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Panos Karampis
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Oct 10, 2024
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src/main/java/dk/panos/promofacie/TransactionListener.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,80 +1,72 @@ | ||
| //package dk.panos.promofacie; | ||
| // | ||
| //import dk.panos.promofacie.kafka.KafkaVerificationService; | ||
| //import dk.panos.promofacie.redis.RedisVerificationService; | ||
| //import dk.panos.promofacie.redis.redis_model.Verification; | ||
| //import dk.panos.promofacie.service.BlockchainVerificationService; | ||
| //import io.quarkus.arc.profile.IfBuildProfile; | ||
| //import io.quarkus.runtime.StartupEvent; | ||
| //import io.smallrye.mutiny.Multi; | ||
| //import io.smallrye.mutiny.Uni; | ||
| //import io.smallrye.mutiny.tuples.Tuple2; | ||
| //import jakarta.enterprise.context.ApplicationScoped; | ||
| //import jakarta.enterprise.event.Observes; | ||
| //import jakarta.inject.Inject; | ||
| //import org.slf4j.Logger; | ||
| //import org.slf4j.LoggerFactory; | ||
| // | ||
| //import java.time.Duration; | ||
| //import java.time.temporal.ChronoUnit; | ||
| //import java.util.function.Function; | ||
| // | ||
| //@ApplicationScoped | ||
| ////@IfBuildProfile("prod") | ||
| //public class TransactionListener { | ||
| // private static Logger log = LoggerFactory.getLogger(TransactionListener.class); | ||
| // @Inject | ||
| // RedisVerificationService verificationService; | ||
| // @Inject | ||
| // BlockchainVerificationService blockchainVerificationService; | ||
| // @Inject | ||
| // KafkaVerificationService kafkaVerificationService; | ||
| // | ||
| // public void listen(@Observes StartupEvent ev) { | ||
| // Multi<Tuple2<Verification, Boolean>> transactionExistsCheck = verificationService.process() | ||
| // .onItem().invoke(items -> log.debug("I have the following items for verification {}", items)) | ||
| // .toMulti() | ||
| // .onItem() | ||
| // .transformToIterable(Function.identity()) | ||
| // .onItem() | ||
| // .invoke(verification -> log.debug("Picked {} for verification", verification)) | ||
| // .onItem() | ||
| // .transformToUni(verification -> | ||
| // blockchainVerificationService.transactionExists(verification.address(), verification.discordId(), verification.dateTime()) | ||
| // .onFailure().invoke(err -> log.error(err.getMessage())) | ||
| // .onFailure().retry().withBackOff(Duration.ofMillis(100)) | ||
| // .atMost(100) | ||
| // .map(outcome -> Tuple2.of(verification, outcome)) | ||
| // ) | ||
| // .merge(); | ||
| // | ||
| // Multi.createFrom().ticks().every(Duration.of(5, ChronoUnit.MINUTES)) | ||
| // .onItem() | ||
| // .invoke(tick -> log.debug("Checking for new transactions on tick {}", tick)).onItem() | ||
| // .transformToMulti(tick -> transactionExistsCheck) | ||
| // .merge() | ||
| // .onItem() | ||
| // .transformToUni(outcome -> { | ||
| // Verification verification = outcome.getItem1(); | ||
| // boolean success = outcome.getItem2(); | ||
| // if (success) { | ||
| // log.debug("Sending success for {}", verification); | ||
| // return kafkaVerificationService.sendSuccess(verification); | ||
| // } else { | ||
| // return verificationService.queue(verification) | ||
| // .onItem().transformToUni(itemsAdded -> { | ||
| // if (itemsAdded > 0) { | ||
| // log.debug("Retrying {}", verification); | ||
| // return Uni.createFrom().voidItem(); | ||
| // } else { | ||
| // log.debug("Sending failure for {} due to reached max amount of tries", verification); | ||
| // return kafkaVerificationService.sendFailure(verification); | ||
| // } | ||
| // }); | ||
| // } | ||
| // }).merge() | ||
| // .onFailure().retry().indefinitely() | ||
| // .subscribe().with(nothing -> { | ||
| // }); | ||
| // } | ||
| //} | ||
| package dk.panos.promofacie; | ||
|
|
||
| import dk.panos.promofacie.kafka.KafkaVerificationService; | ||
| import dk.panos.promofacie.redis.RedisVerificationService; | ||
| import dk.panos.promofacie.redis.redis_model.Verification; | ||
| import dk.panos.promofacie.service.BlockchainVerificationService; | ||
| import io.quarkus.arc.profile.IfBuildProfile; | ||
| import io.quarkus.runtime.StartupEvent; | ||
| import io.quarkus.scheduler.Scheduled; | ||
| import io.smallrye.mutiny.Multi; | ||
| import io.smallrye.mutiny.Uni; | ||
| import io.smallrye.mutiny.tuples.Tuple2; | ||
| import jakarta.enterprise.context.ApplicationScoped; | ||
| import jakarta.enterprise.event.Observes; | ||
| import jakarta.inject.Inject; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import java.time.Duration; | ||
| import java.time.temporal.ChronoUnit; | ||
| import java.util.function.Function; | ||
|
|
||
| @ApplicationScoped | ||
| @IfBuildProfile("prod") | ||
| public class TransactionListener { | ||
| private static Logger log = LoggerFactory.getLogger(TransactionListener.class); | ||
| @Inject | ||
| RedisVerificationService verificationService; | ||
| @Inject | ||
| BlockchainVerificationService blockchainVerificationService; | ||
| @Inject | ||
| KafkaVerificationService kafkaVerificationService; | ||
|
|
||
| @Scheduled(every = "5m") | ||
| Uni<Void> listen() { | ||
| return verificationService.process() | ||
| .onItem().invoke(items -> log.debug("I have the following items for verification {}", items)) | ||
| .toMulti() | ||
| .onItem() | ||
| .transformToIterable(Function.identity()) | ||
| .onItem() | ||
| .invoke(verification -> log.debug("Picked {} for verification", verification)) | ||
| .onItem() | ||
| .transformToUni(verification -> | ||
| blockchainVerificationService.transactionExists(verification.address(), verification.discordId(), verification.dateTime()) | ||
| .onFailure().invoke(err -> log.error(err.getMessage())) | ||
| .onFailure().retry().withBackOff(Duration.ofMillis(100)) | ||
| .atMost(100) | ||
| .map(outcome -> Tuple2.of(verification, outcome)) | ||
| ).merge(4).onItem() | ||
| .transformToUni(outcome -> { | ||
| Verification verification = outcome.getItem1(); | ||
| boolean success = outcome.getItem2(); | ||
| if (success) { | ||
| log.debug("Sending success for {}", verification); | ||
| return kafkaVerificationService.sendSuccess(verification); | ||
| } else { | ||
| return verificationService.queue(verification) | ||
| .onItem().transformToUni(itemsAdded -> { | ||
| if (itemsAdded > 0) { | ||
| log.debug("Retrying {}", verification); | ||
| return Uni.createFrom().voidItem(); | ||
| } else { | ||
| log.debug("Sending failure for {} due to reached max amount of tries", verification); | ||
| return kafkaVerificationService.sendFailure(verification); | ||
| } | ||
| }); | ||
| } | ||
| }) | ||
| .concatenate().collect().asList().replaceWithVoid(); | ||
| } | ||
| } |
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