remove support for user deciding to leave a channel

--HG--
branch : nmdc-ircfrontend

client.go

@@ -76,32 +76,6 @@ func (c *Client) joinChannel(channelName string) {
 	c.reply(rplEndOfNames, channelName)
 }
 
-func (c *Client) partChannel(channelName, reason string) {
-	channelKey := strings.ToLower(channelName)
-	channel, exists := c.server.channelMap[channelKey]
-	if exists == false {
-		return
-	}
-
-	if _, inChannel := channel.clientMap[c.key]; inChannel == false {
-		//Client isn't in this channel, do nothing
-		return
-	}
-
-	//Notify clients of the part
-	for _, client := range channel.clientMap {
-		client.reply(rplPart, c.nick, channel.name, reason)
-	}
-
-	delete(c.channelMap, channelKey)
-	delete(channel.modeMap, c.key)
-	delete(channel.clientMap, c.key)
-
-	if len(channel.clientMap) == 0 {
-		delete(c.server.channelMap, channelKey)
-	}
-}
-
 func (c *Client) disconnect() {
 	c.connected = false
 	c.signalChan <- signalStop
@@ -192,13 +166,9 @@ func (c *Client) clientThread() {
 	go c.writeThread(writeSignalChan, writeChan)
 
 	defer func() {
-		//Part from all channels
+		// Implicit part from all channels
-		for channelName := range c.channelMap {
-			c.partChannel(channelName, "Disconnecting")
-		}
 
 		delete(c.server.clientMap, c.key)
-
 		c.connection.Close()
 	}()
 

server.go

@@ -121,10 +121,8 @@ func (s *Server) handleCommand(client *Client, command string, args []string) {
 		}
 
 		if args[0] == "0" {
-			//Quit all channels
+			// Intend to quit all channels
-			for channel := range client.channelMap {
+			// But we don't allow that
-				client.partChannel(channel, "Disconnecting")
-			}
 			return
 		}
 
@@ -142,20 +140,8 @@ func (s *Server) handleCommand(client *Client, command string, args []string) {
 			return
 		}
 
-		if len(args) < 1 {
+		// you can check out any time you like, but you can never leave
-			client.reply(errMoreArgs)
+		// we'll need to transmit client.reply(rplPart, c.nick, channel.name, reason) messages on behalf of other nmdc users, though
-			return
-		}
-
-		reason := strings.Join(args[1:], " ")
-
-		channels := strings.Split(args[0], ",")
-		for _, channel := range channels {
-			//Part the channel if it's valid
-			if channelRegexp.MatchString(channel) {
-				client.partChannel(channel, reason)
-			}
-		}
 
 	case "PRIVMSG":
 		if client.registered == false {