fetch full-res artist art and match the old artist layout

app/src/main/kotlin/com/subtracks/data/repo/SourceRepository.kt

@@ -65,6 +65,15 @@ class SourceRepository(
 
     fun streamUri(songId: String): String? = active?.streamUri(songId)?.toString()
 
+    suspend fun artistArt(
+        artistId: String,
+        thumbnail: Boolean = false,
+    ): CoverArtRef? {
+        val source = active ?: return null
+        val url = source.artistArtUri(artistId, thumbnail) ?: return null
+        return CoverArtRef(url = url, cacheKey = "${source.id}:artist:$artistId:$thumbnail")
+    }
+
     suspend fun addSource(
         name: String,
         address: String,

app/src/main/kotlin/com/subtracks/data/source/subsonic/SubsonicSource.kt

@@ -93,6 +93,16 @@ class SubsonicSource(
         )
     }
 
+    suspend fun artistArtUri(
+        artistId: String,
+        thumbnail: Boolean = false,
+    ): String? =
+        withContext(Dispatchers.IO) {
+            runCatching {
+                SubsonicXml.artistImageUrl(client.get("getArtistInfo2", mapOf("id" to artistId)), thumbnail)
+            }.getOrNull()
+        }
+
     private fun fetchRanks(): Pair<Map<String, Long>, Map<String, Long>> = fetchRank("frequent") to fetchRank("recent")
 
     private fun fetchRank(type: String): Map<String, Long> {

app/src/main/kotlin/com/subtracks/data/source/subsonic/SubsonicXml.kt

@@ -109,6 +109,25 @@ object SubsonicXml {
                 position = index.toLong(),
             )
         }
+
+    fun artistImageUrl(
+        document: Document,
+        thumbnail: Boolean,
+    ): String? {
+        val tag = if (thumbnail) "smallImageUrl" else "largeImageUrl"
+        return document
+            .elements("artistInfo2")
+            .firstOrNull()
+            ?.elements(tag)
+            ?.firstOrNull()
+            ?.textContent
+            ?.takeIf { it.isNotBlank() }
+    }
+}
+
+private fun Element.elements(tag: String): List<Element> {
+    val nodes = getElementsByTagName(tag)
+    return (0 until nodes.length).mapNotNull { nodes.item(it) as? Element }
 }
 
 private fun Document.elements(tag: String): List<Element> {

app/src/main/kotlin/com/subtracks/ui/library/ArtistDetailScreen.kt

@@ -2,19 +2,17 @@ package com.subtracks.ui.library
 
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.BoxWithConstraints
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
-import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.aspectRatio
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.grid.GridCells
-import androidx.compose.foundation.lazy.grid.GridItemSpan
 import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
 import androidx.compose.foundation.lazy.grid.items
-import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.rounded.ArrowBack
@@ -27,7 +25,6 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.text.style.TextOverflow
@@ -49,9 +46,11 @@ fun ArtistDetailRoute(
 ) {
     val artist by viewModel.artist.collectAsStateWithLifecycle(initialValue = null)
     val albums by viewModel.albums.collectAsStateWithLifecycle(initialValue = emptyList())
+    val art by viewModel.art.collectAsStateWithLifecycle()
     ArtistDetailScreen(
         artist = artist,
         albums = albums,
+        art = art,
         coverArt = viewModel::coverArt,
         onBack = onBack,
         onAlbumClick = onAlbumClick,
@@ -63,6 +62,7 @@ fun ArtistDetailRoute(
 fun ArtistDetailScreen(
     artist: Artist?,
     albums: List<Album>,
+    art: CoverArtRef?,
     coverArt: (String?, Boolean) -> CoverArtRef?,
     onBack: () -> Unit,
     onAlbumClick: (Album) -> Unit,
@@ -72,7 +72,14 @@ fun ArtistDetailScreen(
         modifier = modifier,
         topBar = {
             TopAppBar(
-                title = { Text(artist?.name.orEmpty(), maxLines = 1) },
+                title = {
+                    Text(
+                        text = artist?.name.orEmpty(),
+                        style = MaterialTheme.typography.headlineLarge,
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis,
+                    )
+                },
                 navigationIcon = {
                     IconButton(onClick = onBack) {
                         Icon(Icons.AutoMirrored.Rounded.ArrowBack, contentDescription = "Back")
@@ -81,50 +88,50 @@ fun ArtistDetailScreen(
             )
         },
     ) { padding ->
-        LazyVerticalGrid(
-            columns = GridCells.Fixed(3),
-            contentPadding = PaddingValues(16.dp),
-            horizontalArrangement = Arrangement.spacedBy(12.dp),
-            verticalArrangement = Arrangement.spacedBy(12.dp),
-            modifier = Modifier.padding(padding).fillMaxSize(),
-        ) {
-            item(span = { GridItemSpan(maxLineSpan) }) {
-                Row(
-                    modifier = Modifier.fillMaxWidth().padding(bottom = 8.dp),
-                    horizontalArrangement = Arrangement.spacedBy(16.dp),
-                    verticalAlignment = Alignment.CenterVertically,
+        BoxWithConstraints(Modifier.padding(padding).fillMaxSize()) {
+            val artHeight = maxHeight * 0.3f
+            Column(Modifier.fillMaxSize()) {
+                CoverArt(
+                    ref = art,
+                    name = artist?.name.orEmpty(),
+                    modifier = Modifier.fillMaxWidth().height(artHeight),
+                )
+                Text(
+                    text = "${albums.size} albums",
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    modifier = Modifier.padding(horizontal = 16.dp, vertical = 12.dp),
+                )
+                LazyVerticalGrid(
+                    columns = GridCells.Fixed(2),
+                    contentPadding = PaddingValues(start = 16.dp, end = 16.dp, bottom = 16.dp),
+                    horizontalArrangement = Arrangement.spacedBy(12.dp),
+                    verticalArrangement = Arrangement.spacedBy(16.dp),
+                    modifier = Modifier.fillMaxWidth().weight(1f),
                 ) {
-                    CoverArt(
-                        ref = coverArt(artist?.coverArt, false),
-                        name = artist?.name.orEmpty(),
-                        modifier = Modifier.size(120.dp).clip(CircleShape),
-                    )
-                    Column {
-                        Text(artist?.name.orEmpty(), style = MaterialTheme.typography.titleLarge)
-                        Text(
-                            text = "${albums.size} albums",
-                            style = MaterialTheme.typography.bodyMedium,
-                            color = MaterialTheme.colorScheme.onSurfaceVariant,
-                        )
+                    items(albums, key = { it.id }) { album ->
+                        Column(Modifier.clickable { onAlbumClick(album) }) {
+                            CoverArt(
+                                ref = coverArt(album.coverArt, false),
+                                name = album.name,
+                                modifier = Modifier.fillMaxWidth().aspectRatio(1f).clip(RoundedCornerShape(2.dp)),
+                            )
+                            Text(
+                                text = album.name,
+                                style = MaterialTheme.typography.bodyMedium,
+                                maxLines = 1,
+                                overflow = TextOverflow.Ellipsis,
+                                modifier = Modifier.padding(top = 6.dp),
+                            )
+                            Text(
+                                text = album.year?.takeIf { it > 0 }?.toString() ?: "\u00A0",
+                                style = MaterialTheme.typography.bodySmall,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                            )
+                        }
                     }
                 }
             }
-            items(albums, key = { it.id }) { album ->
-                Column(Modifier.clickable { onAlbumClick(album) }) {
-                    CoverArt(
-                        ref = coverArt(album.coverArt, true),
-                        name = album.name,
-                        modifier = Modifier.fillMaxWidth().aspectRatio(1f).clip(RoundedCornerShape(2.dp)),
-                    )
-                    Text(
-                        text = album.name,
-                        style = MaterialTheme.typography.bodySmall,
-                        maxLines = 1,
-                        overflow = TextOverflow.Ellipsis,
-                        modifier = Modifier.padding(top = 4.dp),
-                    )
-                }
-            }
         }
     }
 }

app/src/main/kotlin/com/subtracks/ui/library/ArtistDetailViewModel.kt

@@ -1,6 +1,7 @@
 package com.subtracks.ui.library
 
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import com.subtracks.data.model.Album
 import com.subtracks.data.model.Artist
 import com.subtracks.data.model.CoverArtRef
@@ -8,8 +9,12 @@ import com.subtracks.data.repo.LibraryRepository
 import com.subtracks.data.repo.SourceRepository
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalCoroutinesApi::class)
 class ArtistDetailViewModel(
@@ -23,6 +28,16 @@ class ArtistDetailViewModel(
 
     val albums: Flow<List<Album>> = sourceId.flatMapLatest { libraryRepository.artistAlbums(it, artistId) }
 
+    private val _art = MutableStateFlow<CoverArtRef?>(null)
+    val art: StateFlow<CoverArtRef?> = _art
+
+    init {
+        viewModelScope.launch {
+            val loaded = artist.filterNotNull().first()
+            _art.value = sourceRepository.artistArt(loaded.id) ?: sourceRepository.coverArt(loaded.coverArt)
+        }
+    }
+
     fun coverArt(
         coverArt: String?,
         thumbnail: Boolean,

app/src/test/kotlin/com/subtracks/data/source/subsonic/SubsonicXmlTest.kt

@@ -96,4 +96,29 @@ class SubsonicXmlTest {
         assertEquals("sg1", entries[0].songId)
         assertEquals(251L, SubsonicXml.song(1, document.getElementsByTagName("entry").item(0) as org.w3c.dom.Element).duration)
     }
+
+    @Test
+    fun mapsArtistImageUrls() {
+        val document =
+            parse(
+                """
+                <subsonic-response status="ok">
+                  <artistInfo2>
+                    <smallImageUrl>https://example.com/small.jpg</smallImageUrl>
+                    <largeImageUrl>https://example.com/large.jpg</largeImageUrl>
+                  </artistInfo2>
+                </subsonic-response>
+                """.trimIndent(),
+            )
+
+        assertEquals("https://example.com/large.jpg", SubsonicXml.artistImageUrl(document, thumbnail = false))
+        assertEquals("https://example.com/small.jpg", SubsonicXml.artistImageUrl(document, thumbnail = true))
+    }
+
+    @Test
+    fun artistImageUrlIsNullWhenAbsent() {
+        val document = parse("""<subsonic-response status="ok"><artistInfo2/></subsonic-response>""")
+
+        assertEquals(null, SubsonicXml.artistImageUrl(document, thumbnail = false))
+    }
 }

app/src/test/kotlin/com/subtracks/ui/AppScreenshotTest.kt

@@ -138,6 +138,7 @@ class AppScreenshotTest {
                 ArtistDetailScreen(
                     artist = Fixtures.artists.first(),
                     albums = Fixtures.albums.filter { it.artistId == Fixtures.artists.first().id },
+                    art = CoverArtRef("art-ar-radiohead", "test:art-ar-radiohead"),
                     coverArt = { id, _ -> id?.let { CoverArtRef(it, "test:$it") } },
                     onBack = {},
                     onAlbumClick = {},