notmuch: add notmuch bindings

aerc is using an unmaintained fork of a not-well-functioning notmuch
binding library. Add custom bindings directly into the aerc repo to make
them more maintainable and more customizable to our needs.

Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>

1 files changed, 64 insertions, 0 deletions

diff --git a/lib/notmuch/directory.go b/lib/notmuch/directory.go
new file mode 100644
index 00000000..796c66ef
--- /dev/null
+++ b/lib/notmuch/directory.go
@@ -0,0 +1,64 @@
+//go:build notmuch
+// +build notmuch
+
+package notmuch
+
+/*
+#cgo LDFLAGS: -lnotmuch
+
+#include <notmuch.h>
+
+*/
+import "C"
+import "time"
+
+type Directory struct {
+	dir *C.notmuch_directory_t
+}
+
+func (dir *Directory) SetModifiedTime(t time.Time) error {
+	cTime := C.time_t(t.Unix())
+	return errorWrap(C.notmuch_directory_set_mtime(dir.dir, cTime))
+}
+
+func (dir *Directory) ModifiedTime() time.Time {
+	cTime := C.notmuch_directory_get_mtime(dir.dir)
+	return time.Unix(int64(cTime), 0)
+}
+
+func (dir *Directory) Filenames() []string {
+	cFilenames := C.notmuch_directory_get_child_files(dir.dir)
+	defer C.notmuch_filenames_destroy(cFilenames)
+
+	filenames := []string{}
+	for C.notmuch_filenames_valid(cFilenames) > 0 {
+		filename := C.notmuch_filenames_get(cFilenames)
+		filenames = append(filenames, C.GoString(filename))
+		C.notmuch_filenames_move_to_next(cFilenames)
+	}
+	return filenames
+}
+
+func (dir *Directory) Directories() []string {
+	cFilenames := C.notmuch_directory_get_child_directories(dir.dir)
+	defer C.notmuch_filenames_destroy(cFilenames)
+
+	filenames := []string{}
+	for C.notmuch_filenames_valid(cFilenames) > 0 {
+		filename := C.notmuch_filenames_get(cFilenames)
+		filenames = append(filenames, C.GoString(filename))
+		C.notmuch_filenames_move_to_next(cFilenames)
+	}
+	return filenames
+}
+
+// Delete deletes a directory document from the database and destroys
+// the underlying object. Any child directories and files must have been
+// deleted firs the caller
+func (dir *Directory) Delete() error {
+	return errorWrap(C.notmuch_directory_delete(dir.dir))
+}
+
+func (dir *Directory) Close() {
+	C.notmuch_directory_destroy(dir.dir)
+}