| 1 | package sessioncatalog |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "strings" |
| 7 | |
| 8 | "reasonix/internal/pathidentity" |
| 9 | ) |
| 10 | |
| 11 | // PathIdentityKey returns the stable comparison key for a catalog path while |
| 12 | // leaving the caller's access spelling untouched. Parent aliases are resolved, |
| 13 | // and case is folded only when the governing filesystem directory reports |
| 14 | // case-insensitive lookup. |
| 15 | func PathIdentityKey(path string) string { |
| 16 | path = cleanCatalogAccessPath(path) |
| 17 | if path == "" { |
| 18 | return "" |
| 19 | } |
| 20 | baseDir := "" |
| 21 | if !filepath.IsAbs(path) { |
| 22 | var err error |
| 23 | baseDir, err = os.Getwd() |
| 24 | if err != nil { |
| 25 | return "" |
| 26 | } |
| 27 | } |
| 28 | identity, err := pathidentity.Resolve(path, pathidentity.Options{BaseDir: baseDir, FollowLeaf: true}) |
| 29 | if err != nil { |
| 30 | return "" |
| 31 | } |
| 32 | return identity.Key |
| 33 | } |
| 34 | |
| 35 | func cleanCatalogAccessPath(path string) string { |
| 36 | path = strings.TrimSpace(path) |
| 37 | if path == "" { |
| 38 | return "" |
| 39 | } |
| 40 | path = filepath.Clean(path) |
| 41 | if path == "." { |
| 42 | return "" |
| 43 | } |
| 44 | return path |
| 45 | } |
| 46 | |
| 47 | // UniqueDirectoryTargets keeps the first usable access spelling for each |
| 48 | // physical directory identity. Rebuild and every caller use the same boundary, |
| 49 | // so a missed Desktop or CLI call site cannot reintroduce duplicate scans. |
| 50 | func UniqueDirectoryTargets(targets []DirectoryTarget) []DirectoryTarget { |
| 51 | return uniqueDirectoryTargetsBy(targets, PathIdentityKey) |
| 52 | } |
| 53 | |
| 54 | func uniqueDirectoryTargetsBy(targets []DirectoryTarget, identity func(string) string) []DirectoryTarget { |
| 55 | seen := make(map[string]struct{}, len(targets)) |
| 56 | out := make([]DirectoryTarget, 0, len(targets)) |
| 57 | for _, target := range targets { |
| 58 | target.Path = cleanCatalogAccessPath(target.Path) |
| 59 | if target.Path == "" { |
| 60 | continue |
| 61 | } |
| 62 | key := identity(target.Path) |
| 63 | if key == "" { |
| 64 | continue |
| 65 | } |
| 66 | if _, ok := seen[key]; ok { |
| 67 | continue |
| 68 | } |
| 69 | seen[key] = struct{}{} |
| 70 | out = append(out, target) |
| 71 | } |
| 72 | return out |
| 73 | } |
| 74 |