--- /dev/null
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @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/>.
+ *
+ */
+
+(function() {
+
+ OCA.WorkflowEngine = OCA.WorkflowEngine || {};
+ OCA.WorkflowEngine.Plugins = OCA.WorkflowEngine.Plugins || {};
+
+ OCA.WorkflowEngine.Plugins.FileSystemTagsPlugin = {
+ getCheck: function() {
+ this.collection = OC.SystemTags.collection;
+ this.collection.fetch({
+ success: function() {
+ console.log('done loading tags');
+ }
+ });
+
+ return {
+ 'class': 'OCA\\WorkflowEngine\\Check\\FileSystemTags',
+ 'name': t('workflowengine', 'File system tag'),
+ 'operators': [
+ {'operator': 'is', 'name': t('workflowengine', 'is tagged with')},
+ {'operator': '!is', 'name': t('workflowengine', 'is not tagged with')}
+ ]
+ };
+ },
+ render: function(element, classname, value) {
+ if (classname !== 'OCA\\WorkflowEngine\\Check\\FileSystemTags') {
+ return;
+ }
+
+ $(element).css('width', '400px');
+
+ $(element).select2({
+ allowClear: false,
+ multiple: false,
+ placeholder: t('workflowengine', 'Select tag…'),
+ query: _.debounce(function(query) {
+ query.callback({
+ results: OCA.WorkflowEngine.Plugins.FileSystemTagsPlugin.collection.filterByName(query.term)
+ });
+ }, 100, true),
+ id: function(element) {
+ return element.get('id');
+ },
+ initSelection: function(element, callback) {
+ var selection = ($(element).val() || []).split('|').sort();
+ callback(selection);
+ },
+ formatResult: function (tag) {
+ return OC.SystemTags.getDescriptiveTag(tag);
+ },
+ formatSelection: function (tagId) {
+ tag = OCA.WorkflowEngine.Plugins.FileSystemTagsPlugin.collection.get(tagId);
+ return OC.SystemTags.getDescriptiveTag(tag);
+ },
+ escapeMarkup: function(m) {
+ return m;
+ }
+ });
+ }
+ };
+})();
+
+OC.Plugins.register('OCA.WorkflowEngine.CheckPlugins', OCA.WorkflowEngine.Plugins.FileSystemTagsPlugin);
--- /dev/null
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @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/>.
+ *
+ */
+
+namespace OCA\WorkflowEngine\Check;
+
+
+use OCP\Files\Cache\ICache;
+use OCP\Files\Storage\IStorage;
+use OCP\SystemTag\ISystemTagManager;
+use OCP\SystemTag\ISystemTagObjectMapper;
+use OCP\SystemTag\TagNotFoundException;
+use OCP\WorkflowEngine\ICheck;
+
+class FileSystemTags implements ICheck {
+
+ /** @var array */
+ protected $fileIds;
+
+ /** @var array */
+ protected $fileSystemTags;
+
+ /** @var ISystemTagManager */
+ protected $systemTagManager;
+
+ /** @var ISystemTagObjectMapper */
+ protected $systemTagObjectMapper;
+
+ /** @var IStorage */
+ protected $storage;
+
+ /** @var string */
+ protected $path;
+
+ /**
+ * @param ISystemTagManager $systemTagManager
+ * @param ISystemTagObjectMapper $systemTagObjectMapper
+ */
+ public function __construct(ISystemTagManager $systemTagManager, ISystemTagObjectMapper $systemTagObjectMapper) {
+ $this->systemTagManager = $systemTagManager;
+ $this->systemTagObjectMapper = $systemTagObjectMapper;
+ }
+
+ /**
+ * @param IStorage $storage
+ * @param string $path
+ */
+ public function setFileInfo(IStorage $storage, $path) {
+ $this->storage = $storage;
+ $this->path = $path;
+ }
+
+ /**
+ * @param string $operator
+ * @param string $value
+ * @return bool
+ */
+ public function executeCheck($operator, $value) {
+ $systemTags = $this->getSystemTags();
+ return ($operator === 'is') === in_array($value, $systemTags);
+ }
+
+ /**
+ * @param string $operator
+ * @param string $value
+ * @throws \UnexpectedValueException
+ */
+ public function validateCheck($operator, $value) {
+ if (!in_array($operator, ['is', '!is'])) {
+ throw new \UnexpectedValueException('Invalid operator', 1);
+ }
+
+ try {
+ $this->systemTagManager->getTagsByIds($value);
+ } catch (TagNotFoundException $e) {
+ throw new \UnexpectedValueException('Tag does not exist', 2);
+ } catch (\InvalidArgumentException $e) {
+ throw new \UnexpectedValueException('Tag does not exist', 3);
+ }
+ }
+
+ /**
+ * Get the ids of the assigned system tags
+ * @return string[]
+ */
+ protected function getSystemTags() {
+ $cache = $this->storage->getCache();
+ $fileIds = $this->getFileIds($cache, $this->path);
+
+ $systemTags = [];
+ foreach ($fileIds as $i => $fileId) {
+ if (isset($this->fileSystemTags[$fileId])) {
+ $systemTags[] = $this->fileSystemTags[$fileId];
+ unset($fileIds[$i]);
+ }
+ }
+
+ if (!empty($fileIds)) {
+ $mappedSystemTags = $this->systemTagObjectMapper->getTagIdsForObjects($fileIds, 'files');
+ foreach ($mappedSystemTags as $fileId => $fileSystemTags) {
+ $this->fileSystemTags[$fileId] = $fileSystemTags;
+ $systemTags[] = $fileSystemTags;
+ }
+ }
+
+ $systemTags = call_user_func_array('array_merge', $systemTags);
+ $systemTags = array_unique($systemTags);
+ return $systemTags;
+ }
+
+ /**
+ * Get the file ids of the given path and its parents
+ * @param ICache $cache
+ * @param string $path
+ * @return int[]
+ */
+ protected function getFileIds(ICache $cache, $path) {
+ $cacheId = $cache->getNumericStorageId();
+ if (isset($this->fileIds[$cacheId][$path])) {
+ return $this->fileIds[$cacheId][$path];
+ }
+
+ if ($path !== dirname($path)) {
+ $parentIds = $this->getFileIds($cache, dirname($path));
+ } else {
+ return [];
+ }
+
+ $fileId = $cache->getId($path);
+ if ($fileId !== -1) {
+ $parentIds[] = $cache->getId($path);
+ }
+
+ $this->fileIds[$cacheId][$path] = $parentIds;
+
+ return $parentIds;
+ }
+}