| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "reasonix/internal/agent" |
| 7 | "reasonix/internal/config" |
| 8 | "reasonix/internal/session" |
| 9 | "slices" |
| 10 | "strings" |
| 11 | ) |
| 12 | |
| 13 | func (a *App) resolveSourceSessionTarget(selector SessionSelector, allowArchived bool) (SessionTarget, error) { |
| 14 | source := selector.Source |
| 15 | if source.HostID != "" && source.HostID != localDesktopHostID { |
| 16 | return SessionTarget{}, newSessionOperationError("unsupported", "This source belongs to another host.") |
| 17 | } |
| 18 | if strings.TrimSpace(source.Path) == "" { |
| 19 | return SessionTarget{}, newSessionOperationError("target_not_found", "The source no longer exists.") |
| 20 | } |
| 21 | key := desktopSourceKey(source.Path, source.HeadID) |
| 22 | state, err := a.workspaceRegistry().Load(a.bootContext()) |
| 23 | if err != nil { |
| 24 | return SessionTarget{}, err |
| 25 | } |
| 26 | if source.SourceKey != "" && !slices.Contains(state.SourceKeys(source.SourceKey), key) { |
| 27 | return SessionTarget{}, newSessionOperationError("target_changed", "The source identity changed.") |
| 28 | } |
| 29 | mapping, ok, err := state.ResolveSource(key) |
| 30 | if err != nil { |
| 31 | return SessionTarget{}, err |
| 32 | } |
| 33 | if ok { |
| 34 | return a.resolveCanonicalSessionTargetState(session.SessionRef{HostID: localDesktopHostID, SessionID: mapping.SessionID}, selector.TopicID, allowArchived) |
| 35 | } |
| 36 | if source.HeadID == "" { |
| 37 | canonical, _ := a.desktopHistoricalRoots() |
| 38 | for _, root := range canonical { |
| 39 | if !sameDesktopPath(filepath.Dir(source.Path), root.root) { |
| 40 | continue |
| 41 | } |
| 42 | info, statErr := os.Lstat(source.Path) |
| 43 | pending := pendingHistoricalOperation(state, key) |
| 44 | if statErr != nil && !(os.IsNotExist(statErr) && pending != nil) { |
| 45 | return SessionTarget{}, newSessionOperationError("target_not_found", "The historical source is unavailable.") |
| 46 | } |
| 47 | if info != nil && (!info.IsDir() || info.Mode()&os.ModeSymlink != 0) { |
| 48 | return SessionTarget{}, newSessionOperationError("target_not_found", "The historical source is not a session directory.") |
| 49 | } |
| 50 | copy := *source |
| 51 | copy.HostID, copy.SourceKey = localDesktopHostID, key |
| 52 | return SessionTarget{Source: ©, SessionPath: source.Path, TopicID: selector.TopicID, |
| 53 | Scope: root.scope, WorkspaceRoot: root.workspaceRoot}, nil |
| 54 | } |
| 55 | } |
| 56 | if source.HeadID != "" { |
| 57 | target, err := a.resolveHistoricalHeadTarget(*source, key) |
| 58 | return recoverHistoricalRuntimeOwner(target), err |
| 59 | } |
| 60 | target, err := a.resolveLegacySessionTarget(source.Path, selector.TopicID, allowArchived) |
| 61 | if err == nil && target.SessionRef.SessionID == "" { |
| 62 | copy := *source |
| 63 | copy.HostID, copy.SourceKey = localDesktopHostID, key |
| 64 | target.Source = © |
| 65 | target = recoverHistoricalRuntimeOwner(target) |
| 66 | } |
| 67 | return target, err |
| 68 | } |
| 69 | |
| 70 | // Global legacy storage is independent of old project metadata. If that |
| 71 | // metadata names a removed project, recover its actual global storage owner. |
| 72 | // A source inside a project never gains authority to run in another project. |
| 73 | func recoverHistoricalRuntimeOwner(target SessionTarget) SessionTarget { |
| 74 | if target.Scope != "project" || target.Source == nil { |
| 75 | return target |
| 76 | } |
| 77 | if info, err := os.Stat(target.WorkspaceRoot); err == nil && info.IsDir() || err != nil && !os.IsNotExist(err) { |
| 78 | return target |
| 79 | } |
| 80 | dir := filepath.Dir(target.Source.Path) |
| 81 | if sameDesktopPath(dir, config.SessionDir()) || sameDesktopPath(dir, desktopSessionDir(globalWorkspaceRoot())) { |
| 82 | target.Scope, target.WorkspaceRoot = "global", "" |
| 83 | } |
| 84 | return target |
| 85 | } |
| 86 | |
| 87 | func (a *App) resolveHistoricalHeadTarget(source SessionSourceRef, key string) (SessionTarget, error) { |
| 88 | dir, validated, err := a.sessionDirForPath(source.Path) |
| 89 | if err != nil { |
| 90 | return SessionTarget{}, err |
| 91 | } |
| 92 | if _, _, err = validateSessionPath(dir, validated); err != nil { |
| 93 | return SessionTarget{}, err |
| 94 | } |
| 95 | heads, err := agent.ListSessionHeads(validated) |
| 96 | if err != nil { |
| 97 | return SessionTarget{}, err |
| 98 | } |
| 99 | found := false |
| 100 | for _, head := range heads { |
| 101 | if head.ID == source.HeadID && !head.Retired { |
| 102 | found = true |
| 103 | } |
| 104 | } |
| 105 | if !found { |
| 106 | return SessionTarget{}, newSessionOperationError("target_not_found", "This historical head is no longer available.") |
| 107 | } |
| 108 | source.Path, source.HostID, source.SourceKey = validated, localDesktopHostID, key |
| 109 | target := SessionTarget{Source: &source, SessionPath: validated, Scope: "global"} |
| 110 | for _, project := range loadProjectsFile().Projects { |
| 111 | if canonicalRuntimeRoot(dir) == canonicalRuntimeRoot(desktopSessionDir(project.Root)) { |
| 112 | target.Scope, target.WorkspaceRoot = "project", project.Root |
| 113 | break |
| 114 | } |
| 115 | } |
| 116 | if meta, ok, err := agent.LoadBranchMeta(validated); err == nil && ok { |
| 117 | target.TopicID = meta.TopicID |
| 118 | if meta.Scope != "" { |
| 119 | target.Scope, target.WorkspaceRoot = meta.Scope, meta.WorkspaceRoot |
| 120 | } |
| 121 | } |
| 122 | return target, nil |
| 123 | } |
| 124 |