playlist bug fixes

app/src/main/java/com/github/libretube/adapters/PlaylistsAdapter.kt

@@ -67,7 +67,7 @@ class PlaylistsAdapter(
                 builder.show()
             }
             root.setOnClickListener {
-                NavigationHelper.navigatePlaylist(root.context, playlist.id)
+                NavigationHelper.navigatePlaylist(root.context, playlist.id, true)
             }
 
             root.setOnLongClickListener {

app/src/main/java/com/github/libretube/adapters/SearchAdapter.kt

@@ -171,7 +171,7 @@ class SearchAdapter(
                     root.context.getString(R.string.videoCount, item.videos.toString())
             }
             root.setOnClickListener {
-                NavigationHelper.navigatePlaylist(root.context, item.url)
+                NavigationHelper.navigatePlaylist(root.context, item.url, false)
             }
             root.setOnLongClickListener {
                 val playlistId = item.url!!.toID()

app/src/main/java/com/github/libretube/fragments/LibraryFragment.kt

@@ -9,6 +9,7 @@ import android.widget.Toast
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.github.libretube.Globals
 import com.github.libretube.R
 import com.github.libretube.adapters.PlaylistsAdapter
@@ -44,7 +45,7 @@ class LibraryFragment : BaseFragment() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        binding.playlistRecView.layoutManager = LinearLayoutManager(view.context)
+        binding.playlistRecView.layoutManager = LinearLayoutManager(requireContext())
         token = PreferenceHelper.getToken()
 
         // hide watch history button of history disabled
@@ -59,8 +60,7 @@ class LibraryFragment : BaseFragment() {
         }
 
         if (token != "") {
-            binding.boogh.visibility = View.GONE
+            binding.loginOrRegister.visibility = View.GONE
-            binding.textLike.visibility = View.GONE
             fetchPlaylists()
             binding.playlistRefresh.isEnabled = true
             binding.playlistRefresh.setOnRefreshListener {
@@ -103,26 +103,32 @@ class LibraryFragment : BaseFragment() {
                     binding.playlistRefresh.isRefreshing = false
                 }
                 if (response.isNotEmpty()) {
-                    runOnUiThread {
+                    binding.loginOrRegister.visibility = View.GONE
-                        binding.boogh.visibility = View.GONE
+
-                        binding.textLike.visibility = View.GONE
-                    }
                     val playlistsAdapter = PlaylistsAdapter(
                         response.toMutableList(),
                         childFragmentManager,
                         requireActivity()
                     )
+
+                    // listen for playlists to become deleted
+                    playlistsAdapter.registerAdapterDataObserver(object :
+                            RecyclerView.AdapterDataObserver() {
+                            override fun onChanged() {
+                                Log.e(TAG, playlistsAdapter.itemCount.toString())
+                                if (playlistsAdapter.itemCount == 0) {
+                                    binding.loginOrRegister.visibility = View.VISIBLE
+                                }
+                                super.onChanged()
+                            }
+                        })
+
                     binding.playlistRecView.adapter = playlistsAdapter
                 } else {
                     runOnUiThread {
-                        binding.boogh.apply {
+                        binding.loginOrRegister.visibility = View.VISIBLE
-                            visibility = View.VISIBLE
+                        binding.boogh.setImageResource(R.drawable.ic_list)
-                            setImageResource(R.drawable.ic_list)
+                        binding.textLike.text = getString(R.string.emptyList)
-                        }
-                        binding.textLike.apply {
-                            visibility = View.VISIBLE
-                            text = getString(R.string.emptyList)
-                        }
                     }
                 }
             }

app/src/main/java/com/github/libretube/fragments/PlaylistFragment.kt

@@ -14,7 +14,6 @@ import com.github.libretube.adapters.PlaylistAdapter
 import com.github.libretube.databinding.FragmentPlaylistBinding
 import com.github.libretube.dialogs.PlaylistOptionsDialog
 import com.github.libretube.extensions.BaseFragment
-import com.github.libretube.preferences.PreferenceHelper
 import com.github.libretube.util.RetrofitInstance
 import com.github.libretube.util.toID
 import retrofit2.HttpException
@@ -26,7 +25,7 @@ class PlaylistFragment : BaseFragment() {
 
     private var playlistId: String? = null
     private var isOwner: Boolean = false
-    var nextPage: String? = null
+    private var nextPage: String? = null
     private var playlistAdapter: PlaylistAdapter? = null
     private var isLoading = true
 
@@ -34,6 +33,7 @@ class PlaylistFragment : BaseFragment() {
         super.onCreate(savedInstanceState)
         arguments?.let {
             playlistId = it.getString("playlist_id")
+            isOwner = it.getBoolean("isOwner")
         }
     }
 
@@ -61,7 +61,8 @@ class PlaylistFragment : BaseFragment() {
             lifecycleScope.launchWhenCreated {
                 val response = try {
                     // load locally stored playlists with the auth api
-                    RetrofitInstance.authApi.getPlaylist(playlistId!!)
+                    if (isOwner) RetrofitInstance.authApi.getPlaylist(playlistId!!)
+                    else RetrofitInstance.api.getPlaylist(playlistId!!)
                 } catch (e: IOException) {
                     println(e)
                     Log.e(TAG, "IOException, you might not have internet connection")
@@ -75,14 +76,10 @@ class PlaylistFragment : BaseFragment() {
                 runOnUiThread {
                     binding.playlistProgress.visibility = View.GONE
                     binding.playlistName.text = response.name
-                    binding.playlistUploader.text = response.uploader
+                    binding.uploader.text = response.uploader
-                    binding.playlistTotVideos.text =
+                    binding.videoCount.text =
                         getString(R.string.videoCount, response.videos.toString())
 
-                    val user = PreferenceHelper.getUsername()
-                    // check whether the user owns the playlist
-                    isOwner = response.uploaderUrl == null && response.uploader.equals(user, true)
-
                     // show playlist options
                     binding.optionsMenu.setOnClickListener {
                         val optionsDialog =
@@ -100,6 +97,16 @@ class PlaylistFragment : BaseFragment() {
                         requireActivity(),
                         childFragmentManager
                     )
+
+                    // listen for playlist items to become deleted
+                    playlistAdapter!!.registerAdapterDataObserver(object :
+                            RecyclerView.AdapterDataObserver() {
+                            override fun onChanged() {
+                                binding.videoCount.text =
+                                    getString(R.string.videoCount, playlistAdapter!!.itemCount.toString())
+                            }
+                        })
+
                     binding.playlistRecView.adapter = playlistAdapter
                     binding.playlistScrollview.viewTreeObserver
                         .addOnScrollChangedListener {
@@ -111,8 +118,6 @@ class PlaylistFragment : BaseFragment() {
                                     isLoading = true
                                     fetchNextPage()
                                 }
-                            } else {
-                                // scroll view is not at bottom
                             }
                         }
 
@@ -155,7 +160,10 @@ class PlaylistFragment : BaseFragment() {
             lifecycleScope.launchWhenCreated {
                 val response = try {
                     // load locally stored playlists with the auth api
-                    RetrofitInstance.authApi.getPlaylistNextPage(
+                    if (isOwner) RetrofitInstance.authApi.getPlaylistNextPage(
+                        playlistId!!,
+                        nextPage!!
+                    ) else RetrofitInstance.api.getPlaylistNextPage(
                         playlistId!!,
                         nextPage!!
                     )

app/src/main/java/com/github/libretube/util/NavigationHelper.kt

@@ -10,7 +10,10 @@ import com.github.libretube.activities.MainActivity
 import com.github.libretube.fragments.PlayerFragment
 
 object NavigationHelper {
-    fun navigateChannel(context: Context, channelId: String?) {
+    fun navigateChannel(
+        context: Context,
+        channelId: String?
+    ) {
         if (channelId != null) {
             val activity = context as MainActivity
             val bundle = bundleOf("channel_id" to channelId)
@@ -28,7 +31,11 @@ object NavigationHelper {
         }
     }
 
-    fun navigateVideo(context: Context, videoId: String?, playlistId: String? = null) {
+    fun navigateVideo(
+        context: Context,
+        videoId: String?,
+        playlistId: String? = null
+    ) {
         if (videoId != null) {
             val bundle = Bundle()
             bundle.putString("videoId", videoId.toID())
@@ -45,10 +52,16 @@ object NavigationHelper {
         }
     }
 
-    fun navigatePlaylist(context: Context, playlistId: String?) {
+    fun navigatePlaylist(
+        context: Context,
+        playlistId: String?,
+        isOwner: Boolean
+    ) {
         if (playlistId != null) {
             val activity = context as MainActivity
-            val bundle = bundleOf("playlist_id" to playlistId)
+            val bundle = Bundle()
+            bundle.putString("playlist_id", playlistId)
+            bundle.putBoolean("isOwner", isOwner)
             activity.navController.navigate(R.id.playlistFragment, bundle)
         }
     }

app/src/main/res/layout/fragment_library.xml

@@ -7,7 +7,7 @@
     tools:context=".fragments.LibraryFragment">
 
     <RelativeLayout
-        android:id="@+id/loginOrRegister2"
+        android:id="@+id/loginOrRegister"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 

app/src/main/res/layout/fragment_playlist.xml

@@ -20,7 +20,7 @@
 
         <LinearLayout
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
+            android:layout_height="wrap_content"
             android:orientation="vertical">
 
             <LinearLayout
@@ -48,14 +48,14 @@
             </LinearLayout>
 
             <TextView
-                android:id="@+id/playlist_uploader"
+                android:id="@+id/uploader"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:padding="8dp"
                 android:textStyle="bold" />
 
             <TextView
-                android:id="@+id/playlist_totVideos"
+                android:id="@+id/video_count"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:padding="8dp" />