532 lines
13 KiB
Go
532 lines
13 KiB
Go
package cmd
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import (
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"bytes"
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"fmt"
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"io"
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"log/slog"
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"os"
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"os/exec"
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"path/filepath"
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"regexp"
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"slices"
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"strings"
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"time"
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"unicode"
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"github.com/ayn2op/discordo/internal/cache"
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"github.com/ayn2op/discordo/internal/config"
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"github.com/ayn2op/discordo/internal/consts"
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"github.com/ayn2op/discordo/internal/ui"
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"github.com/ayn2op/tview"
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"github.com/diamondburned/arikawa/v3/api"
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"github.com/diamondburned/arikawa/v3/discord"
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"github.com/diamondburned/arikawa/v3/state"
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"github.com/diamondburned/arikawa/v3/utils/json/option"
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"github.com/diamondburned/arikawa/v3/utils/sendpart"
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"github.com/diamondburned/ningen/v3/discordmd"
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"github.com/gdamore/tcell/v2"
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"github.com/ncruces/zenity"
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"github.com/sahilm/fuzzy"
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"github.com/yuin/goldmark/ast"
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"golang.design/x/clipboard"
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)
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const tmpFilePattern = consts.Name + "_*.md"
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var mentionRegex = regexp.MustCompile("@[a-zA-Z0-9._]+")
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type messageInput struct {
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*tview.TextArea
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cfg *config.Config
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edit bool
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sendMessageData *api.SendMessageData
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cache *cache.Cache
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mentionsList *tview.List
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lastSearch time.Time
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}
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type memberList []discord.Member
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func newMessageInput(cfg *config.Config) *messageInput {
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mi := &messageInput{
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TextArea: tview.NewTextArea(),
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cfg: cfg,
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sendMessageData: &api.SendMessageData{},
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cache: cache.NewCache(),
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mentionsList: tview.NewList(),
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}
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mi.
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SetClipboard(func(s string) {
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clipboard.Write(clipboard.FmtText, []byte(s))
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}, func() string {
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data := clipboard.Read(clipboard.FmtText)
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return string(data)
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})
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mi.Box = ui.ConfigureBox(mi.Box, &cfg.Theme)
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mi.SetInputCapture(mi.onInputCapture)
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mi.
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SetPlaceholder("Select a channel to start chatting").
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SetPlaceholderStyle(tcell.StyleDefault.Dim(true)).
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SetDisabled(true)
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mi.mentionsList.Box = ui.ConfigureBox(mi.mentionsList.Box, &mi.cfg.Theme)
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mi.mentionsList.
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ShowSecondaryText(false).
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SetSelectedStyle(tcell.StyleDefault.Background(tcell.ColorWhite).Foreground(tcell.ColorBlack)).
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SetTitle("Mentions")
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b := mi.mentionsList.GetBorderSet()
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b.BottomLeft, b.BottomRight = b.BottomT, b.BottomT
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mi.mentionsList.SetBorderSet(b)
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return mi
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}
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func (mi *messageInput) reset() {
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mi.edit = false
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mi.sendMessageData = &api.SendMessageData{}
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mi.SetTitle("")
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mi.SetText("", true)
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}
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func (mi *messageInput) onInputCapture(event *tcell.EventKey) *tcell.EventKey {
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switch event.Name() {
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case mi.cfg.Keys.MessageInput.Paste:
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mi.paste()
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return tcell.NewEventKey(tcell.KeyCtrlV, 0, tcell.ModNone)
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case mi.cfg.Keys.MessageInput.Send:
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if app.chatView.GetVisibile(mentionsListPageName) {
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mi.tabComplete(false)
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return nil
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}
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mi.send()
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return nil
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case mi.cfg.Keys.MessageInput.OpenEditor:
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mi.stopTabCompletion()
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mi.editor()
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return nil
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case mi.cfg.Keys.MessageInput.OpenFilePicker:
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mi.stopTabCompletion()
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mi.openFilePicker()
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return nil
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case mi.cfg.Keys.MessageInput.Cancel:
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if app.chatView.GetVisibile(mentionsListPageName) {
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mi.stopTabCompletion()
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} else {
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mi.reset()
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}
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return nil
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case mi.cfg.Keys.MessageInput.TabComplete:
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go app.QueueUpdateDraw(func() { mi.tabComplete(false) })
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return nil
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}
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if mi.cfg.AutocompleteLimit > 0 {
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if app.chatView.GetVisibile(mentionsListPageName) {
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switch event.Name() {
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case mi.cfg.Keys.MentionsList.Up:
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mi.mentionsList.InputHandler()(tcell.NewEventKey(tcell.KeyUp, 0, tcell.ModNone), nil)
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return nil
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case mi.cfg.Keys.MentionsList.Down:
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mi.mentionsList.InputHandler()(tcell.NewEventKey(tcell.KeyDown, 0, tcell.ModNone), nil)
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return nil
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}
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}
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go app.QueueUpdateDraw(func() { mi.tabComplete(true) })
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}
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return event
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}
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func (mi *messageInput) paste() {
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if data := clipboard.Read(clipboard.FmtImage); data != nil {
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name := "clipboard.png"
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mi.attach(name, bytes.NewReader(data))
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}
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}
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func (mi *messageInput) send() {
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if !app.chatView.selectedChannelID.IsValid() {
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return
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}
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text := strings.TrimSpace(mi.GetText())
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if text == "" {
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return
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}
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text = processText(app.chatView.selectedChannelID, []byte(text))
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if text == "" {
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return
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}
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if mi.edit {
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m, err := app.chatView.messagesList.selectedMessage()
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if err != nil {
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slog.Error("failed to get selected message", "err", err)
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return
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}
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data := api.EditMessageData{Content: option.NewNullableString(text)}
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if _, err := discordState.EditMessageComplex(m.ChannelID, m.ID, data); err != nil {
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slog.Error("failed to edit message", "err", err)
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}
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mi.edit = false
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} else {
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data := mi.sendMessageData
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data.Content = text
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if _, err := discordState.SendMessageComplex(app.chatView.selectedChannelID, *data); err != nil {
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slog.Error("failed to send message in channel", "channel_id", app.chatView.selectedChannelID, "err", err)
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}
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}
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// Close the attached files after sending the message.
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for _, file := range mi.sendMessageData.Files {
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if closer, ok := file.Reader.(io.Closer); ok {
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closer.Close()
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}
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}
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mi.reset()
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app.chatView.messagesList.Highlight()
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app.chatView.messagesList.ScrollToEnd()
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}
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func processText(cID discord.ChannelID, src []byte) string {
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var (
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ranges [][2]int
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canMention = true
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)
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ast.Walk(discordmd.Parse(src), func(node ast.Node, enter bool) (ast.WalkStatus, error) {
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switch node := node.(type) {
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case *ast.CodeBlock, *ast.FencedCodeBlock:
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canMention = !enter
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case *discordmd.Inline:
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if (node.Attr & discordmd.AttrMonospace) != 0 {
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canMention = !enter
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}
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case *ast.Text:
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if canMention {
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ranges = append(ranges, [2]int{node.Segment.Start,
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node.Segment.Stop})
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}
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}
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return ast.WalkContinue, nil
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})
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for _, rng := range ranges {
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src = slices.Replace(src, rng[0], rng[1], expandMentions(cID, src[rng[0]:rng[1]])...)
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}
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return string(src)
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}
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func expandMentions(cID discord.ChannelID, src []byte) []byte {
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return mentionRegex.ReplaceAllFunc(src, func(input []byte) []byte {
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output := input
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name := string(input[1:])
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discordState.MemberStore.Each(app.chatView.selectedGuildID, func(m *discord.Member) bool {
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if strings.EqualFold(m.User.Username, name) && channelHasUser(cID, m.User.ID) {
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output = []byte(m.User.ID.Mention())
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return true
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}
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return false
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})
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return output
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})
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}
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func (mi *messageInput) tabComplete(isAuto bool) {
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posEnd, name, r := mi.GetWordUnderCursor(func(r rune) bool {
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return unicode.IsLetter(r) || unicode.IsDigit(r) || r == '_' || r == '.'
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})
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if r != '@' {
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mi.stopTabCompletion()
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return
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}
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pos := posEnd - (len(name) + 1)
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gID := app.chatView.selectedGuildID
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cID := app.chatView.selectedChannelID
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if !isAuto {
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if mi.cfg.AutocompleteLimit == 0 {
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mi.searchMember(gID, name)
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members, err := discordState.Cabinet.Members(gID)
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if err != nil {
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slog.Error("failed to get members from state", "guild_id", gID, "err", err)
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return
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}
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res := fuzzy.FindFrom(name, memberList(members))
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for _, r := range res {
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if channelHasUser(cID, members[r.Index].User.ID) {
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mi.Replace(pos, posEnd, "@"+members[r.Index].User.Username+" ")
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return
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}
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}
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return
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}
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if mi.mentionsList.GetItemCount() == 0 {
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return
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}
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_, name = mi.mentionsList.GetItemText(mi.mentionsList.GetCurrentItem())
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mi.Replace(pos, posEnd, "@"+name+" ")
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mi.stopTabCompletion()
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return
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}
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// Special case, show recent messages' authors
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if name == "" {
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msgs, err := discordState.Cabinet.Messages(cID)
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if err != nil {
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return
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}
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shown := make(map[string]bool)
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mi.mentionsList.Clear()
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for _, m := range msgs {
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if shown[m.Author.Username] {
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continue
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}
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shown[m.Author.Username] = true
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discordState.MemberState.RequestMember(gID, m.Author.ID)
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if mem, err := discordState.Cabinet.Member(gID, m.Author.ID); err == nil {
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if mi.addMentionItem(gID, mem) {
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break
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}
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}
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}
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} else {
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mi.searchMember(gID, name)
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mi.mentionsList.Clear()
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mems, err := discordState.Cabinet.Members(gID)
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if err != nil {
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slog.Error("fetching members failed", "err", err)
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return
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}
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res := fuzzy.FindFrom(name, memberList(mems))
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if len(res) > int(mi.cfg.AutocompleteLimit) {
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res = res[:int(mi.cfg.AutocompleteLimit)]
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}
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for _, r := range res {
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if channelHasUser(cID, mems[r.Index].User.ID) &&
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mi.addMentionItem(gID, &mems[r.Index]) {
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break
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}
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}
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}
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if mi.mentionsList.GetItemCount() == 0 {
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mi.stopTabCompletion()
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return
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}
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_, col, _, _ := mi.GetCursor()
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mi.showMentionList(col - 1)
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}
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func (m memberList) String(i int) string { return m[i].Nick + m[i].User.DisplayName + m[i].User.Tag() }
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func (m memberList) Len() int { return len(m) }
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func channelHasUser(cID discord.ChannelID, id discord.UserID) bool {
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perms, err := discordState.Permissions(cID, id)
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if err != nil {
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slog.Error("can't get permissions", "channel", cID, "user", id)
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return false
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}
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return perms.Has(discord.PermissionViewChannel)
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}
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func (mi *messageInput) searchMember(gID discord.GuildID, name string) {
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key := gID.String() + " " + name
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if mi.cache.Exists(key) {
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return
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}
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// If searching for "ab" returns less than SearchLimit,
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// then "abc" would not return anything new because we already searched
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// everything starting with "ab". This will still be true even if a new
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// member joins because arikawa loads new members into the state.
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if k := key[:len(key)-1]; mi.cache.Exists(k) {
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if c := mi.cache.Get(k); c < discordState.MemberState.SearchLimit {
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mi.cache.Create(key, c)
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return
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}
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}
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// Rate limit on our side because we can't distinguish between a successful search and SearchMember not doing anything because of its internal rate limit that we can't detect
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if mi.lastSearch.Add(discordState.MemberState.SearchFrequency).After(time.Now()) {
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return
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}
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mi.lastSearch = time.Now()
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app.chatView.messagesList.waitForChunkEvent()
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app.chatView.messagesList.setFetchingChunk(true, 0)
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discordState.MemberState.SearchMember(gID, name)
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mi.cache.Create(key, app.chatView.messagesList.waitForChunkEvent())
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}
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func (mi *messageInput) showMentionList(col int) {
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borders := 0
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if mi.cfg.Theme.Border.Enabled {
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borders = 1
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}
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l := mi.mentionsList
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x, _, _, _ := mi.GetInnerRect()
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_, y, _, _ := mi.GetRect()
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_, _, maxW, maxH := app.chatView.messagesList.GetInnerRect()
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if t := int(mi.cfg.Theme.MentionsList.MaxHeight); t != 0 {
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maxH = min(maxH, t)
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}
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count := l.GetItemCount() + borders
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h := min(count, maxH) + borders + mi.cfg.Theme.Border.Padding[1]
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y -= h
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w := int(mi.cfg.Theme.MentionsList.MinWidth)
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if w == 0 {
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w = maxW
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} else {
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for i := range count - 1 {
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t, _ := mi.mentionsList.GetItemText(i)
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w = max(w, tview.TaggedStringWidth(t))
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}
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w = min(w+borders*2, maxW)
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x += min(col, maxW-w)
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}
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l.SetRect(x, y, w, h)
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app.chatView.
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AddAndSwitchToPage(mentionsListPageName, l, false).
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ShowPage(flexPageName)
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app.SetFocus(mi)
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}
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func (mi *messageInput) addMentionItem(gID discord.GuildID, m *discord.Member) bool {
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if m == nil {
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return false
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}
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name := m.User.DisplayOrUsername()
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if m.Nick != "" {
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name = m.Nick
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}
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// this is WAY faster than discordState.MemberColor
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color, ok := state.MemberColor(m, func(id discord.RoleID) *discord.Role {
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r, _ := discordState.Cabinet.Role(gID, id)
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return r
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})
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if ok {
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name = fmt.Sprintf("[%s]%s[-]", color, name)
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}
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presence, err := discordState.Cabinet.Presence(gID, m.User.ID)
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if err != nil {
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slog.Info("failed to get presence from state", "guild_id", gID, "user_id", m.User.ID, "err", err)
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}
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if presence != nil && presence.Status == discord.OfflineStatus {
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name = fmt.Sprintf("[::d]%s[::D]", name)
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}
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mi.mentionsList.AddItem(name, m.User.Username, 0, nil)
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return mi.mentionsList.GetItemCount() > int(mi.cfg.AutocompleteLimit)
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}
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func (mi *messageInput) removeMentionsList() {
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app.chatView.
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RemovePage(mentionsListPageName).
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SwitchToPage(flexPageName)
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}
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func (mi *messageInput) stopTabCompletion() {
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if mi.cfg.AutocompleteLimit > 0 {
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mi.mentionsList.Clear()
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mi.removeMentionsList()
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app.SetFocus(mi)
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}
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}
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func (mi *messageInput) editor() {
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file, err := os.CreateTemp("", tmpFilePattern)
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if err != nil {
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slog.Error("failed to create tmp file", "err", err)
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return
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}
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defer file.Close()
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defer os.Remove(file.Name())
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file.WriteString(mi.GetText())
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cmd := exec.Command(mi.cfg.Editor, file.Name())
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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app.Suspend(func() {
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err := cmd.Run()
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if err != nil {
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slog.Error("failed to run command", "args", cmd.Args, "err", err)
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return
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}
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})
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msg, err := os.ReadFile(file.Name())
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if err != nil {
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slog.Error("failed to read tmp file", "name", file.Name(), "err", err)
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return
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}
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mi.SetText(strings.TrimSpace(string(msg)), true)
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}
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func (mi *messageInput) addTitle(s string) {
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title := mi.GetTitle()
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if title != "" {
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title += " | "
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}
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mi.SetTitle(title + s)
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}
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func (mi *messageInput) openFilePicker() {
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if !app.chatView.selectedChannelID.IsValid() {
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return
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}
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paths, err := zenity.SelectFileMultiple()
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if err != nil {
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slog.Error("failed to open file dialog", "err", err)
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return
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}
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for _, path := range paths {
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file, err := os.Open(path)
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if err != nil {
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slog.Error("failed to open file", "path", path, "err", err)
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continue
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}
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name := filepath.Base(path)
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mi.attach(name, file)
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}
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}
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func (mi *messageInput) attach(name string, reader io.Reader) {
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mi.sendMessageData.Files = append(mi.sendMessageData.Files, sendpart.File{Name: name, Reader: reader})
|
|
mi.addTitle("Attached " + name)
|
|
}
|