Swiftgram/submodules/TelegramCore/Sources/Settings/ReactionSettings.swift

import Postbox
import SwiftSignalKit

public struct ReactionSettings: Equatable, Codable {
    public static var `default` = ReactionSettings(quickReaction: "👍")

    public var quickReaction: String

    public init(quickReaction: String) {
        self.quickReaction = quickReaction
    }
}

public func updateReactionSettingsInteractively(postbox: Postbox, _ f: @escaping (ReactionSettings) -> ReactionSettings) -> Signal<Never, NoError> {
    return postbox.transaction { transaction -> Void in
        transaction.updatePreferencesEntry(key: PreferencesKeys.reactionSettings, { current in
            let previous = current?.get(ReactionSettings.self) ?? ReactionSettings.default
            let updated = f(previous)
            return PreferencesEntry(updated)
        })
    }
    |> ignoreValues
}