| 126 | } |
| 127 | |
| 128 | func cloneSessionItem(item Item) (Item, error) { |
| 129 | switch { |
| 130 | case item.Message != nil: |
| 131 | cloned := cloneMessage(item.Message) |
| 132 | // Branched messages must get fresh database IDs when persisted, so |
| 133 | // drop the parent's row ID. |
| 134 | cloned.ID = 0 |
| 135 | return Item{Message: cloned}, nil |
| 136 | case item.SubSession != nil: |
| 137 | clonedSub, err := cloneSubSession(item.SubSession) |
| 138 | if err != nil { |
| 139 | return Item{}, err |
| 140 | } |
| 141 | return Item{SubSession: clonedSub}, nil |
| 142 | case item.Summary != "": |
| 143 | return Item{Summary: item.Summary, Cost: item.Cost}, nil |
| 144 | case item.Error != nil: |
| 145 | errCopy := *item.Error |
| 146 | return Item{Error: &errCopy}, nil |
| 147 | default: |
| 148 | return Item{}, errors.New("cannot clone empty session item") |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | func cloneSubSession(src *Session) (*Session, error) { |
| 153 | if src == nil { |