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36 package gr.grnet.aquarium.computation.reason
38 import gr.grnet.aquarium.computation.BillingMonthInfo
39 import gr.grnet.aquarium.event.model.im.IMEventModel
41 sealed trait UserStateChangeReason {
43 * Return `true` if the result of the calculation should be stored back to the
44 * [[gr.grnet.aquarium.store.UserStateStore]].
47 def shouldStoreUserState: Boolean
49 def shouldStoreCalculatedWalletEntries: Boolean
51 def forPreviousBillingMonth: UserStateChangeReason
53 def calculateCreditsForImplicitlyTerminated: Boolean
55 def code: UserStateChangeReasonCodes.ChangeReasonCode
58 case object InitialUserStateSetup extends UserStateChangeReason {
59 def shouldStoreUserState = true
61 def shouldStoreCalculatedWalletEntries = false
63 def forPreviousBillingMonth = this
65 def calculateCreditsForImplicitlyTerminated = false
67 def code = UserStateChangeReasonCodes.InitialSetupCode
70 * A calculation made for no specific reason. Can be for testing, for example.
73 case object NoSpecificChangeReason extends UserStateChangeReason {
74 def shouldStoreUserState = false
76 def shouldStoreCalculatedWalletEntries = false
78 def forBillingMonthInfo(bmi: BillingMonthInfo) = this
80 def forPreviousBillingMonth = this
82 def calculateCreditsForImplicitlyTerminated = false
84 def code = UserStateChangeReasonCodes.NoSpecificChangeCode
88 * An authoritative calculation for the billing period.
90 * This marks a state for caching.
92 * @param billingMonthInfo
94 case class MonthlyBillingCalculation(billingMonthInfo: BillingMonthInfo) extends UserStateChangeReason {
95 def shouldStoreUserState = true
97 def shouldStoreCalculatedWalletEntries = true
99 def forPreviousBillingMonth = MonthlyBillingCalculation(billingMonthInfo.previousMonth)
101 def calculateCreditsForImplicitlyTerminated = true
103 def code = UserStateChangeReasonCodes.MonthlyBillingCode
107 * Used for the realtime billing calculation.
109 * @param forWhenMillis The time this calculation is for
111 case class RealtimeBillingCalculation(forWhenMillis: Long) extends UserStateChangeReason {
112 def shouldStoreUserState = false
114 def shouldStoreCalculatedWalletEntries = false
116 def forPreviousBillingMonth = this
118 def calculateCreditsForImplicitlyTerminated = false
120 def code = UserStateChangeReasonCodes.RealtimeBillingCode
123 case class IMEventArrival(imEvent: IMEventModel) extends UserStateChangeReason {
124 def shouldStoreUserState = true
126 def shouldStoreCalculatedWalletEntries = false
128 def forPreviousBillingMonth = this
130 def calculateCreditsForImplicitlyTerminated = false
132 def code = UserStateChangeReasonCodes.IMEventArrivalCode