Fix due status calculation

Signed-off-by: Raul <raul@nextcloud.com>

lib/Db/Card.php

@@ -158,11 +158,14 @@ class Card extends RelationalEntity {
 		return $calendar;
 	}
 
-	public function getDaysUntilDue(): int {
+	public function getDaysUntilDue(): ?int {
 		$today = new DateTime();
-		$today->setTime(0, 0);
+		$match_date = $this->getDuedate();
+		if ($match_date === null) {
+			return null;
+		}
 
-		$match_date = $this->getDueDateTime() ?? new DateTime();
+		$today->setTime(0, 0);
 		$match_date->setTime(0, 0);
 
 		$diff = $today->diff($match_date);

lib/Model/BoardSummary.php

@@ -24,8 +24,7 @@ namespace OCA\Deck\Model;
 
 use OCA\Deck\Db\Board;
 
-class BoardSummary extends Board
-{
+class BoardSummary extends Board {
 	private Board $board;
 
 	public function __construct(Board $board) {
@@ -42,7 +41,7 @@ class BoardSummary extends Board
 
 	protected function getter($name) {
 		return $this->board->getter($name);
-    }
+	}
 
 	public function __call($name, $arguments) {
 		return $this->board->__call($name, $arguments);

lib/Model/CardDetails.php

@@ -25,8 +25,7 @@ namespace OCA\Deck\Model;
 use OCA\Deck\Db\Board;
 use OCA\Deck\Db\Card;
 
-class CardDetails extends Card
-{
+class CardDetails extends Card {
 	private Card $card;
 	private ?Board $board;
 
@@ -60,18 +59,18 @@ class CardDetails extends Card
 
 	private function getDueStatus(): int {
 		$diffDays = $this->getDaysUntilDue();
+		if ($diffDays === null || $diffDays > 1) {
+			return static::DUEDATE_FUTURE;
+		}
 		if ($diffDays === 1) {
 			return static::DUEDATE_NEXT;
 		}
 		if ($diffDays === 0) {
 			return static::DUEDATE_NOW;
 		}
-		if ($diffDays < 0) {
-			return static::DUEDATE_OVERDUE;
-		}
 
-        return static::DUEDATE_FUTURE;
-    }
+		return static::DUEDATE_OVERDUE;
+	}
 
 	private function appendBoardDetails(&$array): void {
 		if (!$this->board) {
@@ -83,8 +82,8 @@ class CardDetails extends Card
 	}
 
 	protected function getter($name) {
-        return $this->card->getter($name);
-    }
+		return $this->card->getter($name);
+	}
 	public function __call($name, $arguments) {
 		return $this->card->__call($name, $arguments);
 	}

lib/Service/OverviewService.php

@@ -108,7 +108,7 @@ class OverviewService {
 				$diffDays = $card->getDaysUntilDue();
 
 				$key = 'later';
-				if ($card->getDuedate() === null) {
+				if ($diffDays === null) {
 					$key = 'nodue';
 				} elseif ($diffDays < 0) {
 					$key = 'overdue';