Allow to set a primary color background

Signed-off-by: Julius Härtl <jus@bitgrid.net>

apps/dashboard/appinfo/routes.php

@@ -29,6 +29,6 @@ return [
 		['name' => 'dashboard#index', 'url' => '/', 'verb' => 'GET'],
 		['name' => 'dashboard#updateLayout', 'url' => '/layout', 'verb' => 'POST'],
 		['name' => 'dashboard#getBackground', 'url' => '/background', 'verb' => 'GET'],
-		['name' => 'dashboard#setBackground', 'url' => '/background', 'verb' => 'POST'],
+		['name' => 'dashboard#setBackground', 'url' => '/background/{type}', 'verb' => 'POST'],
 	]
 ];

apps/dashboard/lib/Controller/DashboardController.php

@@ -108,6 +108,7 @@ class DashboardController extends Controller {
 		$this->inititalStateService->provideInitialState('dashboard', 'firstRun', $this->config->getUserValue($this->userId, 'dashboard', 'firstRun', '1') === '1');
 		$this->inititalStateService->provideInitialState('dashboard', 'shippedBackgrounds', BackgroundService::SHIPPED_BACKGROUNDS);
 		$this->inititalStateService->provideInitialState('dashboard', 'background', $this->config->getUserValue($this->userId, 'dashboard', 'background', 'default'));
+		$this->inititalStateService->provideInitialState('dashboard', 'version', $this->config->getUserValue($this->userId, 'dashboard', 'backgroundVersion', 0));
 		$this->config->setUserValue($this->userId, 'dashboard', 'firstRun', '0');
 
 		return new TemplateResponse('dashboard', 'index');
@@ -126,18 +127,35 @@ class DashboardController extends Controller {
 	/**
 	 * @NoAdminRequired
 	 */
-	public function setBackground($path = null, $url = null, $shipped = null): JSONResponse {
-		if ($shipped !== null) {
-			$this->backgroundService->setShippedBackground($shipped);
-		} else if ($path !== null) {
-			$this->backgroundService->setFileBackground($path);
-		} else if ($url !== null) {
-			$this->backgroundService->setUrlBackground($url);
-		} else {
-			$this->backgroundService->setDefaultBackground();
+	public function setBackground(string $type = 'default', $value): JSONResponse {
+		$currentVersion = $this->config->getUserValue($this->userId, 'dashboard', 'backgroundVersion', 0);
+		try {
+			switch ($type) {
+				case 'shipped':
+					$this->backgroundService->setShippedBackground($value);
+					break;
+				case 'custom':
+					$this->backgroundService->setFileBackground($value);
+					break;
+				case 'color':
+					$this->backgroundService->setColorBackground($value);
+					break;
+				case 'default':
+					$this->backgroundService->setDefaultBackground();
+					break;
+				default:
+					return new JSONResponse(['error' => 'Invalid type provided'], Http::STATUS_BAD_REQUEST);
+			}
+		} catch (\InvalidArgumentException $e) {
+			return new JSONResponse(['error' => $e->getMessage()], Http::STATUS_BAD_REQUEST);
 		}
-
-		return new JSONResponse([]);
+		$currentVersion++;
+		$this->config->setUserValue($this->userId, 'dashboard', 'backgroundVersion', $currentVersion);
+		return new JSONResponse([
+			'type' => $type,
+			'value' => $value,
+			'version' => $this->config->getUserValue($this->userId, 'dashboard', 'backgroundVersion', $currentVersion)
+		]);
 	}
 
 	/**

apps/dashboard/lib/Service/BackgroundService.php

@@ -74,19 +74,17 @@ class BackgroundService {
 	}
 
 	public function setShippedBackground($fileName) {
+		if (!in_array($fileName, self::SHIPPED_BACKGROUNDS)) {
+			throw new \InvalidArgumentException('The given file name is invalid');
+		}
 		$this->config->setUserValue($this->userId, 'dashboard', 'background', $fileName);
 	}
 
-	public function setUrlBackground($url) {
-		$this->config->setUserValue($this->userId, 'dashboard', 'background', 'custom');
-		if (substr($url, 0, 1) === '/') {
-			$url = \OC::$server->getURLGenerator()->getAbsoluteURL($url);
+	public function setColorBackground(string $color) {
+		if (!preg_match('/^\#([0-9a-f]{3}|[0-9a-f]{6})$/i', $color)) {
+			throw new \InvalidArgumentException('The given color is invalid');
 		}
-
-		$client = \OC::$server->getHTTPClientService()->newClient();
-		$response = $client->get($url);
-		$content = $response->getBody();
-		$newFile = $this->dashboardUserFolder->newFile('background.jpg', $content);
+		$this->config->setUserValue($this->userId, 'dashboard', 'background', $color);
 	}
 
 	public function getBackground() {

apps/dashboard/src/App.vue

@@ -1,5 +1,5 @@
 <template>
-	<div id="app-dashboard" :style="{ backgroundImage: `url(${backgroundImage})` }">
+	<div id="app-dashboard" :style="backgroundStyle">
 		<h2>{{ greeting.text }}</h2>
 		<div class="statuses">
 			<div v-for="status in registeredStatus"
@@ -73,28 +73,16 @@ import { getCurrentUser } from '@nextcloud/auth'
 import { Modal } from '@nextcloud/vue'
 import Draggable from 'vuedraggable'
 import axios from '@nextcloud/axios'
-import { generateUrl, generateFilePath } from '@nextcloud/router'
+import { generateUrl } from '@nextcloud/router'
 import isMobile from './mixins/isMobile'
 import BackgroundSettings from './components/BackgroundSettings'
+import getBackgroundUrl from './helpers/getBackgroundUrl'
+import prefixWithBaseUrl from './helpers/prefixWithBaseUrl'
 
 const panels = loadState('dashboard', 'panels')
 const firstRun = loadState('dashboard', 'firstRun')
 const background = loadState('dashboard', 'background')
-
-const prefixWithBaseUrl = (url) => generateFilePath('dashboard', '', 'img/') + url
-
-// FIXME: move out duplicate
-const getBackgroundUrl = (background, time = 0) => {
-	if (background === 'default') {
-		if (window.OCA.Accessibility.theme === 'dark') {
-			return prefixWithBaseUrl('eduardo-neves-pedra-azul.jpg')
-		}
-		return prefixWithBaseUrl('kamil-porembinski-clouds.jpg')
-	} else if (background === 'custom') {
-		return generateUrl('/apps/dashboard/background') + '?v=' + time
-	}
-	return prefixWithBaseUrl(background)
-}
+const version = loadState('dashboard', 'version')
 
 export default {
 	name: 'App',
@@ -121,13 +109,21 @@ export default {
 			appStoreUrl: generateUrl('/settings/apps/dashboard'),
 			statuses: {},
 			background,
-			backgroundTime: Date.now(),
+			version,
 			defaultBackground: window.OCA.Accessibility.theme === 'dark' ? prefixWithBaseUrl('flickr-148302424@N05-36591009215.jpg?v=1') : prefixWithBaseUrl('flickr-paszczak000-8715851521.jpg?v=1'),
 		}
 	},
 	computed: {
 		backgroundImage() {
-			return getBackgroundUrl(this.background, this.backgroundTime)
+			return getBackgroundUrl(this.background, this.version)
+		},
+		backgroundStyle() {
+			if (this.background.match(/#[0-9A-Fa-f]{6}/g)) {
+				return null
+			}
+			return {
+				backgroundImage: `url(${this.backgroundImage})`,
+			}
 		},
 		tooltip() {
 			if (!this.firstRun) {
@@ -269,8 +265,9 @@ export default {
 				this.firstRun = false
 			}, 1000)
 		},
-		updateBackground(backgroundType) {
-			this.background = backgroundType
+		updateBackground(data) {
+			this.background = data.type === 'custom' || data.type === 'default' ? data.type : data.value
+			this.version = data.version
 		},
 	},
 }

apps/dashboard/src/components/BackgroundSettings.vue

@@ -41,6 +41,15 @@
 				{{ t('dashboard', 'Default images') }}
 			</div>
 		</a>
+		<a class="background color"
+			tabindex="0"
+			@click="pickColor"
+			@keyup.enter="pickColor"
+			@keyup.space="pickColor">
+			<div class="background--preview">
+				{{ t('dashboard', 'Plain background') }}
+			</div>
+		</a>
 		<a v-for="background in shippedBackgrounds"
 			:key="background.name"
 			tabindex="0"
@@ -56,24 +65,12 @@
 
 <script>
 import axios from '@nextcloud/axios'
-import { generateUrl, generateFilePath } from '@nextcloud/router'
+import { generateUrl } from '@nextcloud/router'
 import { loadState } from '@nextcloud/initial-state'
-
-const prefixWithBaseUrl = (url) => generateFilePath('dashboard', '', 'img/') + url
+import getBackgroundUrl from './../helpers/getBackgroundUrl'
+import prefixWithBaseUrl from './../helpers/prefixWithBaseUrl'
 const shippedBackgroundList = loadState('dashboard', 'shippedBackgrounds')
 
-const getBackgroundUrl = (background, time = 0) => {
-	if (background === 'default') {
-		if (window.OCA.Accessibility.theme === 'dark') {
-			return prefixWithBaseUrl('eduardo-neves-pedra-azul.jpg')
-		}
-		return prefixWithBaseUrl('kamil-porembinski-clouds.jpg')
-	} else if (background === 'custom') {
-		return generateUrl('/apps/dashboard/background') + '?v=' + time
-	}
-	return prefixWithBaseUrl(background)
-}
-
 export default {
 	name: 'BackgroundSettings',
 	data() {
@@ -93,35 +90,36 @@ export default {
 		},
 	},
 	methods: {
-		async update(state) {
-			const date = Date.now()
-			this.backgroundImage = getBackgroundUrl(state, date)
+		async update(data) {
+			const background = data.type === 'custom' || data.type === 'default' ? data.type : data.value
+			this.backgroundImage = getBackgroundUrl(background, data.version)
 			const image = new Image()
 			image.onload = () => {
-				this.$emit('updateBackground', state)
+				this.$emit('updateBackground', data)
 				this.loading = false
 			}
 			image.src = this.backgroundImage
 		},
 		async setDefault() {
-			console.debug('SetDefault')
-			await axios.post(generateUrl('/apps/dashboard/background'))
-			this.update('default')
+			this.loading = 'default'
+			const result = await axios.post(generateUrl('/apps/dashboard/background/default'))
+			this.update(result.data)
 		},
 		async setShipped(shipped) {
 			this.loading = shipped
-			await axios.post(generateUrl('/apps/dashboard/background'), { shipped })
-			this.update(shipped)
-		},
-		async setUrl(url) {
-			this.loading = true
-			await axios.post(generateUrl('/apps/dashboard/background'), { url })
-			this.update('custom')
+			const result = await axios.post(generateUrl('/apps/dashboard/background/shipped'), { value: shipped })
+			this.update(result.data)
 		},
 		async setFile(path) {
-			this.loading = true
-			await axios.post(generateUrl('/apps/dashboard/background'), { path })
-			this.update('custom')
+			this.loading = 'custom'
+			const result = await axios.post(generateUrl('/apps/dashboard/background/custom'), { value: path })
+			this.update(result.data)
+		},
+		async pickColor() {
+			this.loading = 'color'
+			const color = OCA && OCA.Theming ? OCA.Theming.color : '#0082c9'
+			const result = await axios.post(generateUrl('/apps/dashboard/background/color'), { value: color })
+			this.update(result.data)
 		},
 		pickFile() {
 			window.OC.dialogs.filepicker(t('dashboard', 'Insert from {productName}', { productName: OC.theme.name }), (path, type) => {
@@ -161,13 +159,18 @@ export default {
 				background-position: center center;
 			}
 
-			&.filepicker, &.default {
+			&.filepicker, &.default, &.color {
 				border: 2px solid var(--color-border);
 				.background--preview {
 					line-height: 100px;
 				}
 			}
 
+			&.color .background--preview {
+				background-color: var(--color-primary);
+				color: var(--color-primary-text);
+			}
+
 			&:hover,
             &:focus {
                 border: 2px solid var(--color-primary);

apps/dashboard/src/helpers/getBackgroundUrl.js

@@ -0,0 +1,36 @@
+/*
+ * @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+import { generateUrl } from '@nextcloud/router'
+import prefixWithBaseUrl from './prefixWithBaseUrl'
+
+export default (background, time = 0) => {
+	if (background === 'default') {
+		if (window.OCA.Accessibility.theme === 'dark') {
+			return prefixWithBaseUrl('eduardo-neves-pedra-azul.jpg')
+		}
+		return prefixWithBaseUrl('kamil-porembinski-clouds.jpg')
+	} else if (background === 'custom') {
+		return generateUrl('/apps/dashboard/background') + '?v=' + time
+	}
+	return prefixWithBaseUrl(background)
+}

apps/dashboard/src/helpers/prefixWithBaseUrl.js

@@ -0,0 +1,24 @@
+/*
+ * @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+import { generateFilePath } from '@nextcloud/router'
+
+export default (url) => generateFilePath('dashboard', '', 'img/') + url