import gr.grnet.aquarium.actor._
-import gr.grnet.aquarium.util.shortClassNameOf
import akka.config.Supervision.Temporary
import gr.grnet.aquarium.Aquarium
+import gr.grnet.aquarium.util.{shortClassNameOf, shortNameOfClass}
import gr.grnet.aquarium.actor.message.event.{ProcessResourceEvent, ProcessIMEvent}
-import gr.grnet.aquarium.actor.message.{GetUserStateRequest, GetUserBalanceRequest}
import gr.grnet.aquarium.computation.data.IMStateSnapshot
import gr.grnet.aquarium.event.model.im.IMEventModel
-import gr.grnet.aquarium.computation.NewUserState
import gr.grnet.aquarium.actor.message.config.{InitializeUserState, ActorProviderConfigured, AquariumPropertiesLoaded}
+import gr.grnet.aquarium.actor.message.{GetUserBalanceResponseData, GetUserBalanceResponse, GetUserStateRequest, GetUserBalanceRequest}
+import gr.grnet.aquarium.computation.{BillingMonthInfo, UserStateBootstrappingData, UserState}
+import gr.grnet.aquarium.util.date.TimeHelpers
+import gr.grnet.aquarium.logic.accounting.Policy
+import gr.grnet.aquarium.computation.reason.InitialUserStateSetup
/**
*
*/
class UserActor extends ReflectiveRoleableActor {
+ private[this] var _userID: String = "<?>"
private[this] var _imState: IMStateSnapshot = _
-// private[this] var _userState: UserState = _
-// private[this] var _newUserState: NewUserState = _
+ private[this] var _userState: UserState = _
self.lifeCycle = Temporary
-// private[this] def _userID = this._newUserState.userID
private[this] def _shutmedown(): Unit = {
-// if(_haveUserState) {
-// UserActorCache.invalidate(_userID)
-// }
+ if(_haveUserState) {
+ UserActorCache.invalidate(_userID)
+ }
self.stop()
}
override protected def onThrowable(t: Throwable, message: AnyRef) = {
logChainOfCauses(t)
-// ERROR(t, "Terminating due to: %s(%s)", shortClassNameOf(t), t.getMessage)
+ ERROR(t, "Terminating due to: %s(%s)", shortClassNameOf(t), t.getMessage)
_shutmedown()
}
def role = UserActorRole
private[this] def aquarium: Aquarium = Aquarium.Instance
+ private[this] def userStateComputations = aquarium.userStateComputations
- private[this] def _timestampTheshold =
+ private[this] def _timestampTheshold = {
aquarium.props.getLong(Aquarium.Keys.user_state_timestamp_threshold).getOr(10000)
+ }
-
-// private[this] def _haveUserState = {
-// this._newUserState ne null
-// }
+ private[this] def _haveUserState = {
+ this._userState ne null
+ }
private[this] def _haveIMState = {
this._imState ne null
def onActorProviderConfigured(event: ActorProviderConfigured): Unit = {
}
- private[this] def reloadIMState(userID: String): Unit = {
+ private[this] def createIMState(event: InitializeUserState): Unit = {
+ val userID = event.userID
val store = aquarium.imEventStore
+ // TODO: Optimization: Since IMState only records roles, we should incrementally
+ // TODO: built it only for those IMEvents that changed the role.
store.replayIMEventsInOccurrenceOrder(userID) { imEvent ⇒
logger.debug("Replaying %s".format(imEvent))
IMStateSnapshot.initial(imEvent)
case currentState ⇒
- currentState.copyWithEvent(imEvent)
+ currentState.updateHistoryWithEvent(imEvent)
}
this._imState = newState
}
- logger.debug("Recomputed %s".format(this._imState))
+ DEBUG("Recomputed %s = %s", shortNameOfClass(classOf[IMStateSnapshot]), this._imState)
}
- def onInitializeUserState(event: InitializeUserState): Unit = {
- logger.debug("Got %s".format(event))
- reloadIMState(event.userID)
+ /**
+ * Resource events are processed only if the user has been activated.
+ */
+ private[this] def shouldProcessResourceEvents: Boolean = {
+ _haveIMState && this._imState.hasBeenActivated
}
- private[this] def _getAgreementNameForNewUser(imEvent: IMEventModel): String = {
- // FIXME: Implement based on the role
- "default"
+ private[this] def createUserState(event: InitializeUserState): Unit = {
+ val userID = event.userID
+ val referenceTime = event.referenceTimeMillis
+
+ if(!_haveIMState) {
+ // Should have been created from `createIMState()`
+ DEBUG("Cannot create user state from %s, since %s = %s", event, shortNameOfClass(classOf[IMStateSnapshot]), this._imState)
+ return
+ }
+
+ if(!this._imState.hasBeenActivated) {
+ // Cannot set the initial state!
+ DEBUG("Cannot create user state from %s, since user is inactive", event)
+ return
+ }
+
+ val userActivationMillis = this._imState.userActivationMillis.get
+ val initialRole = this._imState.roleHistory.firstRole.get.name
+
+ val userStateBootstrap = UserStateBootstrappingData(
+ this._userID,
+ userActivationMillis,
+ initialRole,
+ aquarium.initialAgreementForRole(initialRole, userActivationMillis),
+ aquarium.initialBalanceForRole(initialRole, userActivationMillis)
+ )
+
+ userStateComputations.doFullMonthlyBilling(
+ userStateBootstrap,
+ BillingMonthInfo.fromMillis(TimeHelpers.nowMillis()),
+ aquarium.currentResourcesMap,
+ InitialUserStateSetup,
+ None
+ )
+ }
+
+ def onInitializeUserState(event: InitializeUserState): Unit = {
+ val userID = event.userID
+ this._userID = userID
+ DEBUG("Got %s", event)
+
+ createIMState(event)
+ createUserState(event)
}
/**
*/
def onProcessIMEvent(processEvent: ProcessIMEvent): Unit = {
val imEvent = processEvent.imEvent
- val hadIMState = _haveIMState
-
- if(hadIMState) {
- if(this._imState.latestIMEvent.id == 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!
- logger.debug("Ignoring first %s after birth".format(imEvent.toDebugString))
- return
- }
- this._imState = this._imState.copyWithEvent(imEvent)
- } else {
- this._imState = IMStateSnapshot.initial(imEvent)
+ if(!_haveIMState) {
+ // This is an error. Should have been initialized from somewhere ...
+ throw new Exception("Got %s while being uninitialized".format(processEvent))
}
-// DEBUG("%s %s = %s", if(hadIMState) "Update" else "Set", shortClassNameOf(this._imState), this._imState)
+ if(this._imState.latestIMEvent.id == 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 after birth", imEvent.toDebugString)
+ return
+ }
+
+ this._imState = this._imState.updateHistoryWithEvent(imEvent)
+
+ INFO("Update %s = %s", shortClassNameOf(this._imState), this._imState)
}
+ def onProcessResourceEvent(event: ProcessResourceEvent): Unit = {
+ val rcEvent = event.rcEvent
+
+ if(!shouldProcessResourceEvents) {
+ // This means the user has not been activated. So, we do not process any resource event
+ DEBUG("Not processing %s", rcEvent.toJsonString)
+ return
+ }
+ }
+
+
def onGetUserBalanceRequest(event: GetUserBalanceRequest): Unit = {
- val userId = event.userID
- // FIXME: Implement
-// self reply GetUserBalanceResponse(userId, Right(_userState.creditsSnapshot.creditAmount))
+ val userID = event.userID
+
+ if(!_haveIMState) {
+ // No IMEvent has arrived, so this user is virtually unknown
+ self reply GetUserBalanceResponse(Left("User not found"), 404/*Not found*/)
+ }
+ else if(!_haveUserState) {
+ // The user is known but we have no state.
+ // Ridiculous. Should have been created at least during initialization.
+ }
+
+ if(!_haveUserState) {
+ self reply GetUserBalanceResponse(Left("Not found"), 404/*Not found*/)
+ } else {
+ self reply GetUserBalanceResponse(Right(GetUserBalanceResponseData(userID, this._userState.totalCredits)))
+ }
}
def onGetUserStateRequest(event: GetUserStateRequest): Unit = {
// self reply GetUserStateResponse(userId, Right(this._userState))
}
- def onProcessResourceEvent(event: ProcessResourceEvent): Unit = {
- val rcEvent = event.rcEvent
+ private[this] def D_userID = {
+ this._userID
+ }
+
+ private[this] def DEBUG(fmt: String, args: Any*) =
+ logger.debug("User[%s]: %s".format(D_userID, fmt.format(args: _*)))
+
+ private[this] def INFO(fmt: String, args: Any*) =
+ logger.info("User[%s]: %s".format(D_userID, fmt.format(args: _*)))
+
+ private[this] def WARN(fmt: String, args: Any*) =
+ logger.warn("User[%s]: %s".format(D_userID, fmt.format(args: _*)))
+
+ private[this] def ERROR(fmt: String, args: Any*) =
+ logger.error("User[%s]: %s".format(D_userID, fmt.format(args: _*)))
- logger.info("Got\n{}", rcEvent.toJsonString)
- }
-
-
-// private[this] def D_userID = {
-// if(this._newUserState eq null)
-// if(this._imState eq null)
-// "<NOT INITIALIZED>"
-// else
-// this._imState.latestIMEvent.userID
-// else
-// this._newUserState.userID
-// }
-//
-// private[this] def DEBUG(fmt: String, args: Any*) =
-// logger.debug("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
-//
-// private[this] def INFO(fmt: String, args: Any*) =
-// logger.info("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
-//
-// private[this] def WARN(fmt: String, args: Any*) =
-// logger.warn("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
-//
-// private[this] def ERROR(fmt: String, args: Any*) =
-// logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
-//
-// private[this] def ERROR(t: Throwable, fmt: String, args: Any*) =
-// logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)), t)
+ private[this] def ERROR(t: Throwable, fmt: String, args: Any*) =
+ logger.error("User[%s]: %s".format(D_userID, fmt.format(args: _*)), t)
}