Implemented the /KICK command

client.go

@@ -169,6 +169,8 @@ func (c *Client) reply(code replyCode, args ...string) {
 		c.outputChan <- fmt.Sprintf(":%s 381 %s :You are now an operator", c.server.name, c.nick)
 	case rplChannelModeIs:
 		c.outputChan <- fmt.Sprintf(":%s 324 %s %s %s %s", c.server.name, c.nick, args[0], args[1], args[2])
+	case rplKick:
+		c.outputChan <- fmt.Sprintf(":%s KICK %s %s %s", args[0], args[1], args[2], args[3])
 	case errMoreArgs:
 		c.outputChan <- fmt.Sprintf(":%s 461 %s :Not enough params", c.server.name, c.nick)
 	case errNoNick:

rosella.go

@@ -108,6 +108,7 @@ const (
 	rplList
 	rplOper
 	rplChannelModeIs
+	rplKick
 	errMoreArgs
 	errNoNick
 	errInvalidNick

server.go

@@ -326,6 +326,49 @@ func (s *Server) handleEvent(e Event) {
 			e.client.reply(errNoSuchNick, nick)
 		}
 
+	case command == "KICK":
+		if e.client.registered == false {
+			e.client.reply(errNotReg)
+			return
+		}
+
+		if len(args) < 2 {
+			e.client.reply(errMoreArgs)
+			return
+		}
+
+		channelKey := strings.ToLower(args[0])
+		targetKey := strings.ToLower(args[1])
+
+		channel, channelExists := s.channelMap[channelKey]
+		if !channelExists {
+			e.client.reply(errNoSuchNick, args[0])
+			return
+		}
+
+		target, targetExists := channel.clientMap[targetKey]
+		if !targetExists {
+			e.client.reply(errNoSuchNick, args[1])
+			return
+		}
+
+		clientMode := channel.modeMap[e.client.key]
+		if !clientMode.operator {
+			e.client.reply(errNoPriv)
+			return
+		}
+
+		reason := strings.Join(args[2:], " ")
+
+		//It worked
+		for _, client := range channel.clientMap {
+			client.reply(rplKick, e.client.nick, channel.name, target.nick, reason)
+		}
+
+		delete(channel.clientMap, targetKey)
+		delete(channel.modeMap, targetKey)
+		delete(target.channelMap, channelKey)
+
 	case command == "MODE":
 		if e.client.registered == false {
 			e.client.reply(errNotReg)