From 7ec9075c8a20b4a8f2b1c0de9e5b86e18ad4ae8e Mon Sep 17 00:00:00 2001
From: Colin Okay <colin@cicadas.surf>
Date: Thu, 27 Oct 2022 13:46:56 -0500
Subject: Add: auth-pages via a middleware page serving function

---
 playlist.lisp  | 20 ++++++++++----------
 user.lisp      | 12 +++++-------
 utilities.lisp |  6 ++++++
 vampire.lisp   |  6 ++++++
 4 files changed, 27 insertions(+), 17 deletions(-)

diff --git a/playlist.lisp b/playlist.lisp
index c2350d1..d7b08f1 100644
--- a/playlist.lisp
+++ b/playlist.lisp
@@ -319,24 +319,24 @@
               (pl-dur ctl) dur-elem
               (display input) "none"
               (display title-elem) "inline")
-
+        
         (set-on-blur
          input
          (thunk*
-             (when (plusp (length (value input)))
-               (update-playlist-title pl (value input))
-               (setf (text title-elem) (value input)))
-             (setf (display input) "none"
-                   (display title-elem) "inline")))
+           (when (plusp (length (value input)))
+             (update-playlist-title pl (value input))
+             (setf (text title-elem) (value input)))
+           (setf (display input) "none"
+                 (display title-elem) "inline")))
         
         (set-on-click
          title-elem
          (thunk*
-             (setf (value input) (text title-elem)
-                   (display title-elem) "none"
-                   (display input) "inline")
+           (setf (value input) (text title-elem)
+                 (display title-elem) "none"
+                 (display input) "inline")
            (focus input)))
-
+        
         (initialize-now-playing body)))))
 
 
diff --git a/user.lisp b/user.lisp
index 6fbbf66..6f95b2c 100644
--- a/user.lisp
+++ b/user.lisp
@@ -48,12 +48,10 @@
                  url)))))))
 
 (defun user-home-page (body)
-  (if-let (user (session-user body)) 
-    (with-clog-create body
-        (div ()
-             (p (:content (format nil "Welcome ~a" (user-name user))))
-             (new-playlist-form ())
-             (playlist-listing ())))
-    (setf (url (location body)) "/")))
+  (with-clog-create body
+      (div ()
+           (p (:content (format nil "Welcome ~a" (user-name (session-user body)))))
+           (new-playlist-form ())
+           (playlist-listing ()))))
 
 
diff --git a/utilities.lisp b/utilities.lisp
index ce14b7e..1ed13a3 100644
--- a/utilities.lisp
+++ b/utilities.lisp
@@ -121,3 +121,9 @@
                 hours mins secs)
         (format nil "~a:~2,'0d"
                 mins secs))))
+
+(defun <?> (pred then else)
+  (lambda (&rest args)
+    (if (apply pred args)
+        (apply then args)
+        (apply else args))))
diff --git a/vampire.lisp b/vampire.lisp
index 97266d3..2e8f506 100644
--- a/vampire.lisp
+++ b/vampire.lisp
@@ -84,6 +84,12 @@
    :directory (datastore-directory config)
    :subsystems (list (make-instance 'bknr.datastore:store-object-subsystem))))
 
+(defun redirect-to-root (body)
+  (setf (url (location body)) "/"))
+
+(defun when-logged-in? (fn)
+  (<?> 'session-user fn 'redirect-to-root))
+
 (defun start (config)
   (setf *config* config)
   (initialize-database config )
-- 
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