From bded3202c214d157bd3e98502f9b4422c191336a Mon Sep 17 00:00:00 2001
From: Daniel Oaks <daniel@danieloaks.net>
Date: Sun, 26 Jun 2016 21:06:28 +1000
Subject: [PATCH] channels: send RPL_CHANNELCREATED and RPL_TOPICTIME

---
 irc/channel.go  | 28 ++++++++++++++++++----------
 irc/modes.go    |  2 ++
 irc/numerics.go |  3 ++-
 3 files changed, 22 insertions(+), 11 deletions(-)

diff --git a/irc/channel.go b/irc/channel.go
index 34b6cc45..c64caf8f 100644
--- a/irc/channel.go
+++ b/irc/channel.go
@@ -8,18 +8,22 @@ package irc
 import (
 	"log"
 	"strconv"
+	"time"
 )
 
 type Channel struct {
-	flags      ChannelModeSet
-	lists      map[ChannelMode]*UserMaskSet
-	key        string
-	members    MemberSet
-	name       Name
-	nameString string
-	server     *Server
-	topic      string
-	userLimit  uint64
+	flags        ChannelModeSet
+	lists        map[ChannelMode]*UserMaskSet
+	key          string
+	members      MemberSet
+	name         Name
+	nameString   string
+	server       *Server
+	createdTime  time.Time
+	topic        string
+	topicSetBy   string
+	topicSetTime time.Time
+	userLimit    uint64
 }
 
 // NewChannel creates a new channel from a `Server` and a `name`
@@ -205,6 +209,7 @@ func (channel *Channel) Join(client *Client, key string) {
 	client.channels.Add(channel)
 	channel.members.Add(client)
 	if !channel.flags[Persistent] && (len(channel.members) == 1) {
+		channel.createdTime = time.Now()
 		channel.members[client][ChannelFounder] = true
 		channel.members[client][ChannelOperator] = true
 	}
@@ -238,7 +243,7 @@ func (channel *Channel) GetTopic(client *Client) {
 	}
 
 	client.Send(nil, client.server.nameString, RPL_TOPIC, client.nickString, channel.nameString, channel.topic)
-	//TODO(dan): show topic time and setter here too
+	client.Send(nil, client.server.nameString, RPL_TOPICTIME, client.nickString, channel.nameString, channel.topicSetBy, strconv.FormatInt(channel.topicSetTime.Unix(), 10))
 }
 
 func (channel *Channel) SetTopic(client *Client, topic string) {
@@ -253,6 +258,8 @@ func (channel *Channel) SetTopic(client *Client, topic string) {
 	}
 
 	channel.topic = topic
+	channel.topicSetBy = client.nickString
+	channel.topicSetTime = time.Now()
 
 	for member := range channel.members {
 		member.Send(nil, client.nickMaskString, "TOPIC", channel.nameString, channel.topic)
@@ -404,6 +411,7 @@ func (channel *Channel) applyModeMask(client *Client, mode ChannelMode, op ModeO
 
 func (channel *Channel) Persist() (err error) {
 	if channel.flags[Persistent] {
+		//TODO(dan): Save topicSetBy/topicSetTime and createdTime
 		_, err = channel.server.db.Exec(`
             INSERT OR REPLACE INTO channel
               (name, flags, key, topic, user_limit, ban_list, except_list,
diff --git a/irc/modes.go b/irc/modes.go
index 16982a67..ebf23d45 100644
--- a/irc/modes.go
+++ b/irc/modes.go
@@ -6,6 +6,7 @@
 package irc
 
 import (
+	"strconv"
 	"strings"
 
 	"github.com/DanielOaks/girc-go/ircmsg"
@@ -371,6 +372,7 @@ func cmodeHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
 		//TODO(dan): we should just make ModeString return a slice here
 		args := append([]string{client.nickString, channel.nameString}, strings.Split(channel.ModeString(client), " ")...)
 		client.Send(nil, client.nickMaskString, RPL_CHANNELMODEIS, args...)
+		client.Send(nil, client.nickMaskString, RPL_CHANNELCREATED, client.nickString, channel.nameString, strconv.FormatInt(channel.createdTime.Unix(), 10))
 	}
 	return false
 }
diff --git a/irc/numerics.go b/irc/numerics.go
index b92219a6..934216c0 100644
--- a/irc/numerics.go
+++ b/irc/numerics.go
@@ -60,9 +60,10 @@ const (
 	RPL_LISTEND           = "323"
 	RPL_CHANNELMODEIS     = "324"
 	RPL_UNIQOPIS          = "325"
-	RPL_CREATIONTIME      = "329"
+	RPL_CHANNELCREATED    = "329"
 	RPL_NOTOPIC           = "331"
 	RPL_TOPIC             = "332"
+	RPL_TOPICTIME         = "333"
 	RPL_INVITING          = "341"
 	RPL_SUMMONING         = "342"
 	RPL_INVITELIST        = "346"