Clean up data when login fails

Before, when attempting to log in, and failing, the username and
password were retained and subsequent attempts would also fail.  Now
the data is deleted and new login requests will start fresh.

1 files changed, 8 insertions, 1 deletions

diff --git a/avandu.el b/avandu.el
index c1a2afb..1e09e7f 100644
--- a/avandu.el
+++ b/avandu.el
@@ -125,6 +125,12 @@ doesn't sort the list, so you'll have to set that up in tt-rss.
   (set (make-local-variable 'revert-buffer-function)
        #'(lambda (ignore-auto noconfirm) (avandu-list))))
 
+(defun avandu--clear-data ()
+  "Clean up login data. This makes for a clean slate next time."
+  (setq avandu-user nil
+        avandu-password nil
+        avandu--session-id nil))
+
 (defun avandu--get-status-id (results)
   "Get the status id from RESULTS."
   (cdr (assq 'status results)))
@@ -139,6 +145,7 @@ otherwise. Signals an error if we're not logged in *and* login
 was unsuccesful."
   (unless (or (and avandu--session-id (avandu-logged-in-p))
               (avandu-login))
+    (avandu--clear-data)
     (error "Could not log in to tt-rss")))
 
 (defmacro avandu-getset (var prompt &optional passwdp)
@@ -214,7 +221,7 @@ in. This function returns t if we are, or nil if we're not."
       result)))
 
 (defun avandu-login ()
-  "Send a request to log in to tt-rss. If `avandu-username' or
+  "Send a request to log in to tt-rss. If `avandu-user' or
 `avandu-password' have not been specified they will be asked for
 and saved in memory. This function returns t on succes, nil
 otherwise."