| 83 | } |
| 84 | |
| 85 | func (node *Node) addPart(n int, file *file.FormFile) (err error) { |
| 86 | if n >= node.Parts.Count && !node.Parts.VarLen { |
| 87 | return errors.New("part number is greater than node length: " + strconv.Itoa(node.Parts.Length)) |
| 88 | } |
| 89 | |
| 90 | if n < node.Parts.Count && len(node.Parts.Parts[n]) > 0 { |
| 91 | return errors.New(e.FileImut) |
| 92 | } |
| 93 | |
| 94 | // create part |
| 95 | part := partsFile{file.Name, file.Checksum["md5"]} |
| 96 | |
| 97 | // add part to node |
| 98 | if node.Parts.VarLen == true && n >= node.Parts.Count { |
| 99 | for i := node.Parts.Count; i < n; i = i + 1 { |
| 100 | node.Parts.Parts = append(node.Parts.Parts, partsFile{}) |
| 101 | node.Parts.Count = node.Parts.Count + 1 |
| 102 | } |
| 103 | node.Parts.Parts = append(node.Parts.Parts, part) |
| 104 | node.Parts.Count = node.Parts.Count + 1 |
| 105 | node.Parts.Length = node.Parts.Length + 1 |
| 106 | } else { |
| 107 | node.Parts.Parts[n] = part |
| 108 | node.Parts.Length = node.Parts.Length + 1 |
| 109 | } |
| 110 | |
| 111 | // put part into data directory |
| 112 | if err = os.Rename(file.Path, fmt.Sprintf("%s/parts/%d", node.Path(), n+1)); err != nil { |
| 113 | return err |
| 114 | } |
| 115 | return |
| 116 | } |
| 117 | |
| 118 | func (node *Node) closeParts(allowEmpty bool) (err error) { |
| 119 | // Second param says we will allow empty parts in merging of those parts, true for variable length parts |