'POST'],
 		['name' => 'board#updateAcl', 'url' => '/boards/{boardId}/acl/{aclId}', 'verb' => 'PUT'],

lib/Controller/BoardController.php

@@ -82,6 +82,15 @@ public function deleteUndo($boardId) {
 		return $this->boardService->deleteUndo($boardId);
 	}
 
+	/**
+	 * @NoAdminRequired
+	 * @param $boardId
+	 * @return \OCP\AppFramework\Db\Entity|null
+	 */
+	public function leave(int $boardId) {
+		return $this->boardService->leave($boardId);
+	}
+
 	/**
 	 * @NoAdminRequired
 	 * @param $boardId

lib/Db/AclMapper.php

@@ -98,6 +98,16 @@ public function findByParticipant($type, $participant): array {
 		return $this->findEntities($qb);
 	}
 
+	public function findParticipantFromBoard(int $boardId, int $type, string $participant): ?Acl {
+		$qb = $this->db->getQueryBuilder();
+		$qb->select('*')
+			->from('deck_board_acl')
+			->where($qb->expr()->eq('type', $qb->createNamedParameter($type, IQueryBuilder::PARAM_INT)))
+			->where($qb->expr()->eq('participant', $qb->createNamedParameter($participant, IQueryBuilder::PARAM_STR)))
+			->andWhere($qb->expr()->eq('board_id', $qb->createNamedParameter($boardId, IQueryBuilder::PARAM_INT)));
+		return $this->findEntity($qb);
+	}
+
 	/**
 	 * @throws \OCP\DB\Exception
 	 */

lib/Service/BoardService.php

@@ -466,6 +466,37 @@ public function deleteAcl(int $id): ?Acl {
 		return $deletedAcl;
 	}
 
+	public function leave(int $boardId): ?Acl {
+		if ($this->permissionService->userIsBoardOwner($boardId)) {
+			throw new BadRequestException('Board owner cannot leave board');
+		}
+
+		$acl = $this->aclMapper->findParticipantFromBoard($boardId, Acl::PERMISSION_TYPE_USER, $this->userId);
+
+		if (!$acl) {
+			throw new BadRequestException('Not a participant of this board');
+		}
+
+		$this->assignedUsersMapper->deleteByParticipantOnBoard($acl->getParticipant(), $acl->getBoardId());
+
+		$this->activityManager->triggerEvent(ActivityManager::DECK_OBJECT_BOARD, $acl, ActivityManager::SUBJECT_BOARD_UNSHARE);
+		$this->changeHelper->boardChanged($acl->getBoardId());
+
+		$version = \OCP\Util::getVersion()[0];
+		if ($version >= 16) {
+			try {
+				$resourceProvider = Server::get(\OCA\Deck\Collaboration\Resources\ResourceProvider::class);
+				$resourceProvider->invalidateAccessCache($acl->getBoardId());
+			} catch (\Exception $e) {
+			}
+		}
+
+		$deletedAcl = $this->aclMapper->delete($acl);
+		$this->eventDispatcher->dispatchTyped(new AclDeletedEvent($acl));
+
+		return $deletedAcl;
+	}
+
 	/**
 	 * @throws BadRequestException
 	 * @throws DbException

src/components/navigation/AppNavigationBoard.vue

@@ -112,6 +112,16 @@
 				@click="actionDelete">
 				{{ t('deck', 'Delete board') }}
 			</NcActionButton>
+
+			<NcActionButton v-if="canLeave && !isDueSubmenuActive"
+				icon="icon-delete"
+				:close-after-click="true"
+				@click="actionLeave">
+				<template #icon>
+					<LeaveIcon :size="20" decorative />
+				</template>
+				{{ t('deck', 'Leave board') }}
+			</NcActionButton>
 		</template>
 	</NcAppNavigationItem>
 	<div v-else-if="editing" class="board-edit">
@@ -152,12 +162,15 @@ import { NcAppNavigationIconBullet, NcAppNavigationItem, NcColorPicker, NcButton
 import ClickOutside from 'vue-click-outside'
 import ArchiveIcon from 'vue-material-design-icons/Archive.vue'
 import CloneIcon from 'vue-material-design-icons/ContentDuplicate.vue'
+import LeaveIcon from 'vue-material-design-icons/ExitRun.vue'
 import AccountIcon from 'vue-material-design-icons/Account.vue'
 import CloseIcon from 'vue-material-design-icons/Close.vue'
 import CheckIcon from 'vue-material-design-icons/Check.vue'
 
 import { loadState } from '@nextcloud/initial-state'
 import { emit } from '@nextcloud/event-bus'
+import { getCurrentUser } from '@nextcloud/auth'
+import { showError } from '@nextcloud/dialogs'
 
 import isTouchDevice from '../../mixins/isTouchDevice.js'
 import BoardCloneModal from './BoardCloneModal.vue'
@@ -178,6 +191,7 @@ export default {
 		CloneIcon,
 		CloseIcon,
 		CheckIcon,
+		LeaveIcon,
 		BoardCloneModal,
 	},
 	directives: {
@@ -207,6 +221,7 @@ export default {
 			updateDueSetting: null,
 			canCreate: canCreateState,
 			cloneModalOpen: false,
+			currentUser: getCurrentUser(),
 		}
 	},
 	computed: {
@@ -228,6 +243,9 @@ export default {
 		canManage() {
 			return this.board.permissions.PERMISSION_MANAGE
 		},
+		canLeave() {
+			return this.board.acl?.find((acl) => acl.participant.uid === this.currentUser?.uid && acl.participant.type === 0) !== undefined
+		},
 		dueDateReminderIcon() {
 			if (this.board.settings['notify-due'] === 'all') {
 				return 'icon-sound'
@@ -318,6 +336,33 @@ export default {
 				true,
 			)
 		},
+		actionLeave() {
+			OC.dialogs.confirmDestructive(
+				t('deck', 'Are you sure you want to leave the board {title}?', { title: this.board.title }),
+				t('deck', 'Leave the board?'),
+				{
+					type: OC.dialogs.YES_NO_BUTTONS,
+					confirm: t('deck', 'Leave'),
+					confirmClasses: 'error',
+					cancel: t('deck', 'Cancel'),
+				},
+				(result) => {
+					if (result) {
+						this.loading = true
+						this.boardApi.leaveBoard(this.board)
+							.then(() => {
+								this.loading = false
+								this.$store.dispatch('removeBoard', this.board)
+							})
+							.catch(() => {
+								showError(t('deck', 'Failed to leave the board'))
+								this.loading = false
+							})
+					}
+				},
+				true,
+			)
+		},
 		actionDetails() {
 			this.$router.push({ name: 'board.details', params: { id: this.board.id } })
 		},

src/services/BoardApi.js

@@ -93,6 +93,21 @@ export class BoardApi {
 			})
 	}
 
+	leaveBoard(board) {
+		return axios.post(this.url(`/boards/${board.id}/leave`))
+			.then(
+				() => {
+					return Promise.resolve()
+				},
+				(err) => {
+					return Promise.reject(err)
+				},
+			)
+			.catch((err) => {
+				return Promise.reject(err)
+			})
+	}
+
 	loadBoards() {
 		return axios.get(this.url('/boards'))
 			.then(