feat: support sending and receiving direct messages from other users

irc/handler/slash.go

@@ -17,7 +17,9 @@
 package handler
 
 import (
+	"fmt"
 	"strings"
+	"time"
 
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/illusionman1212/gorc/cmds"
@@ -25,10 +27,61 @@ import (
 	"github.com/illusionman1212/gorc/irc/commands"
 )
 
+func handleSlashPrivMsg(params []string, client *irc.Client) tea.Cmd {
+	var batchedCmds []tea.Cmd
+
+	if len(params) < 2 {
+		client.SendCommand(commands.PRIVMSG, params...)
+		return nil
+	}
+
+	target := strings.ToLower(params[0])
+
+	msgOpts := irc.MsgFmtOpts{
+		WithTimestamp: true,
+	}
+	now := time.Now()
+	timestamp := fmt.Sprintf("[%02d:%02d]", now.Hour(), now.Minute())
+	msg := fmt.Sprintf("%s: %s", client.Nickname, strings.Join(params[1:], " "))
+
+	for i, c := range client.Channels {
+		if c.Name == target {
+			client.ActiveChannelIndex = i
+			client.ActiveChannel = target
+
+			client.Channels[i].AppendMsg(timestamp, msg, msgOpts)
+
+			client.SendCommand(commands.PRIVMSG, params...)
+			return cmds.SwitchChannels
+		}
+	}
+
+	// If we're messaging a user and their "channel" wasn't found in the previous loop, then create it and append it
+	if target[0] != '#' && target[0] != '&' {
+		newChannel := irc.Channel{
+			Name:  target,
+			Users: map[string]irc.User{target: {}},
+		}
+
+		newChannel.AppendMsg(timestamp, msg, msgOpts)
+
+		client.ActiveChannelIndex = len(client.Channels)
+		client.ActiveChannel = target
+
+		client.Channels = append(client.Channels, newChannel)
+		batchedCmds = append(batchedCmds, cmds.UpdateTabBar)
+	}
+
+	client.SendCommand(commands.PRIVMSG, params...)
+	batchedCmds = append(batchedCmds, cmds.SwitchChannels)
+
+	return tea.Batch(batchedCmds...)
+}
+
 func handleSlashJoin(params []string, client *irc.Client) tea.Cmd {
 	channel := ""
 	if len(params) > 0 {
-		channel = params[0]
+		channel = strings.ToLower(params[0])
 	}
 
 	for i, c := range client.Channels {
@@ -52,6 +105,8 @@ func HandleSlashCommand(msg string, client *irc.Client) tea.Cmd {
 	}
 
 	switch command {
+	case commands.PRIVMSG:
+		return handleSlashPrivMsg(params, client)
 	case commands.JOIN:
 		return handleSlashJoin(params, client)
 	case commands.QUIT: