Updated on 2026-08-14

domain/settings/src/main/java/com/tangem/domain/settings/repositories/SettingsRepository.kt

@@ -1,5 +1,7 @@
 package com.tangem.domain.settings.repositories
 
+import com.tangem.domain.settings.usercountry.models.UserCountry
+
 interface SettingsRepository {
 
     suspend fun shouldShowSaveUserWalletScreen(): Boolean
@@ -33,4 +35,8 @@ interface SettingsRepository {
     suspend fun shouldShowMarketsTooltip(): Boolean
 
     suspend fun setMarketsTooltipShown(value: Boolean)
+
+    suspend fun getUserCountryCodeSync(): UserCountry?
+
+    suspend fun fetchUserCountryCode()
 }

domain/settings/src/main/java/com/tangem/domain/settings/usercountry/FetchUserCountryUseCase.kt

@@ -0,0 +1,28 @@
+package com.tangem.domain.settings.usercountry
+
+import arrow.core.Either
+import arrow.core.raise.catch
+import arrow.core.raise.either
+import com.tangem.domain.settings.repositories.SettingsRepository
+import com.tangem.domain.settings.usercountry.models.UserCountryError
+
+/**
+ * Fetch user country use case
+ *
+ * @property settingsRepository settings repository
+ *
+[REDACTED_AUTHOR]
+ */
+class FetchUserCountryUseCase(
+    private val settingsRepository: SettingsRepository,
+) {
+
+    suspend operator fun invoke(): Either<UserCountryError, Unit> {
+        return either {
+            catch(
+                block = { settingsRepository.fetchUserCountryCode() },
+                catch = { raise(UserCountryError.DataError) },
+            )
+        }
+    }
+}

domain/settings/src/main/java/com/tangem/domain/settings/usercountry/GetUserCountryUseCase.kt

@@ -0,0 +1,34 @@
+package com.tangem.domain.settings.usercountry
+
+import arrow.core.Either
+import arrow.core.raise.catch
+import arrow.core.raise.either
+import arrow.core.raise.ensureNotNull
+import com.tangem.domain.settings.repositories.SettingsRepository
+import com.tangem.domain.settings.usercountry.models.UserCountry
+import com.tangem.domain.settings.usercountry.models.UserCountryError
+
+/**
+ * Get user country code use case
+ *
+ * @property settingsRepository settings repository
+ *
+[REDACTED_AUTHOR]
+ */
+class GetUserCountryUseCase(
+    private val settingsRepository: SettingsRepository,
+) {
+
+    suspend operator fun invoke(): Either<UserCountryError, UserCountry> {
+        return either {
+            val userCountryCode = catch(
+                block = { settingsRepository.getUserCountryCodeSync() },
+                catch = { raise(UserCountryError.DataError) },
+            )
+
+            ensureNotNull(userCountryCode) { UserCountryError.NotSetup }
+
+            userCountryCode
+        }
+    }
+}

domain/settings/src/main/java/com/tangem/domain/settings/usercountry/models/UserCountry.kt

@@ -0,0 +1,13 @@
+package com.tangem.domain.settings.usercountry.models
+
+/**
+ * User country
+ *
+[REDACTED_AUTHOR]
+ */
+sealed class UserCountry(open val code: String) {
+
+    data object Russia : UserCountry("ru")
+
+    data class Other(override val code: String) : UserCountry(code)
+}

domain/settings/src/main/java/com/tangem/domain/settings/usercountry/models/UserCountryError.kt

@@ -0,0 +1,15 @@
+package com.tangem.domain.settings.usercountry.models
+
+/**
+ * User country error
+ *
+[REDACTED_AUTHOR]
+ */
+sealed interface UserCountryError {
+
+    /** User country is still loading */
+    data object NotSetup : UserCountryError
+
+    /** Data error */
+    data object DataError : UserCountryError
+}