n52 created

Author: Nick Grippin

publication/src/main/scala/hmda/publication/reports/national/N52.scala

@@ -0,0 +1,99 @@
+package hmda.publication.reports.aggregate
+
+import java.util.Calendar
+
+import akka.NotUsed
+import akka.stream.scaladsl.Source
+import hmda.model.publication.reports.ApplicantIncomeEnum._
+import hmda.model.publication.reports.{ ApplicantIncome, Disposition, MSAReport }
+import hmda.publication.reports._
+import hmda.publication.reports.national.NationalAggregateReport
+import hmda.publication.reports.util.DateUtil._
+import hmda.publication.reports.util.ReportUtil._
+import hmda.publication.reports.util.ReportsMetaDataLookup
+import hmda.query.model.filing.LoanApplicationRegisterQuery
+
+import scala.concurrent.Future
+
+case class N52(
+                year: Int,
+                reportDate: String,
+                applicantIncomes: List[ApplicantIncome],
+                total: List[Disposition],
+                table: String = N52.metaData.reportTable,
+                description: String = N52.metaData.description
+              ) extends NationalAggregateReport
+
+object N52 {
+  val metaData = ReportsMetaDataLookup.values("N52")
+  val dispositions = metaData.dispositions
+
+  // Table filters:
+  // Loan Type 1
+  // Property Type 1,2
+  // Purpose of Loan 1
+  def generate[ec: EC, mat: MAT, as: AS](larSource: Source[LoanApplicationRegisterQuery, NotUsed]): Future[N52] = {
+    val lars = larSource
+      .filter { lar =>
+        (lar.loanType == 1) &&
+          (lar.propertyType == 1 || lar.propertyType == 2) &&
+          (lar.purpose == 1)
+      }
+
+    val larsWithIncome = lars.filter(lar => lar.income != "NA")
+    val incomeIntervals = calculateMedianIncomeIntervals(fipsCode)
+
+    val larsByIncome = larsByIncomeInterval(larsWithIncome, incomeIntervals)
+    val borrowerCharacteristicsByIncomeF = borrowerCharacteristicsByIncomeInterval(larsByIncome, dispositions)
+
+    val yearF = calculateYear(larSource)
+    val totalF = calculateDispositions(lars, dispositions)
+
+    for {
+      lars50BorrowerCharacteristics <- borrowerCharacteristicsByIncomeF(LessThan50PercentOfMSAMedian)
+      lars50To79BorrowerCharacteristics <- borrowerCharacteristicsByIncomeF(Between50And79PercentOfMSAMedian)
+      lars80To99BorrowerCharacteristics <- borrowerCharacteristicsByIncomeF(Between80And99PercentOfMSAMedian)
+      lars100To120BorrowerCharacteristics <- borrowerCharacteristicsByIncomeF(Between100And119PercentOfMSAMedian)
+      lars120BorrowerCharacteristics <- borrowerCharacteristicsByIncomeF(GreaterThan120PercentOfMSAMedian)
+
+      year <- yearF
+      total <- totalF
+    } yield {
+      val income50 = ApplicantIncome(
+        LessThan50PercentOfMSAMedian,
+        lars50BorrowerCharacteristics
+      )
+      val income50To79 = ApplicantIncome(
+        Between50And79PercentOfMSAMedian,
+        lars50To79BorrowerCharacteristics
+      )
+      val income80To99 = ApplicantIncome(
+        Between80And99PercentOfMSAMedian,
+        lars80To99BorrowerCharacteristics
+      )
+      val income100To120 = ApplicantIncome(
+        Between100And119PercentOfMSAMedian,
+        lars100To120BorrowerCharacteristics
+      )
+      val income120 = ApplicantIncome(
+        GreaterThan120PercentOfMSAMedian,
+        lars120BorrowerCharacteristics
+      )
+
+      val applicantIncomes = List(
+        income50,
+        income50To79,
+        income80To99,
+        income100To120,
+        income120
+      )
+
+      N52(
+        year,
+        formatDate(Calendar.getInstance().toInstant),
+        applicantIncomes,
+        total
+      )
+    }
+  }
+}

publication/src/main/scala/hmda/publication/reports/national/NationalAggregateReport.scala

@@ -0,0 +1,14 @@
+package hmda.publication.reports.national
+
+import hmda.model.publication.reports.ReportTypeEnum.NationalAggregate
+import hmda.model.publication.reports.ReportTypeEnum
+
+trait NationalAggregateReport {
+
+  val description: String
+  val table: String
+  val year: Int
+
+  val reportType: ReportTypeEnum = NationalAggregate
+
+}