androidMain.com.algolia.instantsearch.insights.internal.extension.SharedPreferencesDelegate.kt Maven / Gradle / Ivy

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InstantSearch Android is a library providing widgets and helpers to help you build the best instant-search experience on Android with Algolia. It is built on top of Algolia's Kotlin API Client to provide you a high-level solution to quickly build various search interfaces.

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package com.algolia.instantsearch.insights.internal.extension

import android.content.SharedPreferences
import kotlin.properties.ReadWriteProperty
import kotlin.reflect.KProperty

internal sealed class SharedPreferencesDelegate(
    protected val default: T,
    protected val key: kotlin.String? = null,
) : ReadWriteProperty {

    class Int(default: kotlin.Int, key: kotlin.String? = null) : SharedPreferencesDelegate(default, key) {

        override fun getValue(thisRef: SharedPreferences, property: KProperty<*>): kotlin.Int {
            return thisRef.getInt(key ?: property.name, default)
        }

        override fun setValue(thisRef: SharedPreferences, property: KProperty<*>, value: kotlin.Int) {
            thisRef.edit().putInt(key ?: property.name, value).apply()
        }
    }

    class String(default: kotlin.String? = null, key: kotlin.String? = null) :
        SharedPreferencesDelegate(default, key) {

        override fun getValue(thisRef: SharedPreferences, property: KProperty<*>): kotlin.String? {
            return thisRef.getString(key ?: property.name, default)
        }

        override fun setValue(thisRef: SharedPreferences, property: KProperty<*>, value: kotlin.String?) {
            thisRef.edit().putString(key ?: property.name, value).apply()
        }
    }

    class StringSet(default: Set, key: kotlin.String? = null) :
        SharedPreferencesDelegate>(default, key) {

        override fun getValue(thisRef: SharedPreferences, property: KProperty<*>): Set {
            return thisRef.getStringSet(key ?: property.name, default) ?: setOf()
        }

        override fun setValue(thisRef: SharedPreferences, property: KProperty<*>, value: Set) {
            thisRef.edit().putStringSet(key ?: property.name, value).apply()
        }
    }
}