Fix: Plex errors (#141)

* inPlex function returns promise for more consistent return types

* plexUserId should default to null on falsey

src/plex/plexRepository.js

@@ -41,9 +41,12 @@ class PlexRepository {
 
   inPlex(_tmdbResult) {
     const tmdbResult = { ..._tmdbResult };
-    this.search(tmdbResult.title)
+
+    return this.search(tmdbResult.title)
       .then(plexResult => addAttributeIfTmdbInPlex(tmdbResult, plexResult))
       .catch(() => {
+        // log("some error here::", error);
+
         /**
          * If something crashes with search from this function it probably
          * fine to set the `matchedInPlex` attribute to false and return

src/webserver/controllers/plex/readRequest.js

@@ -14,7 +14,7 @@ function readRequestController(req, res) {
   requestRepository
     .lookup(mediaId, type)
     .then(movies => {
-      res.send(movies);
+      res.send(movies || {});
     })
     .catch(error => {
       res.status(404).send({ success: false, message: error.message });

src/webserver/middleware/mustHaveAccountLinkedToPlex.js

@@ -18,7 +18,8 @@ const mustHaveAccountLinkedToPlex = (req, res, next) => {
       req.loggedInUser.username
     )
     .then(row => {
-      const plexUserId = row.plex_userid;
+      const plexUserId = row?.plex_userid || null;
+
       if (plexUserId === null) {
         return res.status(403).send({
           success: false,