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Diffstat (limited to 'module/vcomponent/formats/vdir/save-delete.scm')
-rw-r--r-- | module/vcomponent/formats/vdir/save-delete.scm | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/module/vcomponent/formats/vdir/save-delete.scm b/module/vcomponent/formats/vdir/save-delete.scm new file mode 100644 index 00000000..1c70dabf --- /dev/null +++ b/module/vcomponent/formats/vdir/save-delete.scm @@ -0,0 +1,40 @@ +;;; Commentary: +;;; Module for writing components to the vdir storage format. +;;; Currently also has some cases for "big" icalendar files, +;;; but those are currently unsupported. + +;;; TODO generalize save-event and remove-event into a general interface, +;;; which different database backends can implement. Actually, do that for all +;;; loading and writing. + +;;; Code: + +(define-module (vcomponent formats vdir save-delete) + :use-module (calp util) + :use-module ((calp util exceptions) :select (assert)) + :use-module (vcomponent formats ical output) + :use-module (vcomponent) + :use-module ((calp util io) :select (with-atomic-output-to-file)) + ) + + +(define-public (save-event event) + (define calendar (parent event)) + + (assert (eq? 'vdir (prop calendar '-X-HNH-SOURCETYPE))) + + (let* ((uid (or (prop event 'UID) (uuidgen)))) + (set! (prop event 'UID) uid + ;; TODO use existing filename if present? + (prop event '-X-HNH-FILENAME) (path-append + (prop calendar '-X-HNH-DIRECTORY) + (string-append uid ".ics"))) + (with-atomic-output-to-file (prop event '-X-HNH-FILENAME) + (lambda () (print-components-with-fake-parent (list event)))) + uid)) + + +(define-public (remove-event event) + (define calendar (parent event)) + (assert (eq? 'vdir (prop calendar '-X-HNH-SOURCETYPE))) + (delete-file (prop event '-X-HNH-FILENAME))) |