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Handler.scala
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Handler.scala
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package com.gu.newproduct.api.addsubscription
import java.io.{InputStream, OutputStream}
import java.time.{LocalDate, LocalDateTime}
import com.amazonaws.services.lambda.runtime.Context
import com.gu.effects.sqs.AwsSQSSend
import com.gu.effects.sqs.AwsSQSSend.QueueName
import com.gu.effects.{GetFromS3, RawEffects}
import com.gu.i18n.Currency
import com.gu.newproduct.api.addsubscription.TypeConvert._
import com.gu.newproduct.api.addsubscription.email.EtSqsSend
import com.gu.newproduct.api.addsubscription.email.contributions.SendConfirmationEmailContributions.ContributionsEmailData
import com.gu.newproduct.api.addsubscription.email.contributions.{ContributionFields, SendConfirmationEmailContributions}
import com.gu.newproduct.api.addsubscription.email.voucher.{SendConfirmationEmailVoucher, VoucherEmailData}
import com.gu.newproduct.api.addsubscription.validation.Validation._
import com.gu.newproduct.api.addsubscription.validation.contribution.ContributionValidations.ValidatableFields
import com.gu.newproduct.api.addsubscription.validation.contribution.{ContributionAccountValidation, ContributionCustomerData, ContributionValidations, GetContributionCustomerData}
import com.gu.newproduct.api.addsubscription.validation.voucher.{GetVoucherCustomerData, ValidateContactsForVoucher, VoucherAccountValidation, VoucherCustomerData}
import com.gu.newproduct.api.addsubscription.validation.{ValidationResult, _}
import com.gu.newproduct.api.addsubscription.zuora.CreateSubscription.WireModel.{WireCreateRequest, WireSubscription}
import com.gu.newproduct.api.addsubscription.zuora.CreateSubscription.{ChargeOverride, SubscriptionName, ZuoraCreateSubRequest}
import com.gu.newproduct.api.addsubscription.zuora.GetAccount.SfContactId
import com.gu.newproduct.api.addsubscription.zuora.GetAccount.WireModel.ZuoraAccount
import com.gu.newproduct.api.addsubscription.zuora.GetAccountSubscriptions.WireModel.ZuoraSubscriptionsResponse
import com.gu.newproduct.api.addsubscription.zuora.GetContacts.BillToContact
import com.gu.newproduct.api.addsubscription.zuora.GetContacts.WireModel.GetContactsResponse
import com.gu.newproduct.api.addsubscription.zuora.GetPaymentMethod.{DirectDebit, PaymentMethod, PaymentMethodWire}
import com.gu.newproduct.api.addsubscription.zuora.{GetContacts, _}
import com.gu.newproduct.api.productcatalog.PlanId.{AnnualContribution, MonthlyContribution}
import com.gu.newproduct.api.productcatalog.ZuoraIds.{PlanAndCharge, ProductRatePlanId}
import com.gu.newproduct.api.productcatalog._
import com.gu.util.Logging
import com.gu.util.apigateway.ApiGatewayHandler.{LambdaIO, Operation}
import com.gu.util.apigateway.ApiGatewayResponse.internalServerError
import com.gu.util.apigateway.ResponseModels.ApiResponse
import com.gu.util.apigateway.{ApiGatewayHandler, ApiGatewayRequest, ApiGatewayResponse}
import com.gu.util.config.LoadConfigModule.StringFromS3
import com.gu.util.config.{LoadConfigModule, Stage, ZuoraEnvironment}
import com.gu.util.reader.AsyncTypes._
import com.gu.util.reader.Types._
import com.gu.util.resthttp.RestRequestMaker.Requests
import com.gu.util.resthttp.Types.ClientFailableOp
import com.gu.util.zuora.{ZuoraRestConfig, ZuoraRestRequestMaker}
import okhttp3.{Request, Response}
import scala.concurrent.Future
object Handler extends Logging {
// Referenced in Cloudformation
def apply(inputStream: InputStream, outputStream: OutputStream, context: Context): Unit =
ApiGatewayHandler(LambdaIO(inputStream, outputStream, context)) {
Steps.operationForEffects(RawEffects.response, RawEffects.stage, GetFromS3.fetchString, AwsSQSSend.apply, RawEffects.now)
}
}
object Steps {
def createZuoraSubRequest(
request: AddSubscriptionRequest,
acceptanceDate: LocalDate,
chargeOverride: Option[ChargeOverride],
productRatePlanId: ProductRatePlanId
) = ZuoraCreateSubRequest(
productRatePlanId = productRatePlanId,
accountId = request.zuoraAccountId,
maybeChargeOverride = chargeOverride,
acceptanceDate = acceptanceDate,
acquisitionCase = request.acquisitionCase,
acquisitionSource = request.acquisitionSource,
createdByCSR = request.createdByCSR
)
def paymentDelayFor(paymentMethod: PaymentMethod): Long = paymentMethod match {
case d: DirectDebit => 10l
case _ => 0l
}
def toContributionEmailData(
request: AddSubscriptionRequest,
currency: Currency,
paymentMethod: PaymentMethod,
firstPaymentDate: LocalDate,
billToContact: BillToContact,
amountMinorUnits: AmountMinorUnits
) =
ContributionsEmailData(
accountId = request.zuoraAccountId,
currency = currency,
paymentMethod = paymentMethod,
amountMinorUnits = amountMinorUnits,
firstPaymentDate = firstPaymentDate,
billTo = billToContact,
planId = request.planId
)
def handleRequest(
addContribution: AddSubscriptionRequest => AsyncApiGatewayOp[SubscriptionName],
addVoucher: AddSubscriptionRequest => AsyncApiGatewayOp[SubscriptionName]
)(
apiGatewayRequest: ApiGatewayRequest
): Future[ApiResponse] = (for {
request <- apiGatewayRequest.bodyAsCaseClass[AddSubscriptionRequest]().withLogging("parsed request").toAsync
subscriptionName <- request.planId match {
case MonthlyContribution | AnnualContribution => addContribution(request)
case _ => addVoucher(request)
}
} yield ApiGatewayResponse(body = AddedSubscription(subscriptionName.value), statusCode = "200")).apiResponse
def addContributionSteps(
getPlanAndCharge: PlanId => Option[PlanAndCharge],
getCustomerData: ZuoraAccountId => ApiGatewayOp[ContributionCustomerData],
contributionValidations: (ValidatableFields, Currency) => ValidationResult[AmountMinorUnits],
createSubscription: ZuoraCreateSubRequest => ClientFailableOp[SubscriptionName],
sendConfirmationEmail: (Option[SfContactId], ContributionsEmailData) => AsyncApiGatewayOp[Unit]
)(request: AddSubscriptionRequest): AsyncApiGatewayOp[SubscriptionName] = {
for {
customerData <- getCustomerData(request.zuoraAccountId).toAsync
ContributionCustomerData(account, paymentMethod, subscriptions, contacts) = customerData
validatableFields = ValidatableFields(request.amountMinorUnits, request.startDate)
amountMinorUnits <- contributionValidations(validatableFields, account.currency).toApiGatewayOp.toAsync
acceptanceDate = request.startDate.plusDays(paymentDelayFor(paymentMethod))
planAndCharge <- getPlanAndCharge(request.planId).toApiGatewayContinueProcessing(internalServerError(s"no Zuora id for ${request.planId}!")).toAsync
chargeOverride = ChargeOverride(amountMinorUnits, planAndCharge.productRatePlanChargeId)
zuoraCreateSubRequest = createZuoraSubRequest(request, acceptanceDate, Some(chargeOverride), planAndCharge.productRatePlanId)
subscriptionName <- createSubscription(zuoraCreateSubRequest).toAsyncApiGatewayOp("create monthly contribution")
contributionEmailData = toContributionEmailData(request, account.currency, paymentMethod, acceptanceDate, contacts.billTo, amountMinorUnits)
_ <- sendConfirmationEmail(account.sfContactId, contributionEmailData).recoverAndLog("send contribution confirmation email")
} yield subscriptionName
}
def addVoucherSteps(
getPlan: PlanId => Plan,
getZuoraRateplanId: PlanId => Option[ProductRatePlanId],
getCustomerData: ZuoraAccountId => ApiGatewayOp[VoucherCustomerData],
validateStartDate: (PlanId, LocalDate) => ValidationResult[Unit],
createSubscription: ZuoraCreateSubRequest => ClientFailableOp[SubscriptionName],
sendConfirmationEmail: (Option[SfContactId], VoucherEmailData) => AsyncApiGatewayOp[Unit]
)(request: AddSubscriptionRequest): AsyncApiGatewayOp[SubscriptionName] = for {
_ <- validateStartDate(request.planId, request.startDate).toApiGatewayOp.toAsync
customerData <- getCustomerData(request.zuoraAccountId).toAsync
zuoraRatePlanId <- getZuoraRateplanId(request.planId).toApiGatewayContinueProcessing(internalServerError(s"no Zuora id for ${request.planId}!")).toAsync
createSubRequest = createZuoraSubRequest(
request = request,
acceptanceDate = request.startDate,
chargeOverride = None,
productRatePlanId = zuoraRatePlanId
)
subscriptionName <- createSubscription(createSubRequest).toAsyncApiGatewayOp("create voucher subscription")
plan = getPlan(request.planId)
voucherEmailData = VoucherEmailData(
plan = plan,
firstPaymentDate = request.startDate,
firstPaperDate = request.startDate,
subscriptionName = subscriptionName,
contacts = customerData.contacts,
paymentMethod = customerData.paymentMethod
)
_ <- sendConfirmationEmail(customerData.account.sfContactId, voucherEmailData).recoverAndLog("send voucher confirmation email")
} yield subscriptionName
def operationForEffects(
response: Request => Response,
stage: Stage,
fetchString: StringFromS3,
awsSQSSend: QueueName => AwsSQSSend.Payload => Future[Unit],
currentDatetime: () => LocalDateTime
): ApiGatewayOp[Operation] =
for {
zuoraIds <- ZuoraIds.zuoraIdsForStage(stage)
zuoraConfig <- {
val loadConfig = LoadConfigModule(stage, fetchString)
loadConfig[ZuoraRestConfig].toApiGatewayOp("load zuora config")
}
zuoraClient = ZuoraRestRequestMaker(response, zuoraConfig)
queueNames = emailQueuesFor(stage)
contributionSqsSend = awsSQSSend(queueNames.contributions)
contributionEtSqsSend = EtSqsSend[ContributionFields](contributionSqsSend) _
getCurrentDate = () => RawEffects.now().toLocalDate
validatorFor = DateValidator.validatorFor(getCurrentDate, _: DateRule)
zuoraToPlanId = zuoraIds.voucherZuoraIds.zuoraIdToPlanid.get _
zuoraEnv = ZuoraEnvironment.EnvForStage(stage)
plansWithPrice <- PricesFromZuoraCatalog(zuoraEnv, fetchString, zuoraToPlanId).toApiGatewayOp("get prices from zuora catalog")
catalog = NewProductApi.catalog(plansWithPrice.get)
isValidStartDateForPlan = Function.uncurried(
catalog.planForId andThen { plan =>
StartDateValidator.fromRule(validatorFor, plan.startDateRules)
}
)
currentDate = () => currentDatetime().toLocalDate
createSubscription = CreateSubscription(zuoraClient.post[WireCreateRequest, WireSubscription], currentDate) _
contributionIds = List(zuoraIds.contributionsZuoraIds.monthly.productRatePlanId, zuoraIds.contributionsZuoraIds.annual.productRatePlanId)
getCustomerData = getValidatedContributionCustomerData(zuoraClient, contributionIds)
isValidContributionStartDate = isValidStartDateForPlan(MonthlyContribution, _: LocalDate)
validateRequest = ContributionValidations(isValidContributionStartDate, AmountLimits.limitsFor) _
sendConfirmationEmail = SendConfirmationEmailContributions(contributionEtSqsSend, getCurrentDate) _
planAndChargeForContributionPlanId = zuoraIds.contributionsZuoraIds.byApiPlanId.get _
contributionSteps = addContributionSteps(planAndChargeForContributionPlanId, getCustomerData, validateRequest, createSubscription, sendConfirmationEmail) _
voucherSqsSend = awsSQSSend(queueNames.voucher)
voucherEtSqsSend = EtSqsSend[VoucherEmailData](voucherSqsSend) _
sendVoucherEmail = SendConfirmationEmailVoucher(voucherEtSqsSend, getCurrentDate) _
getZuoraIdForVoucherPlan = zuoraIds.voucherZuoraIds.byApiPlanId.get _
getVoucherData = getValidatedVoucherCustomerData(zuoraClient)
voucherSteps = addVoucherSteps(
catalog.planForId,
getZuoraIdForVoucherPlan,
getVoucherData,
isValidStartDateForPlan,
createSubscription,
sendVoucherEmail
) _
addSubSteps = handleRequest(
addContribution = contributionSteps,
addVoucher = voucherSteps
) _
configuredOp = Operation.async(
steps = addSubSteps,
healthcheck = () =>
HealthCheck(GetAccount(zuoraClient.get[ZuoraAccount]), AccountIdentitys.accountIdentitys(stage))
)
} yield configuredOp
def getValidatedContributionCustomerData(
zuoraClient: Requests,
contributionPlanIds: List[ProductRatePlanId]
): ZuoraAccountId => ApiGatewayOp[ContributionCustomerData] = {
val validateAccount = ValidateAccount.apply _ thenValidate ContributionAccountValidation.apply _
val getValidatedAccount = GetAccount(zuoraClient.get[ZuoraAccount]) _ andValidateWith (
validate = validateAccount,
ifNotFoundReturn = Some("Zuora account id is not valid")
)
val getValidatedPaymentMethod = GetPaymentMethod(zuoraClient.get[PaymentMethodWire]) _ andValidateWith ValidatePaymentMethod.apply _
val validateSubs = ValidateSubscriptions(contributionPlanIds) _
val getValidatedSubs = GetAccountSubscriptions(zuoraClient.get[ZuoraSubscriptionsResponse]) _ andValidateWith validateSubs
val getContactsFromZuora = GetContacts(zuoraClient.get[GetContactsResponse]) _
val getUnvalidatedContacts = getContactsFromZuora.andThen(_.toApiGatewayOp("getting contacts from Zuora"))
GetContributionCustomerData(
getAccount = getValidatedAccount,
getPaymentMethod = getValidatedPaymentMethod,
getContacts = getUnvalidatedContacts,
getAccountSubscriptions = getValidatedSubs,
_
)
}
def getValidatedVoucherCustomerData(zuoraClient: Requests): ZuoraAccountId => ApiGatewayOp[VoucherCustomerData] = {
val validateAccount = ValidateAccount.apply _ thenValidate VoucherAccountValidation.apply _
val getValidatedAccount = GetAccount(zuoraClient.get[ZuoraAccount]) _ andValidateWith (
validate = validateAccount,
ifNotFoundReturn = Some("Zuora account id is not valid")
)
val getValidatedPaymentMethod = GetPaymentMethod(zuoraClient.get[PaymentMethodWire]) _ andValidateWith ValidatePaymentMethod.apply _
val getContacts = GetContacts(zuoraClient.get[GetContactsResponse]) _
val getValidatedContacts = getContacts andValidateWith (ValidateContactsForVoucher.apply _)
GetVoucherCustomerData(
getAccount = getValidatedAccount,
getPaymentMethod = getValidatedPaymentMethod,
getContacts = getValidatedContacts,
_
)
}
case class EmailQueueNames(contributions: QueueName, voucher: QueueName)
def emailQueuesFor(stage: Stage) = stage match {
case Stage("PROD") | Stage("CODE") => EmailQueueNames(contributions = QueueName("contributions-thanks"), voucher = QueueName("subs-welcome-email"))
case _ => EmailQueueNames(contributions = QueueName("contributions-thanks-dev"), voucher = QueueName("subs-welcome-email-dev"))
}
}