Clean up and protect against bad data

app/src/main/java/com/github/damontecres/wholphin/ui/detail/livetv/LiveTvViewModel.kt

@@ -40,7 +40,7 @@ import javax.inject.Inject
 import kotlin.time.Duration
 import kotlin.time.Duration.Companion.seconds
 
-const val MAX_HOURS = 3L
+const val MAX_HOURS = 48L
 
 @HiltViewModel
 class LiveTvViewModel
@@ -64,10 +64,7 @@ class LiveTvViewModel
         val fetchingItem = MutableLiveData<LoadingState>(LoadingState.Pending)
         val fetchedItem = MutableLiveData<BaseItem?>(null)
 
-        val offset = MutableLiveData(0)
-        val programOffset = MutableLiveData(0)
         private val range = 8
-        private var currentIndex = 0
         val fetchedRange = MutableLiveData<IntRange>(0..<range)
 
         fun init(firstLoad: Boolean) {
@@ -196,13 +193,21 @@ class LiveTvViewModel
                 channelProgramCount[channelId] = programs.size
             }
             val finalProgramList =
-                (programs + fake).sortedWith(
+                (programs + fake)
+                    .filterNot {
+                        // TODO filter out items that start after end
+                        // This can happen due to daylight savings switch or just be bad data
+                        it.startHours >= it.endHours
+                    }.sortedWith(
                         compareBy(
                             { channelsIdToIndex[it.channelId]!! },
                             { it.start },
                         ),
                     )
             Timber.d("Got ${programs.size} programs & ${fake.size} fake programs")
+            finalProgramList
+                .filter { it.startHours == it.endHours }
+                .let { Timber.e("Items with same start & end!!! %s", it) }
             withContext(Dispatchers.Main) {
                 this@LiveTvViewModel.programs.value = finalProgramList
                 this@LiveTvViewModel.programsByChannel.value = finalProgramsByChannel
@@ -336,11 +341,6 @@ class LiveTvViewModel
                     Timber.v("Loading more programs for channels $newFetchRange")
                     return viewModelScope.launchIO {
                         fetchPrograms(channels, newFetchRange)
-//                        withContext(Dispatchers.Main) {
-//                            this@LiveTvViewModel.offset.value = fetchStart
-//                            currentIndex = index
-//                            this@LiveTvViewModel.programOffset.value = programOffset
-//                        }
                     }
                 }
                 return null

app/src/main/java/com/github/damontecres/wholphin/ui/detail/livetv/TvGuideGrid.kt

@@ -80,7 +80,7 @@ fun TvGuideGrid(
     val channels by viewModel.channels.observeAsState(listOf())
     val programs by viewModel.programs.observeAsState(listOf())
     val programsByChannel by viewModel.programsByChannel.observeAsState(mapOf())
-    val channelOffset by viewModel.offset.observeAsState(0)
+    val fetchedRange by viewModel.fetchedRange.observeAsState(0..0)
     when (val state = loading) {
         is LoadingState.Error -> ErrorMessage(state, modifier)
         LoadingState.Pending,
@@ -107,7 +107,7 @@ fun TvGuideGrid(
                     programs = programsByChannel,
                     channelProgramCount = viewModel.channelProgramCount,
                     start = viewModel.start,
-                    channelOffset = channelOffset,
+                    channelOffset = fetchedRange.start,
                     onClickChannel = { index, channel ->
                         viewModel.navigationManager.navigateTo(
                             Destination.Playback(
@@ -209,8 +209,6 @@ fun TvGuideGrid(
     val focusManager = LocalFocusManager.current
     val state = rememberSaveableProgramGuideState()
     val scope = rememberCoroutineScope()
-//    var focusedProgramIndex by rememberInt(0)
-//    var focusedChannelIndex by rememberInt(0)
 
     var focusedItem by rememberPosition(RowColumn(0, 0))
     val focusedChannelIndex = focusedItem.row
@@ -222,9 +220,9 @@ fun TvGuideGrid(
         }
 
     LaunchedEffect(focusedProgramIndex) {
-        val (channelIndex, programIndex) = focusedItem
+//        Timber.v("Focusing on $focusedItem, programIndex=$focusedProgramIndex")
-        Timber.v("Focusing on $focusedItem, programIndex=$focusedProgramIndex")
         scope.launch(ExceptionHandler()) {
+//            Timber.v("program=${programList.getOrNull(focusedProgramIndex)}")
             state.animateToProgram(focusedProgramIndex, Alignment.Center)
         }
     }
@@ -236,35 +234,6 @@ fun TvGuideGrid(
             channelHeight = 80.dp,
             currentTimeWidth = 2.dp,
         )
-
-//    val programsBeforeChannel =
-//        remember {
-//            CacheBuilder
-//                .newBuilder()
-//                .maximumSize(200)
-//                .build<Int, Int>(
-//                    object : CacheLoader<Int, Int>() {
-//                        override fun load(key: Int): Int =
-//                            (
-//                                channels
-//                                    .subList(0, key)
-//                                    .map { it.id }
-//                                    .sumOf {
-//                                        channelProgramCount[it] ?: 0
-//                                    } - programOffset
-//                            ).coerceAtLeast(0)
-//                    },
-//                )
-//        }
-    var movementEnabled by remember { mutableStateOf(true) }
-//    LaunchedEffect(programOffset) {
-//        movementEnabled = false
-//        programsBeforeChannel.invalidateAll()
-//        Timber.v("Adjusting focusedProgramIndex, $focusedProgramIndex - $programOffset")
-//        focusedProgramIndex = (focusedProgramIndex - programOffset).coerceAtLeast(0)
-//        movementEnabled = true
-//    }
-
     var gridHasFocus by rememberSaveable { mutableStateOf(false) }
     var channelColumnFocused by rememberSaveable { mutableStateOf(false) }
     Box(modifier = modifier) {
@@ -281,9 +250,6 @@ fun TvGuideGrid(
                         if (it.type == KeyEventType.KeyUp) {
                             return@onPreviewKeyEvent false
                         }
-                        if (!movementEnabled) {
-                            return@onPreviewKeyEvent true
-                        }
                         val item = focusedItem
                         val newFocusedItem =
                             when (it.key) {
@@ -429,32 +395,23 @@ fun TvGuideGrid(
                             }
 
                         if (newFocusedItem != null) {
-                            focusedItem = newFocusedItem
+                            val channel = channels[newFocusedItem.row]
-                            onFocus(newFocusedItem)
+                            val programs = programs[channel.id].orEmpty()
+                            // Ensure it isn't going out of range
+                            val toFocus =
+                                newFocusedItem
+                                    .copy(
+                                        row = newFocusedItem.row.coerceIn(0, channels.size - 1),
+                                        column =
+                                            newFocusedItem.column.coerceIn(
+                                                0,
+                                                programs.size - 1,
+                                            ),
+                                    )
+                            focusedItem = toFocus
+                            onFocus(toFocus)
                             return@onPreviewKeyEvent true
                         }
-//                        if (newIndex != null) {
-// //                        Timber.v("newIndex=$newIndex")
-//                            if (newIndex >= 0) {
-//                                val before = programsBeforeChannel.get(focusedChannelIndex)
-//                                val max =
-//                                    before +
-//                                        channels[focusedChannelIndex].let {
-//                                            programs[it.id]?.size ?: 0
-//                                        } - 1
-//                                val index = newIndex.coerceIn(before, max)
-//                                Timber.v("move: programIndex=$index, channelIndex=$focusedChannelIndex")
-//                                scope.launch(ExceptionHandler()) {
-//                                    focusedProgramIndex = index
-//                                    state.animateToProgram(index, Alignment.Center)
-//                                    onFocusChannel.invoke(focusedChannelIndex)
-//                                }
-//                                return@onPreviewKeyEvent true
-//                            } else {
-//                                Timber.w("newIndex is <0: $newIndex")
-//                                return@onPreviewKeyEvent true
-//                            }
-//                        }
                         return@onPreviewKeyEvent false
                     },
         ) {