update for memory leak

- fix memory leak in MeasurementRepository
- add logging in MeasurementService
- update catalog version

src/main/kotlin/ltd/hlaeja/repository/MeasurementRepository.kt

@@ -15,6 +15,8 @@ class MeasurementRepository(
     private val properties: InfluxDbProperties,
 ) {
 
+    private val writeApi = influxDBClient.makeWriteApi()
+
     companion object {
         const val BY_NODE_QUERY: String = """
           from(bucket: "%s")
@@ -29,9 +31,7 @@ class MeasurementRepository(
 
     suspend fun save(
         point: Point,
-    ) = withContext(Dispatchers.IO) {
-        influxDBClient.makeWriteApi().writePoint(point)
-    }
+    ) = withContext(Dispatchers.IO) { writeApi.writePoint(point) }
 
     suspend fun getByNode(
         client: UUID,

src/main/kotlin/ltd/hlaeja/service/MeasurementService.kt

@@ -4,10 +4,13 @@ import com.influxdb.client.write.Point
 import java.util.UUID
 import ltd.hlaeja.library.deviceData.MeasurementData
 import ltd.hlaeja.repository.MeasurementRepository
+import mu.KotlinLogging
 import org.springframework.http.HttpStatus.NOT_FOUND
 import org.springframework.stereotype.Service
 import org.springframework.web.server.ResponseStatusException
 
+private val log = KotlinLogging.logger {}
+
 @Service
 class MeasurementService(
     private val repository: MeasurementRepository,
@@ -19,7 +22,10 @@ class MeasurementService(
     ): MeasurementData.Response {
         val result = repository.getByNode(client, node)
         if (result.isEmpty()) {
-            throw ResponseStatusException(NOT_FOUND, "No data for client: $client, device: $node")
+            "No data for client: $client, node: $node".also {
+                log.warn { it }
+                throw ResponseStatusException(NOT_FOUND, it)
+            }
         }
         val latestData = mutableMapOf<String, Number>()
         result.forEach { table ->
@@ -27,6 +33,7 @@ class MeasurementService(
                 latestData[record.getValueByKey("_field") as String] = record.value as Number
             }
         }
+        log.info { "Load data for client $client" }
         return MeasurementData.Response(latestData)
     }
 
@@ -38,7 +45,10 @@ class MeasurementService(
             addTags(request.tags, point)
             addFields(request.fields, point)
         }
-        .let { point -> repository.save(point) }
+        .let { point ->
+            repository.save(point)
+            log.debug { "Save data for client $client" }
+        }
 
     private suspend fun addFields(
         measurements: Map<String, Number>,

src/test/kotlin/ltd/hlaeja/repository/MeasurementRepositoryTest.kt

@@ -19,16 +19,15 @@ import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.BeforeEach
 
 class MeasurementRepositoryTest {
-
     private val client: InfluxDBClient = mockk()
     private val properties: InfluxDbProperties = mockk()
     private val writeApi: WriteApi = mockk()
     private val queryApi: QueryApi = mockk()
-
     private lateinit var repository: MeasurementRepository
 
     @BeforeEach
     fun setUp() {
+        every { client.makeWriteApi() } returns writeApi
         repository = MeasurementRepository(client, properties)
     }
 
@@ -36,8 +35,6 @@ class MeasurementRepositoryTest {
     fun `save point to influxdb`() = runTest {
         // given
         val point = Point.measurement("test").addField("value", 12.3)
-
-        every { client.makeWriteApi() } returns writeApi
         every { writeApi.writePoint(any()) } just Runs
 
         // when

src/test/kotlin/ltd/hlaeja/service/MeasurementServiceTest.kt

@@ -65,7 +65,7 @@ class MeasurementServiceTest {
         // then
         assertEquals(NOT_FOUND, exception.statusCode)
         assertEquals(
-            "No data for client: 00000000-0000-0000-0000-000000000000, device: 00000000-0000-0000-0000-000000000000",
+            "No data for client: 00000000-0000-0000-0000-000000000000, node: 00000000-0000-0000-0000-000000000000",
             exception.reason,
         )
     }