settingsdb: merge blob get/set into settings.js

src/routes/branding.js

@@ -88,30 +88,28 @@ function getAppstoreListingConfig(req, res, next) {
     });
 }
 
-function setCloudronAvatar(req, res, next) {
+async function setCloudronAvatar(req, res, next) {
     assert.strictEqual(typeof req.files, 'object');
 
     if (!req.files.avatar) return next(new HttpError(400, 'avatar must be provided'));
     const avatar = safe.fs.readFileSync(req.files.avatar.path);
     if (!avatar) return next(500, safe.error.message);
 
-    settings.setCloudronAvatar(avatar, function (error) {
-        if (error) return next(BoxError.toHttpError(error));
+    const [error] = await safe(settings.setCloudronAvatar(avatar));
+    if (error) return next(BoxError.toHttpError(error));
 
-        next(new HttpSuccess(202, {}));
-    });
+    next(new HttpSuccess(202, {}));
 }
 
-function getCloudronAvatar(req, res, next) {
-    settings.getCloudronAvatar(function (error, avatar) {
-        if (error) return next(BoxError.toHttpError(error));
+async function getCloudronAvatar(req, res, next) {
+    const [error, avatar] = await safe(settings.getCloudronAvatar());
+    if (error) return next(BoxError.toHttpError(error));
 
-        // avoid caching the avatar on the client to see avatar changes immediately
-        res.set('Cache-Control', 'no-cache');
+    // avoid caching the avatar on the client to see avatar changes immediately
+    res.set('Cache-Control', 'no-cache');
 
-        res.set('Content-Type', 'image/png');
-        res.status(200).send(avatar);
-    });
+    res.set('Content-Type', 'image/png');
+    res.status(200).send(avatar);
 }
 
 function get(req, res, next) {