Example input: a = /aaa/bbb/ccc b = /aaa/b11/ddd/ccc Output: ancestor = /aaa aChildName = bbb bChildName = b11 aRest = bbb/ccc bRest = b11/ddd/ccc
(a, b string)
| 58 | // aRest = bbb/ccc |
| 59 | // bRest = b11/ddd/ccc |
| 60 | func getPathCommonAncestor(a, b string) (ancestor, aChildName, bChildName, aRest, bRest string) { |
| 61 | a = utils.FixAndCleanPath(a) |
| 62 | b = utils.FixAndCleanPath(b) |
| 63 | idx := 1 |
| 64 | for idx < len(a) && idx < len(b) { |
| 65 | if a[idx] != b[idx] { |
| 66 | break |
| 67 | } |
| 68 | idx++ |
| 69 | } |
| 70 | aNextIdx := idx |
| 71 | for aNextIdx < len(a) { |
| 72 | if a[aNextIdx] == '/' { |
| 73 | break |
| 74 | } |
| 75 | aNextIdx++ |
| 76 | } |
| 77 | bNextIdx := idx |
| 78 | for bNextIdx < len(b) { |
| 79 | if b[bNextIdx] == '/' { |
| 80 | break |
| 81 | } |
| 82 | bNextIdx++ |
| 83 | } |
| 84 | for idx > 0 { |
| 85 | if a[idx] == '/' { |
| 86 | break |
| 87 | } |
| 88 | idx-- |
| 89 | } |
| 90 | ancestor = utils.FixAndCleanPath(a[:idx]) |
| 91 | aChildName = a[idx+1 : aNextIdx] |
| 92 | bChildName = b[idx+1 : bNextIdx] |
| 93 | aRest = a[idx+1:] |
| 94 | bRest = b[idx+1:] |
| 95 | return ancestor, aChildName, bChildName, aRest, bRest |
| 96 | } |
| 97 | |
| 98 | func getUsername(ctx context.Context) string { |
| 99 | user, ok := ctx.Value("user").(*model.User) |