519 lines
14 KiB
Go
519 lines
14 KiB
Go
package guildstree
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import (
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"log/slog"
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"slices"
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"github.com/ayn2op/arikawa/v3/discord"
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"github.com/ayn2op/arikawa/v3/gateway"
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"github.com/ayn2op/discordo/internal/config"
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"github.com/ayn2op/discordo/internal/ui"
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"github.com/ayn2op/ningen/v3"
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"github.com/ayn2op/ningen/v3/states/read"
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"github.com/ayn2op/tview"
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"github.com/ayn2op/tview/help"
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"github.com/ayn2op/tview/keybind"
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"github.com/ayn2op/tview/tree"
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"github.com/gdamore/tcell/v3"
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)
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type dmNode struct{}
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type Model struct {
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root *tree.Node
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selectionState tree.SelectionState
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cfg *config.Config
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state *ningen.State
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// Fast-path indexes for frequent event handlers (read updates, picker navigation).
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// They mirror the current rendered tree and are rebuilt on READY before nodes are added.
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guildNodeByID map[discord.GuildID]*tree.Node
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channelNodeByID map[discord.ChannelID]*tree.Node
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dmRootNode *tree.Node
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}
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func NewModel(cfg *config.Config, state *ningen.State) *Model {
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return &Model{
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root: tree.NewNode(""),
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cfg: cfg,
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state: state,
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guildNodeByID: make(map[discord.GuildID]*tree.Node),
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channelNodeByID: make(map[discord.ChannelID]*tree.Node),
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}
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}
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// CurrentNode returns the selected node, or nil for none.
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func (m *Model) CurrentNode() *tree.Node {
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return m.selectionState.CurrentNode()
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}
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// Msg moves or scrolls the tree.
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type Msg tree.Action
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// View shows the tree in a box titled Guilds.
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func (m *Model) View(focused bool) tview.Element {
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theme := &m.cfg.Theme
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set := theme.Border.NormalSet.BorderSet
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if focused {
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set = theme.Border.ActiveSet.BorderSet
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}
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kbs := m.cfg.Keybinds.GuildsTree
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t := tree.New(m.root, &m.selectionState).
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TopLevel(1).
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Markers(tree.Markers{
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Expanded: m.cfg.Sidebar.Markers.Expanded,
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Collapsed: m.cfg.Sidebar.Markers.Collapsed,
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Leaf: m.cfg.Sidebar.Markers.Leaf,
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}).
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Graphics(theme.GuildsTree.Graphics).
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GraphicsSet(set).
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GraphicsStyle(tcell.StyleDefault.Foreground(tcell.GetColor(theme.GuildsTree.GraphicsColor))).
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Keybinds(tree.Keybinds{
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Up: kbs.SelectUp.Keybind,
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Down: kbs.SelectDown.Keybind,
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Top: kbs.SelectTop.Keybind,
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Bottom: kbs.SelectBottom.Keybind,
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MoveToParent: kbs.MoveToParentNode.Keybind,
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Select: kbs.SelectCurrent.Keybind,
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}).
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Focused(focused).
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OnAction(func(a tree.Action) tview.Msg { return Msg(a) })
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return ui.Box(t, theme, focused).Title("Guilds")
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}
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func (m *Model) reset() *tree.Node {
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// Keep allocated map capacity; READY can rebuild often during reconnects.
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clear(m.guildNodeByID)
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clear(m.channelNodeByID)
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m.dmRootNode = tree.NewNode("Direct Messages").
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SetReference(dmNode{}).
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SetExpandable(true).
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SetExpanded(false)
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return m.root.ClearChildren().AddChild(m.dmRootNode)
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}
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func (m *Model) rebuild(event *gateway.ReadyEvent) {
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root := m.reset()
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guildsInFolders := make(map[discord.GuildID]bool)
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for _, folder := range event.UserSettings.GuildFolders {
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for _, guildID := range folder.GuildIDs {
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guildsInFolders[guildID] = true
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}
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}
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guildsByID := make(map[discord.GuildID]*gateway.GuildCreateEvent, len(event.Guilds))
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for i := range event.Guilds {
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guildsByID[event.Guilds[i].ID] = &event.Guilds[i]
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}
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positions := event.UserSettings.GuildPositions
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if len(positions) == 0 {
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positions = make([]discord.GuildID, 0, len(event.Guilds))
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for _, guild := range event.Guilds {
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positions = append(positions, guild.ID)
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}
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}
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for _, guildID := range positions {
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if guild := guildsByID[guildID]; guild != nil && !guildsInFolders[guildID] {
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m.createGuildNode(root, guild.Guild)
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}
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}
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for _, folder := range event.UserSettings.GuildFolders {
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if folder.ID == 0 && len(folder.GuildIDs) == 1 {
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if guild := guildsByID[folder.GuildIDs[0]]; guild != nil {
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m.createGuildNode(root, guild.Guild)
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}
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} else {
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m.createFolderNode(folder, guildsByID)
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}
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}
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m.selectionState.SetCurrentNode(root)
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}
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func (m *Model) refreshReadStyles(event *read.UpdateEvent) {
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if event.GuildID.IsValid() {
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if node := m.findNodeByReference(event.GuildID); node != nil {
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m.setNodeLineStyle(node, m.guildNodeStyle(event.GuildID))
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}
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}
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node := m.findNodeByReference(event.ChannelID)
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if node == nil {
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return
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}
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channel, err := m.state.Cabinet.Channel(event.ChannelID)
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if err != nil {
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indication := m.state.ChannelIsUnread(event.ChannelID, ningen.UnreadOpts{IncludeMutedCategories: true})
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m.setNodeLineStyle(node, unreadStyle(indication))
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return
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}
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m.setNodeLineStyle(node, m.channelNodeStyle(*channel))
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}
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func (m *Model) updateDMNodeStyle(userID discord.UserID) {
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channel, err := m.state.Cabinet.CreatePrivateChannel(userID)
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if err != nil {
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return
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}
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node, ok := m.channelNodeByID[channel.ID]
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if node == nil || !ok {
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return
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}
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m.setNodeLineStyle(node, m.channelNodeStyle(*channel))
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}
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func (m *Model) moveDMToFront(channelID discord.ChannelID) {
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if m.dmRootNode == nil {
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return
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}
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node := m.channelNodeByID[channelID]
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children := m.dmRootNode.Children()
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if index := slices.Index(children, node); index > 0 {
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copy(children[1:index+1], children[:index])
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children[0] = node
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}
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}
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func (m *Model) createFolderNode(folder gateway.GuildFolder, guildsByID map[discord.GuildID]*gateway.GuildCreateEvent) {
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name := "Folder"
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if folder.Name != "" {
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name = folder.Name
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}
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folderNode := tree.NewNode(name).SetExpanded(m.cfg.Theme.GuildsTree.AutoExpandFolders)
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if folder.Color != 0 {
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folderStyle := tcell.StyleDefault.Foreground(tcell.NewHexColor(int32(folder.Color)))
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m.setNodeLineStyle(folderNode, folderStyle)
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}
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m.root.AddChild(folderNode)
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for _, guildID := range folder.GuildIDs {
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if guildEvent, ok := guildsByID[guildID]; ok {
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m.createGuildNode(folderNode, guildEvent.Guild)
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}
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}
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}
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func (m *Model) guildNodeStyle(guildID discord.GuildID) tcell.Style {
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indication := m.state.GuildIsUnread(guildID, ningen.GuildUnreadOpts{IncludeMutedCategories: true})
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return unreadStyle(indication)
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}
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func (m *Model) channelNodeStyle(channel discord.Channel) tcell.Style {
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unread := unreadStyle(m.state.ChannelIsUnread(channel.ID, ningen.UnreadOpts{IncludeMutedCategories: true}))
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if channel.Type != discord.DirectMessage || len(channel.DMRecipients) != 1 {
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return unread
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}
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recipient := channel.DMRecipients[0]
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presence, err := m.state.Cabinet.Presence(discord.NullGuildID, recipient.ID)
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if err != nil {
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return tview.MergeStyle(m.dmStatusStyle(discord.OfflineStatus), unread)
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}
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return tview.MergeStyle(m.dmStatusStyle(presence.Status), unread)
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}
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func (m *Model) dmStatusStyle(status discord.Status) tcell.Style {
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switch status {
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case discord.DoNotDisturbStatus:
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return m.cfg.Theme.GuildsTree.DNDStyle.Style
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case discord.IdleStatus:
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return m.cfg.Theme.GuildsTree.IdleStyle.Style
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case discord.OnlineStatus:
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return m.cfg.Theme.GuildsTree.OnlineStyle.Style
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default:
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return m.cfg.Theme.GuildsTree.OfflineStyle.Style
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}
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}
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func (m *Model) createGuildNode(parent *tree.Node, guild discord.Guild) {
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guildNode := tree.NewNode(guild.Name).
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SetReference(guild.ID).
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SetExpandable(true).
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SetExpanded(false).
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SetIndent(m.cfg.Sidebar.Indents.Guild)
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m.setNodeLineStyle(guildNode, m.guildNodeStyle(guild.ID))
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parent.AddChild(guildNode)
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m.guildNodeByID[guild.ID] = guildNode
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}
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func (m *Model) createChannelNode(parent *tree.Node, channel discord.Channel) {
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if channel.Type != discord.DirectMessage && channel.Type != discord.GroupDM && channel.Type != discord.GuildCategory && !m.state.HasPermissions(channel.ID, discord.PermissionViewChannel) {
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return
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}
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indents := m.cfg.Sidebar.Indents
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channelNode := tree.NewNode(ui.ChannelToString(channel, m.cfg.Icons, m.state)).SetReference(channel.ID)
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m.setNodeLineStyle(channelNode, m.channelNodeStyle(channel))
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switch channel.Type {
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case discord.DirectMessage:
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channelNode.SetIndent(indents.DM)
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case discord.GroupDM:
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channelNode.SetIndent(indents.GroupDM)
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case discord.GuildCategory:
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channelNode.SetIndent(indents.Category)
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channelNode.SetExpandable(true).SetExpanded(true)
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case discord.GuildForum:
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channelNode.SetIndent(indents.Forum)
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channelNode.SetExpandable(true).SetExpanded(false)
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default:
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channelNode.SetIndent(indents.Channel)
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}
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parent.AddChild(channelNode)
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m.channelNodeByID[channel.ID] = channelNode
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}
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func (m *Model) setNodeLineStyle(node *tree.Node, style tcell.Style) {
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line := node.Line()
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for i := range line {
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line[i].Style = style
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}
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node.SetLine(line)
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}
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func (m *Model) createChannelNodes(node *tree.Node, channels []discord.Channel) {
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// Preserve exact ordering semantics:
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// 1) top-level non-categories (in input order),
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// 2) categories that have at least one child in the source slice (in input order),
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// 3) parented channels under already-created categories (in input order).
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//
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// We precompute parent presence once to avoid the O(n^2) category-child scan.
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hasChildByParentID := make(map[discord.ChannelID]struct{}, len(channels))
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for _, channel := range channels {
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if channel.ParentID.IsValid() {
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hasChildByParentID[channel.ParentID] = struct{}{}
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}
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}
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for _, channel := range channels {
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if channel.Type != discord.GuildCategory && !channel.ParentID.IsValid() {
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m.createChannelNode(node, channel)
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}
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}
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for _, channel := range channels {
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if channel.Type == discord.GuildCategory {
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if _, ok := hasChildByParentID[channel.ID]; ok {
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m.createChannelNode(node, channel)
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}
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}
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}
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for _, channel := range channels {
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if channel.ParentID.IsValid() {
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// Parent categories are inserted earlier in this function, so this lookup is O(1) and avoids per-channel subtree walks.
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parent := m.channelNodeByID[channel.ParentID]
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if parent != nil {
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m.createChannelNode(parent, channel)
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}
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}
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}
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}
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func isThread(t discord.ChannelType) bool {
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switch t {
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case discord.GuildPublicThread, discord.GuildPrivateThread, discord.GuildAnnouncementThread:
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return true
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default:
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return false
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}
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}
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func (m *Model) collapseParentNode(node *tree.Node) {
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path := m.root.PathTo(node)
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if len(path) < 3 {
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return
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}
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parent := path[len(path)-2]
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parent.Collapse()
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m.selectionState.SetCurrentNode(parent)
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}
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func (m *Model) Update(msg tview.Msg) tview.Cmd {
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switch msg := msg.(type) {
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case *gateway.ReadyEvent:
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m.rebuild(msg)
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return nil
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case *gateway.MessageCreateEvent:
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if !msg.GuildID.IsValid() {
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m.moveDMToFront(msg.ChannelID)
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}
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return nil
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case *gateway.PresenceUpdateEvent:
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m.updateDMNodeStyle(msg.User.ID)
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return nil
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case *read.UpdateEvent:
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m.refreshReadStyles(msg)
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return nil
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case NavigateMsg:
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return m.navigate(msg.ChannelID)
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case Msg:
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m.selectionState.Perform(tree.Action(msg))
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return nil
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case tree.SelectedMsg:
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m.selectionState.SetCurrentNode(msg.Node)
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return m.selectNode(msg.Node)
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case tview.KeyMsg:
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switch {
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case keybind.Matches(msg, m.cfg.Keybinds.GuildsTree.CollapseAll.Keybind):
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for _, node := range m.root.Children() {
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node.CollapseAll()
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}
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return nil
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case keybind.Matches(msg, m.cfg.Keybinds.GuildsTree.CollapseParentNode.Keybind):
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m.collapseParentNode(m.selectionState.CurrentNode())
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return nil
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case keybind.Matches(msg, m.cfg.Keybinds.GuildsTree.YankID.Keybind):
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return yankID(m.selectionState.CurrentNode())
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}
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}
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return nil
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}
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func (m *Model) findNodeByReference(reference any) *tree.Node {
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switch ref := reference.(type) {
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case discord.GuildID:
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return m.guildNodeByID[ref]
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case discord.ChannelID:
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return m.channelNodeByID[ref]
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case dmNode:
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return m.dmRootNode
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default:
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// Fallback keeps this helper safe for non-indexed custom references.
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var found *tree.Node
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m.root.Walk(func(node, _ *tree.Node) bool {
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if node.Reference() == reference {
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found = node
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return false
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}
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return true
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})
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return found
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}
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}
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func (m *Model) findNodeByChannelID(channelID discord.ChannelID) *tree.Node {
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channel, err := m.state.Cabinet.Channel(channelID)
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if err != nil {
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slog.Error("failed to get channel", "channel_id", channelID, "err", err)
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return nil
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}
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var reference any
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if guildID := channel.GuildID; guildID.IsValid() {
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reference = guildID
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} else {
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reference = dmNode{}
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}
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if parent := m.findNodeByReference(reference); parent != nil {
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if len(parent.Children()) == 0 {
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m.selectNode(parent)
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}
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}
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node := m.findNodeByReference(channelID)
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return node
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}
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func (m *Model) expandPathToNode(node *tree.Node) {
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if node == nil {
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return
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}
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for _, n := range m.root.PathTo(node) {
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n.Expand()
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}
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}
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var _ help.KeyMap = (*Model)(nil)
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func (m *Model) selectCurrentKeybind() keybind.Keybind {
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selectCurrent := m.cfg.Keybinds.GuildsTree.SelectCurrent.Keybind
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selectHelp := selectCurrent.Help()
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selectDesc := selectHelp.Desc
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if node := m.selectionState.CurrentNode(); node != nil {
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if len(node.Children()) > 0 {
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if node.Expanded() {
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selectDesc = "collapse"
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} else {
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selectDesc = "expand"
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}
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} else {
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switch node.Reference().(type) {
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case discord.GuildID, dmNode:
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selectDesc = "expand"
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}
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}
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}
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return selectCurrent.WithHelp(selectHelp.Key, selectDesc)
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}
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func (m *Model) ShortHelp() []keybind.Keybind {
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cfg := m.cfg.Keybinds.GuildsTree
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shortHelp := []keybind.Keybind{cfg.SelectUp.Keybind, cfg.SelectDown.Keybind, m.selectCurrentKeybind()}
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if m.canCollapseParent(m.selectionState.CurrentNode()) {
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shortHelp = append(shortHelp, cfg.CollapseParentNode.Keybind)
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}
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return shortHelp
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}
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func (m *Model) FullHelp() [][]keybind.Keybind {
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cfg := m.cfg.Keybinds.GuildsTree
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selectGroup := []keybind.Keybind{m.selectCurrentKeybind(), cfg.MoveToParentNode.Keybind}
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selectGroup = append(selectGroup, m.collapseKeybinds()...)
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return [][]keybind.Keybind{
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{cfg.SelectUp.Keybind, cfg.SelectDown.Keybind, cfg.SelectTop.Keybind, cfg.SelectBottom.Keybind},
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selectGroup,
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{cfg.YankID.Keybind},
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}
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}
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func (m *Model) collapseKeybinds() []keybind.Keybind {
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cfg := m.cfg.Keybinds.GuildsTree
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var keybinds []keybind.Keybind
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if m.canCollapseParent(m.selectionState.CurrentNode()) {
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keybinds = append(keybinds, cfg.CollapseParentNode.Keybind)
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}
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if m.canCollapseAll() {
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keybinds = append(keybinds, cfg.CollapseAll.Keybind)
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}
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return keybinds
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}
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func (m *Model) canCollapseParent(node *tree.Node) bool {
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return node != nil && len(m.root.PathTo(node)) >= 3
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}
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func (m *Model) canCollapseAll() bool {
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var can bool
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for _, node := range m.root.Children() {
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if node.Expanded() {
|
|
can = true
|
|
break
|
|
}
|
|
}
|
|
return can
|
|
}
|
|
|
|
func unreadStyle(indication ningen.UnreadIndication) tcell.Style {
|
|
var style tcell.Style
|
|
switch indication {
|
|
case ningen.ChannelRead:
|
|
style = style.Dim(true)
|
|
case ningen.ChannelMentioned:
|
|
style = style.Underline(true)
|
|
fallthrough
|
|
case ningen.ChannelUnread:
|
|
style = style.Bold(true)
|
|
}
|
|
return style
|
|
}
|