From 11247061b5623140656e3ec0ee96b6566637a950 Mon Sep 17 00:00:00 2001
From: JoramWilander <jwawilander@gmail.com>
Date: Wed, 19 Aug 2015 08:31:20 -0400
Subject: Track channel creator in DB and show in channel intro message.

---
 api/channel.go                     |  2 ++
 model/channel.go                   |  5 +++++
 store/sql_channel_store.go         |  2 ++
 web/react/components/post_list.jsx | 19 ++++++++++++++-----
 4 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/api/channel.go b/api/channel.go
index 151627623..be6a8b064 100644
--- a/api/channel.go
+++ b/api/channel.go
@@ -58,6 +58,8 @@ func createChannel(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	channel.CreatorId = c.Session.UserId
+
 	if sc, err := CreateChannel(c, channel, true); err != nil {
 		c.Err = err
 		return
diff --git a/model/channel.go b/model/channel.go
index 94b8fdb43..b46f79f75 100644
--- a/model/channel.go
+++ b/model/channel.go
@@ -28,6 +28,7 @@ type Channel struct {
 	LastPostAt    int64  `json:"last_post_at"`
 	TotalMsgCount int64  `json:"total_msg_count"`
 	ExtraUpdateAt int64  `json:"extra_update_at"`
+	CreatorId     string `json:"creator_id"`
 }
 
 func (o *Channel) ToJson() string {
@@ -92,6 +93,10 @@ func (o *Channel) IsValid() *AppError {
 		return NewAppError("Channel.IsValid", "Invalid description", "id="+o.Id)
 	}
 
+	if len(o.CreatorId) > 26 {
+		return NewAppError("Channel.IsValid", "Invalid creator id", "")
+	}
+
 	return nil
 }
 
diff --git a/store/sql_channel_store.go b/store/sql_channel_store.go
index b8bf8b5ac..cf34f2847 100644
--- a/store/sql_channel_store.go
+++ b/store/sql_channel_store.go
@@ -24,6 +24,7 @@ func NewSqlChannelStore(sqlStore *SqlStore) ChannelStore {
 		table.ColMap("Name").SetMaxSize(64)
 		table.SetUniqueTogether("Name", "TeamId")
 		table.ColMap("Description").SetMaxSize(1024)
+		table.ColMap("CreatorId").SetMaxSize(26)
 
 		tablem := db.AddTableWithName(model.ChannelMember{}, "ChannelMembers").SetKeys(false, "ChannelId", "UserId")
 		tablem.ColMap("ChannelId").SetMaxSize(26)
@@ -37,6 +38,7 @@ func NewSqlChannelStore(sqlStore *SqlStore) ChannelStore {
 
 func (s SqlChannelStore) UpgradeSchemaIfNeeded() {
 	s.CreateColumnIfNotExists("Channels", "ExtraUpdateAt", "TotalMsgCount", "bigint(20)", "0")
+	s.CreateColumnIfNotExists("Channels", "CreatorId", "ExtraUpdateAt", "varchar(26)", "")
 }
 
 func (s SqlChannelStore) CreateIndexesIfNotExists() {
diff --git a/web/react/components/post_list.jsx b/web/react/components/post_list.jsx
index bebd6847f..060b8555b 100644
--- a/web/react/components/post_list.jsx
+++ b/web/react/components/post_list.jsx
@@ -377,13 +377,22 @@ module.exports = React.createClass({
                 }
             } else if (channel.type === 'P' || channel.type === 'O') {
                 var uiName = channel.display_name;
-                var members = ChannelStore.getCurrentExtraInfo().members;
                 var creatorName = '';
 
-                for (var i = 0; i < members.length; i++) {
-                    if (members[i].roles.indexOf('admin') > -1) {
-                        creatorName = members[i].username;
-                        break;
+                if (channel.creator_id.length > 0) {
+                    var creator = UserStore.getProfile(channel.creator_id);
+                    if (creator) {
+                        creatorName = creator.username;
+                    }
+                }
+
+                if (creatorName === '') {
+                    var members = ChannelStore.getCurrentExtraInfo().members;
+                    for (var i = 0; i < members.length; i++) {
+                        if (members[i].roles.indexOf('admin') > -1) {
+                            creatorName = members[i].username;
+                            break;
+                        }
                     }
                 }
 
-- 
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