| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "crypto/sha256" |
| 5 | "encoding/json" |
| 6 | "fmt" |
| 7 | "slices" |
| 8 | "strings" |
| 9 | ) |
| 10 | |
| 11 | func resolveProjectTopicGroupFilter(req *ProjectTopicPageRequest) error { |
| 12 | requestedFilter := strings.TrimSpace(strings.ToLower(req.GroupFilter)) |
| 13 | filter := requestedFilter |
| 14 | if filter == "" { |
| 15 | filter = "all" |
| 16 | } |
| 17 | if filter != "all" && filter != "ungrouped" && filter != "group" { |
| 18 | return fmt.Errorf("invalid project topic group filter %q", req.GroupFilter) |
| 19 | } |
| 20 | if filter == "all" { |
| 21 | req.GroupFilter = "all" |
| 22 | // An omitted filter keeps the legacy unbound cursor contract. Every |
| 23 | // caller that opts into the new sidebar fields receives a cursor bound |
| 24 | // to the complete list identity, including project, query and sort. |
| 25 | if requestedFilter != "" || req.ExcludePinned { |
| 26 | req.groupCursorBind = projectTopicCursorBinding(*req, filter, "", 0) |
| 27 | } |
| 28 | return nil |
| 29 | } |
| 30 | |
| 31 | f := loadProjectsFile() |
| 32 | groups := f.GlobalGroups |
| 33 | revision := f.GlobalGroupsRevision |
| 34 | if strings.TrimSpace(req.Scope) == "project" { |
| 35 | index := projectIndexByRoot(f.Projects, req.WorkspaceRoot) |
| 36 | if index >= 0 { |
| 37 | groups = f.Projects[index].Groups |
| 38 | revision = f.Projects[index].GroupsRevision |
| 39 | } else { |
| 40 | groups = nil |
| 41 | } |
| 42 | } |
| 43 | groups = normalizeGroups(groups) |
| 44 | req.GroupFilter = filter |
| 45 | req.groupAll = append([]desktopGroup(nil), groups...) |
| 46 | |
| 47 | if filter == "group" { |
| 48 | groupID := strings.TrimSpace(req.GroupID) |
| 49 | if groupID == "" { |
| 50 | return fmt.Errorf("project topic group id is required") |
| 51 | } |
| 52 | for _, group := range groups { |
| 53 | if group.ID != groupID { |
| 54 | continue |
| 55 | } |
| 56 | selected := group |
| 57 | req.groupSelected = &selected |
| 58 | if !groupHasSessionRules(group) { |
| 59 | req.groupIncludeJSON, req.groupInclude = topicIDFilter(group.TopicIDs) |
| 60 | } |
| 61 | req.groupCursorBind = projectTopicCursorBinding(*req, filter, groupID, revision) |
| 62 | return nil |
| 63 | } |
| 64 | return fmt.Errorf("project topic group %q no longer exists", groupID) |
| 65 | } |
| 66 | |
| 67 | allGrouped := make([]string, 0) |
| 68 | for _, group := range groups { |
| 69 | allGrouped = append(allGrouped, group.TopicIDs...) |
| 70 | } |
| 71 | if !groupsHaveSessionRules(groups) { |
| 72 | req.groupExcludeJSON, req.groupExclude = topicIDFilter(allGrouped) |
| 73 | } |
| 74 | req.groupCursorBind = projectTopicCursorBinding(*req, filter, "", revision) |
| 75 | return nil |
| 76 | } |
| 77 | |
| 78 | func projectTopicCursorBinding(req ProjectTopicPageRequest, filter, groupID string, membershipRevision uint64) string { |
| 79 | payload, _ := json.Marshal([]any{ |
| 80 | "project-topics-v1", |
| 81 | strings.TrimSpace(strings.ToLower(req.Scope)), |
| 82 | strings.TrimSpace(req.WorkspaceRoot), |
| 83 | strings.TrimSpace(strings.ToLower(req.Query)), |
| 84 | strings.TrimSpace(strings.ToLower(req.TimeFilter)), |
| 85 | strings.TrimSpace(strings.ToLower(req.SortMode)), |
| 86 | filter, |
| 87 | strings.TrimSpace(groupID), |
| 88 | membershipRevision, |
| 89 | req.ExcludePinned, |
| 90 | req.pinnedOnly, |
| 91 | }) |
| 92 | digest := sha256.Sum256(payload) |
| 93 | return fmt.Sprintf("%x", digest[:]) |
| 94 | } |
| 95 | |
| 96 | func topicIDFilter(ids []string) (string, map[string]struct{}) { |
| 97 | set := make(map[string]struct{}, len(ids)) |
| 98 | ordered := make([]string, 0, len(ids)) |
| 99 | for _, id := range ids { |
| 100 | id = strings.TrimSpace(id) |
| 101 | if id == "" { |
| 102 | continue |
| 103 | } |
| 104 | if _, exists := set[id]; exists { |
| 105 | continue |
| 106 | } |
| 107 | set[id] = struct{}{} |
| 108 | ordered = append(ordered, id) |
| 109 | } |
| 110 | encoded, _ := json.Marshal(ordered) |
| 111 | return string(encoded), set |
| 112 | } |
| 113 | |
| 114 | func projectTopicRequestAllows(req ProjectTopicPageRequest, topicID string, pinned bool) bool { |
| 115 | if req.pinnedOnly && !pinned { |
| 116 | return false |
| 117 | } |
| 118 | if req.ExcludePinned && pinned { |
| 119 | return false |
| 120 | } |
| 121 | if req.groupInclude != nil { |
| 122 | _, ok := req.groupInclude[topicID] |
| 123 | return ok |
| 124 | } |
| 125 | if req.groupExclude != nil { |
| 126 | _, excluded := req.groupExclude[topicID] |
| 127 | return !excluded |
| 128 | } |
| 129 | return true |
| 130 | } |
| 131 | |
| 132 | func groupHasSessionRules(group desktopGroup) bool { |
| 133 | return len(group.SessionKeys) > 0 || len(group.ExcludedSessionKeys) > 0 |
| 134 | } |
| 135 | |
| 136 | func groupsHaveSessionRules(groups []desktopGroup) bool { |
| 137 | return slices.ContainsFunc(groups, groupHasSessionRules) |
| 138 | } |
| 139 | |
| 140 | func projectNodeSessionKey(node ProjectNode) string { |
| 141 | if node.Session != nil && strings.TrimSpace(node.Session.SessionID) != "" { |
| 142 | hostID := strings.TrimSpace(node.Session.HostID) |
| 143 | if hostID == "" { |
| 144 | hostID = localDesktopHostID |
| 145 | } |
| 146 | return "ref\x00" + hostID + "\x00" + strings.TrimSpace(node.Session.SessionID) |
| 147 | } |
| 148 | if node.Source != nil && node.Source.SourceKey != "" { |
| 149 | host := node.Source.HostID |
| 150 | if host == "" { |
| 151 | host = localDesktopHostID |
| 152 | } |
| 153 | return "source\x00" + host + "\x00" + node.Source.SourceKey |
| 154 | } |
| 155 | if path := strings.TrimSpace(node.SessionPath); path != "" { |
| 156 | return "path\x00" + path |
| 157 | } |
| 158 | return "topic\x00" + firstNonEmpty(strings.TrimSpace(node.TopicID), strings.TrimSpace(node.Key)) |
| 159 | } |
| 160 | |
| 161 | func desktopGroupContainsNode(group desktopGroup, node ProjectNode) bool { |
| 162 | key := projectNodeSessionKey(node) |
| 163 | for _, excluded := range group.ExcludedSessionKeys { |
| 164 | if strings.TrimSpace(excluded) == key { |
| 165 | return false |
| 166 | } |
| 167 | } |
| 168 | for _, explicit := range group.SessionKeys { |
| 169 | if strings.TrimSpace(explicit) == key { |
| 170 | return true |
| 171 | } |
| 172 | } |
| 173 | for _, topicID := range group.TopicIDs { |
| 174 | if strings.TrimSpace(topicID) != "" && strings.TrimSpace(topicID) == strings.TrimSpace(node.TopicID) { |
| 175 | return true |
| 176 | } |
| 177 | } |
| 178 | return false |
| 179 | } |
| 180 | |
| 181 | func projectNodeRequestAllows(req ProjectTopicPageRequest, node ProjectNode) bool { |
| 182 | if req.pinnedOnly && !node.Pinned { |
| 183 | return false |
| 184 | } |
| 185 | if req.ExcludePinned && node.Pinned { |
| 186 | return false |
| 187 | } |
| 188 | switch req.GroupFilter { |
| 189 | case "group": |
| 190 | return req.groupSelected != nil && desktopGroupContainsNode(*req.groupSelected, node) |
| 191 | case "ungrouped": |
| 192 | for _, group := range req.groupAll { |
| 193 | if desktopGroupContainsNode(group, node) { |
| 194 | return false |
| 195 | } |
| 196 | } |
| 197 | return true |
| 198 | default: |
| 199 | return true |
| 200 | } |
| 201 | } |
| 202 |