43 lines
1.4 KiB
Kotlin
43 lines
1.4 KiB
Kotlin
package example
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import com.vanced.manager.core.mvi.Handler
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import com.vanced.manager.core.mvi.MviFlow
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import com.vanced.manager.core.mvi.MviFlowStore
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import com.vanced.manager.core.mvi.Reducer
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.flow.MutableSharedFlow
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class ExampleViewModel : MviFlowStore<State, Action, Modification, SideEffect> {
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private val viewModelScope = CoroutineScope(Job())
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// handle actions, generate side effects (single events) and send changes (may be viewModel ane change)
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private val handler: Handler<State, Action, Modification, SideEffect> =
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{ _: State, action: Action, sideEffectsFlow: MutableSharedFlow<SideEffect> ->
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when (action) {
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Action.Click -> {
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sideEffectsFlow.emit(SideEffect.ShowToast(""))
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delay(10)
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emit(Modification.ChangeText(""))
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}
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}
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}
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// handle modifications and current state and generate new state for view
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private val reducer: Reducer<State, Modification> = { _: State, modification: Modification ->
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when (modification) {
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is Modification.ChangeText -> {
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State.Default
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}
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}
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}
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override val store: MviFlow<State, Action, Modification, SideEffect> = MviFlow(
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initialState = State.Default,
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reducer = reducer,
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handler = handler,
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scope = viewModelScope
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) // create "store"
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} |