Updated on 2026-08-14

common/ui/src/main/java/com/tangem/common/ui/account/AccountNameUM.kt

@@ -0,0 +1,56 @@
+package com.tangem.common.ui.account
+
+import androidx.compose.runtime.Immutable
+import arrow.core.Either
+import arrow.core.raise.either
+import com.tangem.core.ui.R
+import com.tangem.core.ui.extensions.TextReference
+import com.tangem.core.ui.extensions.resourceReference
+import com.tangem.core.ui.extensions.stringReference
+import com.tangem.domain.models.account.AccountName
+
+/**
+ * Represents a user model (UM) for an [AccountName] in the UI layer.
+ * This sealed interface provides a way to handle different types of account names.
+ */
+@Immutable
+sealed interface AccountNameUM {
+
+    /** The textual representation of the account name */
+    val value: TextReference
+
+    /**
+     * Represents the default main account name.
+     * If the user renames the main account, it will be converted to a [Custom] account name.
+     */
+    data object DefaultMain : AccountNameUM {
+
+        override val value: TextReference = resourceReference(R.string.account_main_account_title)
+    }
+
+    /**
+     * Represents a custom account name provided by the user
+     *
+     * @property raw the raw string value of the custom account name
+     */
+    class Custom(internal val raw: String) : AccountNameUM {
+
+        override val value: TextReference = stringReference(value = raw)
+    }
+}
+
+/** Extension function to convert a domain model [AccountName] to its corresponding UI model [AccountNameUM] */
+fun AccountName.toUM(): AccountNameUM {
+    return when (this) {
+        is AccountName.Custom -> AccountNameUM.Custom(raw = value)
+        AccountName.DefaultMain -> AccountNameUM.DefaultMain
+    }
+}
+
+/** Extension function to convert a UI model [AccountNameUM] to its corresponding domain model [AccountName] */
+fun AccountNameUM.toDomain(): Either<AccountName.Error, AccountName> = either {
+    when (this@toDomain) {
+        is AccountNameUM.Custom -> AccountName(value = raw).bind()
+        AccountNameUM.DefaultMain -> AccountName.DefaultMain
+    }
+}