compose: Fix previews for every screen

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/store/compose/composable/details/ScreenshotListItem.kt

@@ -45,7 +45,8 @@ fun ScreenshotListItem(modifier: Modifier = Modifier, url: String) {
     )
     val state by painter.state.collectAsStateWithLifecycle()
     val aspectRatioModifier = state.painter?.intrinsicSize?.let { intrinsicSize ->
-        Modifier.aspectRatio(ratio = intrinsicSize.width / intrinsicSize.height)
+        val ratio = intrinsicSize.width / intrinsicSize.height
+        if (ratio.isNaN()) null else Modifier.aspectRatio(ratio = ratio)
     }
 
     Image(

app/src/main/java/com/aurora/store/compose/preview/Favourite.kt

@@ -0,0 +1,28 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The Calyx Institute
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.aurora.store.compose.preview
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import com.aurora.store.BuildConfig
+import com.aurora.store.data.room.favourite.Favourite
+import com.aurora.store.data.room.favourite.Favourite.Mode
+
+/**
+ * Preview provider for composable working with [Favourite]
+ */
+class FavouritePreviewProvider() : PreviewParameterProvider<Favourite> {
+
+    override val values: Sequence<Favourite>
+        get() = sequenceOf(
+            Favourite(
+                packageName = BuildConfig.APPLICATION_ID,
+                displayName = "Aurora Store",
+                iconURL = "",
+                added = 0L,
+                mode = Mode.MANUAL
+            )
+        )
+}

app/src/main/java/com/aurora/store/compose/ui/details/AppDetailsScreen.kt

@@ -53,6 +53,7 @@ import com.aurora.extensions.requiresObbDir
 import com.aurora.extensions.share
 import com.aurora.extensions.toast
 import com.aurora.gplayapi.data.models.App
+import com.aurora.gplayapi.data.models.Artwork
 import com.aurora.gplayapi.data.models.Review
 import com.aurora.store.R
 import com.aurora.store.compose.composable.Error

app/src/main/java/com/aurora/store/compose/ui/dev/DevProfileScreen.kt

@@ -38,7 +38,7 @@ import com.aurora.store.compose.preview.AppPreviewProvider
 import com.aurora.store.compose.preview.coilPreviewProvider
 import com.aurora.store.viewmodel.details.DevProfileViewModel
 import com.aurora.store.viewmodel.search.SearchViewModel
-import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.MutableStateFlow
 import kotlin.random.Random
 
 /**
@@ -132,7 +132,7 @@ private fun ScreenContent(
 private fun DevProfileScreenPreview(@PreviewParameter(AppPreviewProvider::class) app: App) {
     CompositionLocalProvider(LocalAsyncImagePreviewHandler provides coilPreviewProvider) {
         val apps = List(10) { app.copy(id = Random.nextInt()) }
-        val pagedApps = flowOf(PagingData.from(apps)).collectAsLazyPagingItems()
+        val pagedApps = MutableStateFlow(PagingData.from(apps)).collectAsLazyPagingItems()
 
         ScreenContent(
             topAppBarTitle = app.developerName,

app/src/main/java/com/aurora/store/compose/ui/downloads/DownloadsScreen.kt

@@ -13,6 +13,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.material3.Scaffold
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.saveable.rememberSaveable
@@ -23,11 +24,14 @@ import androidx.compose.ui.res.dimensionResource
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
 import androidx.paging.LoadState
+import androidx.paging.PagingData
 import androidx.paging.compose.LazyPagingItems
 import androidx.paging.compose.collectAsLazyPagingItems
 import androidx.paging.compose.itemKey
+import coil3.compose.LocalAsyncImagePreviewHandler
 import com.aurora.extensions.toast
 import com.aurora.store.R
 import com.aurora.store.compose.composable.DownloadListItem
@@ -35,10 +39,16 @@ import com.aurora.store.compose.composable.Error
 import com.aurora.store.compose.composable.ContainedLoadingIndicator
 import com.aurora.store.compose.composable.TopAppBar
 import com.aurora.extensions.emptyPagingItems
+import com.aurora.gplayapi.data.models.App
+import com.aurora.store.compose.preview.AppPreviewProvider
+import com.aurora.store.compose.preview.coilPreviewProvider
 import com.aurora.store.compose.ui.downloads.menu.DownloadsMenu
 import com.aurora.store.compose.ui.downloads.menu.MenuItem
+import com.aurora.store.data.model.DownloadStatus
 import com.aurora.store.data.room.download.Download
 import com.aurora.store.viewmodel.downloads.DownloadsViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlin.random.Random
 
 @Composable
 fun DownloadsScreen(
@@ -171,6 +181,15 @@ private fun ScreenContent(
 
 @Preview
 @Composable
-private fun DownloadsScreenPreview() {
+private fun DownloadsScreenPreview(@PreviewParameter(AppPreviewProvider::class) app: App) {
-    ScreenContent()
+    CompositionLocalProvider(LocalAsyncImagePreviewHandler provides coilPreviewProvider) {
+        val downloads = List(10) {
+            Download.fromApp(app).copy(
+                packageName = Random.nextInt().toString(),
+                status = DownloadStatus.entries.random()
+            )
+        }
+        val pagedDownloads = MutableStateFlow(PagingData.from(downloads)).collectAsLazyPagingItems()
+        ScreenContent(downloads = pagedDownloads)
+    }
 }

app/src/main/java/com/aurora/store/compose/ui/favourite/FavouriteScreen.kt

@@ -13,6 +13,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.material3.Scaffold
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.saveable.rememberSaveable
@@ -23,11 +24,14 @@ import androidx.compose.ui.res.dimensionResource
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
 import androidx.paging.LoadState
+import androidx.paging.PagingData
 import androidx.paging.compose.LazyPagingItems
 import androidx.paging.compose.collectAsLazyPagingItems
 import androidx.paging.compose.itemKey
+import coil3.compose.LocalAsyncImagePreviewHandler
 import com.aurora.Constants.JSON_MIME_TYPE
 import com.aurora.extensions.toast
 import com.aurora.store.R
@@ -36,11 +40,15 @@ import com.aurora.store.compose.composable.FavouriteListItem
 import com.aurora.store.compose.composable.ContainedLoadingIndicator
 import com.aurora.store.compose.composable.TopAppBar
 import com.aurora.extensions.emptyPagingItems
+import com.aurora.store.compose.preview.FavouritePreviewProvider
+import com.aurora.store.compose.preview.coilPreviewProvider
 import com.aurora.store.compose.ui.favourite.menu.FavouriteMenu
 import com.aurora.store.compose.ui.favourite.menu.MenuItem
 import com.aurora.store.data.room.favourite.Favourite
 import com.aurora.store.viewmodel.all.FavouriteViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
 import java.util.Calendar
+import kotlin.random.Random
 
 @Composable
 fun FavouriteScreen(
@@ -172,6 +180,15 @@ private fun ScreenContent(
 
 @Preview
 @Composable
-private fun FavouriteScreenPreview() {
+private fun FavouriteScreenPreview(
-    ScreenContent()
+    @PreviewParameter(FavouritePreviewProvider ::class) favourite: Favourite
+) {
+    CompositionLocalProvider(LocalAsyncImagePreviewHandler provides coilPreviewProvider) {
+        val favourites = List(10) {
+            favourite.copy(packageName = "${favourite.packageName}.${Random.nextInt()}")
+        }
+        val flow = MutableStateFlow(PagingData.from(favourites)).collectAsLazyPagingItems()
+
+        ScreenContent(favourites = flow)
+    }
 }

app/src/main/java/com/aurora/store/compose/ui/search/SearchScreen.kt

@@ -76,8 +76,8 @@ import com.aurora.store.compose.ui.details.AppDetailsScreen
 import com.aurora.store.data.model.SearchFilter
 import com.aurora.store.viewmodel.search.SearchViewModel
 import kotlinx.coroutines.android.awaitFrame
+import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.collectLatest
-import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.launch
 import kotlin.random.Random
 
@@ -417,7 +417,7 @@ private fun FilterHeader(
 @Composable
 private fun SearchScreenPreview(@PreviewParameter(AppPreviewProvider::class) app: App) {
     val apps = List(10) { app.copy(id = Random.nextInt()) }
-    val results = flowOf(PagingData.from(apps)).collectAsLazyPagingItems()
+    val results = MutableStateFlow(PagingData.from(apps)).collectAsLazyPagingItems()
 
     CompositionLocalProvider(LocalAsyncImagePreviewHandler provides coilPreviewProvider) {
         ScreenContent(results = results)