Implement due dates for cards

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

lib/Db/BoardMapper.php

@@ -140,7 +140,6 @@ class BoardMapper extends DeckMapper implements IPermissionMapper {
 		$timeLimit = time()-(60*5);
 		$sql = 'SELECT id, title, owner, color, archived, deleted_at FROM `*PREFIX*deck_boards` ' .
 			'WHERE `deleted_at` > 0 AND `deleted_at` < ?';
-		\OC::$server->getLogger()->error($sql);
 		return $this->findEntities($sql, [$timeLimit]);
 	}
 
@@ -216,4 +215,4 @@ class BoardMapper extends DeckMapper implements IPermissionMapper {
 	}
 
 
-}
+}

lib/Db/Card.php

@@ -24,6 +24,7 @@
 // db/author.php
 namespace OCA\Deck\Db;
 
+use DateTime;
 use JsonSerializable;
 
 class Card extends RelationalEntity implements JsonSerializable {
@@ -39,6 +40,12 @@ class Card extends RelationalEntity implements JsonSerializable {
 	protected $owner;
 	protected $order;
 	protected $archived = false;
+	protected $duedate = null;
+
+	const DUEDATE_FUTURE = 0;
+	const DUEDATE_NEXT = 1;
+	const DUEDATE_NOW = 2;
+	const DUEDATE_OVERDUE = 3;
 
 	public function __construct() {
 		$this->addType('id', 'integer');
@@ -51,4 +58,33 @@ class Card extends RelationalEntity implements JsonSerializable {
 		$this->addResolvable('owner');
 	}
 
+	public function jsonSerialize() {
+		$json = parent::jsonSerialize();
+		$json['overdue'] = self::DUEDATE_FUTURE;
+		$due = strtotime($this->duedate);
+
+		$today = new DateTime();
+		$today->setTime( 0, 0, 0 );
+
+		$match_date = new DateTime($this->duedate);
+
+		$match_date->setTime( 0, 0, 0 );
+
+		$diff = $today->diff( $match_date );
+		$diffDays = (integer)$diff->format( "%R%a" ); // Extract days count in interval
+
+		if($due !== false) {
+			if ($diffDays === 1) {
+				$json['overdue'] = self::DUEDATE_NEXT;
+			}
+			if ($diffDays === 0) {
+				$json['overdue'] = self::DUEDATE_NOW;
+			}
+			if ($diffDays < 0) {
+				$json['overdue'] = self::DUEDATE_OVERDUE;
+			}
+		}
+		return $json;
+	}
+
 }