files replacements

src/commonMain/kotlin/utils/SchedulerFlow.kt

@@ -0,0 +1,93 @@
+package dev.inmo.krontab.utils
+
+import korlibs.time.DateTime
+import korlibs.time.DateTimeTz
+import korlibs.time.milliseconds
+import dev.inmo.krontab.KronScheduler
+import dev.inmo.krontab.next
+import kotlinx.coroutines.currentCoroutineContext
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.isActive
+
+/**
+ * **This flow is [cold](https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines.flow/-flow/)**
+ *
+ * Will emit all the [KronScheduler.next] as soon as possible. In case [KronScheduler.next] return null, flow will
+ * be completed
+ *
+ * @param since Will be used as the first parameter for [KronScheduler.next] fun. If passed null, `flow`
+ * will always start since the moment of collecting start
+ */
+fun KronScheduler.asTzFlowWithoutDelays(since: DateTimeTz? = null): Flow<DateTimeTz> = flow {
+    var previous = since ?: DateTime.nowLocal()
+    while (currentCoroutineContext().isActive) {
+        val next = next(previous) ?: break
+        emit(next)
+        previous = next + 1.milliseconds
+    }
+}
+
+/**
+ * **This flow is [cold](https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines.flow/-flow/)**
+ *
+ * This [Flow] will use [asTzFlowWithoutDelays], but stop on each time until this time will happen
+ */
+fun KronScheduler.asTzFlowWithDelays(): Flow<DateTimeTz> = asTzFlowWithoutDelays().onEach { futureHappenTime ->
+    val now = DateTime.nowLocal()
+
+    delay((futureHappenTime - now).millisecondsLong)
+}
+
+/**
+ * **This flow is [cold](https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines.flow/-flow/)**
+ *
+ * This [Flow] will use [asTzFlowWithoutDelays], but stop on each time until this time will happen
+ */
+@Deprecated(
+    "Behaviour will be changed. In some of near versions this flow will not delay executions",
+    ReplaceWith("this.asTzFlowWithDelays()", "dev.inmo.krontab.utils.asTzFlowWithDelays")
+)
+fun KronScheduler.asTzFlow(): Flow<DateTimeTz> = asTzFlowWithDelays()
+
+/**
+ * **This flow is [cold](https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines.flow/-flow/)**
+ *
+ * Will emit all the [KronScheduler.next] as soon as possible. In case [KronScheduler.next] return null, flow will
+ * be completed
+ *
+ * @param since Will be used as the first parameter for [KronScheduler.next] fun. If passed null, `flow`
+ * will always start since the moment of collecting start
+ */
+fun KronScheduler.asFlowWithoutDelays(since: DateTime? = null): Flow<DateTime> = flow {
+    var previous = since ?: DateTime.now()
+    while (currentCoroutineContext().isActive) {
+        val next = next(previous) ?: break
+        emit(next)
+        previous = next + 1.milliseconds
+    }
+}
+
+/**
+ * **This flow is [cold](https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines.flow/-flow/)**
+ *
+ * This [Flow] will use [asFlowWithoutDelays], but stop on each time until this time will happen
+ */
+fun KronScheduler.asFlowWithDelays(): Flow<DateTime> = asFlowWithoutDelays().onEach { futureHappenTime ->
+    val now = DateTime.now()
+
+    delay((futureHappenTime - now).millisecondsLong)
+}
+
+/**
+ * **This flow is [cold](https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines.flow/-flow/)**
+ *
+ * This [Flow] will use [asFlowWithDelays], but stop on each time until this time will happen
+ */
+@Deprecated(
+    "Behaviour will be changed. In some of near versions this flow will not delay executions",
+    ReplaceWith("this.asFlowWithDelays()", "dev.inmo.krontab.utils.asFlowWithDelays")
+)
+fun KronScheduler.asFlow(): Flow<DateTime> = asFlowWithDelays()