Implements Hunt basic create and get, and adds field validation to controllers

src/main/kotlin/net/halfbinary/scavengerhuntapi/service/HuntService.kt

@@ -0,0 +1,36 @@
+package net.halfbinary.scavengerhuntapi.service
+
+import net.halfbinary.scavengerhuntapi.error.exception.NotFoundException
+import net.halfbinary.scavengerhuntapi.model.HuntId
+import net.halfbinary.scavengerhuntapi.model.HunterId
+import net.halfbinary.scavengerhuntapi.model.converter.toDomain
+import net.halfbinary.scavengerhuntapi.model.converter.toRecord
+import net.halfbinary.scavengerhuntapi.model.domain.Hunt
+import net.halfbinary.scavengerhuntapi.model.request.HuntStatus
+import net.halfbinary.scavengerhuntapi.repository.HuntRepository
+import org.springframework.data.repository.findByIdOrNull
+import org.springframework.stereotype.Service
+
+@Service
+class HuntService(private val huntRepository: HuntRepository) {
+    fun getHunt(huntId: HuntId): Hunt {
+        return huntRepository.findByIdOrNull(huntId)?.toDomain() ?: throw NotFoundException("No hunt with id ${huntId} found")
+    }
+
+    fun getAllHunts(status: HuntStatus?): List<Hunt> {
+        return when(status) {
+            HuntStatus.UNSTARTED -> huntRepository.findAllUnstarted().map { it.toDomain() }
+            HuntStatus.ONGOING -> huntRepository.findAllOngoing().map { it.toDomain() }
+            HuntStatus.CLOSED -> huntRepository.findAllClosed().map { it.toDomain() }
+            else -> huntRepository.findAll().map { it.toDomain() }
+        }
+    }
+
+    fun getHuntsByHunter(hunterId: HunterId): List<Hunt> {
+        return huntRepository.findAllOngoingByHunter(hunterId).map { it.toDomain() }
+    }
+
+    fun createHunt(hunt: Hunt): Hunt {
+        return huntRepository.save(hunt.toRecord()).toDomain()
+    }
+}