Merge branch 'master'
[aquarium] / src / main / scala / gr / grnet / aquarium / actor / service / user / UserActor.scala
index 6093340..eeb4821 100644 (file)
@@ -37,21 +37,28 @@ package gr.grnet.aquarium.actor
 package service
 package user
 
-import gr.grnet.aquarium.actor._
-
-import gr.grnet.aquarium.actor.message.event.{ProcessResourceEvent, ProcessIMEvent}
-import gr.grnet.aquarium.actor.message.config.{InitializeUserActorState, AquariumPropertiesLoaded}
-import gr.grnet.aquarium.util.date.TimeHelpers
-import gr.grnet.aquarium.event.model.im.IMEventModel
-import gr.grnet.aquarium.actor.message.{GetUserWalletResponseData, GetUserWalletResponse, GetUserWalletRequest, GetUserStateResponse, GetUserBalanceResponseData, GetUserBalanceResponse, GetUserStateRequest, GetUserBalanceRequest}
-import gr.grnet.aquarium.util.{LogHelpers, shortClassNameOf}
 import gr.grnet.aquarium.AquariumInternalError
+import gr.grnet.aquarium.actor.message.GetUserBalanceRequest
+import gr.grnet.aquarium.actor.message.GetUserBalanceResponse
+import gr.grnet.aquarium.actor.message.GetUserBalanceResponseData
+import gr.grnet.aquarium.actor.message.GetUserBillRequest
+import gr.grnet.aquarium.actor.message.GetUserBillResponse
+import gr.grnet.aquarium.actor.message.GetUserBillResponseData
+import gr.grnet.aquarium.actor.message.GetUserStateRequest
+import gr.grnet.aquarium.actor.message.GetUserStateResponse
+import gr.grnet.aquarium.actor.message.GetUserWalletRequest
+import gr.grnet.aquarium.actor.message.GetUserWalletResponse
+import gr.grnet.aquarium.actor.message.GetUserWalletResponseData
+import gr.grnet.aquarium.actor.message.config.AquariumPropertiesLoaded
+import gr.grnet.aquarium.charging.state.{UserStateModel, UserAgreementHistoryModel, UserStateBootstrap}
 import gr.grnet.aquarium.computation.BillingMonthInfo
-import gr.grnet.aquarium.charging.state.UserStateBootstrap
-import gr.grnet.aquarium.charging.state.{WorkingAgreementHistory, WorkingUserState, UserStateModel}
-import gr.grnet.aquarium.charging.reason.{InitialUserActorSetup, RealtimeChargingReason}
-import gr.grnet.aquarium.policy.{PolicyDefinedFullPriceTableRef, StdUserAgreement}
-import gr.grnet.aquarium.event.model.resource.ResourceEventModel
+import gr.grnet.aquarium.message.avro.gen.{IMEventMsg, ResourceEventMsg, UserStateMsg}
+import gr.grnet.aquarium.message.avro.{ModelFactory, MessageFactory, MessageHelpers, AvroHelpers}
+import gr.grnet.aquarium.service.event.BalanceEvent
+import gr.grnet.aquarium.util.date.TimeHelpers
+import gr.grnet.aquarium.util.{LogHelpers, shortClassNameOf}
+import gr.grnet.aquarium.policy.{ResourceType, PolicyModel}
+import gr.grnet.aquarium.charging.bill.BillEntryMsg
 
 /**
  *
@@ -59,12 +66,15 @@ import gr.grnet.aquarium.event.model.resource.ResourceEventModel
  */
 
 class UserActor extends ReflectiveRoleableActor {
+  private[this] var _rcMsgCount = 0
+  private[this] var _imMsgCount = 0
   private[this] var _userID: String = "<?>"
-  private[this] var _workingUserState: WorkingUserState = _
-  private[this] var _userCreationIMEvent: IMEventModel = _
-  private[this] val _workingAgreementHistory: WorkingAgreementHistory = new WorkingAgreementHistory
-  private[this] var _latestIMEventID: String = ""
-  private[this] var _latestResourceEventID: String = ""
+  private[this] var _userState: UserStateModel = _
+  private[this] var _userCreationIMEvent: IMEventMsg = _
+  private[this] var _userAgreementHistoryModel: UserAgreementHistoryModel = _
+  private[this] var _latestIMEventOriginalID: String = ""
+  private[this] var _latestIMEventOccurredMillis: Long = -1L
+  private[this] var _latestResourceEventOriginalID: String = ""
   private[this] var _userStateBootstrap: UserStateBootstrap = _
 
   def unsafeUserID = {
@@ -97,7 +107,7 @@ class UserActor extends ReflectiveRoleableActor {
 
   private[this] def chargingService = aquarium.chargingService
 
-  private[this] def stdUserStateStoreFunc = (userState: UserStateModel) ⇒ {
+  private[this] def stdUserStateStoreFunc = (userState: UserStateMsg) ⇒ {
     aquarium.userStateStore.insertUserState(userState)
   }
 
@@ -105,257 +115,259 @@ class UserActor extends ReflectiveRoleableActor {
     this._userID ne null
   }
 
-  @inline private[this] def haveUserCreationIMEvent = {
-    this._userCreationIMEvent ne null
-  }
-
   def onAquariumPropertiesLoaded(event: AquariumPropertiesLoaded): Unit = {
   }
 
   @inline private[this] def haveAgreements = {
-    this._workingAgreementHistory.size > 0
+    (this._userAgreementHistoryModel ne null) && this._userAgreementHistoryModel.size > 0
   }
 
-  @inline private[this] def haveWorkingUserState = {
-    this._workingUserState ne null
+  @inline private[this] def haveUserState = {
+    this._userState ne null
   }
 
   @inline private[this] def haveUserStateBootstrap = {
     this._userStateBootstrap ne null
   }
 
-  private[this] def updateAgreementHistoryFrom(imEvent: IMEventModel): Unit = {
-    if(imEvent.isCreateUser) {
-      if(haveUserCreationIMEvent) {
+  private[this] def createUserAgreementHistoryModel(imEvent: IMEventMsg) {
+    assert(MessageHelpers.isIMEventCreate(imEvent))
+    assert(this._userAgreementHistoryModel eq null)
+    assert(this._userCreationIMEvent eq null)
+
+    this._userCreationIMEvent = imEvent
+    this._userAgreementHistoryModel = ModelFactory.newUserAgreementHistoryModelFromIMEvent(
+      imEvent,
+      imEvent.getOriginalID
+    )
+  }
+
+  private[this] def updateAgreementHistoryFrom(imEvent: IMEventMsg): Unit = {
+    val isCreateUser = MessageHelpers.isIMEventCreate(imEvent)
+    if(isCreateUser) {
+      if(haveAgreements) {
         throw new AquariumInternalError(
           "Got user creation event (id=%s) but I already have one (id=%s)",
-            this._userCreationIMEvent.id,
-            imEvent.id
+          this._userCreationIMEvent.getOriginalID,
+          imEvent.getOriginalID
         )
       }
 
-      this._userCreationIMEvent = imEvent
+      createUserAgreementHistoryModel(imEvent) // now we have an agreement history
+      createUserStateBootstrap(imEvent)
     }
 
-    val effectiveFromMillis = imEvent.occurredMillis
-    val role = imEvent.role
+    val effectiveFromMillis = imEvent.getOccurredMillis
+    val role = imEvent.getRole
     // calling unsafe just for the side-effect
-    assert(null ne aquarium.unsafePriceTableForRoleAt(role, effectiveFromMillis))
-
-    val newAgreement = StdUserAgreement(
-      imEvent.id,
-      Some(imEvent.id),
-      effectiveFromMillis,
-      Long.MaxValue,
-      role,
-      PolicyDefinedFullPriceTableRef
-    )
+    assert(null ne aquarium.unsafeFullPriceTableForRoleAt(role, effectiveFromMillis))
 
-    this._workingAgreementHistory += newAgreement
+    // add to model (will update the underlying messages as well)
+    val newUserAgreementModel = ModelFactory.newUserAgreementModelFromIMEvent(imEvent, imEvent.getOriginalID)
+    this._userAgreementHistoryModel += newUserAgreementModel
+
+    // We assume that we always call this method with in-sync events
+    assert(imEvent.getOccurredMillis >= this._latestIMEventOccurredMillis)
+    updateLatestIMEventStateFrom(imEvent)
   }
 
-  private[this] def updateLatestIMEventIDFrom(imEvent: IMEventModel): Unit = {
-    this._latestIMEventID = imEvent.id
+//  private[this] def updateLatestIMEventIDFrom(imEvent: IMEventMsg): Unit = {
+//    this._latestIMEventOriginalID = imEvent.getOriginalID
+//  }
+
+  private[this] def updateLatestIMEventStateFrom(imEvent: IMEventMsg) {
+    this._latestIMEventOriginalID = imEvent.getOriginalID
+    this._latestIMEventOccurredMillis = imEvent.getOccurredMillis
+    this._imMsgCount += 1
   }
 
-  private[this] def updateLatestResourceEventIDFrom(rcEvent: ResourceEventModel): Unit = {
-    this._latestResourceEventID = rcEvent.id
+  private[this] def updateLatestResourceEventIDFrom(rcEvent: ResourceEventMsg): Unit = {
+    this._latestResourceEventOriginalID = rcEvent.getOriginalID
   }
 
   /**
    * Creates the initial state that is related to IMEvents.
+   *
+   * @return `true` if there was a user CREATE event
    */
-  private[this] def initializeStateOfIMEvents(): Unit = {
-    // NOTE: this._userID is already set up by onInitializeUserActorState()
-    aquarium.imEventStore.foreachIMEventInOccurrenceOrder(this._userID) { imEvent ⇒
-      DEBUG("Replaying %s", imEvent)
+  private[this] def initializeStateOfIMEvents(): Boolean = {
+    DEBUG("initializeStateOfIMEvents()")
 
-      updateAgreementHistoryFrom(imEvent)
-      updateLatestIMEventIDFrom(imEvent)
-    }
+    // NOTE: this._userID is already set up our caller
+    var _imcounter = 0
 
-    if(haveAgreements) {
-      DEBUG("Initial agreement history %s", this._workingAgreementHistory.toJsonString)
-      logSeparator()
+    aquarium.imEventStore.foreachIMEventInOccurrenceOrder(this._userID) { imEvent ⇒
+      _imcounter += 1
+      DEBUG("Replaying [%s] %s", _imcounter, imEvent)
+
+      if(_imcounter == 1 && !MessageHelpers.isIMEventCreate(imEvent)) {
+        // The very first event must be a CREATE event. Otherwise we abort initialization.
+        // This will normally happen during devops :)
+        INFO("Ignoring first %s since it is not CREATE", shortClassNameOf(imEvent))
+        false
+      }
+      else {
+        updateAgreementHistoryFrom(imEvent)
+        true
+      }
     }
   }
 
-  /**
-   * Resource events are processed only if the user has been created and has agreements.
-   * Otherwise nothing can be computed.
-   */
-  private[this] def shouldProcessResourceEvents: Boolean = {
-    haveUserCreationIMEvent && haveAgreements && haveUserStateBootstrap
-  }
-
-  private[this] def loadWorkingUserStateAndUpdateAgreementHistory(): Unit = {
+  private[this] def loadUserStateAndUpdateAgreementHistory(): Unit = {
     assert(this.haveAgreements, "this.haveAgreements")
-    assert(this.haveUserCreationIMEvent, "this.haveUserCreationIMEvent")
-
-    val userCreationMillis = this._userCreationIMEvent.occurredMillis
-    val userCreationRole = this._userCreationIMEvent.role // initial role
-    val userCreationIMEventID = this._userCreationIMEvent.id
 
     if(!haveUserStateBootstrap) {
-      this._userStateBootstrap = UserStateBootstrap(
-        this._userID,
-        userCreationMillis,
-        aquarium.initialUserAgreement(userCreationRole, userCreationMillis, Some(userCreationIMEventID)),
-        aquarium.initialUserBalance(userCreationRole, userCreationMillis)
-      )
+      this._userStateBootstrap = aquarium.getUserStateBootstrap(this._userCreationIMEvent)
     }
-
+    logger.debug("#### this._userStateBootStrap %s".format(this._userStateBootstrap.toString))
     val now = TimeHelpers.nowMillis()
-    this._workingUserState = chargingService.replayMonthChargingUpTo(
+    this._userState = chargingService.replayMonthChargingUpTo(
       BillingMonthInfo.fromMillis(now),
       now,
       this._userStateBootstrap,
       aquarium.currentResourceTypesMap,
-      InitialUserActorSetup(),
-      aquarium.userStateStore.insertUserState,
-      None
+      aquarium.userStateStore.insertUserState
     )
 
     // Final touch: Update agreement history in the working user state.
     // The assumption is that all agreement changes go via IMEvents, so the
     // state this._workingAgreementHistory is always the authoritative source.
-    if(haveWorkingUserState) {
-      this._workingUserState.workingAgreementHistory.setFrom(this._workingAgreementHistory)
-      DEBUG("Computed working user state %s", this._workingUserState.toJsonString)
+    if(haveUserState) {
+      this._userState.userAgreementHistoryModel = this._userAgreementHistoryModel
+      DEBUG("Computed working user state %s", AvroHelpers.jsonStringOfSpecificRecord(this._userState.msg))
     }
   }
 
-  private[this] def initializeStateOfResourceEvents(event: InitializeUserActorState): Unit = {
-    if(!this.haveAgreements) {
-      DEBUG("Cannot initializeResourceEventsState() from %s. There are no agreements", event)
-      return
-    }
-
-    if(!this.haveUserCreationIMEvent) {
-      DEBUG("Cannot initializeResourceEventsState() from %s. I never got a CREATE IMEvent", event)
-      return
-    }
+  private[this] def initializeStateOfResourceEvents(): Unit = {
+    DEBUG("initializeStateOfResourceEvents()")
+    assert(haveAgreements)
 
     // We will also need this functionality when receiving IMEvents, so we place it in a method
-    loadWorkingUserStateAndUpdateAgreementHistory()
+    loadUserStateAndUpdateAgreementHistory()
 
-    if(haveWorkingUserState) {
-      DEBUG("Initial working user state %s", this._workingUserState.toJsonString)
+    if(haveUserState) {
+      DEBUG("Initial working user state %s", AvroHelpers.jsonStringOfSpecificRecord(this._userState.msg))
       logSeparator()
     }
   }
 
-  def onInitializeUserActorState(event: InitializeUserActorState): Unit = {
-    this._userID = event.userID
-    DEBUG("Got %s", event)
+  /**
+   * Initializes the actor state from DB.
+   */
+  def initializeUserActorState(userID: String): Boolean = {
+    this._userID = userID
+
+    if(initializeStateOfIMEvents()) {
+      initializeStateOfResourceEvents()
+      // Even if we have no resource events, the user is at least CREATEd
+      true
+    }
+    else {
+      false
+    }
+  }
+
+  def createUserStateBootstrap(imEvent: IMEventMsg) {
+    assert(MessageHelpers.isIMEventCreate(imEvent), "MessageHelpers.isIMEventCreate(imEvent)")
+    assert(this._userCreationIMEvent == imEvent, "this._userCreationIMEvent == imEvent")
 
-    initializeStateOfIMEvents()
-    initializeStateOfResourceEvents(event)
+    this._userStateBootstrap = aquarium.getUserStateBootstrap(this._userCreationIMEvent)
   }
 
   /**
-   * Process [[gr.grnet.aquarium.event.model.im.IMEventModel]]s.
-   * When this method is called, we assume that all proper checks have been made and it
-   * is OK to proceed with the event processing.
+   * Processes [[gr.grnet.aquarium.message.avro.gen.IMEventMsg]]s that come directly from the
+   * messaging hub (rabbitmq).
    */
-  def onProcessIMEvent(processEvent: ProcessIMEvent): Unit = {
-    val imEvent = processEvent.imEvent
-    val hadUserCreationIMEvent = haveUserCreationIMEvent
-
+  def onIMEventMsg(imEvent: IMEventMsg) {
     if(!haveAgreements) {
-      // This is an error. Should have been initialized from somewhere ...
-      throw new AquariumInternalError("No agreements. Cannot process %s", processEvent)
-    }
-
-    if(this._latestIMEventID == imEvent.id) {
-      // This happens when the actor is brought to life, then immediately initialized, and then
-      // sent the first IM event. But from the initialization procedure, this IM event will have
-      // already been loaded from DB!
-      INFO("Ignoring first %s", imEvent.toDebugString)
-      logSeparator()
+      // If we have no agreements so far, then it does not matter what kind of event
+      // this is. So we replay the log (ehm.. store)
+      initializeUserActorState(imEvent.getUserID)
 
-      //this._latestIMEventID = imEvent.id
       return
     }
 
-    updateAgreementHistoryFrom(imEvent)
-    updateLatestIMEventIDFrom(imEvent)
+    // Check for out of sync (regarding IMEvents)
+    val isOutOfSyncIM = imEvent.getOccurredMillis < this._latestIMEventOccurredMillis
+    if(isOutOfSyncIM) {
+      // clear all resource state
+      // FIXME implement
 
-    // Must also update user state if we know when in history the life of a user begins
-    if(!hadUserCreationIMEvent && haveUserCreationIMEvent) {
-      loadWorkingUserStateAndUpdateAgreementHistory()
+      return
     }
-  }
 
-  def onProcessResourceEvent(event: ProcessResourceEvent): Unit = {
-    val rcEvent = event.rcEvent
-
-    if(!shouldProcessResourceEvents) {
-      // This means the user has not been created (at least, as far as Aquarium is concerned).
-      // So, we do not process any resource event
-      DEBUG("Not processing %s", rcEvent.toJsonString)
-      logSeparator()
+    // Check out of sync (regarding ResourceEvents)
+    val isOutOfSyncRC = false // FIXME implement
+    if(isOutOfSyncRC) {
+      // TODO
 
       return
     }
 
-    // Since the latest resource event per resource is recorded in the user state,
-    // we do not need to query the store. Just query the in-memory state.
-    // Note: This is a similar situation with the first IMEvent received right after the user
-    //       actor is created.
-    if(this._latestResourceEventID == rcEvent.id) {
-      INFO("Ignoring first %s", rcEvent.toDebugString)
-      logSeparator()
+    // OK, seems good
+    assert(!MessageHelpers.isIMEventCreate(imEvent), "!MessageHelpers.isIMEventCreate(imEvent)")
+    updateAgreementHistoryFrom(imEvent)
+  }
+
+  def onResourceEventMsg(rcEvent: ResourceEventMsg) {
+    if(!haveAgreements) {
+      DEBUG("No agreement. Ignoring %s", rcEvent)
 
       return
     }
 
     val now = TimeHelpers.nowMillis()
+    // TODO: Review this and its usage in user state.
+    // TODO: The assumption is that the resource set increases all the time,
+    // TODO: so the current map contains everything ever known (assuming we do not run backwards in time).
     val currentResourcesMap = aquarium.currentResourceTypesMap
-    val chargingReason = RealtimeChargingReason(None, now)
 
     val nowBillingMonthInfo = BillingMonthInfo.fromMillis(now)
     val nowYear = nowBillingMonthInfo.year
     val nowMonth = nowBillingMonthInfo.month
 
-    val eventOccurredMillis = rcEvent.occurredMillis
+    val eventOccurredMillis = rcEvent.getOccurredMillis
     val eventBillingMonthInfo = BillingMonthInfo.fromMillis(eventOccurredMillis)
     val eventYear = eventBillingMonthInfo.year
     val eventMonth = eventBillingMonthInfo.month
 
     def computeBatch(): Unit = {
-      DEBUG("Going for out of sync charging")
-      this._workingUserState = chargingService.replayMonthChargingUpTo(
+      DEBUG("Going for out of sync charging for %s", rcEvent.getOriginalID)
+      this._userState = chargingService.replayMonthChargingUpTo(
         nowBillingMonthInfo,
         // Take into account that the event may be out-of-sync.
         // TODO: Should we use this._latestResourceEventOccurredMillis instead of now?
         now max eventOccurredMillis,
         this._userStateBootstrap,
         currentResourcesMap,
-        chargingReason,
-        stdUserStateStoreFunc,
-        None
+        stdUserStateStoreFunc
       )
 
       updateLatestResourceEventIDFrom(rcEvent)
     }
 
     def computeRealtime(): Unit = {
-      DEBUG("Going for in sync charging")
+      DEBUG("Going for in sync charging for %s", rcEvent.getOriginalID)
       chargingService.processResourceEvent(
         rcEvent,
-        this._workingUserState,
-        chargingReason,
+        this._userState,
         nowBillingMonthInfo,
-        None,
         true
       )
 
       updateLatestResourceEventIDFrom(rcEvent)
     }
 
+    val oldTotalCredits =
+      if(this._userState!=null)
+        this._userState.totalCredits
+      else
+        0.0D
     // FIXME check these
-    if(nowYear != eventYear || nowMonth != eventMonth) {
+    if(this._userState eq null) {
+      computeBatch()
+    }
+    else if(nowYear != eventYear || nowMonth != eventMonth) {
       DEBUG(
         "nowYear(%s) != eventYear(%s) || nowMonth(%s) != eventMonth(%s)",
         nowYear, eventYear,
@@ -363,30 +375,67 @@ class UserActor extends ReflectiveRoleableActor {
       )
       computeBatch()
     }
-    else if(this._workingUserState.latestResourceEventOccurredMillis < rcEvent.occurredMillis) {
+    else if(this._userState.latestResourceEventOccurredMillis < rcEvent.getOccurredMillis) {
       DEBUG("this._workingUserState.latestResourceEventOccurredMillis < rcEvent.occurredMillis")
       DEBUG(
         "%s < %s",
-        TimeHelpers.toYYYYMMDDHHMMSSSSS(this._workingUserState.latestResourceEventOccurredMillis),
-        TimeHelpers.toYYYYMMDDHHMMSSSSS(rcEvent.occurredMillis)
+        TimeHelpers.toYYYYMMDDHHMMSSSSS(this._userState.latestResourceEventOccurredMillis),
+        TimeHelpers.toYYYYMMDDHHMMSSSSS(rcEvent.getOccurredMillis)
       )
       computeRealtime()
     }
     else {
+      DEBUG("OUT OF ORDER! this._workingUserState.latestResourceEventOccurredMillis=%s  and rcEvent.occurredMillis=%s",
+        TimeHelpers.toYYYYMMDDHHMMSSSSS(this._userState.latestResourceEventOccurredMillis),
+        TimeHelpers.toYYYYMMDDHHMMSSSSS(rcEvent.getOccurredMillis))
+
       computeBatch()
     }
-
-    DEBUG("Updated %s", this._workingUserState)
+    val newTotalCredits = this._userState.totalCredits
+    if(oldTotalCredits * newTotalCredits < 0)
+      aquarium.eventBus ! new BalanceEvent(this._userState.userID,
+        newTotalCredits>=0)
+    DEBUG("Updated %s", this._userState)
     logSeparator()
   }
 
+  def onGetUserBillRequest(event: GetUserBillRequest): Unit = {
+    try{
+      val timeslot = event.timeslot
+      val resourceTypes = aquarium.policyStore.
+                          loadSortedPolicyModelsWithin(timeslot.from.getTime,
+                                                       timeslot.to.getTime).
+                          values.headOption match {
+          case None => Map[String,ResourceType]()
+          case Some(policy:PolicyModel) => policy.resourceTypesMap
+      }
+      val state= if(haveUserState) Some(this._userState.msg) else None
+      val billEntryMsg = BillEntryMsg.fromWorkingUserState(timeslot,this._userID,state,resourceTypes)
+      //val billEntryMsg = MessageFactory.createBillEntryMsg(billEntry)
+      //logger.debug("BILL ENTRY MSG: " + billEntryMsg.toString)
+      val billData = GetUserBillResponseData(this._userID,billEntryMsg)
+      sender ! GetUserBillResponse(Right(billData))
+    } catch {
+      case e:Exception =>
+        e.printStackTrace()
+        sender ! GetUserBillResponse(Left("Internal Server Error [AQU-BILL-0001]"), 500)
+    }
+  }
+
   def onGetUserBalanceRequest(event: GetUserBalanceRequest): Unit = {
     val userID = event.userID
 
-    (haveUserCreationIMEvent, haveWorkingUserState) match {
+    (haveAgreements, haveUserState) match {
       case (true, true) ⇒
         // (User CREATEd, with balance state)
-        sender ! GetUserBalanceResponse(Right(GetUserBalanceResponseData(this._userID, this._workingUserState.totalCredits)))
+        val realtimeMillis = TimeHelpers.nowMillis()
+        chargingService.calculateRealtimeUserState(
+          this._userState,
+          BillingMonthInfo.fromMillis(realtimeMillis),
+          realtimeMillis
+        )
+
+        sender ! GetUserBalanceResponse(Right(GetUserBalanceResponseData(this._userID, this._userState.totalCredits)))
 
       case (true, false) ⇒
         // (User CREATEd, no balance state)
@@ -395,8 +444,8 @@ class UserActor extends ReflectiveRoleableActor {
           Right(
             GetUserBalanceResponseData(
               this._userID,
-              aquarium.initialUserBalance(this._userCreationIMEvent.role, this._userCreationIMEvent.occurredMillis)
-        )))
+              aquarium.initialUserBalance(this._userCreationIMEvent.getRole, this._userCreationIMEvent.getOccurredMillis)
+            )))
 
       case (false, true) ⇒
         // (Not CREATEd, with balance state)
@@ -411,9 +460,16 @@ class UserActor extends ReflectiveRoleableActor {
   }
 
   def onGetUserStateRequest(event: GetUserStateRequest): Unit = {
-    haveWorkingUserState match {
+    haveUserState match {
       case true ⇒
-        sender ! GetUserStateResponse(Right(this._workingUserState))
+        val realtimeMillis = TimeHelpers.nowMillis()
+        chargingService.calculateRealtimeUserState(
+          this._userState,
+          BillingMonthInfo.fromMillis(realtimeMillis),
+          realtimeMillis
+        )
+
+        sender ! GetUserStateResponse(Right(this._userState.msg))
 
       case false ⇒
         sender ! GetUserStateResponse(Left("No state for user %s [AQU-STA-0006]".format(event.userID)), 404)
@@ -421,29 +477,36 @@ class UserActor extends ReflectiveRoleableActor {
   }
 
   def onGetUserWalletRequest(event: GetUserWalletRequest): Unit = {
-    haveWorkingUserState match {
+    haveUserState match {
       case true ⇒
         DEBUG("haveWorkingUserState: %s", event)
+        val realtimeMillis = TimeHelpers.nowMillis()
+        chargingService.calculateRealtimeUserState(
+          this._userState,
+          BillingMonthInfo.fromMillis(realtimeMillis),
+          realtimeMillis
+        )
+
         sender ! GetUserWalletResponse(
           Right(
             GetUserWalletResponseData(
               this._userID,
-              this._workingUserState.totalCredits,
-              this._workingUserState.walletEntries.toList
-        )))
+              this._userState.totalCredits,
+              MessageFactory.newWalletEntriesMsg(this._userState.msg.getWalletEntries)
+            )))
 
       case false ⇒
         DEBUG("!haveWorkingUserState: %s", event)
-        haveUserCreationIMEvent match {
+        haveAgreements match {
           case true ⇒
-            DEBUG("haveUserCreationIMEvent: %s", event)
+            DEBUG("haveAgreements: %s", event)
             sender ! GetUserWalletResponse(
               Right(
                 GetUserWalletResponseData(
                   this._userID,
-                  aquarium.initialUserBalance(this._userCreationIMEvent.role, this._userCreationIMEvent.occurredMillis),
-                  Nil
-            )))
+                  aquarium.initialUserBalance(this._userCreationIMEvent.getRole, this._userCreationIMEvent.getOccurredMillis),
+                  MessageFactory.newWalletEntriesMsg()
+                )))
 
           case false ⇒
             DEBUG("!haveUserCreationIMEvent: %s", event)