| 1 | package workspacestate |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "context" |
| 6 | "encoding/json" |
| 7 | "errors" |
| 8 | "os" |
| 9 | "slices" |
| 10 | "strings" |
| 11 | ) |
| 12 | |
| 13 | // Organization is owned by the registry transaction, including source adoption. |
| 14 | // Keys are host-qualified canonical or source identities, never topic IDs. |
| 15 | type Organization struct { |
| 16 | Revision uint64 `json:"revision"` |
| 17 | ManualOrderEnabled bool `json:"manualOrderEnabled"` |
| 18 | Order []string `json:"order"` |
| 19 | Groups []OrganizationGroup `json:"groups"` |
| 20 | MigrationVersion int `json:"migrationVersion"` |
| 21 | Imported map[string]bool `json:"imported"` |
| 22 | extra map[string]json.RawMessage |
| 23 | } |
| 24 | type OrganizationGroup struct { |
| 25 | ID string `json:"id"` |
| 26 | Title string `json:"title"` |
| 27 | Members []string `json:"members"` |
| 28 | extra map[string]json.RawMessage |
| 29 | } |
| 30 | |
| 31 | func (o *Organization) UnmarshalJSON(b []byte) error { |
| 32 | type plain Organization |
| 33 | var p plain |
| 34 | if err := json.Unmarshal(b, &p); err != nil { |
| 35 | return err |
| 36 | } |
| 37 | *o = Organization(p) |
| 38 | var err error |
| 39 | o.extra, err = unknownFields(b, "revision", "manualOrderEnabled", "order", "groups", "migrationVersion", "imported") |
| 40 | return err |
| 41 | } |
| 42 | func (o Organization) MarshalJSON() ([]byte, error) { |
| 43 | type plain Organization |
| 44 | b, e := json.Marshal(plain(o)) |
| 45 | if e != nil { |
| 46 | return nil, e |
| 47 | } |
| 48 | return mergeUnknown(b, o.extra) |
| 49 | } |
| 50 | func (o *OrganizationGroup) UnmarshalJSON(b []byte) error { |
| 51 | type plain OrganizationGroup |
| 52 | var p plain |
| 53 | if e := json.Unmarshal(b, &p); e != nil { |
| 54 | return e |
| 55 | } |
| 56 | *o = OrganizationGroup(p) |
| 57 | var e error |
| 58 | o.extra, e = unknownFields(b, "id", "title", "members") |
| 59 | return e |
| 60 | } |
| 61 | func (o OrganizationGroup) MarshalJSON() ([]byte, error) { |
| 62 | type plain OrganizationGroup |
| 63 | b, e := json.Marshal(plain(o)) |
| 64 | if e != nil { |
| 65 | return nil, e |
| 66 | } |
| 67 | return mergeUnknown(b, o.extra) |
| 68 | } |
| 69 | |
| 70 | func SessionKey(id string) string { return "ref\x00local\x00" + id } |
| 71 | |
| 72 | func (s *Store) PrepareCreatePresentation(ctx context.Context, id string, p Presentation) error { |
| 73 | return s.mutate(ctx, func(state *State) error { |
| 74 | if _, attached := sessionOwner(*state, id); attached { |
| 75 | return nil |
| 76 | } |
| 77 | pending, ok := state.PendingCreates[id] |
| 78 | if !ok { |
| 79 | return ErrSessionNotFound |
| 80 | } |
| 81 | if pending.Presentation == nil { |
| 82 | pending.Presentation = &p |
| 83 | state.PendingCreates[id] = pending |
| 84 | } |
| 85 | return nil |
| 86 | }) |
| 87 | } |
| 88 | func normalizeOrganization(o *Organization) { |
| 89 | if o.Order == nil { |
| 90 | o.Order = []string{} |
| 91 | } |
| 92 | if o.Groups == nil { |
| 93 | o.Groups = []OrganizationGroup{} |
| 94 | } |
| 95 | if o.Imported == nil { |
| 96 | o.Imported = map[string]bool{} |
| 97 | } |
| 98 | for i := range o.Groups { |
| 99 | if o.Groups[i].Members == nil { |
| 100 | o.Groups[i].Members = []string{} |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | // UpdateOrganization is a workspace-scoped CAS. A nil revision is reserved for |
| 106 | // compatibility/import callers already serialized by this store's file lock. |
| 107 | func (s *Store) UpdateOrganization(ctx context.Context, id string, revision *uint64, change func(*Organization) error) (Organization, bool, error) { |
| 108 | return s.UpdateOrganizationWithState(ctx, id, revision, func(_ *State, o *Organization) error { return change(o) }) |
| 109 | } |
| 110 | |
| 111 | func (s *Store) UpdateOrganizationWithState(ctx context.Context, id string, revision *uint64, change func(*State, *Organization) error) (Organization, bool, error) { |
| 112 | var result Organization |
| 113 | applied := false |
| 114 | err := s.mutate(ctx, func(state *State) error { |
| 115 | w, ok := state.Workspaces[id] |
| 116 | if !ok { |
| 117 | return ErrWorkspaceNotFound |
| 118 | } |
| 119 | if w.Organization == nil { |
| 120 | w.Organization = &Organization{} |
| 121 | } |
| 122 | o := w.Organization |
| 123 | normalizeOrganization(o) |
| 124 | if revision != nil && o.Revision != *revision { |
| 125 | result = *o |
| 126 | return nil |
| 127 | } |
| 128 | before, _ := json.Marshal(o) |
| 129 | if err := change(state, o); err != nil { |
| 130 | return err |
| 131 | } |
| 132 | normalizeOrganization(o) |
| 133 | after, _ := json.Marshal(o) |
| 134 | if !bytes.Equal(before, after) { |
| 135 | o.Revision++ |
| 136 | } |
| 137 | mirrorOrganizationOrder(&w) |
| 138 | state.Workspaces[id] = w |
| 139 | result = *o |
| 140 | applied = true |
| 141 | return nil |
| 142 | }) |
| 143 | return result, applied, err |
| 144 | } |
| 145 | |
| 146 | func mirrorOrganizationOrder(w *Workspace) { |
| 147 | if w.Organization == nil { |
| 148 | return |
| 149 | } |
| 150 | ids := []string{} |
| 151 | members := make(map[string]bool, len(w.SessionIDs)) |
| 152 | seen := make(map[string]bool, len(w.SessionIDs)) |
| 153 | for _, sid := range w.SessionIDs { |
| 154 | members[sid] = true |
| 155 | } |
| 156 | for _, key := range w.Organization.Order { |
| 157 | if sid, ok := strings.CutPrefix(key, "ref\x00local\x00"); ok { |
| 158 | if members[sid] && !seen[sid] { |
| 159 | ids = append(ids, sid) |
| 160 | seen[sid] = true |
| 161 | } |
| 162 | } |
| 163 | } |
| 164 | for _, sid := range w.SessionIDs { |
| 165 | if !seen[sid] { |
| 166 | ids = append(ids, sid) |
| 167 | seen[sid] = true |
| 168 | } |
| 169 | } |
| 170 | w.SessionIDs = ids |
| 171 | } |
| 172 | |
| 173 | func attachOrganizationSession(w *Workspace, id, parentID string) { |
| 174 | if w.Organization == nil { |
| 175 | return |
| 176 | } |
| 177 | o := w.Organization |
| 178 | normalizeOrganization(o) |
| 179 | key := SessionKey(id) |
| 180 | if slices.Contains(o.Order, key) { |
| 181 | return |
| 182 | } |
| 183 | parent := SessionKey(parentID) |
| 184 | index := slices.Index(o.Order, parent) |
| 185 | if parentID != "" && index >= 0 { |
| 186 | o.Order = slices.Insert(o.Order, index+1, key) |
| 187 | } else if o.ManualOrderEnabled { |
| 188 | // The sidebar pages a manual order from its head; a tail entry sits |
| 189 | // behind every older session and is out of reach once history is long. |
| 190 | o.Order = slices.Insert(o.Order, 0, key) |
| 191 | } else { |
| 192 | o.Order = append(o.Order, key) |
| 193 | } |
| 194 | for i := range o.Groups { |
| 195 | if parentID != "" && slices.Contains(o.Groups[i].Members, parent) { |
| 196 | o.Groups[i].Members = append(o.Groups[i].Members, key) |
| 197 | } |
| 198 | } |
| 199 | o.Imported[key] = true |
| 200 | o.Revision++ |
| 201 | } |
| 202 | |
| 203 | // Replace every already-imported source alias in the same commit as its mapping. |
| 204 | func adoptOrganizationSource(state *State, m SourceMapping) { |
| 205 | w, ok := state.Workspaces[m.WorkspaceID] |
| 206 | if !ok || w.Organization == nil { |
| 207 | return |
| 208 | } |
| 209 | o := w.Organization |
| 210 | normalizeOrganization(o) |
| 211 | oldKeys := []string{"source\x00local\x00" + m.SourceKey} |
| 212 | if m.HeadID == "" { |
| 213 | oldKeys = append(oldKeys, "path\x00"+m.Path) |
| 214 | } |
| 215 | target := SessionKey(m.SessionID) |
| 216 | already := o.Imported[target] |
| 217 | changed := false |
| 218 | replace := func(values []string) []string { |
| 219 | out := []string{} |
| 220 | for _, v := range values { |
| 221 | if slices.Contains(oldKeys, v) { |
| 222 | if already { |
| 223 | continue |
| 224 | } |
| 225 | v = target |
| 226 | changed = true |
| 227 | } |
| 228 | if !slices.Contains(out, v) { |
| 229 | out = append(out, v) |
| 230 | } |
| 231 | } |
| 232 | return out |
| 233 | } |
| 234 | o.Order = replace(o.Order) |
| 235 | for i := range o.Groups { |
| 236 | o.Groups[i].Members = replace(o.Groups[i].Members) |
| 237 | } |
| 238 | for _, old := range oldKeys { |
| 239 | if o.Imported[old] { |
| 240 | o.Imported[target] = true |
| 241 | delete(o.Imported, old) |
| 242 | changed = true |
| 243 | } |
| 244 | } |
| 245 | if changed { |
| 246 | o.Revision++ |
| 247 | } |
| 248 | mirrorOrganizationOrder(&w) |
| 249 | state.Workspaces[m.WorkspaceID] = w |
| 250 | } |
| 251 | |
| 252 | func backupV2(path string) error { |
| 253 | b, e := os.ReadFile(path) |
| 254 | if errors.Is(e, os.ErrNotExist) { |
| 255 | return nil |
| 256 | } |
| 257 | if e != nil { |
| 258 | return e |
| 259 | } |
| 260 | var h struct { |
| 261 | Version int `json:"version"` |
| 262 | } |
| 263 | if json.Unmarshal(b, &h) != nil || h.Version != 2 { |
| 264 | return nil |
| 265 | } |
| 266 | f, e := os.OpenFile(path+".v2.bak", os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0600) |
| 267 | if errors.Is(e, os.ErrExist) { |
| 268 | return nil |
| 269 | } |
| 270 | if e != nil { |
| 271 | return e |
| 272 | } |
| 273 | _, e = f.Write(b) |
| 274 | if e == nil { |
| 275 | e = f.Sync() |
| 276 | } |
| 277 | closeErr := f.Close() |
| 278 | if e != nil { |
| 279 | return e |
| 280 | } |
| 281 | return closeErr |
| 282 | } |
| 283 |