Update metadata in org file after sending

tekuti.el

@@ -93,8 +93,26 @@
    data
    "&"))
 
-(defun tekuti--send-finished (status &rest _)
-  (message "Finished: %s" status))
+(defun tekuti--send-finished (status buffer args)
+  (pcase-exhaustive status
+    (`(:redirect ,url)
+     (save-excursion
+       (with-current-buffer buffer
+         (goto-char (point-min))
+         (search-forward "\n\n")
+         (backward-char)
+         (let ((data (org-collect-keywords '("TITLE" "TAGS" "STATUS" "COMMENTS" "DATE" "COMMENTS_DATE"))))
+           (mapc (lambda (item)
+                   (let ((key (car item))
+                         (value (cadr item)))
+                     (when (and (not (string= key "BODY"))
+                                (null (alist-get key data nil nil #'string=))
+                                (not (null value)))
+                       (insert "#+" key ": " value "\n"))))
+                 args))))
+     (message "Created new post: %s" url))
+    (`(:error (error http ,code))
+     (message "Failed to create post: %d" code))))
 
 ;;;###autoload
 (defun tekuti-send ()
@@ -104,7 +122,9 @@
          (url-request-extra-headers
           `(("Content-Type" . "application/x-www-form-urlencoded")))
          (url-request-data (tekuti-form-encode-data data)))
-    (url-retrieve (format "%s/admin/new-post" tekuti-host) #'tekuti--send-finished)))
+    (url-retrieve (format "%s/admin/new-post" tekuti-host)
+                  #'tekuti--send-finished
+                  (list (current-buffer) data))))
 
 (provide 'tekuti)
 ;;; tekuti.el ends here