Add RequestService to handle access to requests

src/main/kotlin/dev/dnpm/etl/processor/services/RequestProcessor.kt

@@ -21,7 +21,10 @@ package dev.dnpm.etl.processor.services
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import de.ukw.ccc.bwhc.dto.MtbFile
-import dev.dnpm.etl.processor.monitoring.*
+import dev.dnpm.etl.processor.monitoring.Report
+import dev.dnpm.etl.processor.monitoring.Request
+import dev.dnpm.etl.processor.monitoring.RequestStatus
+import dev.dnpm.etl.processor.monitoring.RequestType
 import dev.dnpm.etl.processor.output.MtbFileSender
 import dev.dnpm.etl.processor.pseudonym.PseudonymizeService
 import org.apache.commons.codec.binary.Base32
@@ -35,7 +38,7 @@ import java.util.*
 class RequestProcessor(
     private val pseudonymizeService: PseudonymizeService,
     private val senders: List<MtbFileSender>,
-    private val requestRepository: RequestRepository,
+    private val requestService: RequestService,
     private val objectMapper: ObjectMapper,
     private val statisticsUpdateProducer: Sinks.Many<Any>
 ) {
@@ -46,7 +49,7 @@ class RequestProcessor(
         val pid = mtbFile.patient.id
         val pseudonymized = pseudonymizeService.pseudonymize(mtbFile)
 
-        val allRequests = requestRepository.findAllByPatientIdOrderByProcessedAtDesc(pseudonymized.patient.id)
+        val allRequests = requestService.allRequestsByPatientPseudonym(pseudonymized.patient.id)
 
         val lastMtbFileRequestForPatient = allRequests
                 .filter { it.type == RequestType.MTB_FILE }
@@ -55,7 +58,7 @@ class RequestProcessor(
         val isLastRequestDeletion = allRequests.firstOrNull()?.type == RequestType.DELETE
 
         if (null != lastMtbFileRequestForPatient && lastMtbFileRequestForPatient.fingerprint == fingerprint(mtbFile) && !isLastRequestDeletion) {
-            requestRepository.save(
+            requestService.save(
                 Request(
                     patientId = pseudonymized.patient.id,
                     pid = pid,
@@ -99,7 +102,7 @@ class RequestProcessor(
             RequestStatus.UNKNOWN
         }
 
-        requestRepository.save(
+        requestService.save(
             Request(
                 uuid = request.requestId,
                 patientId = request.mtbFile.patient.id,
@@ -165,7 +168,7 @@ class RequestProcessor(
                 RequestStatus.UNKNOWN
             }
 
-            requestRepository.save(
+            requestService.save(
                 Request(
                     uuid = requestId,
                     patientId = patientPseudonym,
@@ -181,7 +184,7 @@ class RequestProcessor(
                 )
             )
         } catch (e: Exception) {
-            requestRepository.save(
+            requestService.save(
                 Request(
                     uuid = requestId,
                     patientId = "???",

src/main/kotlin/dev/dnpm/etl/processor/services/RequestService.kt

@@ -0,0 +1,56 @@
+/*
+ * This file is part of ETL-Processor
+ *
+ * Copyright (c) 2023  Comprehensive Cancer Center Mainfranken, Datenintegrationszentrum Philipps-Universität Marburg and Contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package dev.dnpm.etl.processor.services
+
+import dev.dnpm.etl.processor.monitoring.Request
+import dev.dnpm.etl.processor.monitoring.RequestRepository
+import dev.dnpm.etl.processor.monitoring.RequestStatus
+import dev.dnpm.etl.processor.monitoring.RequestType
+import org.springframework.stereotype.Service
+
+@Service
+class RequestService(
+    private val requestRepository: RequestRepository
+) {
+
+    fun save(request: Request) = requestRepository.save(request)
+
+    fun allRequestsByPatientPseudonym(patientPseudonym: String) = requestRepository
+        .findAllByPatientIdOrderByProcessedAtDesc(patientPseudonym)
+
+    fun lastMtbFileRequestForPatientPseudonym(patientPseudonym: String) =
+        Companion.lastMtbFileRequestForPatientPseudonym(allRequestsByPatientPseudonym(patientPseudonym))
+
+    fun isLastRequestDeletion(patientPseudonym: String) =
+        Companion.isLastRequestDeletion(allRequestsByPatientPseudonym(patientPseudonym))
+
+    companion object {
+
+        fun lastMtbFileRequestForPatientPseudonym(allRequests: List<Request>) = allRequests
+            .filter { it.type == RequestType.MTB_FILE }
+            .sortedByDescending { it.processedAt }
+            .firstOrNull { it.status == RequestStatus.SUCCESS || it.status == RequestStatus.WARNING }
+
+        fun isLastRequestDeletion(allRequests: List<Request>) = allRequests
+            .maxByOrNull { it.processedAt }?.type == RequestType.DELETE
+
+    }
+
+}