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status.go
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status.go
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// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/platform/einterfaces"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/store"
"github.com/mattermost/platform/utils"
)
var statusCache *utils.Cache = utils.NewLru(model.STATUS_CACHE_SIZE)
func ClearStatusCache() {
statusCache.Purge()
}
func AddStatusCacheSkipClusterSend(status *model.Status) {
statusCache.Add(status.UserId, status)
}
func AddStatusCache(status *model.Status) {
AddStatusCacheSkipClusterSend(status)
if einterfaces.GetClusterInterface() != nil {
msg := &model.ClusterMessage{
Event: model.CLUSTER_EVENT_UPDATE_STATUS,
SendType: model.CLUSTER_SEND_BEST_EFFORT,
Data: status.ToJson(),
}
einterfaces.GetClusterInterface().SendClusterMessage(msg)
}
}
func GetAllStatuses() map[string]*model.Status {
if !*utils.Cfg.ServiceSettings.EnableUserStatuses {
return map[string]*model.Status{}
}
userIds := statusCache.Keys()
statusMap := map[string]*model.Status{}
for _, userId := range userIds {
if id, ok := userId.(string); !ok {
continue
} else {
status := GetStatusFromCache(id)
if status != nil {
statusMap[id] = status
}
}
}
return statusMap
}
func GetStatusesByIds(userIds []string) (map[string]interface{}, *model.AppError) {
if !*utils.Cfg.ServiceSettings.EnableUserStatuses {
return map[string]interface{}{}, nil
}
statusMap := map[string]interface{}{}
metrics := einterfaces.GetMetricsInterface()
missingUserIds := []string{}
for _, userId := range userIds {
if result, ok := statusCache.Get(userId); ok {
statusMap[userId] = result.(*model.Status).Status
if metrics != nil {
metrics.IncrementMemCacheHitCounter("Status")
}
} else {
missingUserIds = append(missingUserIds, userId)
if metrics != nil {
metrics.IncrementMemCacheMissCounter("Status")
}
}
}
if len(missingUserIds) > 0 {
if result := <-Srv.Store.Status().GetByIds(missingUserIds); result.Err != nil {
return nil, result.Err
} else {
statuses := result.Data.([]*model.Status)
for _, s := range statuses {
AddStatusCache(s)
statusMap[s.UserId] = s.Status
}
}
}
// For the case where the user does not have a row in the Status table and cache
for _, userId := range missingUserIds {
if _, ok := statusMap[userId]; !ok {
statusMap[userId] = model.STATUS_OFFLINE
}
}
return statusMap, nil
}
//GetUserStatusesByIds used by apiV4
func GetUserStatusesByIds(userIds []string) ([]*model.Status, *model.AppError) {
if !*utils.Cfg.ServiceSettings.EnableUserStatuses {
return []*model.Status{}, nil
}
var statusMap []*model.Status
metrics := einterfaces.GetMetricsInterface()
missingUserIds := []string{}
for _, userId := range userIds {
if result, ok := statusCache.Get(userId); ok {
statusMap = append(statusMap, result.(*model.Status))
if metrics != nil {
metrics.IncrementMemCacheHitCounter("Status")
}
} else {
missingUserIds = append(missingUserIds, userId)
if metrics != nil {
metrics.IncrementMemCacheMissCounter("Status")
}
}
}
if len(missingUserIds) > 0 {
if result := <-Srv.Store.Status().GetByIds(missingUserIds); result.Err != nil {
return nil, result.Err
} else {
statuses := result.Data.([]*model.Status)
for _, s := range statuses {
AddStatusCache(s)
}
statusMap = append(statusMap, statuses...)
}
}
// For the case where the user does not have a row in the Status table and cache
// remove the existing ids from missingUserIds and then create a offline state for the missing ones
// This also return the status offline for the non-existing Ids in the system
for i := 0; i < len(missingUserIds); i++ {
missingUserId := missingUserIds[i]
for _, userMap := range statusMap {
if missingUserId == userMap.UserId {
missingUserIds = append(missingUserIds[:i], missingUserIds[i+1:]...)
i--
break
}
}
}
for _, userId := range missingUserIds {
statusMap = append(statusMap, &model.Status{UserId: userId, Status: "offline"})
}
return statusMap, nil
}
func SetStatusOnline(userId string, sessionId string, manual bool) {
if !*utils.Cfg.ServiceSettings.EnableUserStatuses {
return
}
broadcast := false
var oldStatus string = model.STATUS_OFFLINE
var oldTime int64 = 0
var oldManual bool = false
var status *model.Status
var err *model.AppError
if status, err = GetStatus(userId); err != nil {
status = &model.Status{UserId: userId, Status: model.STATUS_ONLINE, Manual: false, LastActivityAt: model.GetMillis(), ActiveChannel: ""}
broadcast = true
} else {
if status.Manual && !manual {
return // manually set status always overrides non-manual one
}
if status.Status != model.STATUS_ONLINE {
broadcast = true
}
oldStatus = status.Status
oldTime = status.LastActivityAt
oldManual = status.Manual
status.Status = model.STATUS_ONLINE
status.Manual = false // for "online" there's no manual setting
status.LastActivityAt = model.GetMillis()
}
AddStatusCache(status)
// Only update the database if the status has changed, the status has been manually set,
// or enough time has passed since the previous action
if status.Status != oldStatus || status.Manual != oldManual || status.LastActivityAt-oldTime > model.STATUS_MIN_UPDATE_TIME {
var schan store.StoreChannel
if broadcast {
schan = Srv.Store.Status().SaveOrUpdate(status)
} else {
schan = Srv.Store.Status().UpdateLastActivityAt(status.UserId, status.LastActivityAt)
}
if result := <-schan; result.Err != nil {
l4g.Error(utils.T("api.status.save_status.error"), userId, result.Err)
}
}
if broadcast {
BroadcastStatus(status)
}
}
func BroadcastStatus(status *model.Status) {
event := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_STATUS_CHANGE, "", "", status.UserId, nil)
event.Add("status", status.Status)
event.Add("user_id", status.UserId)
go Publish(event)
}
func SetStatusOffline(userId string, manual bool) {
if !*utils.Cfg.ServiceSettings.EnableUserStatuses {
return
}
status, err := GetStatus(userId)
if err == nil && status.Manual && !manual {
return // manually set status always overrides non-manual one
}
status = &model.Status{UserId: userId, Status: model.STATUS_OFFLINE, Manual: manual, LastActivityAt: model.GetMillis(), ActiveChannel: ""}
AddStatusCache(status)
if result := <-Srv.Store.Status().SaveOrUpdate(status); result.Err != nil {
l4g.Error(utils.T("api.status.save_status.error"), userId, result.Err)
}
event := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_STATUS_CHANGE, "", "", status.UserId, nil)
event.Add("status", model.STATUS_OFFLINE)
event.Add("user_id", status.UserId)
go Publish(event)
}
func SetStatusAwayIfNeeded(userId string, manual bool) {
if !*utils.Cfg.ServiceSettings.EnableUserStatuses {
return
}
status, err := GetStatus(userId)
if err != nil {
status = &model.Status{UserId: userId, Status: model.STATUS_OFFLINE, Manual: manual, LastActivityAt: 0, ActiveChannel: ""}
}
if !manual && status.Manual {
return // manually set status always overrides non-manual one
}
if !manual {
if status.Status == model.STATUS_AWAY {
return
}
if !IsUserAway(status.LastActivityAt) {
return
}
}
status.Status = model.STATUS_AWAY
status.Manual = manual
status.ActiveChannel = ""
AddStatusCache(status)
if result := <-Srv.Store.Status().SaveOrUpdate(status); result.Err != nil {
l4g.Error(utils.T("api.status.save_status.error"), userId, result.Err)
}
event := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_STATUS_CHANGE, "", "", status.UserId, nil)
event.Add("status", model.STATUS_AWAY)
event.Add("user_id", status.UserId)
go Publish(event)
}
func GetStatusFromCache(userId string) *model.Status {
if result, ok := statusCache.Get(userId); ok {
status := result.(*model.Status)
statusCopy := &model.Status{}
*statusCopy = *status
return statusCopy
}
return nil
}
func GetStatus(userId string) (*model.Status, *model.AppError) {
if !*utils.Cfg.ServiceSettings.EnableUserStatuses {
return &model.Status{}, nil
}
status := GetStatusFromCache(userId)
if status != nil {
return status, nil
}
if result := <-Srv.Store.Status().Get(userId); result.Err != nil {
return nil, result.Err
} else {
return result.Data.(*model.Status), nil
}
}
func IsUserAway(lastActivityAt int64) bool {
return model.GetMillis()-lastActivityAt >= *utils.Cfg.TeamSettings.UserStatusAwayTimeout*1000
}