fix: handle notification version and created_at and updated_at dates

phpstan-baseline.neon

@@ -745,11 +745,6 @@ parameters:
 			count: 1
 			path: src/Admin/ImportExport.php
 
-		-
-			message: "#^Parameter \\#1 \\$args of function get_posts expects array\\{numberposts\\?\\: int, category\\?\\: int\\|string, include\\?\\: array\\<int\\>, exclude\\?\\: array\\<int\\>, suppress_filters\\?\\: bool, attachment_id\\?\\: int, author\\?\\: int\\|string, author_name\\?\\: string, \\.\\.\\.\\}\\|null, array\\{post_type\\: 'notification', post_status\\: array\\{'publish', 'draft'\\}, posts_per_page\\: \\-1, post__in\\: non\\-empty\\-array\\<int, string\\>\\} given\\.$#"
-			count: 1
-			path: src/Admin/ImportExport.php
-
 		-
 			message: "#^Parameter \\#1 \\$json of function json_decode expects string, string\\|false given\\.$#"
 			count: 1

src/Database/NotificationDatabaseService.php

@@ -142,6 +142,15 @@ public static function upsert(Notification $notification)
 		 */
 		do_action('notification/data/save', $notification);
 
+		// Get information about created_at currently saved in db
+		$createdAt = DatabaseService::db()->get_var(
+			DatabaseService::db()->prepare(
+				'SELECT created_at FROM %i WHERE hash = %s',
+				self::getNotificationsTableName(),
+				$notification->getHash()
+			)
+		);
+
 		// Insert main notification object.
 		DatabaseService::db()->replace(
 			self::getNotificationsTableName(),
@@ -150,12 +159,16 @@ public static function upsert(Notification $notification)
 				'title' => $notification->getTitle(),
 				'trigger_slug' => $notification->getTrigger() ? $notification->getTrigger()->getSlug() : '',
 				'enabled' => $notification->isEnabled(),
+				'created_at' => $createdAt ?? current_time('mysql', true),
+				'updated_at' => current_time('mysql', true),
 			],
 			[
 				'%s',
 				'%s',
 				'%s',
 				'%d',
+				'%s',
+				'%s',
 			]
 		);
 
@@ -170,12 +183,14 @@ public static function upsert(Notification $notification)
 					'slug' => $carrier->getSlug(),
 					'data' => wp_json_encode($carrier->getData(), JSON_UNESCAPED_UNICODE),
 					'enabled' => $carrier->isEnabled(),
+					'updated_at' => current_time('mysql', true),
 				],
 				[
 					'%s',
 					'%s',
 					'%s',
 					'%d',
+					'%s',
 				]
 			);
 		}
@@ -190,6 +205,7 @@ public static function upsert(Notification $notification)
 					'notification_hash' => $notification->getHash(),
 					'slug' => $extraKey,
 					'data' => wp_json_encode($extraData, JSON_UNESCAPED_UNICODE),
+					'updated_at' => current_time('mysql', true),
 				]
 			);
 		}
@@ -260,6 +276,10 @@ public static function get($hash)
 
 		$notificationData['trigger'] = $notificationData['trigger_slug'];
 
+		// Set version based on creation or last update date.
+		$versionDate = $notificationData['updated_at'] ?? $notificationData['created_at'] ?? 'now';
+		$notificationData['version'] = strtotime($versionDate);
+
 		$carriersDataRaw = DatabaseService::db()->get_results(
 			DatabaseService::db()->prepare(
 				'SELECT * FROM %i WHERE notification_hash = %s',