story-research-zapwall/lib/localeStorage.ts
2026-01-07 03:10:40 +01:00

83 lines
2.2 KiB
TypeScript

/**
* IndexedDB storage for locale preference
*/
import { createIndexedDBHelper, type IndexedDBHelper } from './helpers/indexedDBHelper'
const DB_NAME = 'nostr_paywall_settings'
const DB_VERSION = 2 // Incremented to add locale store
const STORE_NAME = 'locale'
export type Locale = 'fr' | 'en'
class LocaleStorageService {
private readonly dbHelper: IndexedDBHelper
constructor() {
this.dbHelper = createIndexedDBHelper({
dbName: DB_NAME,
version: DB_VERSION,
storeName: STORE_NAME,
keyPath: 'key',
})
}
/**
* Get locale from IndexedDB
*/
async getLocale(): Promise<Locale | null> {
try {
const result = await this.dbHelper.get<{ key: string; value: Locale }>('locale')
const locale = result?.value
if (locale === 'fr' || locale === 'en') {
return locale
}
return null
} catch (error) {
console.error('Error retrieving locale from IndexedDB:', error)
return null
}
}
/**
* Save locale to IndexedDB
*/
async saveLocale(locale: Locale): Promise<void> {
try {
await this.dbHelper.put({ key: 'locale', value: locale })
} catch (error) {
console.error('Error saving locale to IndexedDB:', error)
throw error
}
}
/**
* Migrate locale from localStorage to IndexedDB if it exists
*/
async migrateFromLocalStorage(): Promise<void> {
if (typeof window === 'undefined') {
return
}
try {
const LOCALE_STORAGE_KEY = 'zapwall-locale'
const storedLocale = window.localStorage.getItem(LOCALE_STORAGE_KEY) as Locale | null
if (storedLocale && (storedLocale === 'fr' || storedLocale === 'en')) {
// Check if already in IndexedDB
const existingLocale = await this.getLocale()
if (!existingLocale) {
// Migrate from localStorage to IndexedDB
await this.saveLocale(storedLocale)
// Remove from localStorage after successful migration
window.localStorage.removeItem(LOCALE_STORAGE_KEY)
}
}
} catch (error) {
console.error('Error migrating locale from localStorage:', error)
}
}
}
export const localeStorage = new LocaleStorageService()