Merge branch 'master' of ssh://ssh.phx.nearlyfreespeech.net/home/public/bookpipeline

1 files changed, 96 insertions, 0 deletions

diff --git a/internal/pipeline/get.go b/internal/pipeline/get.go
new file mode 100644
index 0000000..6c5b92c
--- /dev/null
+++ b/internal/pipeline/get.go
@@ -0,0 +1,96 @@
+// Copyright 2019 Nick White.
+// Use of this source code is governed by the GPLv3
+// license that can be found in the LICENSE file.
+
+package pipeline
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func DownloadBestPages(dir string, name string, conn Pipeliner, pluspngs bool) error {
+	key := filepath.Join(name, "best")
+	fn := filepath.Join(dir, "best")
+	err := conn.Download(conn.WIPStorageId(), key, fn)
+	if err != nil {
+		return fmt.Errorf("Failed to download 'best' file: %v", err)
+	}
+	f, err := os.Open(fn)
+	if err != nil {
+		return fmt.Errorf("Failed to open best file: %v", err)
+	}
+	defer f.Close()
+
+	s := bufio.NewScanner(f)
+	for s.Scan() {
+		key = filepath.Join(name, s.Text())
+		fn = filepath.Join(dir, s.Text())
+		conn.Log("Downloading file", key)
+		err = conn.Download(conn.WIPStorageId(), key, fn)
+		if err != nil {
+			return fmt.Errorf("Failed to download file %s: %v", key, err)
+		}
+	}
+
+	if !pluspngs {
+		return nil
+	}
+
+	s = bufio.NewScanner(f)
+	for s.Scan() {
+		imgname := strings.Replace(s.Text(), ".hocr", ".png", 1)
+		key = filepath.Join(name, imgname)
+		fn = filepath.Join(dir, imgname)
+		conn.Log("Downloading file", key)
+		err = conn.Download(conn.WIPStorageId(), key, fn)
+		if err != nil {
+			return fmt.Errorf("Failed to download file %s: %v", key, err)
+		}
+	}
+	return nil
+}
+
+func DownloadPdfs(dir string, name string, conn Pipeliner) error {
+	for _, suffix := range []string{".colour.pdf", ".binarised.pdf"} {
+		key := filepath.Join(name, name+suffix)
+		fn := filepath.Join(dir, name+suffix)
+		err := conn.Download(conn.WIPStorageId(), key, fn)
+		if err != nil {
+			return fmt.Errorf("Failed to download PDF %s: %v", key, err)
+		}
+	}
+	return nil
+}
+
+func DownloadAnalyses(dir string, name string, conn Pipeliner) error {
+	for _, a := range []string{"conf", "graph.png"} {
+		key := filepath.Join(name, a)
+		fn := filepath.Join(dir, a)
+		err := conn.Download(conn.WIPStorageId(), key, fn)
+		if err != nil {
+			return fmt.Errorf("Failed to download analysis file %s: %v", key, err)
+		}
+	}
+	return nil
+}
+
+func DownloadAll(dir string, name string, conn Pipeliner) error {
+	objs, err := conn.ListObjects(conn.WIPStorageId(), name)
+	if err != nil {
+		return fmt.Errorf("Failed to get list of files for book", name, err)
+	}
+	for _, i := range objs {
+		base := filepath.Base(i)
+		fn := filepath.Join(dir, base)
+		conn.Log("Downloading", i)
+		err = conn.Download(conn.WIPStorageId(), i, fn)
+		if err != nil {
+			return fmt.Errorf("Failed to download file %s: %v", i, err)
+		}
+	}
+	return nil
+}