Merge pull request #1814 from mattermost/PLT-1485a

PLT-1485 Adding last view channel sticky

api/channel.go

@@ -679,6 +679,15 @@ func updateLastViewedAt(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	Srv.Store.Channel().UpdateLastViewedAt(id, c.Session.UserId)
 
+	preference := model.Preference{
+		UserId:   c.Session.UserId,
+		Category: model.PREFERENCE_CATEGORY_LAST,
+		Name:     model.PREFERENCE_NAME_LAST_CHANNEL,
+		Value:    id,
+	}
+
+	Srv.Store.Preference().Save(&model.Preferences{preference})
+
 	message := model.NewMessage(c.Session.TeamId, id, c.Session.UserId, model.ACTION_CHANNEL_VIEWED)
 	message.Add("channel_id", id)
 

model/preference.go

@@ -13,6 +13,9 @@ const (
 	PREFERENCE_CATEGORY_DIRECT_CHANNEL_SHOW = "direct_channel_show"
 	PREFERENCE_CATEGORY_TUTORIAL_STEPS      = "tutorial_step"
 	PREFERENCE_CATEGORY_ADVANCED_SETTINGS   = "advanced_settings"
+
+	PREFERENCE_CATEGORY_LAST     = "last"
+	PREFERENCE_NAME_LAST_CHANNEL = "channel"
 )
 
 type Preference struct {

web/web.go

@@ -238,7 +238,14 @@ func login(c *api.Context, w http.ResponseWriter, r *http.Request) {
 	_, session := api.FindMultiSessionForTeamId(r, team.Id)
 	if session != nil {
 		w.Header().Set(model.HEADER_TOKEN, session.Token)
-		http.Redirect(w, r, c.GetSiteURL()+"/"+team.Name+"/channels/town-square", http.StatusTemporaryRedirect)
+		lastViewChannelName := "town-square"
+		if lastViewResult := <-api.Srv.Store.Preference().Get(session.UserId, model.PREFERENCE_CATEGORY_LAST, model.PREFERENCE_NAME_LAST_CHANNEL); lastViewResult.Err == nil {
+			if lastViewChannelResult := <-api.Srv.Store.Channel().Get(lastViewResult.Data.(model.Preference).Value); lastViewChannelResult.Err == nil {
+				lastViewChannelName = lastViewChannelResult.Data.(*model.Channel).Name
+			}
+		}
+
+		http.Redirect(w, r, c.GetSiteURL()+"/"+team.Name+"/channels/"+lastViewChannelName, http.StatusTemporaryRedirect)
 		return
 	}