using gosseract to extract text of images

images.go

@@ -0,0 +1,25 @@
+package docconv
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/otiai10/gosseract"
+)
+
+func ConvertImage(r io.Reader) (string, map[string]string, error) {
+	f, err := NewLocalFile(r, "/tmp", "sajari-convert-")
+	if err != nil {
+		return "", nil, fmt.Errorf("error creating local file: %v", err)
+	}
+	defer f.Done()
+
+	meta := make(map[string]string)
+	out := make(chan string, 1)
+	go func(file *LocalFile) {
+		body := gosseract.Must(gosseract.Params{Src: file.Name()})
+		out <- string(body)
+	}(f)
+
+	return <-out, meta, nil
+}