add intermediate export package no to make repo dependant on dna

1 files changed, 58 insertions, 0 deletions

diff --git a/repo/export.go b/repo/export.go
new file mode 100644
index 0000000..dd12077
--- /dev/null
+++ b/repo/export.go
@@ -0,0 +1,58 @@
+/* Copyright (C) 2021 Nicolas Peugnet <n.peugnet@free.fr>
+
+   This file is part of dna-backup.
+
+   dna-backup is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   dna-backup is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with dna-backup.  If not, see <https://www.gnu.org/licenses/>. */
+
+package repo
+
+import (
+	"io"
+
+	"github.com/n-peugnet/dna-backup/export"
+	"github.com/n-peugnet/dna-backup/logger"
+)
+
+func (r *Repo) Export(exporter export.Exporter) {
+	r.Init()
+	chunks := r.loadChunks(r.versions)
+	for i := range r.versions {
+		var err error
+		input, end := exporter.ExportVersion()
+		if len(chunks[i]) > 0 {
+			for _, c := range chunks[i] {
+				_, err := io.Copy(input.Chunks, c.Reader())
+				if err != nil {
+					logger.Error(err)
+				}
+			}
+			input.Chunks.Close()
+		}
+		readDelta(r.versions[i], recipeName, r.chunkReadWrapper, func(rc io.ReadCloser) {
+			_, err = io.Copy(input.Recipe, rc)
+			if err != nil {
+				logger.Error("load recipe ", err)
+			}
+			input.Recipe.Close()
+		})
+		readDelta(r.versions[i], filesName, r.chunkReadWrapper, func(rc io.ReadCloser) {
+			_, err = io.Copy(input.Files, rc)
+			if err != nil {
+				logger.Error("load files ", err)
+			}
+			input.Files.Close()
+		})
+		<-end
+	}
+}