460 lines
11 KiB
Go
460 lines
11 KiB
Go
package ui
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import (
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"io"
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"net/http"
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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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"strings"
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"github.com/atotto/clipboard"
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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/utils/json/option"
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"github.com/gdamore/tcell/v2"
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"github.com/rivo/tview"
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"github.com/skratchdot/open-golang/open"
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)
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var linkRegex = regexp.MustCompile("https?://.+")
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type MessagesTextView struct {
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*tview.TextView
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app *App
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}
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func NewMessagesTextView(app *App) *MessagesTextView {
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mtv := &MessagesTextView{
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TextView: tview.NewTextView(),
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app: app,
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}
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mtv.SetDynamicColors(true)
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mtv.SetRegions(true)
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mtv.SetWordWrap(true)
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mtv.SetInputCapture(mtv.onInputCapture)
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mtv.SetChangedFunc(func() {
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mtv.app.Draw()
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})
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mtv.SetTitleAlign(tview.AlignLeft)
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mtv.SetBorder(true)
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mtv.SetBorderPadding(0, 0, 1, 1)
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return mtv
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}
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func (mtv *MessagesTextView) onInputCapture(e *tcell.EventKey) *tcell.EventKey {
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if mtv.app.SelectedChannel == nil {
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return nil
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}
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// Messages should return messages ordered from latest to earliest.
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ms, err := mtv.app.State.Cabinet.Messages(mtv.app.SelectedChannel.ID)
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if err != nil || len(ms) == 0 {
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return nil
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}
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switch e.Name() {
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case mtv.app.Config.Keys.SelectPreviousMessage:
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// If there are no highlighted regions, select the latest (last) message in the messages TextView.
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if len(mtv.app.MessagesTextView.GetHighlights()) == 0 {
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mtv.app.SelectedMessage = 0
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} else {
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// If the selected message is the oldest (first) message, select the latest (last) message in the messages TextView.
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if mtv.app.SelectedMessage == len(ms)-1 {
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mtv.app.SelectedMessage = 0
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} else {
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mtv.app.SelectedMessage++
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}
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}
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mtv.app.MessagesTextView.
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Highlight(ms[mtv.app.SelectedMessage].ID.String()).
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ScrollToHighlight()
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return nil
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case mtv.app.Config.Keys.SelectNextMessage:
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// If there are no highlighted regions, select the latest (last) message in the messages TextView.
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if len(mtv.app.MessagesTextView.GetHighlights()) == 0 {
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mtv.app.SelectedMessage = 0
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} else {
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// If the selected message is the latest (last) message, select the oldest (first) message in the messages TextView.
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if mtv.app.SelectedMessage == 0 {
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mtv.app.SelectedMessage = len(ms) - 1
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} else {
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mtv.app.SelectedMessage--
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}
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}
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mtv.app.MessagesTextView.
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Highlight(ms[mtv.app.SelectedMessage].ID.String()).
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ScrollToHighlight()
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return nil
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case mtv.app.Config.Keys.SelectFirstMessage:
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mtv.app.SelectedMessage = len(ms) - 1
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mtv.app.MessagesTextView.
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Highlight(ms[mtv.app.SelectedMessage].ID.String()).
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ScrollToHighlight()
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return nil
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case mtv.app.Config.Keys.SelectLastMessage:
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mtv.app.SelectedMessage = 0
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mtv.app.MessagesTextView.
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Highlight(ms[mtv.app.SelectedMessage].ID.String()).
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ScrollToHighlight()
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return nil
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case mtv.app.Config.Keys.OpenMessageActionsList:
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hs := mtv.app.MessagesTextView.GetHighlights()
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if len(hs) == 0 {
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return nil
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}
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mID, err := discord.ParseSnowflake(hs[0])
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if err != nil {
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return nil
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}
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_, m := findMessageByID(ms, discord.MessageID(mID))
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if m == nil {
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return nil
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}
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actionsList := NewMessageActionsList(mtv.app, m)
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mtv.app.SetRoot(actionsList, true)
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return nil
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case "Esc":
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mtv.app.SelectedMessage = -1
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mtv.app.SetFocus(mtv.app.MainFlex)
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mtv.app.MessagesTextView.
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Clear().
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Highlight().
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SetTitle("")
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return nil
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}
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return e
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}
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type MessageActionsList struct {
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*tview.List
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app *App
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message *discord.Message
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}
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func NewMessageActionsList(app *App, m *discord.Message) *MessageActionsList {
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mal := &MessageActionsList{
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List: tview.NewList(),
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app: app,
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message: m,
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}
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mal.ShowSecondaryText(false)
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mal.SetDoneFunc(func() {
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app.
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SetRoot(app.MainFlex, true).
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SetFocus(app.MessagesTextView)
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})
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// If the client user has the `SEND_MESSAGES` permission, add "Reply" and "Mention Reply" actions.
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if hasPermission(app.State, app.SelectedChannel.ID, discord.PermissionSendMessages) {
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mal.AddItem("Reply", "", 'r', mal.replyAction)
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mal.AddItem("Mention Reply", "", 'R', mal.mentionReplyAction)
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}
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// If the referenced message exists, add a new action to select the reply.
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if m.ReferencedMessage != nil {
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mal.AddItem("Select Reply", "", 'm', mal.selectReplyAction)
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}
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// If the content of the message contains link(s), add the appropriate actions to the list.
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links := linkRegex.FindAllString(m.Content, -1)
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if len(links) != 0 {
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mal.AddItem("Open Link", "", 'l', func() {
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for _, l := range links {
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go open.Run(l)
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}
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})
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}
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// If the message contains attachments, add the appropriate actions to the actions list.
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if len(m.Attachments) != 0 {
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mal.AddItem("Open Attachment", "", 'o', mal.openAttachmentAction)
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mal.AddItem("Download Attachment", "", 'd', mal.downloadAttachmentAction)
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}
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// If the client user has the `MANAGE_MESSAGES` permission, add a new action to delete the message.
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if hasPermission(app.State, app.SelectedChannel.ID, discord.PermissionManageMessages) {
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mal.AddItem("Delete", "", 'd', mal.deleteAction)
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}
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mal.AddItem("Copy Content", "", 'c', mal.copyContentAction)
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mal.AddItem("Copy ID", "", 'i', mal.copyIDAction)
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mal.SetTitle("Press the Escape key to close")
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mal.SetTitleAlign(tview.AlignLeft)
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mal.SetBorder(true)
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mal.SetBorderPadding(0, 0, 1, 1)
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return mal
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}
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func (mal *MessageActionsList) replyAction() {
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mal.app.MessageInputField.SetTitle("Replying to " + mal.message.Author.Tag())
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mal.app.
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SetRoot(mal.app.MainFlex, true).
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SetFocus(mal.app.MessageInputField)
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}
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func (mal *MessageActionsList) mentionReplyAction() {
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mal.app.MessageInputField.SetTitle("[@] Replying to " + mal.message.Author.Tag())
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mal.app.
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SetRoot(mal.app.MainFlex, true).
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SetFocus(mal.app.MessageInputField)
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}
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func (mal *MessageActionsList) selectReplyAction() {
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ms, err := mal.app.State.Cabinet.Messages(mal.message.ChannelID)
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if err != nil {
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return
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}
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mal.app.SelectedMessage, _ = findMessageByID(ms, mal.message.ReferencedMessage.ID)
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mal.app.MessagesTextView.
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Highlight(mal.message.ReferencedMessage.ID.String()).
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ScrollToHighlight()
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mal.app.
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SetRoot(mal.app.MainFlex, true).
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SetFocus(mal.app.MessagesTextView)
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}
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func (mal *MessageActionsList) openAttachmentAction() {
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for _, a := range mal.message.Attachments {
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cacheDirPath, _ := os.UserCacheDir()
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f, err := os.Create(filepath.Join(cacheDirPath, a.Filename))
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if err != nil {
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return
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}
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defer f.Close()
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resp, err := http.Get(a.URL)
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if err != nil {
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return
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}
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d, err := io.ReadAll(resp.Body)
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if err != nil {
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return
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}
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f.Write(d)
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go open.Run(f.Name())
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}
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mal.app.
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SetRoot(mal.app.MainFlex, true).
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SetFocus(mal.app.MessagesTextView)
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}
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func (mal *MessageActionsList) downloadAttachmentAction() {
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for _, a := range mal.message.Attachments {
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f, err := os.Create(filepath.Join(mal.app.Config.AttachmentDownloadsDir, a.Filename))
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if err != nil {
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return
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}
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defer f.Close()
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resp, err := http.Get(a.URL)
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if err != nil {
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return
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}
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d, err := io.ReadAll(resp.Body)
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if err != nil {
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return
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}
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f.Write(d)
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}
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mal.app.
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SetRoot(mal.app.MainFlex, true).
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SetFocus(mal.app.MessagesTextView)
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}
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func (mal *MessageActionsList) deleteAction() {
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mal.app.MessagesTextView.Clear()
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err := mal.app.State.MessageRemove(mal.message.ChannelID, mal.message.ID)
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if err != nil {
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return
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}
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err = mal.app.State.DeleteMessage(mal.message.ChannelID, mal.message.ID, "Unknown")
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if err != nil {
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return
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}
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// The returned slice will be sorted from latest to oldest.
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ms, err := mal.app.State.Cabinet.Messages(mal.message.ChannelID)
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if err != nil {
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return
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}
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for i := len(ms) - 1; i >= 0; i-- {
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_, err = mal.app.MessagesTextView.Write(buildMessage(mal.app, ms[i]))
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if err != nil {
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return
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}
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}
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mal.app.
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SetRoot(mal.app.MainFlex, true).
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SetFocus(mal.app.MessagesTextView)
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}
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func (mal *MessageActionsList) copyContentAction() {
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err := clipboard.WriteAll(mal.message.Content)
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if err != nil {
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return
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}
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mal.app.SetRoot(mal.app.MainFlex, true)
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mal.app.SetFocus(mal.app.MessagesTextView)
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}
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func (mal *MessageActionsList) copyIDAction() {
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err := clipboard.WriteAll(mal.message.ID.String())
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if err != nil {
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return
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}
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mal.app.SetRoot(mal.app.MainFlex, true)
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mal.app.SetFocus(mal.app.MessagesTextView)
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}
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type MessageInput struct {
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*tview.InputField
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app *App
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}
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func NewMessageInput(app *App) *MessageInput {
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mi := &MessageInput{
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InputField: tview.NewInputField(),
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app: app,
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}
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mi.SetFieldBackgroundColor(tview.Styles.PrimitiveBackgroundColor)
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mi.SetPlaceholder("Message...")
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mi.SetPlaceholderStyle(tcell.StyleDefault.Background(tview.Styles.PrimitiveBackgroundColor))
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mi.SetTitleAlign(tview.AlignLeft)
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mi.SetBorder(true)
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mi.SetBorderPadding(0, 0, 1, 1)
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mi.SetInputCapture(mi.onInputCapture)
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return mi
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}
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func (mi *MessageInput) onInputCapture(e *tcell.EventKey) *tcell.EventKey {
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switch e.Name() {
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case "Enter":
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if mi.app.SelectedChannel == nil {
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return nil
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}
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t := strings.TrimSpace(mi.app.MessageInputField.GetText())
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if t == "" {
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return nil
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}
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ms, err := mi.app.State.Messages(mi.app.SelectedChannel.ID, mi.app.Config.MessagesLimit)
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if err != nil {
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return nil
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}
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if len(mi.app.MessagesTextView.GetHighlights()) != 0 {
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mID, err := discord.ParseSnowflake(mi.app.MessagesTextView.GetHighlights()[0])
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if err != nil {
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return nil
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}
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_, m := findMessageByID(ms, discord.MessageID(mID))
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d := api.SendMessageData{
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Content: t,
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Reference: m.Reference,
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AllowedMentions: &api.AllowedMentions{RepliedUser: option.False},
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}
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// If the title of the message InputField widget has "[@]" as a prefix, send the message as a reply and mention the replied user.
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if strings.HasPrefix(mi.app.MessageInputField.GetTitle(), "[@]") {
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d.AllowedMentions.RepliedUser = option.True
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}
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go mi.app.State.SendMessageComplex(m.ChannelID, d)
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mi.app.SelectedMessage = -1
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mi.app.MessagesTextView.Highlight()
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mi.app.MessageInputField.SetTitle("")
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} else {
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go mi.app.State.SendMessage(mi.app.SelectedChannel.ID, t)
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}
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mi.app.MessageInputField.SetText("")
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return nil
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case "Ctrl+V":
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text, _ := clipboard.ReadAll()
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text = mi.app.MessageInputField.GetText() + text
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mi.app.MessageInputField.SetText(text)
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return nil
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case "Esc":
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mi.app.MessageInputField.
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SetText("").
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SetTitle("")
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mi.app.SetFocus(mi.app.MainFlex)
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mi.app.SelectedMessage = -1
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mi.app.MessagesTextView.Highlight()
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return nil
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case mi.app.Config.Keys.OpenExternalEditor:
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e := os.Getenv("EDITOR")
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if e == "" {
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return nil
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}
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f, err := os.CreateTemp(os.TempDir(), "discordo-*.md")
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if err != nil {
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return nil
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}
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defer os.Remove(f.Name())
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cmd := exec.Command(e, f.Name())
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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mi.app.Suspend(func() {
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err = cmd.Run()
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if err != nil {
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return
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}
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})
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b, err := io.ReadAll(f)
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if err != nil {
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return nil
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}
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mi.app.MessageInputField.SetText(string(b))
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return nil
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}
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return e
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}
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