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Add locking for refreshes

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Damontecres 2025-10-21 13:49:46 -04:00
parent 0438b889b6
commit 724519a6fa
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1 changed files with 77 additions and 73 deletions
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8
app/src/main/java/com/github/damontecres/wholphin/ui/detail/livetv/LiveTvViewModel.kt
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@ -17,6 +17,8 @@ import com.github.damontecres.wholphin.util.LoadingState
import dagger.hilt.android.lifecycle.HiltViewModel import dagger.hilt.android.lifecycle.HiltViewModel
import kotlinx.coroutines.Dispatchers import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch import kotlinx.coroutines.launch
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock
import kotlinx.coroutines.withContext import kotlinx.coroutines.withContext
import org.jellyfin.sdk.api.client.ApiClient import org.jellyfin.sdk.api.client.ApiClient
import org.jellyfin.sdk.api.client.extensions.imageApi import org.jellyfin.sdk.api.client.extensions.imageApi
@ -49,6 +51,7 @@ class LiveTvViewModel
val start = val start =
LocalDateTime.now().truncatedTo(ChronoUnit.HOURS) LocalDateTime.now().truncatedTo(ChronoUnit.HOURS)
private lateinit var channelsIdToIndex: Map<UUID, Int> private lateinit var channelsIdToIndex: Map<UUID, Int>
private val mutex = Mutex()
val channels = MutableLiveData<List<TvChannel>>() val channels = MutableLiveData<List<TvChannel>>()
val programs = MutableLiveData<List<TvProgram>>() val programs = MutableLiveData<List<TvProgram>>()
@ -87,7 +90,8 @@ class LiveTvViewModel
} }
} }
private suspend fun fetchPrograms(channels: List<TvChannel>) { private suspend fun fetchPrograms(channels: List<TvChannel>) =
mutex.withLock {
val maxStartDate = start.plusHours(MAX_HOURS).minusMinutes(1) val maxStartDate = start.plusHours(MAX_HOURS).minusMinutes(1)
val minEndDate = start.plusMinutes(1L) val minEndDate = start.plusMinutes(1L)
val request = val request =
@ -248,7 +252,7 @@ class LiveTvViewModel
suspend fun refreshProgram( suspend fun refreshProgram(
programIndex: Int, programIndex: Int,
programId: UUID, programId: UUID,
) { ) = mutex.withLock {
val program by api.liveTvApi.getProgram(programId.toServerString()) val program by api.liveTvApi.getProgram(programId.toServerString())
val newProgram = val newProgram =
programs.value?.getOrNull(programIndex)?.copy( programs.value?.getOrNull(programIndex)?.copy(