From 8787ef0fddf87c9dacab17083534f3e7e81e5402 Mon Sep 17 00:00:00 2001
From: Sebastiano Barezzi <seba@sebaubuntu.dev>
Date: Sun, 3 Nov 2024 20:14:47 +0100
Subject: [PATCH] Twelve: Album file types

Change-Id: Iecb01cfd3266949a7088354a98201c5101a1a59e
---
 .../twelve/fragments/AlbumFragment.kt         | 10 ++
 .../twelve/viewmodels/AlbumViewModel.kt       | 28 ++++++
 app/src/main/res/layout/album_labels.xml      | 97 +++++++++++++------
 3 files changed, 107 insertions(+), 28 deletions(-)

diff --git a/app/src/main/java/org/lineageos/twelve/fragments/AlbumFragment.kt b/app/src/main/java/org/lineageos/twelve/fragments/AlbumFragment.kt
index fe8d0072..f2426712 100644
--- a/app/src/main/java/org/lineageos/twelve/fragments/AlbumFragment.kt
+++ b/app/src/main/java/org/lineageos/twelve/fragments/AlbumFragment.kt
@@ -26,6 +26,7 @@ import androidx.navigation.ui.setupWithNavController
 import androidx.recyclerview.widget.RecyclerView
 import coil3.load
 import com.google.android.material.appbar.MaterialToolbar
+import com.google.android.material.card.MaterialCardView
 import com.google.android.material.progressindicator.LinearProgressIndicator
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.flow.collectLatest
@@ -54,6 +55,8 @@ class AlbumFragment : Fragment(R.layout.fragment_album) {
     // Views
     private val albumTitleTextView by getViewProperty<TextView>(R.id.albumTitleTextView)
     private val artistNameTextView by getViewProperty<TextView>(R.id.artistNameTextView)
+    private val fileTypeMaterialCardView by getViewProperty<MaterialCardView>(R.id.fileTypeMaterialCardView)
+    private val fileTypeTextView by getViewProperty<TextView>(R.id.fileTypeTextView)
     private val infoNestedScrollView by getViewProperty<NestedScrollView?>(R.id.infoNestedScrollView)
     private val linearProgressIndicator by getViewProperty<LinearProgressIndicator>(R.id.linearProgressIndicator)
     private val noElementsNestedScrollView by getViewProperty<NestedScrollView>(R.id.noElementsNestedScrollView)
@@ -317,6 +320,13 @@ class AlbumFragment : Fragment(R.layout.fragment_album) {
                     noElementsNestedScrollView.isVisible = isEmpty
                 }
             }
+
+            launch {
+                viewModel.albumFileTypes.collectLatest {
+                    fileTypeMaterialCardView.isVisible = it.isNotEmpty()
+                    fileTypeTextView.text = it.joinToString(" / ")
+                }
+            }
         }
     }
 
diff --git a/app/src/main/java/org/lineageos/twelve/viewmodels/AlbumViewModel.kt b/app/src/main/java/org/lineageos/twelve/viewmodels/AlbumViewModel.kt
index 7e28fbc1..18010e6f 100644
--- a/app/src/main/java/org/lineageos/twelve/viewmodels/AlbumViewModel.kt
+++ b/app/src/main/java/org/lineageos/twelve/viewmodels/AlbumViewModel.kt
@@ -20,6 +20,7 @@ import kotlinx.coroutines.flow.stateIn
 import org.lineageos.twelve.models.Audio
 import org.lineageos.twelve.models.RequestStatus
 import org.lineageos.twelve.models.UniqueItem
+import org.lineageos.twelve.utils.MimeUtils
 import kotlin.reflect.safeCast
 
 class AlbumViewModel(application: Application) : TwelveViewModel(application) {
@@ -108,6 +109,33 @@ class AlbumViewModel(application: Application) : TwelveViewModel(application) {
             listOf()
         )
 
+    @OptIn(ExperimentalCoroutinesApi::class)
+    val albumFileTypes = album
+        .filterNotNull()
+        .mapLatest {
+            when (it) {
+                is RequestStatus.Loading -> null
+
+                is RequestStatus.Success -> {
+                    it.data.second
+                        .map { audio -> audio.mimeType }
+                        .distinct()
+                        .takeIf { mimeTypes -> mimeTypes.size <= 2 }
+                        ?.mapNotNull { mimeType -> MimeUtils.mimeTypeToDisplayName(mimeType) }
+                        .orEmpty()
+                }
+
+                is RequestStatus.Error -> listOf()
+            }
+        }
+        .filterNotNull()
+        .flowOn(Dispatchers.IO)
+        .stateIn(
+            viewModelScope,
+            SharingStarted.WhileSubscribed(),
+            listOf()
+        )
+
     fun loadAlbum(albumUri: Uri) {
         this.albumUri.value = albumUri
     }
diff --git a/app/src/main/res/layout/album_labels.xml b/app/src/main/res/layout/album_labels.xml
index 18aa3de9..d5885758 100644
--- a/app/src/main/res/layout/album_labels.xml
+++ b/app/src/main/res/layout/album_labels.xml
@@ -18,38 +18,79 @@
         android:textAppearance="?attr/textAppearanceHeadlineMedium"
         tools:text="Sweet Revenge" />
 
-    <TextView
-        android:id="@+id/artistNameTextView"
+    <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:drawablePadding="8dp"
         android:gravity="center_vertical"
-        android:paddingVertical="4dp"
-        android:paddingStart="0dp"
-        android:paddingEnd="4dp"
-        android:textAppearance="?attr/textAppearanceLabelLarge"
-        android:textColor="@color/textview_pressed"
-        app:backgroundTint="@android:color/transparent"
-        app:drawableStartCompat="@drawable/ic_person"
-        app:drawableTint="@color/textview_pressed"
-        tools:text="Ryuichi Sakamoto" />
+        android:orientation="horizontal">
 
-    <TextView
-        android:id="@+id/yearTextView"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:textAppearance="?attr/textAppearanceLabelLarge"
-        android:textColor="?attr/colorOnSurfaceVariant"
-        android:visibility="gone"
-        tools:text="1994"
-        tools:visibility="visible" />
+        <LinearLayout
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:orientation="vertical">
 
-    <TextView
-        android:id="@+id/tracksInfoTextView"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:textAppearance="?attr/textAppearanceLabelLarge"
-        android:textColor="?attr/colorOnSurfaceVariant"
-        tools:text="7 tracks, 51 minutes" />
+            <TextView
+                android:id="@+id/artistNameTextView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:drawablePadding="8dp"
+                android:gravity="center_vertical"
+                android:paddingVertical="4dp"
+                android:paddingStart="0dp"
+                android:paddingEnd="4dp"
+                android:textAppearance="?attr/textAppearanceLabelLarge"
+                android:textColor="@color/textview_pressed"
+                app:backgroundTint="@android:color/transparent"
+                app:drawableStartCompat="@drawable/ic_person"
+                app:drawableTint="@color/textview_pressed"
+                tools:text="Ryuichi Sakamoto" />
+
+            <TextView
+                android:id="@+id/yearTextView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:textAppearance="?attr/textAppearanceLabelLarge"
+                android:textColor="?attr/colorOnSurfaceVariant"
+                android:visibility="gone"
+                tools:text="1994"
+                tools:visibility="visible" />
+
+            <TextView
+                android:id="@+id/tracksInfoTextView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:textAppearance="?attr/textAppearanceLabelLarge"
+                android:textColor="?attr/colorOnSurfaceVariant"
+                tools:text="7 tracks, 51 minutes" />
+
+        </LinearLayout>
+
+        <com.google.android.material.card.MaterialCardView
+            android:id="@+id/fileTypeMaterialCardView"
+            style="@style/Widget.Material3.CardView.Filled"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:visibility="gone"
+            app:cardBackgroundColor="?attr/colorPrimaryContainer"
+            app:cardCornerRadius="4dp"
+            app:contentPaddingLeft="4dp"
+            app:contentPaddingRight="4dp"
+            tools:visibility="visible">
+
+            <TextView
+                android:id="@+id/fileTypeTextView"
+                android:layout_width="wrap_content"
+                android:layout_height="24dp"
+                android:gravity="center"
+                android:textAlignment="gravity"
+                android:textAppearance="?attr/textAppearanceLabelMedium"
+                android:textColor="?attr/colorOnPrimaryContainer"
+                tools:text="FLAC / MPEG" />
+
+        </com.google.android.material.card.MaterialCardView>
+
+    </LinearLayout>
 
 </LinearLayout>