ganfra
1 year ago
9 changed files with 195 additions and 217 deletions
@ -0,0 +1,116 @@
@@ -0,0 +1,116 @@
|
||||
/* |
||||
* Copyright (c) 2023 New Vector Ltd |
||||
* |
||||
* Licensed under the Apache License, Version 2.0 (the "License"); |
||||
* you may not use this file except in compliance with the License. |
||||
* You may obtain a copy of the License at |
||||
* |
||||
* http://www.apache.org/licenses/LICENSE-2.0 |
||||
* |
||||
* 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.element.android.features.roomlist.impl.datasource |
||||
|
||||
import io.element.android.features.roomlist.impl.model.RoomListRoomSummary |
||||
import io.element.android.features.roomlist.impl.model.RoomListRoomSummaryPlaceholders |
||||
import io.element.android.libraries.core.coroutine.CoroutineDispatchers |
||||
import io.element.android.libraries.core.extensions.orEmpty |
||||
import io.element.android.libraries.dateformatter.api.LastMessageTimestampFormatter |
||||
import io.element.android.libraries.designsystem.components.avatar.AvatarData |
||||
import io.element.android.libraries.designsystem.components.avatar.AvatarSize |
||||
import io.element.android.libraries.eventformatter.api.RoomLastMessageFormatter |
||||
import io.element.android.libraries.matrix.api.core.RoomId |
||||
import io.element.android.libraries.matrix.api.room.RoomSummary |
||||
import io.element.android.libraries.matrix.api.room.RoomSummaryDataSource |
||||
import kotlinx.collections.immutable.ImmutableList |
||||
import kotlinx.collections.immutable.persistentListOf |
||||
import kotlinx.collections.immutable.toImmutableList |
||||
import kotlinx.coroutines.CoroutineScope |
||||
import kotlinx.coroutines.flow.MutableStateFlow |
||||
import kotlinx.coroutines.flow.StateFlow |
||||
import kotlinx.coroutines.flow.combine |
||||
import kotlinx.coroutines.flow.launchIn |
||||
import kotlinx.coroutines.flow.onEach |
||||
import kotlinx.coroutines.withContext |
||||
import javax.inject.Inject |
||||
|
||||
class RoomListDataSource @Inject constructor( |
||||
private val roomSummaryDataSource: RoomSummaryDataSource, |
||||
private val lastMessageTimestampFormatter: LastMessageTimestampFormatter, |
||||
private val roomLastMessageFormatter: RoomLastMessageFormatter, |
||||
private val coroutineDispatchers: CoroutineDispatchers, |
||||
) { |
||||
|
||||
private val _filter = MutableStateFlow("") |
||||
private val _allRooms = MutableStateFlow<ImmutableList<RoomListRoomSummary>>(persistentListOf()) |
||||
private val _filteredRooms = MutableStateFlow<ImmutableList<RoomListRoomSummary>>(persistentListOf()) |
||||
|
||||
fun launchIn(coroutineScope: CoroutineScope) { |
||||
roomSummaryDataSource |
||||
.allRooms() |
||||
.onEach { roomSummaries -> |
||||
_allRooms.value = if (roomSummaries.isEmpty()) { |
||||
RoomListRoomSummaryPlaceholders.createFakeList(16) |
||||
} else { |
||||
mapRoomSummaries(roomSummaries) |
||||
}.toImmutableList() |
||||
} |
||||
.launchIn(coroutineScope) |
||||
|
||||
combine( |
||||
_filter, |
||||
_allRooms |
||||
) { filterValue, allRoomsValue -> |
||||
when { |
||||
filterValue.isEmpty() -> emptyList() |
||||
else -> allRoomsValue.filter { it.name.contains(filterValue, ignoreCase = true) } |
||||
}.toImmutableList() |
||||
} |
||||
.onEach { |
||||
_filteredRooms.value = it |
||||
}.launchIn(coroutineScope) |
||||
} |
||||
|
||||
fun updateFilter(filterValue: String) { |
||||
_filter.value = filterValue |
||||
} |
||||
|
||||
val filter: StateFlow<String> = _filter |
||||
val allRooms: StateFlow<ImmutableList<RoomListRoomSummary>> = _allRooms |
||||
val filteredRooms: StateFlow<ImmutableList<RoomListRoomSummary>> = _filteredRooms |
||||
|
||||
private suspend fun mapRoomSummaries( |
||||
roomSummaries: List<RoomSummary> |
||||
): List<RoomListRoomSummary> = withContext(coroutineDispatchers.computation) { |
||||
roomSummaries.map { roomSummary -> |
||||
when (roomSummary) { |
||||
is RoomSummary.Empty -> RoomListRoomSummaryPlaceholders.create(roomSummary.identifier) |
||||
is RoomSummary.Filled -> { |
||||
val avatarData = AvatarData( |
||||
id = roomSummary.identifier(), |
||||
name = roomSummary.details.name, |
||||
url = roomSummary.details.avatarURLString, |
||||
size = AvatarSize.RoomListItem, |
||||
) |
||||
val roomIdentifier = roomSummary.identifier() |
||||
RoomListRoomSummary( |
||||
id = roomSummary.identifier(), |
||||
roomId = RoomId(roomIdentifier), |
||||
name = roomSummary.details.name, |
||||
hasUnread = roomSummary.details.unreadNotificationCount > 0, |
||||
timestamp = lastMessageTimestampFormatter.format(roomSummary.details.lastMessageTimestamp), |
||||
lastMessage = roomSummary.details.lastMessage?.let { message -> |
||||
roomLastMessageFormatter.format(message.event, roomSummary.details.isDirect) |
||||
}.orEmpty(), |
||||
avatarData = avatarData, |
||||
) |
||||
} |
||||
} |
||||
} |
||||
} |
||||
} |
||||
Loading…
Reference in new issue