discordo/cmd/messages_text.go

395 lines
9.7 KiB
Go

package cmd
import (
"errors"
"fmt"
"io"
"log/slog"
"slices"
"strconv"
"time"
"github.com/atotto/clipboard"
"github.com/ayn2op/discordo/internal/markdown"
"github.com/diamondburned/arikawa/v3/discord"
"github.com/diamondburned/ningen/v3/discordmd"
"github.com/gdamore/tcell/v2"
"github.com/rivo/tview"
"github.com/skratchdot/open-golang/open"
"github.com/yuin/goldmark/renderer"
)
type MessagesText struct {
*tview.TextView
selectedMessageID discord.MessageID
}
func newMessagesText() *MessagesText {
mt := &MessagesText{
TextView: tview.NewTextView(),
}
mt.SetDynamicColors(true)
mt.SetRegions(true)
mt.SetWordWrap(true)
mt.SetInputCapture(mt.onInputCapture)
mt.ScrollToEnd()
mt.SetChangedFunc(func() {
app.Draw()
})
mt.SetTextColor(tcell.GetColor(cfg.Theme.MessagesText.ContentColor))
mt.SetBackgroundColor(tcell.GetColor(cfg.Theme.BackgroundColor))
mt.SetTitle("Messages")
mt.SetTitleColor(tcell.GetColor(cfg.Theme.TitleColor))
mt.SetTitleAlign(tview.AlignLeft)
p := cfg.Theme.BorderPadding
mt.SetBorder(cfg.Theme.Border)
mt.SetBorderColor(tcell.GetColor(cfg.Theme.BorderColor))
mt.SetBorderPadding(p[0], p[1], p[2], p[3])
markdown.DefaultRenderer.AddOptions(
renderer.WithOption("emojiColor", cfg.Theme.MessagesText.EmojiColor),
renderer.WithOption("linkColor", cfg.Theme.MessagesText.LinkColor),
)
mt.SetHighlightedFunc(mt.onHighlighted)
return mt
}
func (mt *MessagesText) drawMsgs(cID discord.ChannelID) {
ms, err := discordState.Messages(cID, uint(cfg.MessagesLimit))
if err != nil {
slog.Error("failed to get messages", "err", err, "channel_id", cID)
return
}
for _, m := range slices.Backward(ms) {
mainFlex.messagesText.createMessage(m)
}
}
func (mt *MessagesText) reset() {
mainFlex.messagesText.selectedMessageID = 0
mt.SetTitle("")
mt.Clear()
mt.Highlight()
}
// Region tags are square brackets that contain a region ID in double quotes
// https://pkg.go.dev/github.com/rivo/tview#hdr-Regions_and_Highlights
func (mt *MessagesText) startRegion(msgID discord.MessageID) {
fmt.Fprintf(mt, `["%s"]`, msgID)
}
// Tags with no region ID ([""]) don't start new regions. They can therefore be used to mark the end of a region.
func (mt *MessagesText) endRegion() {
fmt.Fprint(mt, `[""]`)
}
func (mt *MessagesText) createMessage(m discord.Message) {
mt.startRegion(m.ID)
defer mt.endRegion()
if cfg.HideBlockedUsers {
isBlocked := discordState.UserIsBlocked(m.Author.ID)
if isBlocked {
fmt.Fprintln(mt, "[:red:b]Blocked message[:-:-]")
return
}
}
switch m.Type {
case discord.ChannelPinnedMessage:
fmt.Fprint(mt, "["+cfg.Theme.MessagesText.ContentColor+"]"+m.Author.Username+" pinned a message"+"[-:-:-]")
case discord.DefaultMessage, discord.InlinedReplyMessage:
if m.ReferencedMessage != nil {
mt.createHeader(mt, *m.ReferencedMessage, true)
mt.createBody(mt, *m.ReferencedMessage, true)
fmt.Fprint(mt, "[::-]\n")
}
mt.createHeader(mt, m, false)
mt.createBody(mt, m, false)
mt.createFooter(mt, m)
default:
mt.createHeader(mt, m, false)
}
fmt.Fprintln(mt)
}
func (mt *MessagesText) createHeader(w io.Writer, m discord.Message, isReply bool) {
if cfg.Timestamps {
time := m.Timestamp.Time().In(time.Local).Format(cfg.TimestampsFormat)
fmt.Fprintf(w, "[::d]%s[::-] ", time)
}
if isReply {
fmt.Fprintf(mt, "[::d]%s", cfg.Theme.MessagesText.ReplyIndicator)
}
fmt.Fprintf(w, "[%s]%s[-:-:-] ", cfg.Theme.MessagesText.AuthorColor, m.Author.Username)
}
func (mt *MessagesText) createBody(w io.Writer, m discord.Message, isReply bool) {
if isReply {
fmt.Fprint(w, "[::d]")
}
src := []byte(m.Content)
ast := discordmd.ParseWithMessage(src, *discordState.Cabinet, &m, false)
markdown.DefaultRenderer.Render(w, src, ast)
if isReply {
fmt.Fprint(w, "[::-]")
}
}
func (mt *MessagesText) createFooter(w io.Writer, m discord.Message) {
for _, a := range m.Attachments {
fmt.Fprintln(w)
if cfg.ShowAttachmentLinks {
fmt.Fprintf(w, "[%s][%s]:\n%s[-]", cfg.Theme.MessagesText.AttachmentColor, a.Filename, a.URL)
} else {
fmt.Fprintf(w, "[%s][%s][-]", cfg.Theme.MessagesText.AttachmentColor, a.Filename)
}
}
}
func (mt *MessagesText) getSelectedMessage() (*discord.Message, error) {
if !mt.selectedMessageID.IsValid() {
return nil, errors.New("no message is currently selected")
}
msg, err := discordState.Cabinet.Message(mainFlex.guildsTree.selectedChannelID, mt.selectedMessageID)
if err != nil {
return nil, fmt.Errorf("could not retrieve selected message: %w", err)
}
return msg, nil
}
func (mt *MessagesText) getSelectedMessageIndex() (int, error) {
ms, err := discordState.Cabinet.Messages(mainFlex.guildsTree.selectedChannelID)
if err != nil {
return -1, err
}
for idx, m := range ms {
for m.ID == mt.selectedMessageID {
return idx, nil
}
}
return -1, nil
}
func (mt *MessagesText) onInputCapture(event *tcell.EventKey) *tcell.EventKey {
switch event.Name() {
case cfg.Keys.SelectPrevious, cfg.Keys.SelectNext, cfg.Keys.SelectFirst, cfg.Keys.SelectLast, cfg.Keys.MessagesText.SelectReply, cfg.Keys.MessagesText.SelectPin:
mt._select(event.Name())
return nil
case cfg.Keys.MessagesText.Yank:
mt.yank()
return nil
case cfg.Keys.MessagesText.Open:
mt.open()
return nil
case cfg.Keys.MessagesText.Reply:
mt.reply(false)
return nil
case cfg.Keys.MessagesText.ReplyMention:
mt.reply(true)
return nil
case cfg.Keys.MessagesText.Delete:
mt.delete()
return nil
}
return nil
}
func (mt *MessagesText) _select(name string) {
ms, err := discordState.Cabinet.Messages(mainFlex.guildsTree.selectedChannelID)
if err != nil {
slog.Error("failed to get messages", "err", err, "channel_id", mainFlex.guildsTree.selectedChannelID)
return
}
messageIdx, err := mt.getSelectedMessageIndex()
if err != nil {
slog.Error("failed to get selected message", "err", err)
return
}
switch name {
case cfg.Keys.SelectPrevious:
// If no message is currently selected, select the latest message.
if len(mt.GetHighlights()) == 0 {
mt.selectedMessageID = ms[0].ID
} else {
if messageIdx < len(ms)-1 {
mt.selectedMessageID = ms[messageIdx+1].ID
} else {
return
}
}
case cfg.Keys.SelectNext:
// If no message is currently selected, select the latest message.
if len(mt.GetHighlights()) == 0 {
mt.selectedMessageID = ms[0].ID
} else {
if messageIdx > 0 {
mt.selectedMessageID = ms[messageIdx-1].ID
} else {
return
}
}
case cfg.Keys.SelectFirst:
mt.selectedMessageID = ms[len(ms)-1].ID
case cfg.Keys.SelectLast:
mt.selectedMessageID = ms[0].ID
case cfg.Keys.MessagesText.SelectReply:
if mt.selectedMessageID == 0 {
return
}
if ref := ms[messageIdx].ReferencedMessage; ref != nil {
for _, m := range ms {
if ref.ID == m.ID {
mt.selectedMessageID = m.ID
}
}
}
case cfg.Keys.MessagesText.SelectPin:
if ref := ms[messageIdx].Reference; ref != nil {
for _, m := range ms {
if ref.MessageID == m.ID {
mt.selectedMessageID = m.ID
}
}
}
}
mt.Highlight(mt.selectedMessageID.String())
mt.ScrollToHighlight()
}
func (mt *MessagesText) onHighlighted(added, removed, remaining []string) {
if len(added) > 0 {
mID, err := strconv.ParseInt(added[0], 10, 64)
if err != nil {
slog.Error("Failed to parse region id as int to use as message id.", "err", err)
return
}
mt.selectedMessageID = discord.MessageID(mID)
}
}
func (mt *MessagesText) yank() {
msg, err := mt.getSelectedMessage()
if err != nil {
slog.Error("failed to get selected message", "err", err)
return
}
err = clipboard.WriteAll(msg.Content)
if err != nil {
slog.Error("failed to write to clipboard", "err", err)
return
}
}
func (mt *MessagesText) open() {
msg, err := mt.getSelectedMessage()
if err != nil {
slog.Error("failed to get selected message", "err", err)
return
}
attachments := msg.Attachments
if len(attachments) == 0 {
return
}
for _, a := range attachments {
go func() {
if err := open.Start(a.URL); err != nil {
slog.Error("failed to open URL", "err", err, "url", a.URL)
}
}()
}
}
func (mt *MessagesText) reply(mention bool) {
var title string
if mention {
title += "[@] Replying to "
} else {
title += "Replying to "
}
msg, err := mt.getSelectedMessage()
if err != nil {
slog.Error("failed to get selected message", "err", err)
return
}
title += msg.Author.Tag()
mainFlex.messageInput.SetTitle(title)
mainFlex.messageInput.replyMessageID = mt.selectedMessageID
app.SetFocus(mainFlex.messageInput)
}
func (mt *MessagesText) delete() {
msg, err := mt.getSelectedMessage()
if err != nil {
slog.Error("failed to get selected message", "err", err)
return
}
clientID := discordState.Ready().User.ID
if msg.GuildID.IsValid() {
ps, err := discordState.Permissions(mainFlex.guildsTree.selectedChannelID, discordState.Ready().User.ID)
if err != nil {
return
}
if msg.Author.ID != clientID && !ps.Has(discord.PermissionManageMessages) {
return
}
} else {
if msg.Author.ID != clientID {
return
}
}
if err := discordState.DeleteMessage(mainFlex.guildsTree.selectedChannelID, msg.ID, ""); err != nil {
slog.Error("failed to delete message", "err", err, "channel_id", mainFlex.guildsTree.selectedChannelID, "message_id", msg.ID)
return
}
if err := discordState.MessageRemove(mainFlex.guildsTree.selectedChannelID, msg.ID); err != nil {
slog.Error("failed to delete message", "err", err, "channel_id", mainFlex.guildsTree.selectedChannelID, "message_id", msg.ID)
return
}
ms, err := discordState.Cabinet.Messages(mainFlex.guildsTree.selectedChannelID)
if err != nil {
slog.Error("failed to delete message", "err", err, "channel_id", mainFlex.guildsTree.selectedChannelID)
return
}
mt.Clear()
for _, m := range slices.Backward(ms) {
mainFlex.messagesText.createMessage(m)
}
}