organize like a proper go package

src/irc/channel.go

@@ -1,187 +0,0 @@
-package irc
-
-import (
-	"log"
-)
-
-const (
-	DEBUG_CHANNEL = true
-)
-
-type Channel struct {
-	commands  chan<- ChannelCommand
-	key       string
-	members   ClientSet
-	name      string
-	noOutside bool
-	password  string
-	replies   chan<- Reply
-	server    *Server
-	topic     string
-}
-
-type ChannelSet map[*Channel]bool
-
-type ChannelCommand interface {
-	Command
-	HandleChannel(channel *Channel)
-}
-
-// NewChannel creates a new channel from a `Server` and a `name`
-// string, which must be unique on the server.
-func NewChannel(s *Server, name string) *Channel {
-	commands := make(chan ChannelCommand)
-	replies := make(chan Reply)
-	channel := &Channel{
-		name:     name,
-		members:  make(ClientSet),
-		server:   s,
-		commands: commands,
-		replies:  replies,
-	}
-	go channel.receiveCommands(commands)
-	go channel.receiveReplies(replies)
-	return channel
-}
-
-func (channel *Channel) receiveCommands(commands <-chan ChannelCommand) {
-	for command := range commands {
-		if DEBUG_CHANNEL {
-			log.Printf("%s → %s : %s", command.Source(), channel, command)
-		}
-		command.HandleChannel(channel)
-	}
-}
-
-func (channel *Channel) receiveReplies(replies <-chan Reply) {
-	for reply := range replies {
-		if DEBUG_CHANNEL {
-			log.Printf("%s ← %s : %s", channel, reply.Source(), reply)
-		}
-		for client := range channel.members {
-			if client != reply.Source() {
-				client.replies <- reply
-			}
-		}
-	}
-}
-
-func (channel *Channel) IsEmpty() bool {
-	return len(channel.members) == 0
-}
-
-func (channel *Channel) GetTopic(replier Replier) {
-	if channel.topic == "" {
-		replier.Replies() <- RplNoTopic(channel)
-		return
-	}
-
-	replier.Replies() <- RplTopic(channel)
-}
-
-func (channel *Channel) GetUsers(replier Replier) {
-	replier.Replies() <- NewNamesReply(channel)
-}
-
-func (channel *Channel) Nicks() []string {
-	nicks := make([]string, len(channel.members))
-	i := 0
-	for client := range channel.members {
-		nicks[i] = client.Nick()
-		i += 1
-	}
-	return nicks
-}
-
-func (channel *Channel) Replies() chan<- Reply {
-	return channel.replies
-}
-
-func (channel *Channel) Id() string {
-	return channel.name
-}
-
-func (channel *Channel) Nick() string {
-	return channel.name
-}
-
-func (channel *Channel) PublicId() string {
-	return channel.name
-}
-
-func (channel *Channel) String() string {
-	return channel.Id()
-}
-
-func (channel *Channel) Join(client *Client) {
-	channel.members[client] = true
-	client.channels[channel] = true
-	reply := RplJoin(channel, client)
-	client.replies <- reply
-	channel.replies <- reply
-	channel.GetTopic(client)
-	channel.GetUsers(client)
-}
-
-func (channel *Channel) HasMember(client *Client) bool {
-	return channel.members[client]
-}
-
-//
-// commands
-//
-
-func (m *JoinCommand) HandleChannel(channel *Channel) {
-	client := m.Client()
-	if channel.key != m.channels[channel.name] {
-		client.replies <- ErrBadChannelKey(channel)
-		return
-	}
-
-	channel.Join(client)
-}
-
-func (m *PartCommand) HandleChannel(channel *Channel) {
-	c := m.Client()
-
-	if !channel.HasMember(c) {
-		c.replies <- ErrNotOnChannel(channel)
-		return
-	}
-
-	msg := m.message
-	if msg == "" {
-		msg = c.Nick()
-	}
-
-	channel.replies <- RplPart(channel, c, msg)
-
-	delete(channel.members, c)
-	delete(c.channels, channel)
-
-	if channel.IsEmpty() { // TODO persistent channels
-		channel.server.DeleteChannel(channel)
-	}
-}
-
-func (m *TopicCommand) HandleChannel(channel *Channel) {
-	client := m.Client()
-
-	if !channel.HasMember(client) {
-		client.replies <- ErrNotOnChannel(channel)
-		return
-	}
-
-	if m.topic == "" {
-		channel.GetTopic(client)
-		return
-	}
-
-	channel.topic = m.topic
-
-	channel.GetTopic(channel)
-}
-
-func (m *PrivMsgCommand) HandleChannel(channel *Channel) {
-	channel.replies <- RplPrivMsgChannel(channel, m.Client(), m.message)
-}