Display public users on login fragment (#142)

* Add public users to login fragment

* Display user image and hide recyclerview if no public users

app/src/main/java/dev/jdtech/jellyfin/BindingAdapters.kt

@@ -12,6 +12,7 @@ import dev.jdtech.jellyfin.adapters.ServerGridAdapter
 import dev.jdtech.jellyfin.adapters.ViewItemListAdapter
 import dev.jdtech.jellyfin.api.JellyfinApi
 import dev.jdtech.jellyfin.database.Server
+import dev.jdtech.jellyfin.models.User
 import org.jellyfin.sdk.model.api.BaseItemDto
 import org.jellyfin.sdk.model.api.BaseItemKind
 import org.jellyfin.sdk.model.api.BaseItemPerson
@@ -57,7 +58,7 @@ fun bindItemBackdropById(imageView: ImageView, itemId: UUID) {
 @BindingAdapter("personImage")
 fun bindPersonImage(imageView: ImageView, person: BaseItemPerson) {
     imageView
-        .loadImage("/items/${person.id}/Images/${ImageType.PRIMARY}", R.drawable.person_placeholder)
+        .loadImage("/items/${person.id}/Images/${ImageType.PRIMARY}", placeholderId = R.drawable.person_placeholder)
         .posterDescription(person.name)
 }
 
@@ -104,14 +105,21 @@ fun bindSeasonPoster(imageView: ImageView, seasonId: UUID) {
     imageView.loadImage("/items/${seasonId}/Images/${ImageType.PRIMARY}")
 }
 
-private fun ImageView.loadImage(url: String, @DrawableRes errorPlaceHolderId: Int? = null): View {
+@BindingAdapter("userImage")
+fun bindUserImage(imageView: ImageView, user: User) {
+    imageView
+        .loadImage("/users/${user.id}/Images/${ImageType.PRIMARY}", placeholderId = R.drawable.user_placeholder)
+        .posterDescription(user.name)
+}
+
+private fun ImageView.loadImage(url: String, @DrawableRes placeholderId: Int = R.color.neutral_800, @DrawableRes errorPlaceHolderId: Int? = null): View {
     val api = JellyfinApi.getInstance(context.applicationContext)
 
     Glide
         .with(context)
         .load("${api.api.baseUrl}$url")
         .transition(DrawableTransitionOptions.withCrossFade())
-        .placeholder(R.color.neutral_800)
+        .placeholder(placeholderId)
         .error(errorPlaceHolderId)
         .into(this)
 

app/src/main/java/dev/jdtech/jellyfin/adapters/UserListAdapter.kt

@@ -0,0 +1,50 @@
+package dev.jdtech.jellyfin.adapters
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
+import androidx.recyclerview.widget.RecyclerView
+import dev.jdtech.jellyfin.databinding.UserItemBinding
+import dev.jdtech.jellyfin.models.User
+
+class UserListAdapter(
+    private val clickListener: (user: User) -> Unit
+) : ListAdapter<User, UserListAdapter.UserViewHolder>(DiffCallback) {
+    class UserViewHolder(private var binding: UserItemBinding) :
+        RecyclerView.ViewHolder(binding.root) {
+        fun bind(user: User) {
+            binding.user = user
+            binding.executePendingBindings()
+        }
+    }
+
+    companion object DiffCallback : DiffUtil.ItemCallback<User>() {
+        override fun areItemsTheSame(oldItem: User, newItem: User): Boolean {
+            return oldItem.id == newItem.id
+        }
+
+        override fun areContentsTheSame(oldItem: User, newItem: User): Boolean {
+            return oldItem == newItem
+        }
+    }
+
+    override fun onCreateViewHolder(
+        parent: ViewGroup,
+        viewType: Int
+    ): UserViewHolder {
+        return UserViewHolder(
+            UserItemBinding.inflate(
+                LayoutInflater.from(parent.context),
+                parent,
+                false
+            )
+        )
+    }
+
+    override fun onBindViewHolder(holder: UserViewHolder, position: Int) {
+        val user = getItem(position)
+        holder.itemView.setOnClickListener { clickListener(user) }
+        holder.bind(user)
+    }
+}

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

@@ -17,6 +17,7 @@ import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
 import androidx.navigation.fragment.findNavController
 import dagger.hilt.android.AndroidEntryPoint
+import dev.jdtech.jellyfin.adapters.UserListAdapter
 import dev.jdtech.jellyfin.databinding.FragmentLoginBinding
 import dev.jdtech.jellyfin.viewmodels.LoginViewModel
 import kotlinx.coroutines.launch
@@ -51,11 +52,16 @@ class LoginFragment : Fragment() {
             login()
         }
 
+        binding.usersRecyclerView.adapter = UserListAdapter { user ->
+            (binding.editTextUsername as AppCompatEditText).setText(user.name)
+            (binding.editTextPassword as AppCompatEditText).requestFocus()
+        }
+
         viewLifecycleOwner.lifecycleScope.launch {
             viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
                 viewModel.uiState.collect { uiState ->
                     Timber.d("$uiState")
-                    when(uiState) {
+                    when (uiState) {
                         is LoginViewModel.UiState.Normal -> bindUiStateNormal()
                         is LoginViewModel.UiState.Error -> bindUiStateError(uiState)
                         is LoginViewModel.UiState.Loading -> bindUiStateLoading()
@@ -64,6 +70,17 @@ class LoginFragment : Fragment() {
             }
         }
 
+        viewLifecycleOwner.lifecycleScope.launch {
+            viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
+                viewModel.usersState.collect { usersState ->
+                    when (usersState) {
+                        is LoginViewModel.UsersState.Loading -> Unit
+                        is LoginViewModel.UsersState.Users -> bindUsersStateUsers(usersState)
+                    }
+                }
+            }
+        }
+
         viewLifecycleOwner.lifecycleScope.launch {
             viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
                 viewModel.navigateToMain.collect {
@@ -102,6 +119,16 @@ class LoginFragment : Fragment() {
         }
     }
 
+    private fun bindUsersStateUsers(usersState: LoginViewModel.UsersState.Users) {
+        val users = usersState.users
+        if (users.isEmpty()) {
+            binding.usersRecyclerView.isVisible = false
+        } else {
+            binding.usersRecyclerView.isVisible = true
+            (binding.usersRecyclerView.adapter as UserListAdapter).submitList(users)
+        }
+    }
+
     private fun login() {
         val username = (binding.editTextUsername as AppCompatEditText).text.toString()
         val password = (binding.editTextPassword as AppCompatEditText).text.toString()

app/src/main/java/dev/jdtech/jellyfin/models/User.kt

@@ -0,0 +1,8 @@
+package dev.jdtech.jellyfin.models
+
+import java.util.UUID
+
+data class User(
+    val id: UUID,
+    val name: String
+)

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

@@ -9,6 +9,7 @@ import dev.jdtech.jellyfin.R
 import dev.jdtech.jellyfin.api.JellyfinApi
 import dev.jdtech.jellyfin.database.Server
 import dev.jdtech.jellyfin.database.ServerDatabaseDao
+import dev.jdtech.jellyfin.models.User
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -18,8 +19,8 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import org.jellyfin.sdk.model.api.AuthenticateUserByName
 import timber.log.Timber
-import java.lang.Exception
 import javax.inject.Inject
+import kotlin.Exception
 
 @HiltViewModel
 class LoginViewModel
@@ -34,6 +35,8 @@ constructor(
 
     private val _uiState = MutableStateFlow<UiState>(UiState.Normal)
     val uiState = _uiState.asStateFlow()
+    private val _usersState = MutableStateFlow<UsersState>(UsersState.Loading)
+    val usersState = _usersState.asStateFlow()
     private val _navigateToMain = MutableSharedFlow<Boolean>()
     val navigateToMain = _navigateToMain.asSharedFlow()
 
@@ -43,6 +46,28 @@ constructor(
         data class Error(val message: String) : UiState()
     }
 
+    sealed class UsersState {
+        object Loading : UsersState()
+        data class Users(val users: List<User>) : UsersState()
+    }
+
+    init {
+        loadPublicUsers()
+    }
+
+    private fun loadPublicUsers() {
+        viewModelScope.launch {
+            _usersState.emit(UsersState.Loading)
+            try {
+                val publicUsers by jellyfinApi.userApi.getPublicUsers()
+                val users = publicUsers.map { User(it.id, it.name.orEmpty()) }
+                _usersState.emit(UsersState.Users(users))
+            } catch (e: Exception) {
+                _usersState.emit(UsersState.Users(emptyList()))
+            }
+        }
+    }
+
     /**
      * Send a authentication request to the Jellyfin server
      *

app/src/main/res/drawable-television/user_placeholder.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <shape android:shape="rectangle">
+            <solid android:color="?attr/colorPrimary" />
+        </shape>
+    </item>
+    <item
+        android:bottom="18dp"
+        android:drawable="@drawable/ic_user"
+        android:end="18dp"
+        android:gravity="center"
+        android:start="18dp"
+        android:top="18dp" />
+</layer-list>

app/src/main/res/drawable/ic_user_color_on_primary.xml

@@ -0,0 +1,21 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorOnPrimary"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M20,21v-2a4,4 0,0 0,-4 -4H8a4,4 0,0 0,-4 4v2"
+        android:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M12,7m-4,0a4,4 0,1 1,8 0a4,4 0,1 1,-8 0"
+        android:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round" />
+</vector>

app/src/main/res/drawable/user_placeholder.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <shape android:shape="rectangle">
+            <solid android:color="?attr/colorPrimary" />
+        </shape>
+    </item>
+    <item
+        android:bottom="18dp"
+        android:drawable="@drawable/ic_user_color_on_primary"
+        android:end="18dp"
+        android:gravity="center"
+        android:start="18dp"
+        android:top="18dp" />
+</layer-list>

app/src/main/res/layout-television/fragment_login.xml

@@ -26,8 +26,6 @@
             android:id="@+id/linearLayout"
             android:layout_width="@dimen/setup_container_width"
             android:layout_height="wrap_content"
-            android:layout_marginStart="24dp"
-            android:layout_marginEnd="24dp"
             android:orientation="vertical"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
@@ -39,15 +37,31 @@
                 android:id="@+id/text_login"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:layout_marginHorizontal="24dp"
                 android:layout_marginBottom="32dp"
                 android:text="@string/login"
                 android:textAppearance="@style/TextAppearance.MaterialComponents.Headline5"
                 android:textColor="?android:textColorPrimary" />
 
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/users_recycler_view"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="12dp"
+                android:clipToPadding="false"
+                android:orientation="horizontal"
+                android:paddingHorizontal="12dp"
+                android:visibility="gone"
+                app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+                tools:itemCount="2"
+                tools:listitem="@layout/user_item"
+                tools:visibility="visible" />
+
             <EditText
                 android:id="@+id/edit_text_username"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_marginHorizontal="24dp"
                 android:layout_marginBottom="12dp"
                 android:autofillHints="username"
                 android:hint="@string/edit_text_username_hint"
@@ -57,6 +71,7 @@
                 android:id="@+id/edit_text_password"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_marginHorizontal="24dp"
                 android:layout_marginBottom="24dp"
                 android:autofillHints="password"
                 android:hint="@string/edit_text_password_hint"
@@ -66,7 +81,8 @@
 
             <RelativeLayout
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content">
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="24dp">
 
                 <Button
                     android:id="@+id/button_login"

app/src/main/res/layout-television/user_item.xml

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+
+        <variable
+            name="user"
+            type="dev.jdtech.jellyfin.models.User" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="64dp"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="12dp"
+        android:background="@drawable/focus_border"
+        android:clickable="true"
+        android:focusable="true"
+        android:focusableInTouchMode="true">
+
+        <com.google.android.material.imageview.ShapeableImageView
+            android:id="@+id/user_image"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:duplicateParentState="true"
+            android:importantForAccessibility="no"
+            android:scaleType="centerCrop"
+            app:layout_constraintDimensionRatio="w,1:1"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Findroid.Image"
+            app:userImage="@{user}" />
+
+        <TextView
+            android:id="@+id/user_name"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:text="@{user.name}"
+            android:textAlignment="center"
+            android:textAppearance="@style/TextAppearance.Material3.BodyMedium"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/user_image"
+            tools:text="username" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</layout>

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

@@ -26,8 +26,6 @@
             android:id="@+id/linearLayout"
             android:layout_width="@dimen/setup_container_width"
             android:layout_height="wrap_content"
-            android:layout_marginStart="24dp"
-            android:layout_marginEnd="24dp"
             android:orientation="vertical"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
@@ -39,16 +37,32 @@
                 android:id="@+id/text_login"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:layout_marginHorizontal="24dp"
                 android:layout_marginBottom="32dp"
                 android:text="@string/login"
                 android:textAppearance="@style/TextAppearance.Material3.HeadlineMedium"
                 android:textColor="?android:textColorPrimary" />
 
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/users_recycler_view"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="12dp"
+                android:clipToPadding="false"
+                android:orientation="horizontal"
+                android:paddingHorizontal="12dp"
+                android:visibility="gone"
+                app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+                tools:itemCount="2"
+                tools:listitem="@layout/user_item"
+                tools:visibility="visible" />
+
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/edit_text_username_layout"
                 style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_marginHorizontal="24dp"
                 android:layout_marginBottom="12dp"
                 android:hint="@string/edit_text_username_hint"
                 app:startIconDrawable="@drawable/ic_user">
@@ -67,6 +81,7 @@
                 style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_marginHorizontal="24dp"
                 android:layout_marginBottom="24dp"
                 android:hint="@string/edit_text_password_hint"
                 app:passwordToggleEnabled="true"
@@ -84,7 +99,8 @@
 
             <RelativeLayout
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content">
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="24dp">
 
                 <Button
                     android:id="@+id/button_login"

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

@@ -16,8 +16,7 @@
         android:layout_marginHorizontal="12dp"
         android:clickable="true"
         android:focusable="true"
-        android:foreground="@drawable/ripple_background"
-        android:orientation="vertical">
+        android:foreground="@drawable/ripple_background">
 
         <com.google.android.material.imageview.ShapeableImageView
             android:id="@+id/episode_image"

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

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+
+        <variable
+            name="user"
+            type="dev.jdtech.jellyfin.models.User" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="64dp"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="12dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:foreground="@drawable/ripple_background">
+
+        <com.google.android.material.imageview.ShapeableImageView
+            android:id="@+id/user_image"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:importantForAccessibility="no"
+            android:scaleType="centerCrop"
+            app:layout_constraintDimensionRatio="w,1:1"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Findroid.Image"
+            app:userImage="@{user}" />
+
+        <TextView
+            android:id="@+id/user_name"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:maxLines="1"
+            android:text="@{user.name}"
+            android:textAlignment="center"
+            android:textAppearance="@style/TextAppearance.Material3.BodyMedium"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/user_image"
+            tools:text="username" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</layout>