Fix fields update

app/src/main/java/net/pokeranalytics/android/model/realm/CustomField.kt

@@ -5,10 +5,9 @@ import io.realm.RealmList
 import io.realm.RealmObject
 import io.realm.annotations.Ignore
 import io.realm.annotations.PrimaryKey
-import io.realm.kotlin.where
 import net.pokeranalytics.android.R
 import net.pokeranalytics.android.model.interfaces.DeleteValidityStatus
-import net.pokeranalytics.android.model.interfaces.Manageable
+import net.pokeranalytics.android.model.interfaces.NameManageable
 import net.pokeranalytics.android.model.interfaces.SaveValidityStatus
 import net.pokeranalytics.android.ui.adapter.StaticRowRepresentableDataSource
 import net.pokeranalytics.android.ui.view.RowRepresentable
@@ -18,7 +17,7 @@ import net.pokeranalytics.android.ui.view.rowrepresentable.SimpleRow
 import java.util.*
 
 
-open class CustomField : RealmObject(), Manageable, StaticRowRepresentableDataSource, RowRepresentable {
+open class CustomField : RealmObject(), NameManageable, StaticRowRepresentableDataSource, RowRepresentable {
 
 	enum class Type(var resId: Int) {
 		LIST(R.string.enum_custom_field_type),
@@ -40,7 +39,7 @@ open class CustomField : RealmObject(), Manageable, StaticRowRepresentableDataSo
 	override var id = UUID.randomUUID().toString()
 
 	// The name of the currency field
-	var name: String = ""
+	override var name: String = ""
 
 	// Migration
 	var type: Int = Type.LIST.ordinal
@@ -75,12 +74,14 @@ open class CustomField : RealmObject(), Manageable, StaticRowRepresentableDataSo
 	}
 
 	override fun alreadyExists(realm: Realm): Boolean {
-		return realm.where<CustomField>().equalTo("id", id).findFirst() != null
+		return realm.where(this::class.java).equalTo("name", this.name).and().notEqualTo("id", this.id).findAll().isNotEmpty()
 	}
 
 	override fun getFailedSaveMessage(status: SaveValidityStatus): Int {
-		//TODO:
-		return R.string.relationship_error
+		return when (status) {
+			SaveValidityStatus.DATA_INVALID -> R.string.cf_empty_field_error
+			else -> super.getFailedSaveMessage(status)
+		}
 	}
 
 	override fun isValidForDelete(realm: Realm): Boolean {