fix: #7116

dont save relative_path in db for group covers

src/image.js

@@ -139,3 +139,28 @@ image.writeImageDataToTempFile = function (imageData, callback) {
 image.sizeFromBase64 = function (imageData) {
 	return Buffer.from(imageData.slice(imageData.indexOf('base64') + 7), 'base64').length;
 };
+
+image.uploadImage = function (filename, folder, image, callback) {
+	if (plugins.hasListeners('filter:uploadImage')) {
+		return plugins.fireHook('filter:uploadImage', {
+			image: image,
+			uid: image.uid,
+		}, callback);
+	}
+
+	async.waterfall([
+		function (next) {
+			file.isFileTypeAllowed(image.path, next);
+		},
+		function (next) {
+			file.saveFileToLocal(filename, folder, image.path, next);
+		},
+		function (upload, next) {
+			next(null, {
+				url: upload.url,
+				path: upload.path,
+				name: image.name,
+			});
+		},
+	], callback);
+};