chore: create time series medical technology usage data model

src/main/kotlin/application/presenter/database/model/TimeSeriesMedicalTechnologyUsage.kt

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2023. Smart Operating Block
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package application.presenter.database.model
+
+import entity.medicaltechnology.MedicalTechnologyID
+import entity.zone.RoomID
+import kotlinx.serialization.Contextual
+import kotlinx.serialization.Serializable
+import java.time.Instant
+
+/**
+ * This class models a time series data of a medical technology.
+ * This data is respect to a specific [dateTime].
+ * Its [metadata] will be useful in order to correctly interpret the carried [value].
+ */
+@Serializable
+data class TimeSeriesMedicalTechnologyUsage(
+    @Contextual val dateTime: Instant,
+    val metadata: TimeSeriesMedicalTechnologyMetadata,
+    val value: Boolean
+)
+
+/**
+ * This class represents the metadata about data in time series.
+ * It contains the [medicalTechnologyId] respect to which the usage is referred and the [roomId] in which happened.
+ */
+@Serializable
+data class TimeSeriesMedicalTechnologyMetadata(val medicalTechnologyId: MedicalTechnologyID, val roomId: RoomID)