Implement more dynamic data to MediaInfoFragment

app/src/main/java/dev/jdtech/jellyfin/fragments/MediaInfoFragment.kt

@@ -35,6 +35,14 @@ class MediaInfoFragment : Fragment() {
         val viewModelFactory = MediaInfoViewModelFactory(requireNotNull(this.activity).application, args.itemId)
         viewModel = ViewModelProvider(this, viewModelFactory).get(MediaInfoViewModel::class.java)
         binding.viewModel = viewModel
+
+        viewModel.item.observe(viewLifecycleOwner, {
+            if (it.originalTitle != it.name) {
+                binding.originalTitle.visibility = View.VISIBLE
+            } else {
+                binding.originalTitle.visibility = View.GONE
+            }
+        })
     }
 
 }

app/src/main/java/dev/jdtech/jellyfin/viewmodels/MediaInfoViewModel.kt

@@ -1,6 +1,8 @@
 package dev.jdtech.jellyfin.viewmodels
 
 import android.app.Application
+import android.os.Build
+import android.util.Log
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
@@ -10,6 +12,8 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import org.jellyfin.sdk.model.api.BaseItemDto
+import org.jellyfin.sdk.model.api.BaseItemPerson
+import org.jellyfin.sdk.model.api.PersonLookupInfo
 import java.util.*
 
 class MediaInfoViewModel(application: Application, itemId: UUID) : AndroidViewModel(application) {
@@ -18,17 +22,90 @@ class MediaInfoViewModel(application: Application, itemId: UUID) : AndroidViewMo
     private val _item = MutableLiveData<BaseItemDto>()
     val item: LiveData<BaseItemDto> = _item
 
+    private val _actors = MutableLiveData<List<BaseItemPerson>>()
+    val actors: LiveData<List<BaseItemPerson>> = _actors
+
+    private val _director = MutableLiveData<BaseItemPerson>()
+    val director: LiveData<BaseItemPerson> = _director
+
+    private val _writers = MutableLiveData<List<BaseItemPerson>>()
+    val writers: LiveData<List<BaseItemPerson>> = _writers
+    private val _writersString = MutableLiveData<String>()
+    val writersString: LiveData<String> = _writersString
+
+    private val _genresString = MutableLiveData<String>()
+    val genresString: LiveData<String> = _genresString
+
+    private val _runTime = MutableLiveData<String>()
+    val runTime: LiveData<String> = _runTime
+
+    private val _dateString = MutableLiveData<String>()
+    val dateString: LiveData<String> = _dateString
+
     init {
         viewModelScope.launch {
             _item.value = getItemDetails(itemId)
+            _actors.value = getActors(_item.value!!)
+            _director.value = getDirector(_item.value!!)
+            _writers.value = getWriters(_item.value!!)
+            _writersString.value = _writers.value?.joinToString(separator = ", ") { it.name.toString() }
+            _genresString.value = _item.value?.genres?.joinToString(separator = ", ")
+            _runTime.value = "${_item.value?.runTimeTicks?.div(600000000)} min"
+            _dateString.value = getDateString(_item.value!!)
+            _item.value!!.status?.let { Log.i("MediaInfoViewModel", it) }
         }
     }
 
-    private suspend fun getItemDetails(itemId: UUID) : BaseItemDto {
+    private suspend fun getItemDetails(itemId: UUID): BaseItemDto {
         val item: BaseItemDto
         withContext(Dispatchers.IO) {
             item = jellyfinApi.userLibraryApi.getItem(jellyfinApi.userId!!, itemId).content
         }
         return item
     }
+
+    private suspend fun getActors(item: BaseItemDto): List<BaseItemPerson>? {
+        val actors: List<BaseItemPerson>?
+        withContext(Dispatchers.Default) {
+            actors = item.people?.filter { it.type == "Actor" }
+        }
+        return actors
+    }
+
+    private suspend fun getDirector(item: BaseItemDto): BaseItemPerson? {
+        val director: BaseItemPerson?
+        withContext(Dispatchers.Default) {
+            director = item.people?.firstOrNull { it.type == "Director" }
+        }
+        return director
+    }
+
+    private suspend fun getWriters(item: BaseItemDto): List<BaseItemPerson>? {
+        val writers: List<BaseItemPerson>?
+        withContext(Dispatchers.Default) {
+            writers = item.people?.filter { it.type == "Writer" }
+        }
+        return writers
+    }
+
+    private fun getDateString(item: BaseItemDto): String {
+        val dateString: String = item.productionYear.toString()
+        return when (item.status) {
+            "Continuing" -> dateString.plus(" - Present")
+            "Ended" -> {
+                return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    return if (item.productionYear == item.endDate?.year) {
+                        dateString
+                    } else {
+                        dateString.plus(" - ${item.endDate?.year}")
+                    }
+                } else {
+                    // TODO: Implement a way to get the year from LocalDateTime in Android < O
+                    dateString
+                }
+
+            }
+            else -> dateString
+        }
+    }
 }

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

@@ -5,6 +5,8 @@
 
     <data>
 
+        <import type="android.view.View" />
+
         <variable
             name="viewModel"
             type="dev.jdtech.jellyfin.viewmodels.MediaInfoViewModel" />
@@ -18,6 +20,7 @@
         tools:context=".fragments.MediaInfoFragment">
 
         <TextView
+            android:id="@+id/original_title"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginBottom="12dp"
@@ -35,7 +38,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginEnd="8dp"
-                android:text="@{viewModel.item.productionYear.toString()}"
+                android:text="@{viewModel.dateString}"
                 android:textAppearance="@style/TextAppearance.AppCompat.Body1"
                 tools:text="2019" />
 
@@ -44,7 +47,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginEnd="8dp"
-                android:text="@{viewModel.item.runTimeTicks.toString()}"
+                android:text="@{viewModel.runTime}"
                 android:textAppearance="@style/TextAppearance.AppCompat.Body1"
                 tools:text="122 min" />
 
@@ -70,14 +73,15 @@
             android:id="@+id/info"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginBottom="24dp"
+            android:layout_marginBottom="12dp"
             android:orientation="vertical">
 
             <androidx.constraintlayout.widget.ConstraintLayout
                 android:id="@+id/genres_layout"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_marginBottom="12dp">
+                android:layout_marginBottom="12dp"
+                android:visibility="@{viewModel.item.genres.size() &lt; 1 ? View.GONE : View.VISIBLE}">
 
                 <TextView
                     android:id="@+id/genres_title"
@@ -93,6 +97,7 @@
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
                     android:layout_marginStart="64dp"
+                    android:text="@{viewModel.genresString}"
                     android:textAppearance="@style/TextAppearance.AppCompat.Body1"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
@@ -104,7 +109,8 @@
                 android:id="@+id/director_layout"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_marginBottom="12dp">
+                android:layout_marginBottom="12dp"
+                android:visibility="@{viewModel.director == null ? View.GONE : View.VISIBLE}">
 
                 <TextView
                     android:id="@+id/director_title"
@@ -120,6 +126,7 @@
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
                     android:layout_marginStart="64dp"
+                    android:text="@{viewModel.director.name}"
                     android:textAppearance="@style/TextAppearance.AppCompat.Body1"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
@@ -130,7 +137,9 @@
             <androidx.constraintlayout.widget.ConstraintLayout
                 android:id="@+id/writers_layout"
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content">
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="12dp"
+                android:visibility="@{viewModel.writers.size() &lt; 1 ? View.GONE : View.VISIBLE}">
 
                 <TextView
                     android:id="@+id/writers_title"
@@ -138,7 +147,6 @@
                     android:layout_height="wrap_content"
                     android:text="@string/writers"
                     android:textAppearance="@style/TextAppearance.AppCompat.Body1"
-
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toTopOf="parent" />
 
@@ -147,6 +155,7 @@
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
                     android:layout_marginStart="64dp"
+                    android:text="@{viewModel.writersString}"
                     android:textAppearance="@style/TextAppearance.AppCompat.Body1"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"