Add or remove from lists in AccountActivity

app/src/main/java/com/keylesspalace/tusky/components/account/AccountActivity.kt

@@ -53,6 +53,7 @@ import com.keylesspalace.tusky.EditProfileActivity
 import com.keylesspalace.tusky.R
 import com.keylesspalace.tusky.StatusListActivity
 import com.keylesspalace.tusky.ViewMediaActivity
+import com.keylesspalace.tusky.components.account.list.ListsForAccountFragment
 import com.keylesspalace.tusky.components.compose.ComposeActivity
 import com.keylesspalace.tusky.components.report.ReportActivity
 import com.keylesspalace.tusky.databinding.ActivityAccountBinding
@@ -740,6 +741,10 @@ class AccountActivity : BottomSheetActivity(), ActionButtonActivity, HasAndroidI
             menu.removeItem(R.id.action_report)
         }
 
+        if (!viewModel.isSelf && followState != FollowState.FOLLOWING) {
+            menu.removeItem(R.id.action_add_or_remove_from_list)
+        }
+
         return super.onCreateOptionsMenu(menu)
     }
 
@@ -852,6 +857,10 @@ class AccountActivity : BottomSheetActivity(), ActionButtonActivity, HasAndroidI
                 toggleMute()
                 return true
             }
+            R.id.action_add_or_remove_from_list -> {
+                ListsForAccountFragment.newInstance(viewModel.accountId).show(supportFragmentManager, null)
+                return true
+            }
             R.id.action_mute_domain -> {
                 toggleBlockDomain(domain)
                 return true

app/src/main/java/com/keylesspalace/tusky/components/account/list/ListsForAccountFragment.kt

@@ -0,0 +1,206 @@
+/* Copyright 2022 kyori19
+ *
+ * This file is a part of Tusky.
+ *
+ * This program is free software; you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with Tusky; if not,
+ * see <http://www.gnu.org/licenses>.
+ */
+
+package com.keylesspalace.tusky.components.account.list
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.LinearLayout
+import androidx.fragment.app.DialogFragment
+import androidx.fragment.app.viewModels
+import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.ListAdapter
+import com.google.android.material.snackbar.Snackbar
+import com.keylesspalace.tusky.R
+import com.keylesspalace.tusky.databinding.FragmentListsForAccountBinding
+import com.keylesspalace.tusky.databinding.ItemAddOrRemoveFromListBinding
+import com.keylesspalace.tusky.di.Injectable
+import com.keylesspalace.tusky.di.ViewModelFactory
+import com.keylesspalace.tusky.util.BindingHolder
+import com.keylesspalace.tusky.util.hide
+import com.keylesspalace.tusky.util.show
+import com.keylesspalace.tusky.util.viewBinding
+import com.keylesspalace.tusky.util.visible
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+import java.io.IOException
+import javax.inject.Inject
+
+class ListsForAccountFragment : DialogFragment(), Injectable {
+
+    @Inject
+    lateinit var viewModelFactory: ViewModelFactory
+
+    private val viewModel: ListsForAccountViewModel by viewModels { viewModelFactory }
+    private val binding by viewBinding(FragmentListsForAccountBinding::bind)
+
+    private val adapter = Adapter()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setStyle(STYLE_NORMAL, R.style.TuskyDialogFragmentStyle)
+
+        viewModel.setup(requireArguments().getString(ARG_ACCOUNT_ID)!!)
+    }
+
+    override fun onStart() {
+        super.onStart()
+        dialog?.apply {
+            window?.setLayout(
+                LinearLayout.LayoutParams.MATCH_PARENT,
+                LinearLayout.LayoutParams.MATCH_PARENT,
+            )
+        }
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_lists_for_account, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        binding.listsView.layoutManager = LinearLayoutManager(view.context)
+        binding.listsView.adapter = adapter
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            viewModel.states.collectLatest { states ->
+                binding.progressBar.hide()
+                if (states.isEmpty()) {
+                    binding.messageView.show()
+                    binding.messageView.setup(R.drawable.elephant_friend_empty, R.string.no_lists) {
+                        load()
+                    }
+                } else {
+                    binding.listsView.show()
+                    adapter.submitList(states)
+                }
+            }
+        }
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            viewModel.loadError.collectLatest { error ->
+                binding.progressBar.hide()
+                binding.listsView.hide()
+                binding.messageView.apply {
+                    show()
+
+                    if (error is IOException) {
+                        setup(R.drawable.elephant_offline, R.string.error_network) {
+                            load()
+                        }
+                    } else {
+                        setup(R.drawable.elephant_error, R.string.error_generic) {
+                            load()
+                        }
+                    }
+                }
+            }
+        }
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            viewModel.actionError.collectLatest { error ->
+                when (error.type) {
+                    ActionError.Type.ADD -> {
+                        Snackbar.make(binding.root, R.string.failed_to_add_to_list, Snackbar.LENGTH_LONG)
+                            .setAction(R.string.action_retry) {
+                                viewModel.addAccountToList(error.listId)
+                            }
+                            .show()
+                    }
+                    ActionError.Type.REMOVE -> {
+                        Snackbar.make(binding.root, R.string.failed_to_remove_from_list, Snackbar.LENGTH_LONG)
+                            .setAction(R.string.action_retry) {
+                                viewModel.removeAccountFromList(error.listId)
+                            }
+                            .show()
+                    }
+                }
+            }
+        }
+
+        load()
+    }
+
+    private fun load() {
+        binding.progressBar.show()
+        binding.listsView.hide()
+        binding.messageView.hide()
+        viewModel.load()
+    }
+
+    private object Differ : DiffUtil.ItemCallback<AccountListState>() {
+        override fun areItemsTheSame(
+            oldItem: AccountListState,
+            newItem: AccountListState
+        ): Boolean {
+            return oldItem.list.id == newItem.list.id
+        }
+
+        override fun areContentsTheSame(
+            oldItem: AccountListState,
+            newItem: AccountListState
+        ): Boolean {
+            return oldItem == newItem
+        }
+    }
+
+    inner class Adapter :
+        ListAdapter<AccountListState, BindingHolder<ItemAddOrRemoveFromListBinding>>(Differ) {
+        override fun onCreateViewHolder(
+            parent: ViewGroup,
+            viewType: Int,
+        ): BindingHolder<ItemAddOrRemoveFromListBinding> {
+            val binding =
+                ItemAddOrRemoveFromListBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+            return BindingHolder(binding)
+        }
+
+        override fun onBindViewHolder(holder: BindingHolder<ItemAddOrRemoveFromListBinding>, position: Int) {
+            val item = getItem(position)
+            holder.binding.listNameView.text = item.list.title
+            holder.binding.addButton.apply {
+                visible(!item.includesAccount)
+                setOnClickListener {
+                    viewModel.addAccountToList(item.list.id)
+                }
+            }
+            holder.binding.removeButton.apply {
+                visible(item.includesAccount)
+                setOnClickListener {
+                    viewModel.removeAccountFromList(item.list.id)
+                }
+            }
+        }
+    }
+
+    companion object {
+        private const val ARG_ACCOUNT_ID = "accountId"
+
+        fun newInstance(accountId: String): ListsForAccountFragment {
+            val args = Bundle().apply {
+                putString(ARG_ACCOUNT_ID, accountId)
+            }
+            return ListsForAccountFragment().apply { arguments = args }
+        }
+    }
+}

app/src/main/java/com/keylesspalace/tusky/components/account/list/ListsForAccountViewModel.kt

@@ -0,0 +1,137 @@
+/* Copyright 2022 kyori19
+ *
+ * This file is a part of Tusky.
+ *
+ * This program is free software; you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with Tusky; if not,
+ * see <http://www.gnu.org/licenses>.
+ */
+
+package com.keylesspalace.tusky.components.account.list
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import at.connyduck.calladapter.networkresult.getOrThrow
+import at.connyduck.calladapter.networkresult.onFailure
+import at.connyduck.calladapter.networkresult.onSuccess
+import at.connyduck.calladapter.networkresult.runCatching
+import com.keylesspalace.tusky.entity.MastoList
+import com.keylesspalace.tusky.network.MastodonApi
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+data class AccountListState(
+    val list: MastoList,
+    val includesAccount: Boolean,
+)
+
+data class ActionError(
+    val error: Throwable,
+    val type: Type,
+    val listId: String,
+) : Throwable(error) {
+    enum class Type {
+        ADD,
+        REMOVE,
+    }
+}
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class ListsForAccountViewModel @Inject constructor(
+    private val mastodonApi: MastodonApi,
+) : ViewModel() {
+
+    private lateinit var accountId: String
+
+    private val _states = MutableSharedFlow<List<AccountListState>>(1)
+    val states: SharedFlow<List<AccountListState>> = _states
+
+    private val _loadError = MutableSharedFlow<Throwable>(1)
+    val loadError: SharedFlow<Throwable> = _loadError
+
+    private val _actionError = MutableSharedFlow<ActionError>(1)
+    val actionError: SharedFlow<ActionError> = _actionError
+
+    fun setup(accountId: String) {
+        this.accountId = accountId
+    }
+
+    fun load() {
+        _loadError.resetReplayCache()
+        viewModelScope.launch {
+            runCatching {
+                val (all, includes) = listOf(
+                    async { mastodonApi.getLists() },
+                    async { mastodonApi.getListsIncludesAccount(accountId) },
+                ).awaitAll()
+
+                _states.emit(
+                    all.getOrThrow().map { list ->
+                        AccountListState(
+                            list = list,
+                            includesAccount = includes.getOrThrow().any { it.id == list.id },
+                        )
+                    }
+                )
+            }
+                .onFailure {
+                    _loadError.emit(it)
+                }
+        }
+    }
+
+    fun addAccountToList(listId: String) {
+        _actionError.resetReplayCache()
+        viewModelScope.launch {
+            mastodonApi.addAccountToList(listId, listOf(accountId))
+                .onSuccess {
+                    _states.emit(
+                        _states.first().map { state ->
+                            if (state.list.id == listId) {
+                                state.copy(includesAccount = true)
+                            } else {
+                                state
+                            }
+                        }
+                    )
+                }
+                .onFailure {
+                    _actionError.emit(ActionError(it, ActionError.Type.ADD, listId))
+                }
+        }
+    }
+
+    fun removeAccountFromList(listId: String) {
+        _actionError.resetReplayCache()
+        viewModelScope.launch {
+            mastodonApi.deleteAccountFromList(listId, listOf(accountId))
+                .onSuccess {
+                    _states.emit(
+                        _states.first().map { state ->
+                            if (state.list.id == listId) {
+                                state.copy(includesAccount = false)
+                            } else {
+                                state
+                            }
+                        }
+                    )
+                }
+                .onFailure {
+                    _actionError.emit(ActionError(it, ActionError.Type.REMOVE, listId))
+                }
+        }
+    }
+}

app/src/main/java/com/keylesspalace/tusky/di/FragmentBuildersModule.kt

@@ -16,6 +16,7 @@
 package com.keylesspalace.tusky.di
 
 import com.keylesspalace.tusky.AccountsInListFragment
+import com.keylesspalace.tusky.components.account.list.ListsForAccountFragment
 import com.keylesspalace.tusky.components.account.media.AccountMediaFragment
 import com.keylesspalace.tusky.components.conversation.ConversationsFragment
 import com.keylesspalace.tusky.components.instancemute.fragment.InstanceListFragment
@@ -91,4 +92,7 @@ abstract class FragmentBuildersModule {
 
     @ContributesAndroidInjector
     abstract fun preferencesFragment(): PreferencesFragment
+
+    @ContributesAndroidInjector
+    abstract fun listsForAccountFragment(): ListsForAccountFragment
 }

app/src/main/java/com/keylesspalace/tusky/di/ViewModelFactory.kt

@@ -5,6 +5,7 @@ package com.keylesspalace.tusky.di
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
 import com.keylesspalace.tusky.components.account.AccountViewModel
+import com.keylesspalace.tusky.components.account.list.ListsForAccountViewModel
 import com.keylesspalace.tusky.components.account.media.AccountMediaViewModel
 import com.keylesspalace.tusky.components.announcements.AnnouncementsViewModel
 import com.keylesspalace.tusky.components.compose.ComposeViewModel
@@ -126,5 +127,10 @@ abstract class ViewModelModule {
     @ViewModelKey(LoginWebViewViewModel::class)
     internal abstract fun loginWebViewViewModel(viewModel: LoginWebViewViewModel): ViewModel
 
+    @Binds
+    @IntoMap
+    @ViewModelKey(ListsForAccountViewModel::class)
+    internal abstract fun listsForAccountViewModel(viewModel: ListsForAccountViewModel): ViewModel
+
     // Add more ViewModels here
 }

app/src/main/java/com/keylesspalace/tusky/network/MastodonApi.kt

@@ -481,6 +481,11 @@ interface MastodonApi {
     @GET("/api/v1/lists")
     suspend fun getLists(): NetworkResult<List<MastoList>>
 
+    @GET("/api/v1/accounts/{id}/lists")
+    suspend fun getListsIncludesAccount(
+        @Path("id") accountId: String
+    ): NetworkResult<List<MastoList>>
+
     @FormUrlEncoded
     @POST("api/v1/lists")
     suspend fun createList(

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

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:animateLayoutChanges="true">
+
+    <ProgressBar
+        android:id="@+id/progressBar"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="visible"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:visibility="gone" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/listsView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone"
+        tools:visibility="visible" />
+
+    <com.keylesspalace.tusky.view.BackgroundMessageView
+        android:id="@+id/messageView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:src="@android:color/transparent"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:src="@drawable/elephant_error"
+        tools:visibility="visible" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout 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"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingHorizontal="16dp"
+    android:paddingVertical="8dp"
+    android:gravity="center_vertical"
+    android:orientation="horizontal">
+
+    <TextView
+        android:id="@+id/listNameView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:drawablePadding="8dp"
+        android:ellipsize="end"
+        android:gravity="center_vertical"
+        android:maxLines="1"
+        android:textSize="?attr/status_text_medium"
+        app:drawableTint="?android:attr/textColorSecondary"
+        app:drawableStartCompat="@drawable/ic_list"
+        tools:text="Example list" />
+
+    <ImageButton
+        android:id="@+id/addButton"
+        style="@style/TuskyImageButton"
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:layout_marginStart="12dp"
+        android:background="?attr/selectableItemBackgroundBorderless"
+        android:contentDescription="@string/action_add_to_list"
+        android:padding="4dp"
+        android:src="@drawable/ic_plus_24dp" />
+
+    <ImageButton
+        android:id="@+id/removeButton"
+        style="@style/TuskyImageButton"
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:layout_marginStart="12dp"
+        android:background="?attr/selectableItemBackgroundBorderless"
+        android:contentDescription="@string/action_remove_from_list"
+        android:padding="4dp"
+        android:src="@drawable/ic_clear_24dp"
+        android:visibility="gone" />
+
+</LinearLayout>

app/src/main/res/menu/account_toolbar.xml

@@ -18,6 +18,10 @@
         android:title="@string/action_block"
         app:showAsAction="never" />
 
+    <item android:id="@+id/action_add_or_remove_from_list"
+        android:title="@string/action_add_or_remove_from_list"
+        app:showAsAction="never" />
+
     <item android:id="@+id/action_mute_domain"
         android:title="@string/action_mute_domain"
         app:showAsAction="never" />

app/src/main/res/values/strings.xml

@@ -404,6 +404,9 @@
     <string name="hint_search_people_list">Search for people you follow</string>
     <string name="action_add_to_list">Add account to the list</string>
     <string name="action_remove_from_list">Remove account from the list</string>
+    <string name="action_add_or_remove_from_list">Add or remove from list</string>
+    <string name="failed_to_add_to_list">Failed to add the account to the list</string>
+    <string name="failed_to_remove_from_list">Failed to remove the account from the list</string>
 
     <string name="compose_active_account_description">Posting as %1$s</string>
 
@@ -624,6 +627,7 @@
     <string name="no_drafts">You don\'t have any drafts.</string>
     <string name="no_scheduled_posts">You don\'t have any scheduled posts.</string>
     <string name="no_announcements">There are no announcements.</string>
+    <string name="no_lists">You don\'t have any lists.</string>
     <string name="warning_scheduling_interval">Mastodon has a minimum scheduling interval of 5 minutes.</string>
     <string name="pref_title_show_self_username">Show username in toolbars</string>
     <string name="pref_title_show_cards_in_timelines">Show link previews in timelines</string>