Impressia/CoreData/AccountDataHandler.swift

71 lines
2.3 KiB
Swift

//
// https://mczachurski.dev
// Copyright © 2022 Marcin Czachurski and the repository contributors.
// Licensed under the MIT License.
//
import Foundation
import CoreData
class AccountDataHandler {
public static let shared = AccountDataHandler()
private init() { }
func getAccountsData(viewContext: NSManagedObjectContext? = nil) -> [AccountData] {
let context = viewContext ?? CoreDataHandler.shared.container.viewContext
let fetchRequest = AccountData.fetchRequest()
do {
return try context.fetch(fetchRequest)
} catch {
CoreDataError.shared.handle(error, message: "Accounts cannot be retrieved (getAccountsData).")
return []
}
}
func getCurrentAccountData(viewContext: NSManagedObjectContext? = nil) -> AccountData? {
let accounts = self.getAccountsData(viewContext: viewContext)
let defaultSettings = ApplicationSettingsHandler.shared.getDefaultSettings()
let currentAccount = accounts.first { accountData in
accountData.id == defaultSettings.currentAccount
}
if let currentAccount {
return currentAccount
}
return accounts.first
}
func getAccountData(accountId: String, viewContext: NSManagedObjectContext? = nil) -> AccountData? {
let context = viewContext ?? CoreDataHandler.shared.container.viewContext
let fetchRequest = AccountData.fetchRequest()
fetchRequest.fetchLimit = 1
fetchRequest.predicate = NSPredicate(format: "id = %@", accountId)
do {
return try context.fetch(fetchRequest).first
} catch {
CoreDataError.shared.handle(error, message: "Error during fetching status (getAccountData).")
return nil
}
}
func remove(accountData: AccountData) {
let context = CoreDataHandler.shared.container.viewContext
context.delete(accountData)
do {
try context.save()
} catch {
CoreDataError.shared.handle(error, message: "Error during deleting account data (remove).")
}
}
func createAccountDataEntity() -> AccountData {
let context = CoreDataHandler.shared.container.viewContext
return AccountData(context: context)
}
}