Expose ETag on single object get methods

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

lib/Controller/BoardApiController.php

@@ -85,7 +85,9 @@ class BoardApiController extends ApiController {
 	 */
 	public function get() {
 		$board = $this->boardService->find($this->request->getParam('boardId'));
-		return new DataResponse($board, HTTP::STATUS_OK);
+		$response = new DataResponse($board, HTTP::STATUS_OK);
+		$response->setETag($board->getEtag());
+		return $response;
 	}
 
 	/**

lib/Controller/CardApiController.php

@@ -64,7 +64,9 @@ class CardApiController extends ApiController {
 	 */
 	public function get() {
 		$card = $this->cardService->find($this->request->getParam('cardId'));
-		return new DataResponse($card, HTTP::STATUS_OK);
+		$response = new DataResponse($card, HTTP::STATUS_OK);
+		$response->setETag($card->getEtag());
+		return $response;
 	}
 
 	/**

lib/Controller/StackApiController.php

@@ -83,7 +83,9 @@ class StackApiController extends ApiController {
 	 */
 	public function get() {
 		$stack = $this->stackService->find($this->request->getParam('stackId'));
-		return new DataResponse($stack, HTTP::STATUS_OK);
+		$response = new DataResponse($stack, HTTP::STATUS_OK);
+		$response->setETag($stack->getETag());
+		return $response;
 	}
 
 	/**

lib/Db/Board.php

@@ -81,4 +81,8 @@ class Board extends RelationalEntity {
 			$this->acl[] = $a;
 		}
 	}
+
+	public function getETag() {
+		return md5((string)$this->getLastModified());
+	}
 }

lib/Db/Card.php

@@ -155,4 +155,8 @@ class Card extends RelationalEntity {
 	public function getCalendarPrefix(): string {
 		return 'card';
 	}
+
+	public function getETag() {
+		return md5((string)$this->getLastModified());
+	}
 }

lib/Db/Stack.php

@@ -65,4 +65,8 @@ class Stack extends RelationalEntity {
 	public function getCalendarPrefix(): string {
 		return 'stack';
 	}
+
+	public function getETag() {
+		return md5((string)$this->getLastModified());
+	}
 }