Add settings and Percent

Author: anton-knyazev

app/src/main/java/com/omega_r/base/simple/Settings.kt

@@ -0,0 +1,11 @@
+package com.omega_r.base.simple
+
+import com.omega_r.base.settings.BaseSettings
+import com.omega_r.base.settings.SettingStorage
+
+class Settings(setting: SettingStorage): BaseSettings(setting) {
+
+    var firstLaunch by provideBoolean(key = "jklh", defaultValue = false, label = "possim")
+
+
+}

core/src/main/java/com/omega_r/base/settings/BaseSettings.kt

@@ -0,0 +1,56 @@
+package com.omega_r.base.settings
+
+import com.omega_r.base.enitity.Percent
+import kotlin.properties.ReadWriteProperty
+
+open class BaseSettings(private val setting: SettingStorage) {
+
+    protected fun provideBoolean(
+        key: String,
+        defaultValue: Boolean,
+        label: String,
+        description: String = ""
+    ) = run {
+        setting.provide(
+            Setting.BooleanSetting(
+                key = key,
+                defaultValue = defaultValue,
+                label = label,
+                description = description
+            )
+        )
+    }
+
+    protected fun provideString(
+        key: String,
+        defaultValue: String,
+        label: String,
+        description: String = ""
+    ) = run {
+        setting.provide(
+            Setting.StringSetting(
+                key = key,
+                defaultValue = defaultValue,
+                label = label,
+                description = description
+            )
+        )
+    }
+
+    protected fun providePercent(
+        key: String,
+        defaultValue: Percent,
+        label: String,
+        description: String = ""
+    ) = run {
+        setting.provide(
+            Setting.PercentSetting(
+                key = key,
+                defaultValue = defaultValue,
+                label = label,
+                description = description
+            )
+        )
+    }
+
+}

core/src/main/java/com/omega_r/base/settings/Setting.kt

@@ -0,0 +1,59 @@
+package com.omega_r.base.settings
+
+import android.content.SharedPreferences
+import com.omega_r.base.enitity.Percent
+import com.omega_r.base.enitity.PercentModel
+import com.omega_r.base.enitity.toPercent
+
+sealed class Setting<T>(
+    val key: String,
+    val defaultValue: T,
+    val label: String,
+    val description: String
+) {
+
+    internal abstract fun getValue(sharedPreferences: SharedPreferences): T
+
+    internal abstract fun setValue(editor: SharedPreferences.Editor, value: T)
+
+    open class BooleanSetting(key: String, defaultValue: Boolean, label: String, description: String) :
+        Setting<Boolean>(key = key, defaultValue = defaultValue, label = label, description = description) {
+
+        override fun getValue(sharedPreferences: SharedPreferences): Boolean {
+            return sharedPreferences.getBoolean(key, defaultValue)
+        }
+
+        override fun setValue(editor: SharedPreferences.Editor, value: Boolean) {
+            editor.putBoolean(key, value)
+        }
+
+    }
+
+    open class StringSetting(key: String, defaultValue: String, label: String, description: String) :
+        Setting<String>(key = key, defaultValue = defaultValue, label = label, description = description) {
+        override fun getValue(sharedPreferences: SharedPreferences): String {
+            return sharedPreferences.getString(key, defaultValue) ?: defaultValue
+        }
+
+        override fun setValue(editor: SharedPreferences.Editor, value: String) {
+            editor.putString(key, value)
+        }
+    }
+
+    open class PercentSetting(key: String, defaultValue: Percent, label: String, description: String) :
+        Setting<Percent>(key = key, defaultValue = defaultValue, label = label, description = description) {
+
+            private companion object {
+                private val percentModel = PercentModel(0f, 100f)
+            }
+
+        override fun getValue(sharedPreferences: SharedPreferences): Percent {
+            return sharedPreferences.getFloat(key, defaultValue.toFloat(percentModel)).toPercent(percentModel)
+        }
+
+        override fun setValue(editor: SharedPreferences.Editor, value: Percent) {
+            editor.putFloat(key, value.toFloat(percentModel))
+        }
+    }
+
+}

core/src/main/java/com/omega_r/base/settings/SettingStorage.kt

@@ -0,0 +1,29 @@
+package com.omega_r.base.settings
+
+import android.content.SharedPreferences
+import androidx.core.content.edit
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class SettingStorage(private val sharedPreferences: SharedPreferences){
+
+    operator fun <T> get(setting: Setting<T>): T {
+        return setting.getValue(sharedPreferences)
+    }
+
+    operator fun <T> set(setting: Setting<T>, newValue: T) {
+         sharedPreferences.edit {
+            setting.setValue(this, newValue)
+         }
+    }
+
+    fun <T> provide(setting: Setting<T>): ReadWriteProperty<Any, T> = Property(setting)
+
+    private inner class Property<T>(private val setting: Setting<T>): ReadWriteProperty<Any, T> {
+        override fun getValue(thisRef: Any, property: KProperty<*>): T = get(setting)
+
+        override fun setValue(thisRef: Any, property: KProperty<*>, value: T) = set(setting, value)
+
+    }
+
+}