minor: v0.3.0

[rbdr/mobius] / hotline / file_path.go

diff --git a/hotline/file_path.go b/hotline/file_path.go
index 733dfaa64ceafce0bc6bd0f03e8c2c91a43789f2..f7da29818e8bfc2489442609aeaf99f3316fac60 100644 (file)
--- a/hotline/file_path.go
+++ b/hotline/file_path.go
@@ -1,7 +1,10 @@
 package hotline
 
 import (
+       "bytes"
        "encoding/binary"
+       "errors"
+       "path"
        "strings"
 )
 
@@ -24,12 +27,23 @@ func NewFilePathItem(b []byte) FilePathItem {
 }
 
 type FilePath struct {
-       ItemCount []byte
+       ItemCount [2]byte
        Items     []FilePathItem
 }
 
+const minFilePathLen = 2
+
 func (fp *FilePath) UnmarshalBinary(b []byte) error {
-       fp.ItemCount = b[0:2]
+       if b == nil {
+               return nil
+       }
+       if len(b) < minFilePathLen {
+               return errors.New("insufficient bytes")
+       }
+       err := binary.Read(bytes.NewReader(b[0:2]), binary.BigEndian, &fp.ItemCount)
+       if err != nil {
+               return err
+       }
 
        pathData := b[2:]
        for i := uint16(0); i < fp.Len(); i++ {
@@ -41,16 +55,33 @@ func (fp *FilePath) UnmarshalBinary(b []byte) error {
        return nil
 }
 
+func (fp *FilePath) IsDropbox() bool {
+       if fp.Len() == 0 {
+               return false
+       }
+
+       return strings.Contains(strings.ToLower(string(fp.Items[fp.Len()-1].Name)), "drop box")
+}
+
+func (fp *FilePath) IsUploadDir() bool {
+       if fp.Len() == 0 {
+               return false
+       }
+
+       return strings.Contains(strings.ToLower(string(fp.Items[fp.Len()-1].Name)), "upload")
+}
+
 func (fp *FilePath) Len() uint16 {
-       return binary.BigEndian.Uint16(fp.ItemCount)
+       return binary.BigEndian.Uint16(fp.ItemCount[:])
 }
 
 func (fp *FilePath) String() string {
-       var out []string
+       out := []string{"/"}
        for _, i := range fp.Items {
                out = append(out, string(i.Name))
        }
-       return strings.Join(out, pathSeparator)
+
+       return path.Join(out...)
 }
 
 func ReadFilePath(filePathFieldData []byte) string {
@@ -61,3 +92,21 @@ func ReadFilePath(filePathFieldData []byte) string {
        }
        return fp.String()
 }
+
+func readPath(fileRoot string, filePath, fileName []byte) (fullPath string, err error) {
+       var fp FilePath
+       if filePath != nil {
+               if err = fp.UnmarshalBinary(filePath); err != nil {
+                       return "", err
+               }
+       }
+
+       fullPath = path.Join(
+               "/",
+               fileRoot,
+               fp.String(),
+               path.Join("/", string(fileName)),
+       )
+
+       return fullPath, nil
+}