fix #64

app/android/src/androidMain/kotlin/dev/datlag/burningseries/MainActivity.kt

@@ -20,6 +20,7 @@ import com.arkivanov.essenty.lifecycle.LifecycleOwner
 import com.arkivanov.essenty.lifecycle.essentyLifecycle
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.shouldShowRationale
+import dev.datlag.burningseries.model.common.safeCast
 import dev.datlag.burningseries.shared.App
 import dev.datlag.burningseries.shared.SharedRes
 import dev.datlag.burningseries.shared.common.lifecycle.LocalLifecycleOwner
@@ -43,7 +44,7 @@ class MainActivity : AppCompatActivity() {
         WindowCompat.setDecorFitsSystemWindows(window, false)
         enableEdgeToEdge()
 
-        val di = ((applicationContext as? App) ?: (application as App)).di
+        val di = applicationContext.safeCast<App>()?.di ?: (application as App).di
 
         val lifecycleOwner = object : LifecycleOwner {
             override val lifecycle: Lifecycle = essentyLifecycle()

app/shared/src/commonMain/kotlin/dev/datlag/burningseries/shared/ui/custom/toolbar/CollapsingToolbar.kt

@@ -15,6 +15,7 @@ import androidx.compose.ui.layout.*
 import androidx.compose.ui.unit.Constraints
 import androidx.compose.ui.unit.Density
 import androidx.compose.ui.unit.IntSize
+import dev.datlag.burningseries.model.common.safeCast
 import kotlin.math.absoluteValue
 import kotlin.math.max
 import kotlin.math.min
@@ -289,7 +290,7 @@ internal class RoadModifier(
     override fun Density.modifyParentData(parentData: Any?): Any {
         return CollapsingToolbarRoadData(
             this@RoadModifier.whenCollapsed, this@RoadModifier.whenExpanded,
-            (parentData as? CollapsingToolbarData)?.progressListener
+            parentData.safeCast<CollapsingToolbarData>()?.progressListener
         )
     }
 }
@@ -298,13 +299,13 @@ internal class ParallaxModifier(
     private val ratio: Float
 ): ParentDataModifier {
     override fun Density.modifyParentData(parentData: Any?): Any {
-        return CollapsingToolbarParallaxData(ratio, (parentData as? CollapsingToolbarData)?.progressListener)
+        return CollapsingToolbarParallaxData(ratio, parentData.safeCast<CollapsingToolbarData>()?.progressListener)
     }
 }
 
 internal class PinModifier: ParentDataModifier {
     override fun Density.modifyParentData(parentData: Any?): Any {
-        return CollapsingToolbarPinData((parentData as? CollapsingToolbarData)?.progressListener)
+        return CollapsingToolbarPinData(parentData.safeCast<CollapsingToolbarData>()?.progressListener)
     }
 }
 

app/shared/src/commonMain/kotlin/dev/datlag/burningseries/shared/ui/custom/toolbar/CollapsingToolbarScaffold.kt

@@ -24,6 +24,7 @@ import androidx.compose.ui.platform.LocalLayoutDirection
 import androidx.compose.ui.unit.Constraints
 import androidx.compose.ui.unit.Density
 import androidx.compose.ui.unit.IntSize
+import dev.datlag.burningseries.model.common.safeCast
 import kotlin.math.max
 
 @Stable
@@ -145,7 +146,7 @@ fun CollapsingToolbarScaffold(
 
         val bodyMeasurables = measurables.subList(1, measurables.size)
         val childrenAlignments = bodyMeasurables.map {
-            (it.parentData as? ScaffoldParentData)?.alignment
+            it.parentData.safeCast<ScaffoldParentData>()?.alignment
         }
         val bodyPlaceables = bodyMeasurables.map {
             it.measure(bodyConstraints)
@@ -210,7 +211,7 @@ private class ScaffoldChildAlignmentModifier(
     private val alignment: Alignment
 ) : ParentDataModifier {
     override fun Density.modifyParentData(parentData: Any?): Any {
-        return (parentData as? ScaffoldParentData) ?: ScaffoldParentData(alignment)
+        return parentData.safeCast<ScaffoldParentData>()?.alignment ?: ScaffoldParentData(alignment)
     }
 }
 

app/shared/src/commonMain/kotlin/dev/datlag/burningseries/shared/ui/screen/initial/search/SearchScreenComponent.kt

@@ -8,6 +8,7 @@ import com.arkivanov.decompose.value.Value
 import dev.datlag.burningseries.model.Genre
 import dev.datlag.burningseries.model.Series
 import dev.datlag.burningseries.model.algorithm.JaroWinkler
+import dev.datlag.burningseries.model.common.safeCast
 import dev.datlag.burningseries.model.common.safeSubList
 import dev.datlag.burningseries.model.state.SearchAction
 import dev.datlag.burningseries.model.state.SearchState
@@ -36,7 +37,7 @@ class SearchScreenComponent(
     private val searchStateMachine: SearchStateMachine by di.instance()
     override val searchState: StateFlow<SearchState> = searchStateMachine.state.flowOn(ioDispatcher()).stateIn(ioScope(), SharingStarted.WhileSubscribed(), SearchState.Loading)
 
-    private val allGenres = searchState.mapNotNull { it as SearchState.Success }.map { it.genres }.flowOn(ioDispatcher()).stateIn(ioScope(), SharingStarted.WhileSubscribed(), emptyList())
+    private val allGenres = searchState.mapNotNull { it.safeCast<SearchState.Success>() }.map { it.genres }.flowOn(ioDispatcher()).stateIn(ioScope(), SharingStarted.WhileSubscribed(), emptyList())
     private val allItems = allGenres.map { it.flatMap { g -> g.items } }.flowOn(ioDispatcher())
     private val maxGenres = allGenres.map { it.size }.flowOn(ioDispatcher())
     private val loadedGenres = MutableStateFlow(1)

app/shared/src/commonMain/kotlin/dev/datlag/burningseries/shared/ui/screen/initial/series/SeriesScreenComponent.kt

@@ -12,6 +12,7 @@ import com.arkivanov.essenty.backhandler.BackCallback
 import dev.datlag.burningseries.database.BurningSeries
 import dev.datlag.burningseries.model.BSUtil
 import dev.datlag.burningseries.model.Series
+import dev.datlag.burningseries.model.common.safeCast
 import dev.datlag.burningseries.model.state.EpisodeAction
 import dev.datlag.burningseries.model.state.EpisodeState
 import dev.datlag.burningseries.model.state.SeriesAction
@@ -68,7 +69,7 @@ class SeriesScreenComponent(
     )
     override val seriesState: StateFlow<SeriesState> = seriesStateMachine.state.flowOn(ioDispatcher()).stateIn(ioScope(), SharingStarted.WhileSubscribed(), SeriesState.Loading(initialHref))
 
-    private val successState = seriesState.mapNotNull { it as? SeriesState.Success }.flowOn(ioDispatcher())
+    private val successState = seriesState.mapNotNull { it.safeCast<SeriesState.Success>() }.flowOn(ioDispatcher())
     private val currentSeries = successState.map { it.series }.flowOn(ioDispatcher()).stateIn(ioScope(), SharingStarted.WhileSubscribed(), null)
     private val onDeviceReachable = successState.map { it.onDeviceReachable }.flowOn(ioDispatcher()).stateIn(ioScope(), SharingStarted.Eagerly, true)
     override val title: StateFlow<String> = currentSeries.mapNotNull { it?.bestTitle }.flowOn(ioDispatcher()).stateIn(ioScope(), SharingStarted.WhileSubscribed(), initialTitle)
@@ -97,7 +98,7 @@ class SeriesScreenComponent(
     private val episodeStateMachine by di.instance<EpisodeStateMachine>()
     private val episodeState: StateFlow<EpisodeState> = episodeStateMachine.state.flowOn(ioDispatcher()).stateIn(ioScope(), SharingStarted.WhileSubscribed(), EpisodeState.Waiting)
     override val loadingEpisodeHref: StateFlow<String?> = episodeState.map {
-        (it as? EpisodeState.Loading)?.episode?.href ?: (it as? EpisodeState.SuccessHoster)?.episode?.href
+        it.safeCast<EpisodeState.Loading>()?.episode?.href ?: it.safeCast<EpisodeState.SuccessHoster>()?.episode?.href
     }.flowOn(ioDispatcher()).stateIn(ioScope(), SharingStarted.WhileSubscribed(), null)
 
     override val dbEpisodes = commonHref.transform {
@@ -196,7 +197,7 @@ class SeriesScreenComponent(
                         }
                     }
                     is EpisodeState.ErrorHoster, is EpisodeState.ErrorStream -> {
-                        val episode = (state as? EpisodeState.EpisodeHolder)?.episode
+                        val episode = state.safeCast<EpisodeState.EpisodeHolder>()?.episode
                         val series = currentSeries.value ?: currentSeries.first() ?: currentSeries.value!!
 
                         if (episode != null) {

app/shared/src/commonMain/kotlin/dev/datlag/burningseries/shared/ui/screen/video/VideoScreenComponent.kt

@@ -10,6 +10,7 @@ import com.arkivanov.essenty.backhandler.BackCallback
 import dev.datlag.burningseries.database.BurningSeries
 import dev.datlag.burningseries.model.BSUtil
 import dev.datlag.burningseries.model.Series
+import dev.datlag.burningseries.model.common.safeCast
 import dev.datlag.burningseries.model.state.EpisodeState
 import dev.datlag.burningseries.network.state.EpisodeStateMachine
 import dev.datlag.burningseries.shared.common.ioDispatcher
@@ -38,7 +39,7 @@ class VideoScreenComponent(
 
     override val streams: List<Stream> = initialStreams.sortedBy { it.headers.size }
     private val episodeStateMachine by di.instance<EpisodeStateMachine>()
-    override val episode: StateFlow<Series.Episode> = episodeStateMachine.state.mapNotNull { it as? EpisodeState.EpisodeHolder }.map { it.episode }.flowOn(
+    override val episode: StateFlow<Series.Episode> = episodeStateMachine.state.mapNotNull { it.safeCast<EpisodeState.EpisodeHolder>() }.map { it.episode }.flowOn(
         ioDispatcher()
     ).stateIn(ioScope(), SharingStarted.WhileSubscribed(), initialEpisode)
 

model/src/commonMain/kotlin/dev/datlag/burningseries/model/common/ExtendCoroutine.kt

@@ -24,4 +24,26 @@ suspend fun <T> suspendCatching(block: suspend CoroutineScope.() -> T): Result<T
         }
         Result.failure(e)
     }
+}
+
+fun <T> safeCast(block: () -> T?): T? {
+    return scopeCatching {
+        block()
+    }.getOrNull()
+}
+
+suspend fun <T> suspendSafeCast(block: () -> T?): T? {
+    return suspendCatching {
+        block()
+    }.getOrNull()
+}
+
+inline fun <reified T> Any?.safeCast(): T? {
+    return safeCast {
+        if (this is T) {
+            this
+        } else {
+            this as? T?
+        }
+    }
 }