diff options
Diffstat (limited to 'app/src/main/kotlin/com/pitchedapps/frost/utils')
5 files changed, 89 insertions, 29 deletions
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/utils/DbUtils.kt b/app/src/main/kotlin/com/pitchedapps/frost/utils/DbUtils.kt new file mode 100644 index 00000000..dc16f6cc --- /dev/null +++ b/app/src/main/kotlin/com/pitchedapps/frost/utils/DbUtils.kt @@ -0,0 +1,33 @@ +package com.pitchedapps.frost.utils + +import android.content.Context +import com.raizlabs.android.dbflow.config.FlowManager +import com.raizlabs.android.dbflow.kotlinextensions.processInTransactionAsync +import com.raizlabs.android.dbflow.structure.BaseModel +import com.raizlabs.android.dbflow.structure.database.transaction.Transaction + +/** + * Created by Allan Wang on 2017-05-30. + */ +object DbUtils { + + fun db(name: String) = FlowManager.getDatabase(name) + fun dbName(name: String) = "$name.db" + + inline fun <reified T : BaseModel> replace( + context: Context, dbName: String, type: Class<T>, data: List<T>, + crossinline callback: ((successful: Boolean) -> Unit)) { + db(dbName).reset(context) + data.processInTransactionAsync({ + t, databaseWrapper -> + t.save(databaseWrapper) + }, + Transaction.Success { + callback.invoke(true) + }, + Transaction.Error { _, error -> + L.e(error.message ?: "DbReplace error") + callback.invoke(false) + }) + } +} diff --git a/app/src/main/kotlin/com/pitchedapps/frost/utils/L.kt b/app/src/main/kotlin/com/pitchedapps/frost/utils/L.kt index 0151b0ae..fe1fdc7c 100644 --- a/app/src/main/kotlin/com/pitchedapps/frost/utils/L.kt +++ b/app/src/main/kotlin/com/pitchedapps/frost/utils/L.kt @@ -4,16 +4,13 @@ import android.util.Log import timber.log.Timber - /** * Created by Allan Wang on 2017-05-28. */ -class L { - companion object { - val TAG = "Frost: %s" - fun e(s: String) = Timber.e(TAG, s) - fun d(s: String) = Timber.d(TAG, s) - } +object L { + val TAG = "Frost: %s" + fun e(s: String) = Timber.e(TAG, s) + fun d(s: String) = Timber.d(TAG, s) } internal class CrashReportingTree : Timber.Tree() { diff --git a/app/src/main/kotlin/com/pitchedapps/frost/utils/LazyResettable.kt b/app/src/main/kotlin/com/pitchedapps/frost/utils/LazyResettable.kt new file mode 100644 index 00000000..c8365f5c --- /dev/null +++ b/app/src/main/kotlin/com/pitchedapps/frost/utils/LazyResettable.kt @@ -0,0 +1,51 @@ +package com.pitchedapps.frost.utils + +import java.io.Serializable +import kotlin.reflect.KProperty + +/** + * Created by Allan Wang on 2017-05-30. + * + * Lazy delegate that can be invalidated if needed + * https://stackoverflow.com/a/37294840/4407321 + */ +private object UNINITIALIZED + +fun <T : Any> lazyResettable(initializer: () -> T): LazyResettable<T> = LazyResettable<T>(initializer) + +class LazyResettable<T : Any>(private val initializer: () -> T, lock: Any? = null) : Lazy<T>, Serializable { + @Volatile private var _value: Any = UNINITIALIZED + private val lock = lock ?: this + + fun invalidate() { + _value = UNINITIALIZED + } + + override val value: T + get() { + val _v1 = _value + if (_v1 !== UNINITIALIZED) + @Suppress("UNCHECKED_CAST") + return _v1 as T + + return synchronized(lock) { + val _v2 = _value + if (_v2 !== UNINITIALIZED) { + @Suppress("UNCHECKED_CAST") + _v2 as T + } else { + val typedValue = initializer() + _value = typedValue + typedValue + } + } + } + + override fun isInitialized(): Boolean = _value !== UNINITIALIZED + + override fun toString(): String = if (isInitialized()) value.toString() else "Lazy value not initialized yet." + + operator fun setValue(any: Any, property: KProperty<*>, t: T) { + _value = t + } +}
\ No newline at end of file diff --git a/app/src/main/kotlin/com/pitchedapps/frost/utils/Prefs.kt b/app/src/main/kotlin/com/pitchedapps/frost/utils/Prefs.kt index ad222145..710da845 100644 --- a/app/src/main/kotlin/com/pitchedapps/frost/utils/Prefs.kt +++ b/app/src/main/kotlin/com/pitchedapps/frost/utils/Prefs.kt @@ -17,6 +17,7 @@ object Prefs { lateinit private var c: Context operator fun invoke(c: Context) { this.c = c + lastActive = 0 } private val sp: SharedPreferences by lazy { c.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE) } @@ -25,10 +26,6 @@ object Prefs { get() = sp.getLong(LAST_ACTIVE, -1) set(value) = set(LAST_ACTIVE, System.currentTimeMillis()) - init { - lastActive = 0 - } - private fun set(key: String, value: Boolean) = sp.edit().putBoolean(key, value).apply() private fun set(key: String, value: Int) = sp.edit().putInt(key, value).apply() private fun set(key: String, value: Long) = sp.edit().putLong(key, value).apply() diff --git a/app/src/main/kotlin/com/pitchedapps/frost/utils/Realm.kt b/app/src/main/kotlin/com/pitchedapps/frost/utils/Realm.kt deleted file mode 100644 index 1eded8c9..00000000 --- a/app/src/main/kotlin/com/pitchedapps/frost/utils/Realm.kt +++ /dev/null @@ -1,18 +0,0 @@ -package com.pitchedapps.frost.utils - -import io.realm.Realm -import io.realm.RealmConfiguration - -/** - * Created by Allan Wang on 2017-05-29. - */ -@JvmOverloads fun realm(name: String = RealmFiles.main, transaction: Realm.Transaction) { - val realm = Realm.getInstance(RealmConfiguration.Builder().name(name).build()) - realm.executeTransaction(transaction) - realm.close() -} - -object RealmFiles { - val main = "frost.realm" - val TABS = "tabs.realm" -}
\ No newline at end of file |