1 files changed, 39 insertions, 0 deletions
diff --git a/module/output/vdir.scm b/module/output/vdir.scm
new file mode 100644
index 00000000..5c70f28e
--- /dev/null
+++ b/module/output/vdir.scm
@@ -0,0 +1,39 @@
+;;; Commentary:
+;;; Module for writing components to the vdir storage format.
+;;; Currently also has some cases for "big" icalendar files,
+;;; but those are currently unsupported.
+;;; Code:
+
+(define-module (output vdir)
+  :use-module (util)
+  :use-modules (output ical)
+  :use-modules (vcomponent)
+  )
+
+(define / file-name-separator-string)
+
+(define-public (save-event event)
+  (define calendar (parent event))
+  (case (prop calendar 'X-HNH-SOURCETYPE)
+    [(file)
+     (error "Importing into direct calendar files not supported")]
+
+    [(vdir)
+     (let* ((uid (or (prop event 'UID) (uuidgen)))
+            ;; copy to enusre writable string
+            (tmpfile (string-copy (string-append (prop calendar 'X-HNH-DIRECTORY)
+                                                 / ".calp-" uid "XXXXXX")))
+            (port (mkstemp! tmpfile)))
+       (set! (prop event 'UID) uid)
+       (with-output-to-port port
+         (lambda () (print-components-with-fake-parent (list event))))
+       ;; does close flush?
+       (force-output port)
+       (close-port port)
+       (rename-file tmpfile (string-append (prop calendar 'X-HNH-DIRECTORY)
+                                           / uid ".ics"))
+       uid)]
+
+    [else
+     (error "Source of calendar unknown, aborting.")
+     ]))