129 lines
2.6 KiB
Go
129 lines
2.6 KiB
Go
package input
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import (
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"encoding/base64"
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"encoding/binary"
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"fmt"
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"sync/atomic"
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"time"
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"github.com/diamondburned/cchat"
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"github.com/diamondburned/cchat-gtk/internal/gts"
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"github.com/diamondburned/cchat-gtk/internal/log"
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"github.com/diamondburned/cchat/text"
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"github.com/pkg/errors"
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"github.com/twmb/murmur3"
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)
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var globalID uint64
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// generateNonce creates a nonce that should prevent collision. This function
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// will always return a 24-byte long string.
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func (f *Field) generateNonce() string {
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raw := fmt.Sprintf(
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"cchat-gtk/%s/%X/%X",
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f.UserID, time.Now().UnixNano(), atomic.AddUint64(&globalID, 1),
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)
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h1, h2 := murmur3.StringSum128(raw)
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nonce := make([]byte, 8*2)
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binary.LittleEndian.PutUint64(nonce[0:8], h1)
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binary.LittleEndian.PutUint64(nonce[8:16], h2)
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return base64.RawURLEncoding.EncodeToString(nonce)
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}
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func (f *Field) sendInput() {
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if f.Sender == nil {
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return
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}
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var text = f.yankText()
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if text == "" {
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return
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}
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// Are we editing anything?
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if id := f.editingID; f.Editable() && id != "" {
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go func() {
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if err := f.editor.EditMessage(id, text); err != nil {
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log.Error(errors.Wrap(err, "Failed to edit message"))
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}
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}()
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f.StopEditing()
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return
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}
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f.SendMessage(SendMessageData{
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time: time.Now(),
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content: text,
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author: f.username.GetLabel(),
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authorID: f.UserID,
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authorURL: f.username.GetIconURL(),
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nonce: f.generateNonce(),
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})
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}
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func (f *Field) SendMessage(data PresendMessage) {
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// presend message into the container through the controller
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var onErr = f.ctrl.AddPresendMessage(data)
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go func(sender cchat.ServerMessageSender) {
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if err := sender.SendMessage(data); err != nil {
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gts.ExecAsync(func() { onErr(err) })
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log.Error(errors.Wrap(err, "Failed to send message"))
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}
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}(f.Sender)
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}
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type SendMessageData struct {
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time time.Time
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content string
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author text.Rich
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authorID string
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authorURL string // avatar
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nonce string
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}
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type PresendMessage interface {
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cchat.MessageHeader // returns nonce and time
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cchat.SendableMessage
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cchat.MessageNonce
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Author() text.Rich
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AuthorID() string
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AuthorAvatarURL() string // may be empty
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}
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var _ PresendMessage = (*SendMessageData)(nil)
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// ID returns a pseudo ID for internal use.
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func (s SendMessageData) ID() string {
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return s.nonce
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}
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func (s SendMessageData) Time() time.Time {
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return s.time
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}
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func (s SendMessageData) Content() string {
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return s.content
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}
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func (s SendMessageData) Author() text.Rich {
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return s.author
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}
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func (s SendMessageData) AuthorID() string {
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return s.authorID
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}
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func (s SendMessageData) AuthorAvatarURL() string {
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return s.authorURL
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}
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func (s SendMessageData) Nonce() string {
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return s.nonce
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}
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