MsgFilter.scala 1.65 KB
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package ch.memobase

import java.text.SimpleDateFormat

import ch.memobase.models.Report
import org.apache.kafka.clients.consumer.ConsumerRecord

import scala.collection.JavaConverters._

trait MsgFilter {

  private val dateFormatter = new SimpleDateFormat("YYYY-MM-dd'T'HH:mm:ss.SSS")

  type FilterFun = ConsumerRecord[String, String] => Boolean

  val sessionIdFilter: String => FilterFun =
    sessionId => rec =>
      rec.headers()
        .headers("sessionId")
        .asScala
        .map(header => new String(header.value()))
        .exists(v => v == sessionId)

  val recordSetIdFilter: String => FilterFun =
    recordSetId => rec =>
      rec.headers()
        .headers("recordSetId")
        .asScala
        .map(header => new String(header.value()))
        .exists(v => v == recordSetId)

  val institutionIdFilter: String => FilterFun =
    institutionId => rec =>
      rec.headers()
        .headers("institutionId")
        .asScala
        .map(header => new String(header.value()))
        .exists(v => v == institutionId)

  val createRecordIdFilter: String => FilterFun =
    recordId => rec =>
      Report(rec.value()).id == recordId

  val createdAfterFilter: String => FilterFun =
    timestamp => rec => {
      val recordTimestamp = Report(rec.value()).timestamp
      recordTimestamp == timestamp ||
        dateFormatter.parse(timestamp).after(dateFormatter.parse(recordTimestamp))
    }

  val createdBeforeFilter: String => FilterFun =
    timestamp => rec => {
      val recordTimestamp = Report(rec.value()).timestamp
      recordTimestamp == timestamp ||
        dateFormatter.parse(timestamp).before(dateFormatter.parse(recordTimestamp))
    }

}