chore: add TODOs and debug logs

models/users.model

@@ -56,7 +56,7 @@ User json    -- Each Uni2work user has a corresponding row in this table; create
 
 -- | User data fetched from external user sources, used for authentication and data queries
 ExternalUser
-    user      UserId
+    user      UserId -- TODO: use UserIdent or Text instead; not every external user may have ever logged in (or needs to), i.e. users that have been queried in admin handler!
     source    AuthSourceIdent              -- Identifier of the external source in the config
     data      Value "default='{}'::jsonb"  -- Raw user data from external source -- TODO: maybe make Maybe, iff the source only ever responds with "success"?
     lastSync  UTCTime                      -- When was the external source last queried?

src/Foundation/Yesod/Auth.hs

@@ -56,6 +56,7 @@ authenticate creds@Creds{..} = liftHandler . runDB . withReaderT projectBackend
 
   now <- liftIO getCurrentTime
   userAuthConf <- getsYesod $ view _appUserAuthConf
+  $logErrorS "authenticate AuthConf Debug" $ "\27[31m" <> tshow userAuthConf <> "\27[0m" -- TODO: debug only
 
   let
     uAuth = UniqueAuthentication $ CI.mk credsIdent