session-ios/SessionUIKit/Database/Migrations/_001_ThemePreferences.swift

50 lines
2.3 KiB
Swift

// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
import Foundation
import GRDB
import SessionUtilitiesKit
/// This migration extracts an old theme preference from UserDefaults and saves it to the database as well as set the default for the other
/// theme preferences
enum _001_ThemePreferences: Migration {
static let target: TargetMigrations.Identifier = .uiKit
static let identifier: String = "ThemePreferences" // stringlint:disable
static let needsConfigSync: Bool = false
static let minExpectedRunDuration: TimeInterval = 0.1
static let fetchedTables: [(TableRecord & FetchableRecord).Type] = [Identity.self]
static let createdOrAlteredTables: [(TableRecord & FetchableRecord).Type] = []
static func migrate(_ db: Database) throws {
// Determine if the user was matching the system setting (previously the absence of this value
// indicated that the app should match the system setting)
let isExistingUser: Bool = Identity.userExists(db)
let hadCustomLegacyThemeSetting: Bool = UserDefaults.standard.dictionaryRepresentation()
.keys
.contains("appMode") // stringlint:disable
let matchSystemNightModeSetting: Bool = (isExistingUser && !hadCustomLegacyThemeSetting)
let targetTheme: Theme = (!hadCustomLegacyThemeSetting ?
Theme.classicDark :
(UserDefaults.standard.integer(forKey: "appMode") == 0 ? // stringlint:disable
Theme.classicLight :
Theme.classicDark
)
)
let targetPrimaryColor: Theme.PrimaryColor = .green
// Save the settings
db[.themeMatchSystemDayNightCycle] = matchSystemNightModeSetting
db[.theme] = targetTheme
db[.themePrimaryColor] = targetPrimaryColor
// Looks like the ThemeManager will load it's default values before this migration gets run
// as a result we need to update the ThemeManager to ensure the correct theme is applied
ThemeManager.setInitialThemeState(
theme: targetTheme,
primaryColor: targetPrimaryColor,
matchSystemNightModeSetting: matchSystemNightModeSetting
)
Storage.update(progress: 1, for: self, in: target) // In case this is the last migration
}
}