Dark theme for guest avatar

And better caching policy Signed-off-by: Carl Schwan <carl@carlschwan.eu>
nextcloud · Aug 30, 2022 · 1c36c49 · 1c36c49
1 parent da2f5c4
commit 1c36c49
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Showing 3 changed files with 13 additions and 3 deletions.
diff --git a/core/Controller/GuestAvatarController.php b/core/Controller/GuestAvatarController.php
@@ -60,8 +60,9 @@ public function __construct(
 	 * @param string $size The desired avatar size, e.g. 64 for 64x64px
 	 * @return FileDisplayResponse|Http\Response
 	 */
-	public function getAvatar(string $guestName, string $size) {
+	public function getAvatar(string $guestName, string $size, ?bool $dark = false) {
 		$size = (int) $size;
+		$dark = $dark === null ? false : $dark;
 
 		if ($size <= 64) {
 			if ($size !== 64) {
@@ -94,7 +95,15 @@ public function getAvatar(string $guestName, string $size) {
 		}
 
 		// Cache for 30 minutes
-		$resp->cacheFor(1800);
+		$resp->cacheFor(1800, false, true);
 		return $resp;
 	}
+
+	/**
+	 * @PublicPage
+	 * @NoCSRFRequired
+	 */
+	public function getAvatarDark(string $guestName, string $size) {
+		return $this->getAvatar($guestName, $size, true);
+	}
 }
diff --git a/core/routes.php b/core/routes.php
@@ -51,6 +51,7 @@
 		['name' => 'avatar#postCroppedAvatar', 'url' => '/avatar/cropped', 'verb' => 'POST'],
 		['name' => 'avatar#getTmpAvatar', 'url' => '/avatar/tmp', 'verb' => 'GET'],
 		['name' => 'avatar#postAvatar', 'url' => '/avatar/', 'verb' => 'POST'],
+		['name' => 'GuestAvatar#getAvatarDark', 'url' => '/avatar/guest/{guestName}/{size}/dark', 'verb' => 'GET'],
 		['name' => 'GuestAvatar#getAvatar', 'url' => '/avatar/guest/{guestName}/{size}', 'verb' => 'GET'],
 		['name' => 'CSRFToken#index', 'url' => '/csrftoken', 'verb' => 'GET'],
 		['name' => 'login#tryLogin', 'url' => '/login', 'verb' => 'POST'],

diff --git a/lib/private/Avatar/Avatar.php b/lib/private/Avatar/Avatar.php
@@ -150,7 +150,7 @@ protected function generateAvatarFromSvg(int $size, bool $dark): ?string {
 	protected function generateAvatar(string $userDisplayName, int $size, bool $dark): string {
 		$text = $this->getAvatarText();
 		$textColor = $this->avatarBackgroundColor($userDisplayName);
-		$backgroundColor = $textColor->alphaBlending(0.1, $dark ? new Color() : new Color(255, 255, 255));
+		$backgroundColor = $textColor->alphaBlending(0.1, $dark ? new Color(0, 0, 0) : new Color(255, 255, 255));
 
 		$im = imagecreatetruecolor($size, $size);
 		$background = imagecolorallocate(