diff --git a/src/main/kotlin/service/CollectionItemService.kt b/src/main/kotlin/service/CollectionItemService.kt
index bd32b71..8b3986c 100644
--- a/src/main/kotlin/service/CollectionItemService.kt
+++ b/src/main/kotlin/service/CollectionItemService.kt
@@ -148,53 +148,53 @@ class CollectionItemService(private val connection: Connection) {
             throw DbElementNotFoundException("Could not find collection item with id $id")
         }
     }
-}
 
-fun createItemFromResult(resultSet: ResultSet): CollectionItem {
-    try {
-        val id = resultSet.getLong("id")
-        val title = resultSet.getString("title")
-        val author = resultSet.getString("author")
-        val publisher = resultSet.getString("publisher")
-        val publishingDate = resultSet.getDate("publishing_date")
-        val locNumber = resultSet.getString("loc_number")
-        val deweyDecimalNumber = resultSet.getString("dewey_decimal_number")
-        val isbn = resultSet.getLong("isbn")
-        val sortTitle = resultSet.getString("sort_title")
-        val format = resultSet.getString("format")
-        val language = resultSet.getString("language")
-        val pageCount = resultSet.getInt("page_count")
-        val categories = resultSet.getString("categories")
-        val description = resultSet.getString("description")
-        val priceInCents = resultSet.getInt("price_in_cents")
-        val coverImageUri = resultSet.getString("cover_image_uri") ?: ""
-        val isCheckedIn = resultSet.getBoolean("is_checked_in")
-        val isArchived = resultSet.getBoolean("is_archived")
-        val isLost = resultSet.getBoolean("is_lost")
-        val lostDate = resultSet.getDate("lost_date")
-        return CollectionItem(
-            id = id,
-            title = title,
-            author = author,
-            publisher = publisher,
-            publishingDate = publishingDate.toString(),
-            locNumber = locNumber,
-            deweyDecimalNumber = deweyDecimalNumber,
-            isbn = isbn,
-            sortTitle = sortTitle,
-            format = format,
-            language = language,
-            pageCount = pageCount,
-            categories = categories,
-            description = description,
-            priceInCents = priceInCents,
-            coverImageUri = coverImageUri,
-            isCheckedIn = isCheckedIn,
-            isArchived = isArchived,
-            isLost = isLost,
-            lostDate = lostDate.toString()
-        )
-    } catch (cause: NullPointerException) {
-        throw DbElementInsertionException("${cause.message}\nresultSet = ${resultSet.metaData}")
+    private fun createItemFromResult(resultSet: ResultSet): CollectionItem {
+        try {
+            val id = resultSet.getLong("id")
+            val title = resultSet.getString("title")
+            val author = resultSet.getString("author")
+            val publisher = resultSet.getString("publisher")
+            val publishingDate = resultSet.getDate("publishing_date")
+            val locNumber = resultSet.getString("loc_number")
+            val deweyDecimalNumber = resultSet.getString("dewey_decimal_number")
+            val isbn = resultSet.getLong("isbn")
+            val sortTitle = resultSet.getString("sort_title")
+            val format = resultSet.getString("format")
+            val language = resultSet.getString("language")
+            val pageCount = resultSet.getInt("page_count")
+            val categories = resultSet.getString("categories")
+            val description = resultSet.getString("description")
+            val priceInCents = resultSet.getInt("price_in_cents")
+            val coverImageUri = resultSet.getString("cover_image_uri") ?: ""
+            val isCheckedIn = resultSet.getBoolean("is_checked_in")
+            val isArchived = resultSet.getBoolean("is_archived")
+            val isLost = resultSet.getBoolean("is_lost")
+            val lostDate = resultSet.getDate("lost_date")
+            return CollectionItem(
+                id = id,
+                title = title,
+                author = author,
+                publisher = publisher,
+                publishingDate = publishingDate.toString(),
+                locNumber = locNumber,
+                deweyDecimalNumber = deweyDecimalNumber,
+                isbn = isbn,
+                sortTitle = sortTitle,
+                format = format,
+                language = language,
+                pageCount = pageCount,
+                categories = categories,
+                description = description,
+                priceInCents = priceInCents,
+                coverImageUri = coverImageUri,
+                isCheckedIn = isCheckedIn,
+                isArchived = isArchived,
+                isLost = isLost,
+                lostDate = lostDate.toString()
+            )
+        } catch (cause: NullPointerException) {
+            throw DbElementInsertionException("${cause.message}\nresultSet = ${resultSet.metaData}")
+        }
     }
 }