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<?php |
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declare(strict_types=1); |
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/** |
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* Saito - The Threaded Web Forum |
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* |
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* @copyright Copyright (c) the Saito Project Developers |
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* @link https://github.com/Schlaefer/Saito |
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* @license http://opensource.org/licenses/MIT |
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*/ |
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namespace App\Model\Table; |
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use App\Lib\Model\Table\AppTable; |
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use App\Model\Entity\Entry; |
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use Cake\Chronos\Chronos; |
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use Cake\Event\Event; |
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use Cake\ORM\RulesChecker; |
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use Cake\ORM\Rule\IsUnique; |
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use Cake\Validation\Validator; |
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/** |
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* Table storing the drafts for unfinished posting submissions. |
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* |
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* Indices: |
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* - user_id, pid - Main lookup index for retrieving and checking for uniqness. |
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* Have user_id first to use it for other purposes (find drafts for user). |
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* - modified - Used for garbage collection deleting outdated drafts. |
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*/ |
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class DraftsTable extends AppTable |
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{ |
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/** @var string Creation time after a draft is considered outdated. */ |
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public const OUTDATED = '-30 days'; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function initialize(array $config) |
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{ |
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parent::initialize($config); |
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$this->addBehavior( |
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'Cron.Cron', |
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['outdatedGc' => ['id' => 'Drafts.outdatedGc', 'due' => 'daily']] |
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); |
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$this->addBehavior('Timestamp'); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function validationDefault(Validator $validator) |
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{ |
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/// subject |
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$validator |
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->allowEmptyString('subject') |
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->add( |
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'subject', |
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[ |
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'maxLength' => [ |
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'rule' => ['maxLength', $this->getConfig('subject_maxlength')], |
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] |
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] |
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); |
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/// text |
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$validator->allowEmptyString('text'); |
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return $validator; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function beforeMarshal(Event $event, \ArrayObject $data, \ArrayObject $options) |
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{ |
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/// Trim whitespace on subject and text |
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$toTrim = ['subject', 'text']; |
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foreach ($toTrim as $field) { |
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if (!empty($data[$field])) { |
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$data[$field] = trim($data[$field]); |
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} |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function buildRules(RulesChecker $rules) |
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{ |
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$rules = parent::buildRules($rules); |
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$rules->addCreate(new IsUnique(['pid', 'user_id'], ['allowMultipleNulls' => false])); |
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$rules->add( |
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function ($entity) { |
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$validated = false; |
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$fields = ['subject', 'text']; |
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foreach ($fields as $field) { |
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if (!empty($entity->get($field))) { |
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$validated = true; |
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break; |
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} |
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} |
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return $validated; |
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}, |
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'checkThatAtLeastOnFieldIsPopulated', |
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['errorField' => 'oneNotEmpty', 'message' => 'dummy'] |
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); |
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return $rules; |
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} |
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/** |
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* Deletes a draft which might have been the source for a posting. |
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* |
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* @param Entry $entry The posting which might have been created by a draft. |
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* @return void |
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*/ |
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public function deleteDraftForPosting(Entry $entry): void |
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{ |
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$where = ['user_id' => $entry->get('user_id')]; |
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$entry->isRoot() ? $where[] = 'pid IS NULL' : $where['pid'] = $entry->get('pid'); |
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$this->deleteAll($where); |
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} |
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/** |
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* Garbage collect outdated drafts. |
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* |
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* @return void |
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*/ |
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public function outdatedGc(): void |
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{ |
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$this->deleteAll(['modified <' => new Chronos(self::OUTDATED)]); |
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} |
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} |
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Schlaefer /
Saito
