TranslatedString Realm Model

TranslatedString.swift

// Example approach for modeling localized strings in Realm

import Foundation
import RealmSwift

enum Locale: String {
    case English = "en"
    case French = "fr"
}

class RealmLocale: Object {
    var locale: Locale {
        get { return Locale(rawValue: localeString)! }
        set { localeString = newValue.rawValue }
    }
    dynamic var localeString = Locale.English.rawValue
}

class TranslatedString: Object {
    dynamic var locale: RealmLocale? = RealmLocale()
    dynamic var value = ""
}

class LocaleString: Object {
    var locale = Locale.English
    let translations = List<TranslatedString>()
    var value: String {
        return translations.filter("locale.localeString = %@", locale.rawValue).first!.value
    }
}

let realm = try! Realm(configuration: Realm.Configuration(inMemoryIdentifier: "TemporaryRealm"))

realm.beginWrite()
let en = RealmLocale()
en.locale = .English
let fr = RealmLocale()
fr.locale = .French
let grapefruit = TranslatedString()
grapefruit.locale = en
grapefruit.value = "grapefruit"
let pamplemousse = TranslatedString()
pamplemousse.locale = fr
pamplemousse.value = "pamplemousse"
let translatedGrapefruit = LocaleString()
translatedGrapefruit.translations.appendContentsOf([grapefruit, pamplemousse])
realm.add(translatedGrapefruit)
try! realm.commitWrite()

translatedGrapefruit.value // => 'grapefruit'
translatedGrapefruit.locale = .French
translatedGrapefruit.value // => 'pamplemousse'