[dev QoL] Added AndroidStudio previews for [presentation.history] namespace (#10012)

* Added display preview for HistoryDialogs

* Added preview with provider for each branch for HistoryItem

* Added previews for HistoryScreen

Created in-memory preferences construct for when its needed at top-level injection

* Fixed ktlint violations

app/src/main/java/eu/kanade/presentation/history/HistoryScreen.kt

@@ -11,6 +11,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.PreviewParameter
 import eu.kanade.domain.ui.UiPreferences
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.components.AppBarActions
@@ -18,13 +19,16 @@ import eu.kanade.presentation.components.AppBarTitle
 import eu.kanade.presentation.components.RelativeDateHeader
 import eu.kanade.presentation.components.SearchToolbar
 import eu.kanade.presentation.history.components.HistoryItem
+import eu.kanade.presentation.theme.TachiyomiTheme
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.ui.history.HistoryScreenModel
+import tachiyomi.core.preference.InMemoryPreferenceStore
 import tachiyomi.domain.history.model.HistoryWithRelations
 import tachiyomi.presentation.core.components.FastScrollLazyColumn
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.screens.EmptyScreen
 import tachiyomi.presentation.core.screens.LoadingScreen
+import tachiyomi.presentation.core.util.ThemePreviews
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import java.util.Date
@@ -37,6 +41,7 @@ fun HistoryScreen(
     onClickCover: (mangaId: Long) -> Unit,
     onClickResume: (mangaId: Long, chapterId: Long) -> Unit,
     onDialogChange: (HistoryScreenModel.Dialog?) -> Unit,
+    preferences: UiPreferences = Injekt.get(),
 ) {
     Scaffold(
         topBar = { scrollBehavior ->
@@ -82,6 +87,7 @@ fun HistoryScreen(
                     onClickCover = { history -> onClickCover(history.mangaId) },
                     onClickResume = { history -> onClickResume(history.mangaId, history.chapterId) },
                     onClickDelete = { item -> onDialogChange(HistoryScreenModel.Dialog.Delete(item)) },
+                    preferences = preferences,
                 )
             }
         }
@@ -95,7 +101,7 @@ private fun HistoryScreenContent(
     onClickCover: (HistoryWithRelations) -> Unit,
     onClickResume: (HistoryWithRelations) -> Unit,
     onClickDelete: (HistoryWithRelations) -> Unit,
-    preferences: UiPreferences = Injekt.get(),
+    preferences: UiPreferences,
 ) {
     val relativeTime = remember { preferences.relativeTime().get() }
     val dateFormat = remember { UiPreferences.dateFormat(preferences.dateFormat().get()) }
@@ -141,3 +147,32 @@ sealed interface HistoryUiModel {
     data class Header(val date: Date) : HistoryUiModel
     data class Item(val item: HistoryWithRelations) : HistoryUiModel
 }
+
+@ThemePreviews
+@Composable
+internal fun HistoryScreenPreviews(
+    @PreviewParameter(HistoryScreenModelStateProvider::class)
+    historyState: HistoryScreenModel.State,
+) {
+    TachiyomiTheme {
+        HistoryScreen(
+            state = historyState,
+            snackbarHostState = SnackbarHostState(),
+            onSearchQueryChange = {},
+            onClickCover = {},
+            onClickResume = { _, _ -> run {} },
+            onDialogChange = {},
+            preferences = UiPreferences(
+                InMemoryPreferenceStore(
+                    sequenceOf(
+                        InMemoryPreferenceStore.InMemoryPreference(
+                            key = "relative_time_v2",
+                            data = false,
+                            defaultValue = false,
+                        ),
+                    ),
+                ),
+            ),
+        )
+    }
+}

app/src/main/java/eu/kanade/presentation/history/HistoryScreenModelStateProvider.kt

@@ -0,0 +1,109 @@
+package eu.kanade.presentation.history
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import eu.kanade.tachiyomi.ui.history.HistoryScreenModel
+import tachiyomi.domain.history.model.HistoryWithRelations
+import tachiyomi.domain.manga.model.MangaCover
+import java.time.Instant
+import java.time.temporal.ChronoUnit
+import java.util.Date
+import kotlin.random.Random
+
+class HistoryScreenModelStateProvider : PreviewParameterProvider<HistoryScreenModel.State> {
+
+    private val multiPage = HistoryScreenModel.State(
+        searchQuery = null,
+        list =
+        listOf(HistoryUiModelExamples.headerToday)
+            .asSequence()
+            .plus(HistoryUiModelExamples.items().take(3))
+            .plus(HistoryUiModelExamples.header { it.minus(1, ChronoUnit.DAYS) })
+            .plus(HistoryUiModelExamples.items().take(1))
+            .plus(HistoryUiModelExamples.header { it.minus(2, ChronoUnit.DAYS) })
+            .plus(HistoryUiModelExamples.items().take(7))
+            .toList(),
+        dialog = null,
+    )
+
+    private val shortRecent = HistoryScreenModel.State(
+        searchQuery = null,
+        list = listOf(
+            HistoryUiModelExamples.headerToday,
+            HistoryUiModelExamples.items().first(),
+        ),
+        dialog = null,
+    )
+
+    private val shortFuture = HistoryScreenModel.State(
+        searchQuery = null,
+        list = listOf(
+            HistoryUiModelExamples.headerTomorrow,
+            HistoryUiModelExamples.items().first(),
+        ),
+        dialog = null,
+    )
+
+    private val empty = HistoryScreenModel.State(
+        searchQuery = null,
+        list = listOf(),
+        dialog = null,
+    )
+
+    private val loadingWithSearchQuery = HistoryScreenModel.State(
+        searchQuery = "Example Search Query",
+    )
+
+    private val loading = HistoryScreenModel.State(
+        searchQuery = null,
+        list = null,
+        dialog = null,
+    )
+
+    override val values: Sequence<HistoryScreenModel.State> = sequenceOf(
+        multiPage,
+        shortRecent,
+        shortFuture,
+        empty,
+        loadingWithSearchQuery,
+        loading,
+    )
+
+    private object HistoryUiModelExamples {
+        val headerToday = header()
+        val headerTomorrow =
+            HistoryUiModel.Header(Date.from(Instant.now().plus(1, ChronoUnit.DAYS)))
+
+        fun header(instantBuilder: (Instant) -> Instant = { it }) =
+            HistoryUiModel.Header(Date.from(instantBuilder(Instant.now())))
+
+        fun items() = sequence {
+            var count = 1
+            while (true) {
+                yield(randItem { it.copy(title = "Example Title $count") })
+                count += 1
+            }
+        }
+
+        fun randItem(historyBuilder: (HistoryWithRelations) -> HistoryWithRelations = { it }) =
+            HistoryUiModel.Item(
+                historyBuilder(
+                    HistoryWithRelations(
+                        id = Random.nextLong(),
+                        chapterId = Random.nextLong(),
+                        mangaId = Random.nextLong(),
+                        title = "Test Title",
+                        chapterNumber = Random.nextDouble(),
+                        readAt = Date.from(Instant.now()),
+                        readDuration = Random.nextLong(),
+                        coverData = MangaCover(
+                            mangaId = Random.nextLong(),
+                            sourceId = Random.nextLong(),
+                            isMangaFavorite = Random.nextBoolean(),
+                            url = "https://example.com/cover.png",
+                            lastModified = Random.nextLong(),
+                        ),
+                    ),
+                ),
+            )
+    }
+}

app/src/main/java/eu/kanade/presentation/history/HistoryUiModelProviders.kt

@@ -0,0 +1,13 @@
+package eu.kanade.presentation.history
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import java.time.Instant
+import java.util.Date
+
+object HistoryUiModelProviders {
+
+    class HeadNow : PreviewParameterProvider<HistoryUiModel> {
+        override val values: Sequence<HistoryUiModel> =
+            sequenceOf(HistoryUiModel.Header(Date.from(Instant.now())))
+    }
+}

app/src/main/java/eu/kanade/presentation/history/components/HistoryDialogs.kt

@@ -18,7 +18,9 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
+import eu.kanade.presentation.theme.TachiyomiTheme
 import eu.kanade.tachiyomi.R
+import tachiyomi.presentation.core.util.ThemePreviews
 
 @Composable
 fun HistoryDeleteDialog(
@@ -101,3 +103,14 @@ fun HistoryDeleteAllDialog(
         },
     )
 }
+
+@ThemePreviews
+@Composable
+internal fun HistoryDeleteDialogPreview() {
+    TachiyomiTheme {
+        HistoryDeleteDialog(
+            onDismissRequest = {},
+            onDelete = { _ -> run {} },
+        )
+    }
+}

app/src/main/java/eu/kanade/presentation/history/components/HistoryItem.kt

@@ -19,13 +19,16 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.unit.dp
 import eu.kanade.presentation.manga.components.MangaCover
+import eu.kanade.presentation.theme.TachiyomiTheme
 import eu.kanade.presentation.util.formatChapterNumber
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.util.lang.toTimestampString
 import tachiyomi.domain.history.model.HistoryWithRelations
 import tachiyomi.presentation.core.components.material.padding
+import tachiyomi.presentation.core.util.ThemePreviews
 
 private val HISTORY_ITEM_HEIGHT = 96.dp
 
@@ -87,3 +90,19 @@ fun HistoryItem(
         }
     }
 }
+
+@ThemePreviews
+@Composable
+internal fun HistoryItemPreviews(
+    @PreviewParameter(HistoryWithRelationsProvider::class)
+    historyWithRelations: HistoryWithRelations,
+) {
+    TachiyomiTheme {
+        HistoryItem(
+            history = historyWithRelations,
+            onClickCover = {},
+            onClickResume = {},
+            onClickDelete = {},
+        )
+    }
+}

app/src/main/java/eu/kanade/presentation/history/components/HistoryWithRelationsProvider.kt

@@ -0,0 +1,62 @@
+package eu.kanade.presentation.history.components
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import tachiyomi.domain.history.model.HistoryWithRelations
+import java.util.Date
+
+internal class HistoryWithRelationsProvider : PreviewParameterProvider<HistoryWithRelations> {
+
+    private val simple = HistoryWithRelations(
+        id = 1L,
+        chapterId = 2L,
+        mangaId = 3L,
+        title = "Test Title",
+        chapterNumber = 10.2,
+        readAt = Date(1697247357L),
+        readDuration = 123L,
+        coverData = tachiyomi.domain.manga.model.MangaCover(
+            mangaId = 3L,
+            sourceId = 4L,
+            isMangaFavorite = false,
+            url = "https://example.com/cover.png",
+            lastModified = 5L,
+        ),
+    )
+
+    private val historyWithoutReadAt = HistoryWithRelations(
+        id = 1L,
+        chapterId = 2L,
+        mangaId = 3L,
+        title = "Test Title",
+        chapterNumber = 10.2,
+        readAt = null,
+        readDuration = 123L,
+        coverData = tachiyomi.domain.manga.model.MangaCover(
+            mangaId = 3L,
+            sourceId = 4L,
+            isMangaFavorite = false,
+            url = "https://example.com/cover.png",
+            lastModified = 5L,
+        ),
+    )
+
+    private val historyWithNegativeChapterNumber = HistoryWithRelations(
+        id = 1L,
+        chapterId = 2L,
+        mangaId = 3L,
+        title = "Test Title",
+        chapterNumber = -2.0,
+        readAt = Date(1697247357L),
+        readDuration = 123L,
+        coverData = tachiyomi.domain.manga.model.MangaCover(
+            mangaId = 3L,
+            sourceId = 4L,
+            isMangaFavorite = false,
+            url = "https://example.com/cover.png",
+            lastModified = 5L,
+        ),
+    )
+
+    override val values: Sequence<HistoryWithRelations>
+        get() = sequenceOf(simple, historyWithoutReadAt, historyWithNegativeChapterNumber)
+}

core/src/main/java/tachiyomi/core/preference/InMemoryPreferenceStore.kt

@@ -0,0 +1,96 @@
+package tachiyomi.core.preference
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.stateIn
+
+/**
+ * Local-copy implementation of PreferenceStore mostly for test and preview purposes
+ */
+class InMemoryPreferenceStore(
+    private val initialPreferences: Sequence<InMemoryPreference<*>> = sequenceOf(),
+) : PreferenceStore {
+
+    private val preferences: Map<String, Preference<*>> =
+        initialPreferences.toList().associateBy { it.key() }
+
+    override fun getString(key: String, defaultValue: String): Preference<String> {
+        val default = InMemoryPreference(key, null, defaultValue)
+        val data: String? = preferences[key]?.get() as? String
+        return if (data == null) default else InMemoryPreference(key, data, defaultValue)
+    }
+
+    override fun getLong(key: String, defaultValue: Long): Preference<Long> {
+        val default = InMemoryPreference(key, null, defaultValue)
+        val data: Long? = preferences[key]?.get() as? Long
+        return if (data == null) default else InMemoryPreference(key, data, defaultValue)
+    }
+
+    override fun getInt(key: String, defaultValue: Int): Preference<Int> {
+        val default = InMemoryPreference(key, null, defaultValue)
+        val data: Int? = preferences[key]?.get() as? Int
+        return if (data == null) default else InMemoryPreference(key, data, defaultValue)
+    }
+
+    override fun getFloat(key: String, defaultValue: Float): Preference<Float> {
+        val default = InMemoryPreference(key, null, defaultValue)
+        val data: Float? = preferences[key]?.get() as? Float
+        return if (data == null) default else InMemoryPreference(key, data, defaultValue)
+    }
+
+    override fun getBoolean(key: String, defaultValue: Boolean): Preference<Boolean> {
+        val default = InMemoryPreference(key, null, defaultValue)
+        val data: Boolean? = preferences[key]?.get() as? Boolean
+        return if (data == null) default else InMemoryPreference(key, data, defaultValue)
+    }
+
+    override fun getStringSet(key: String, defaultValue: Set<String>): Preference<Set<String>> {
+        TODO("Not yet implemented")
+    }
+
+    override fun <T> getObject(
+        key: String,
+        defaultValue: T,
+        serializer: (T) -> String,
+        deserializer: (String) -> T,
+    ): Preference<T> {
+        val default = InMemoryPreference(key, null, defaultValue)
+        val data: T? = preferences[key]?.get() as? T
+        return if (data == null) default else InMemoryPreference<T>(key, data, defaultValue)
+    }
+
+    override fun getAll(): Map<String, *> {
+        return preferences
+    }
+
+    class InMemoryPreference<T>(
+        private val key: String,
+        private var data: T?,
+        private val defaultValue: T,
+    ) : Preference<T> {
+        override fun key(): String = key
+
+        override fun get(): T = data ?: defaultValue()
+
+        override fun isSet(): Boolean = data != null
+
+        override fun delete() {
+            data = null
+        }
+
+        override fun defaultValue(): T = defaultValue
+
+        override fun changes(): Flow<T> = flow { data }
+
+        override fun stateIn(scope: CoroutineScope): StateFlow<T> {
+            return changes().stateIn(scope, SharingStarted.Eagerly, get())
+        }
+
+        override fun set(value: T) {
+            data = value
+        }
+    }
+}