diff --git a/lib/Model/CardDetails.php b/lib/Model/CardDetails.php
new file mode 100644
index 000000000..4703b29fb
--- /dev/null
+++ b/lib/Model/CardDetails.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * @copyright Copyright (c) 2022 Raul Ferreira Fuentes <raul@nextcloud.com>
+ *
+ * @author Raul Ferreira Fuentes <raul@nextcloud.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\Deck\Model;
+
+use DateTime;
+use OCA\Deck\Db\Board;
+use OCA\Deck\Db\Card;
+
+class CardDetails extends Card
+{
+	private Card $card;
+	private ?Board $board;
+
+	public function __construct(
+		Card $card,
+		Board $board = null
+	) {
+		parent::__construct();
+		$this->card = $card;
+		$this->board = $board;
+	}
+
+	protected function getter($name) {
+		return $this->card->getter($name);
+	}
+
+	public function jsonSerialize(): array {
+		$array = parent::jsonSerialize();
+		$array['boardId'] = $this->board->id ?? null;
+		$array['overdue'] = $this->getDueStatus();
+		$array['foo'] = 'bar';
+
+		unset($array['notified']);
+		unset($array['descriptionPrev']);
+		unset($array['relatedStack']);
+		unset($array['relatedBoard']);
+
+		return $array;
+	}
+
+	private function getDueStatus(): int {
+		$today = new DateTime();
+		$today->setTime(0, 0);
+
+		$match_date = new DateTime($this->duedate);
+		$match_date->setTime(0, 0);
+
+		$diff = $today->diff($match_date);
+		$diffDays = (integer) $diff->format('%R%a'); // Extract days count in interval
+
+		if ($diffDays === 1) {
+			return self::DUEDATE_NEXT;
+		}
+		if ($diffDays === 0) {
+			return self::DUEDATE_NOW;
+		}
+		if ($diffDays < 0) {
+			return self::DUEDATE_OVERDUE;
+		}
+
+		return self::DUEDATE_FUTURE;
+	}
+}