feat: add deletion of medical technology

Author: AndreaGiulianelli

Diff for: src/main/kotlin/application/service/MedicalTechnologyService.kt

@@ -44,4 +44,15 @@ object MedicalTechnologyService {
         override fun execute(): MedicalTechnology? =
             this.medicalTechnologyRepository.findBy(medicalTechnologyId, dateTime)
     }
+
+    /**
+     * Application Service that has the objective of deleting a medical technology
+     * identified by its [medicalTechnologyId] using the provided [medicalTechnologyId].
+     */
+    class DeleteMedicalTechnology(
+        private val medicalTechnologyId: MedicalTechnologyID,
+        private val medicalTechnologyRepository: MedicalTechnologyRepository
+    ) : ApplicationService<Boolean> {
+        override fun execute(): Boolean = this.medicalTechnologyRepository.deleteMedicalTechnology(medicalTechnologyId)
+    }
 }

Diff for: src/main/kotlin/infrastructure/api/APIController.kt

@@ -180,7 +180,17 @@ class APIController(private val provider: ManagerProvider) {
                     )
                 }
                 delete("$apiPath/medical-technologies/{technologyId}") {
-                    call.respondText("[${Thread.currentThread().name}] Medical Technology DELETE!")
+                    call.respond(
+                        MedicalTechnologyService.DeleteMedicalTechnology(
+                            MedicalTechnologyID(call.parameters["technologyId"].orEmpty()),
+                            MedicalTechnologyController(
+                                provider.medicalTechnologyDigitalTwinManager,
+                                provider.medicalTechnologyDatabaseManager
+                            ),
+                        ).execute().let { result ->
+                            if (result) HttpStatusCode.NoContent else HttpStatusCode.NotFound
+                        }
+                    )
                 }
                 patch("$apiPath/medical-technologies/{technologyId}") {
                     call.respondText("[${Thread.currentThread().name}] Medical Technology PATCH!")

Diff for: src/main/kotlin/infrastructure/database/DatabaseManager.kt

@@ -94,9 +94,10 @@ class DatabaseManager(customConnectionString: String? = null) : RoomDatabaseMana
             insertOne(medicalTechnology).wasAcknowledged()
         }
 
-    override fun deleteMedicalTechnology(medicalTechnologyId: MedicalTechnologyID): Boolean {
-        TODO("Not yet implemented")
-    }
+    override fun deleteMedicalTechnology(medicalTechnologyId: MedicalTechnologyID): Boolean =
+        this.medicalTechnologiesCollection.safeMongoDbWrite(defaultResult = false) {
+            deleteOne(MedicalTechnology::id eq medicalTechnologyId).deletedCount > 0
+        }
 
     override fun findBy(medicalTechnologyId: MedicalTechnologyID, dateTime: Instant): MedicalTechnology? =
         this.medicalTechnologiesCollection.findOne { MedicalTechnology::id eq medicalTechnologyId }?.copy(