feat(file-info): encapsulate logic to get last activity in getLastActivity function

Signed-off-by: Cristian Scheid <cristianscheid@gmail.com>

apps/files_trashbin/lib/Trash/TrashItem.php

@@ -153,6 +153,10 @@ class TrashItem implements ITrashItem {
 		return $this->fileInfo->getUploadTime();
 	}
 
+	public function getLastActivity(): int {
+		return $this->fileInfo->getLastActivity();
+	}
+
 	public function getParentId(): int {
 		return $this->fileInfo->getParentId();
 	}

lib/private/Files/FileInfo.php

@@ -379,6 +379,10 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 		return (int)$this->data['upload_time'];
 	}
 
+	public function getLastActivity(): int {
+		return max($this->getUploadTime(), $this->getMTime());
+	}
+
 	public function getParentId(): int {
 		return $this->data['parent'] ?? -1;
 	}

lib/private/Files/Node/LazyFolder.php

@@ -540,6 +540,13 @@ class LazyFolder implements Folder {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	/**
+	 * @inheritDoc
+	 */
+	public function getLastActivity(): int {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
 	public function getRelativePath($path) {
 		return PathHelper::getRelativePath($this->getPath(), $path);
 	}

lib/private/Files/Node/Node.php

@@ -475,6 +475,10 @@ class Node implements INode {
 		return $this->getFileInfo()->getUploadTime();
 	}
 
+	public function getLastActivity(): int {
+		return $this->getFileInfo()->getLastActivity();
+	}
+
 	public function getParentId(): int {
 		return $this->fileInfo->getParentId();
 	}

lib/public/Files/FileInfo.php

@@ -280,6 +280,16 @@ interface FileInfo {
 	 */
 	public function getUploadTime(): int;
 
+	/**
+	 * Get the last activity date as unix timestamp
+	 *
+	 * Last activity is the more recent of the upload time and the modification time
+	 *
+	 * @return int
+	 * @since 34.0.0
+	 */
+	public function getLastActivity(): int;
+
 	/**
 	 * Get the fileid or the parent folder
 	 * or -1 if this item has no parent folder (because it is the root)