Updated on 2026-08-14

domain/wallets/src/main/java/com/tangem/domain/wallets/usecase/ApplyUserWalletListSortingUseCase.kt

@@ -0,0 +1,46 @@
+package com.tangem.domain.wallets.usecase
+
+import arrow.core.Either
+import arrow.core.raise.catch
+import arrow.core.raise.either
+import arrow.core.raise.ensure
+import com.tangem.domain.common.wallets.UserWalletTransformAction
+import com.tangem.domain.common.wallets.UserWalletsListRepository
+import com.tangem.domain.models.wallet.UserWalletId
+
+/**
+ * Use case to apply a specific sorting order to a list of user wallets.
+ *
+ * @property userWalletsListRepository Repository for managing user wallets list.
+ */
+class ApplyUserWalletListSortingUseCase(
+    private val userWalletsListRepository: UserWalletsListRepository,
+) {
+
+    /**
+     * Applies the sorting order of the provided list of user wallet IDs.
+     *
+     * @param userWalletIds List of [UserWalletId] representing the desired order.
+     * @return Either an [Error] or Unit on successful completion.
+     */
+    suspend operator fun invoke(userWalletIds: List<UserWalletId>): Either<Error, Unit> = either {
+        ensure(userWalletIds.size > 1) { Error.UnableToSortSingleWallet }
+        catch(
+            block = {
+                userWalletsListRepository.transform(UserWalletTransformAction.Reorder { userWalletIds })
+            },
+            catch = { raise(Error.ReorderError) },
+        )
+    }
+
+    /**
+     * Sealed interface representing possible errors that can occur during the application
+     * of user wallet list sorting.
+     */
+    sealed interface Error {
+
+        data object UnableToSortSingleWallet : Error
+
+        data object ReorderError : Error
+    }
+}