From 08e561b5e876eac0f28126a953986bea53d0d111 Mon Sep 17 00:00:00 2001
From: Grant Shangreaux <grant@unabridgedsoftware.com>
Date: Sat, 7 Jan 2023 16:07:03 -0600
Subject: Add: async zip download and manage link element

---
 playlist.lisp | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

(limited to 'playlist.lisp')

diff --git a/playlist.lisp b/playlist.lisp
index 7a2884b..b52a0a7 100644
--- a/playlist.lisp
+++ b/playlist.lisp
@@ -12,8 +12,8 @@
    (now-playing-track :std nil :doc "An instance of track-ctl")
    (np-title np-artist np-thumb np-dur np-time np-play
              :std nil :doc "Now Playing Elements")
-   (pl-title pl-tracks pl-dur
-             :std nil :doc "Playlist Elements")
+   (pl-title pl-tracks pl-dur pl-zip
+             :std nil :doc "Playlist Elements"))
   (:documentation "Holds the complete state for this session's viewing of a particular playlist."))
 
 (defclass/std track-ctl ()
@@ -64,7 +64,6 @@
   (setf (cur-playlist-ctl body)
         (make-instance 'playlist-ctl
                        :playlist playlist
-                       :zipped-tracks (when (zipped-playlist-exists-p playlist) (zipped-playlist-url playlist))
                        :editorp (can-edit-p (session-user body) playlist))))
 
 ;;; SYNCHRONIZATION
@@ -190,7 +189,7 @@
               (pos (position track-ctl (tracks curctl))))
 
     (when (delete-track-at (playlist curctl) pos)
-      (delete-zipped-playlist (playlist curctl))
+      (delete-zipped-playlist curctl)
       (for-playlist-viewers container ctl
         (let ((track-ctl (nth pos (tracks ctl))))
           (destroy (container track-ctl))
@@ -201,7 +200,7 @@
   (when-let* ((curctl (cur-playlist-ctl (container track-ctl)))
               (pos (position track-ctl (tracks curctl))))
     (when (swap-tracks (playlist curctl) pos (1+ pos))
-      (delete-zipped-playlist (playlist curctl))
+      (delete-zipped-playlist curctl)
       (for-playlist-viewers (container track-ctl) ctl
         (let* ((cur
                  (nth pos (tracks ctl)))
@@ -217,7 +216,7 @@
   (when-let* ((curctl (cur-playlist-ctl (container track-ctl)))
               (pos (position track-ctl (tracks curctl))))
     (when (swap-tracks (playlist curctl) pos (1- pos))
-      (delete-zipped-playlist (playlist curctl))
+      (delete-zipped-playlist curctl)
       (for-playlist-viewers (container track-ctl) ctl
         (let* ((cur
                  (nth pos (tracks ctl)))
@@ -351,7 +350,7 @@
                (on-ok
                  (lambda (track)
                    (destroy notice)
-                   (delete-zipped-playlist pl)
+                   (delete-zipped-playlist (cur-playlist-ctl parent))
                    (append-track pl track)
                    (append-track-list-item parent track))))
           (setf (value url-input) "")
@@ -442,17 +441,25 @@
 			 (track-listing (pl))))
 
 	       (div (:class "row")
-                    (div ()
-                         (button (:content "Download Zipped Playlist" :bind zip-download-button)))
+                    (div (:class "column")
+                         (button (:content "Create Zipped Playlist" :bind zip-download-button)))
                     (div ()
                          (new-track-form (pl))
                          (editor-managment (pl)))))
         (set-on-click zip-download-button
-                      (thunk* (zip-playlist pl)
-                        (setf (url (location body)) (zipped-playlist-url pl))))
+                      (thunk*
+                        (add-zip-playlist-job
+                         pl
+                         (lambda (_) (declare (ignore _))
+                           (let ((zip-link (make-zipped-playlist-link pl body)))
+                             (setf (pl-zip ctl) zip-link)
+                             (place-after zip-download-button zip-link)))
+                         (lambda (err)
+                           (print (format t "~a" err))))))
 
         (setf (pl-title ctl) title-elem
               (pl-dur ctl) dur-elem
+              ;; (inner-html download-elem) (pl-zip ctl)
               (display input) "none"
               (display title-elem) "inline")
 
@@ -472,7 +479,7 @@
            input
            (thunk*
              (when (plusp (length (value input)))
-               (delete-zipped-playlist pl) ;; must happen first
+               (delete-zipped-playlist ctl) ;; must happen first
                (update-playlist-title pl (value input))
                (setf (text title-elem) (value input)))
              (setf (display input) "none"
-- 
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