Implements getting items for a hunt

src/main/kotlin/net/halfbinary/scavengerhuntapi/controller/ItemController.kt

@@ -25,7 +25,7 @@ class ItemController(private val huntService: HuntService) {
 
     @GetMapping
     fun getItemsForHunt(@PathVariable huntId: HuntId): ResponseEntity<List<ItemResponse>> {
-        TODO("List the Items related to the specified Hunt")
+        return ResponseEntity.ok(huntService.getItemsForHunt(huntId).map { it.toResponse() })
     }
 
     @GetMapping("/{itemId}")

src/main/kotlin/net/halfbinary/scavengerhuntapi/repository/ItemRepository.kt

@@ -1,9 +1,19 @@
 package net.halfbinary.scavengerhuntapi.repository
 
+import net.halfbinary.scavengerhuntapi.model.HuntId
 import net.halfbinary.scavengerhuntapi.model.ItemId
 import net.halfbinary.scavengerhuntapi.model.record.ItemRecord
 import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.data.jpa.repository.Query
 import org.springframework.stereotype.Repository
 
 @Repository
-interface ItemRepository : JpaRepository<ItemRecord, ItemId>
+interface ItemRepository : JpaRepository<ItemRecord, ItemId> {
+    @Query("""
+        SELECT i.*
+            FROM item i
+                 INNER JOIN hunt_item hi ON i.id = hi.item_id
+            WHERE hi.hunt_id = :huntId
+    """, nativeQuery = true)
+    fun findAllByHuntId(huntId: HuntId): List<ItemRecord>
+}

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

@@ -64,6 +64,11 @@ class HuntService(
         return huntRepository.save(hunt.toRecord()).toDomain()
     }
 
+    fun getItemsForHunt(huntId: HuntId): List<Item> {
+        huntRepository.findByIdOrNull(huntId) ?: throw NotFoundException("No hunt with id $huntId found")
+        return itemRepository.findAllByHuntId(huntId).map { it.toDomain() }
+    }
+
     fun addItemToHunt(huntId: HuntId, item: Item): Item {
         huntRepository.findByIdOrNull(huntId) ?: throw NotFoundException("No hunt with id $huntId found")
         val savedItem = itemRepository.save(item.toRecord()).toDomain()