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[PBE-6197] add member list component to SampleApp (#5434)
* [PBE-6197] add member list component to SampleApp * fix spotless
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68 changes: 68 additions & 0 deletions
68
...sample/src/main/java/io/getstream/chat/android/compose/sample/ui/component/MembersList.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| /* | ||
| * Copyright (c) 2014-2024 Stream.io Inc. All rights reserved. | ||
| * | ||
| * Licensed under the Stream License; | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://github.com/GetStream/stream-chat-android/blob/main/LICENSE | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package io.getstream.chat.android.compose.sample.ui.component | ||
|
|
||
| import androidx.compose.foundation.background | ||
| import androidx.compose.foundation.layout.Spacer | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.height | ||
| import androidx.compose.foundation.layout.width | ||
| import androidx.compose.foundation.lazy.LazyRow | ||
| import androidx.compose.foundation.lazy.itemsIndexed | ||
| import androidx.compose.material.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.text.font.FontWeight | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.lifecycle.compose.collectAsStateWithLifecycle | ||
| import io.getstream.chat.android.compose.sample.vm.MembersViewModel | ||
|
|
||
| @Composable | ||
| internal fun MembersList( | ||
| viewModel: MembersViewModel, | ||
| ) { | ||
| val memberNames by viewModel.memberNames.collectAsStateWithLifecycle() | ||
| LazyRow( | ||
| modifier = Modifier.height(32.dp) | ||
| .fillMaxWidth() | ||
| .background(color = Color.LightGray), | ||
| verticalAlignment = Alignment.CenterVertically, | ||
| ) { | ||
| itemsIndexed(memberNames) { index, (name, isCurrentUser) -> | ||
| if (index == 0) { | ||
| Spacer(modifier = Modifier.width(16.dp)) | ||
| } | ||
| val displayName = when (index == memberNames.lastIndex) { | ||
| true -> name | ||
| else -> "$name, " | ||
| } | ||
| Text( | ||
| modifier = Modifier, | ||
| fontWeight = if (isCurrentUser) FontWeight.Bold else FontWeight.Normal, | ||
| text = displayName, | ||
| ) | ||
| if (index == memberNames.lastIndex) { | ||
| Spacer(modifier = Modifier.width(16.dp)) | ||
| } else { | ||
| Spacer(modifier = Modifier.width(4.dp)) | ||
| } | ||
| } | ||
| } | ||
| } |
90 changes: 90 additions & 0 deletions
90
...pose-sample/src/main/java/io/getstream/chat/android/compose/sample/vm/MembersViewModel.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| /* | ||
| * Copyright (c) 2014-2024 Stream.io Inc. All rights reserved. | ||
| * | ||
| * Licensed under the Stream License; | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://github.com/GetStream/stream-chat-android/blob/main/LICENSE | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package io.getstream.chat.android.compose.sample.vm | ||
|
|
||
| import androidx.lifecycle.ViewModel | ||
| import androidx.lifecycle.ViewModelProvider | ||
| import androidx.lifecycle.viewModelScope | ||
| import io.getstream.chat.android.client.ChatClient | ||
| import io.getstream.chat.android.models.Channel | ||
| import io.getstream.chat.android.state.extensions.watchChannelAsState | ||
| import io.getstream.log.taggedLogger | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import kotlinx.coroutines.flow.StateFlow | ||
| import kotlinx.coroutines.flow.combine | ||
| import kotlinx.coroutines.flow.distinctUntilChanged | ||
| import kotlinx.coroutines.flow.filterNotNull | ||
| import kotlinx.coroutines.flow.flatMapLatest | ||
| import kotlinx.coroutines.flow.launchIn | ||
| import kotlinx.coroutines.flow.onEach | ||
|
|
||
| internal class MembersViewModel( | ||
| private val cid: String, | ||
| private val chatClient: ChatClient, | ||
| ) : ViewModel() { | ||
|
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| private val logger by taggedLogger("Chat:MembersVM") | ||
|
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| private val _memberNames: MutableStateFlow<List<MemberName>> = MutableStateFlow(emptyList()) | ||
| val memberNames: StateFlow<List<MemberName>> = _memberNames | ||
|
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| init { | ||
| watchChannel() | ||
| } | ||
|
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| private fun watchChannel() { | ||
| chatClient.watchChannelAsState(cid = cid, messageLimit = 0, coroutineScope = viewModelScope) | ||
| .filterNotNull() | ||
| .flatMapLatest { state -> | ||
| combine( | ||
| state.channelData, | ||
| state.membersCount, | ||
| state.watcherCount, | ||
| ) { _, _, _ -> | ||
| state.toChannel() | ||
| } | ||
| } | ||
| .distinctUntilChanged() | ||
| .onEach(this::updateMembers) | ||
| .launchIn(viewModelScope) | ||
| } | ||
|
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| private fun updateMembers(channel: Channel) { | ||
| val currentUserId = chatClient.getCurrentUser()?.id | ||
| val names = channel.members.map { | ||
| val isCurrentUser = currentUserId == it.user.id | ||
| MemberName( | ||
| name = if (isCurrentUser) "You" else it.user.name, | ||
| isCurrentUser = isCurrentUser, | ||
| ) | ||
| } | ||
| logger.d { "[updateMembers] names: ${names.map { it.name }}" } | ||
| _memberNames.value = names | ||
| } | ||
| } | ||
|
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| internal data class MemberName(val name: String, val isCurrentUser: Boolean) | ||
|
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| internal class MembersViewModelFactory( | ||
| private val cid: String, | ||
| private val chatClient: ChatClient = ChatClient.instance(), | ||
| ) : ViewModelProvider.Factory { | ||
|
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| override fun <T : ViewModel> create(modelClass: Class<T>): T { | ||
| return MembersViewModel(cid, chatClient) as T | ||
| } | ||
| } |