new ReadOneToManyKeyValueRepo#keys

repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/one_to_many/KtorReadOneToManyKeyValueRepo.kt

@@ -42,6 +42,18 @@ class KtorReadOneToManyKeyValueRepo<Key, Value> (
         paginationKeyResultSerializer
     )
 
+    override suspend fun keys(v: Value, pagination: Pagination, reversed: Boolean): PaginationResult<Key> = client.uniget(
+        buildStandardUrl(
+            baseUrl,
+            keysRoute,
+            mapOf(
+                valueParameterName to valueSerializer.encodeUrlQueryValue(v),
+                reversedParameterName to Boolean.serializer().encodeUrlQueryValue(reversed)
+            ) + pagination.asUrlQueryParts
+        ),
+        paginationKeyResultSerializer
+    )
+
     override suspend fun contains(k: Key): Boolean = client.uniget(
         buildStandardUrl(
             baseUrl,

repos/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/ktor/server/one_to_many/ConfigureOneToManyReadKeyValueRepoRoutes.kt

@@ -42,8 +42,17 @@ fun <Key, Value> Route.configureOneToManyReadKeyValueRepoRoutes(
             reversedParameterName,
             Boolean.serializer()
         ) ?: false
+        val value: Value? = call.decodeUrlQueryValue(
+            valueParameterName,
+            valueSealizer
+        )
 
-        call.unianswer(
+        value ?.also {
+            call.unianswer(
+                paginationKeyResult,
+                originalRepo.keys(value, pagination, reversed)
+            )
+        } ?: call.unianswer(
             paginationKeyResult,
             originalRepo.keys(pagination, reversed)
         )