forked from GitHub-Mirror/riotX-android
142 lines
5.1 KiB
Kotlin
142 lines
5.1 KiB
Kotlin
/*
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* Copyright 2019 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package im.vector.matrix.android.internal.session.room.membership
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import im.vector.matrix.android.api.session.events.model.EventType
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import im.vector.matrix.android.api.session.events.model.toModel
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import im.vector.matrix.android.api.session.room.model.Membership
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import im.vector.matrix.android.api.session.room.model.RoomMember
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import im.vector.matrix.android.internal.database.mapper.asDomain
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import im.vector.matrix.android.internal.database.model.EventEntity
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import im.vector.matrix.android.internal.database.model.EventEntityFields
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import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
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import im.vector.matrix.android.internal.database.query.where
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import io.realm.Realm
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import io.realm.RealmQuery
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import io.realm.Sort
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/**
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* This class is an helper around STATE_ROOM_MEMBER events.
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* It allows to get the live membership of a user.
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*/
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internal class RoomMembers(private val realm: Realm,
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private val roomId: String
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) {
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private val roomSummary: RoomSummaryEntity? by lazy {
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RoomSummaryEntity.where(realm, roomId).findFirst()
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}
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fun getStateEvent(userId: String): EventEntity? {
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return EventEntity
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.where(realm, roomId, EventType.STATE_ROOM_MEMBER)
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.sort(EventEntityFields.STATE_INDEX, Sort.DESCENDING)
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.equalTo(EventEntityFields.STATE_KEY, userId)
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.findFirst()
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}
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fun get(userId: String): RoomMember? {
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return getStateEvent(userId)
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?.let {
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it.asDomain().content?.toModel<RoomMember>()
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}
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}
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fun isUniqueDisplayName(displayName: String?): Boolean {
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if (displayName.isNullOrEmpty()) {
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return true
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}
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return EventEntity
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.where(realm, roomId, EventType.STATE_ROOM_MEMBER)
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.contains(EventEntityFields.CONTENT, "\"displayname\":\"$displayName\"")
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.distinct(EventEntityFields.STATE_KEY)
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.findAll()
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.size == 1
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}
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fun queryRoomMembersEvent(): RealmQuery<EventEntity> {
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return EventEntity
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.where(realm, roomId, EventType.STATE_ROOM_MEMBER)
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.sort(EventEntityFields.STATE_INDEX, Sort.DESCENDING)
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.distinct(EventEntityFields.STATE_KEY)
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.isNotNull(EventEntityFields.CONTENT)
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}
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fun queryJoinedRoomMembersEvent(): RealmQuery<EventEntity> {
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return queryRoomMembersEvent().contains(EventEntityFields.CONTENT, "\"membership\":\"join\"")
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}
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fun queryInvitedRoomMembersEvent(): RealmQuery<EventEntity> {
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return queryRoomMembersEvent().contains(EventEntityFields.CONTENT, "\"membership\":\"invite\"")
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}
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fun queryRoomMemberEvent(userId: String): RealmQuery<EventEntity> {
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return queryRoomMembersEvent()
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.equalTo(EventEntityFields.STATE_KEY, userId)
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}
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fun getNumberOfJoinedMembers(): Int {
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return roomSummary?.joinedMembersCount
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?: queryJoinedRoomMembersEvent().findAll().size
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}
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fun getNumberOfInvitedMembers(): Int {
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return roomSummary?.invitedMembersCount
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?: queryInvitedRoomMembersEvent().findAll().size
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}
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fun getNumberOfMembers(): Int {
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return getNumberOfJoinedMembers() + getNumberOfInvitedMembers()
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}
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/**
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* Return all the roomMembers ids which are joined or invited to the room
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*
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* @return a roomMember id list of joined or invited members.
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*/
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fun getActiveRoomMemberIds(): List<String> {
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return getRoomMemberIdsFiltered { it.membership == Membership.JOIN || it.membership == Membership.INVITE }
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}
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/**
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* Return all the roomMembers ids which are joined to the room
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*
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* @return a roomMember id list of joined members.
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*/
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fun getJoinedRoomMemberIds(): List<String> {
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return getRoomMemberIdsFiltered { it.membership == Membership.JOIN }
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}
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/* ==========================================================================================
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* Private
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* ========================================================================================== */
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private fun getRoomMemberIdsFiltered(predicate: (RoomMember) -> Boolean): List<String> {
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return RoomMembers(realm, roomId)
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.queryRoomMembersEvent()
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.findAll()
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.map { it.asDomain() }
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.associateBy { it.stateKey!! }
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.mapValues { it.value.content.toModel<RoomMember>()!! }
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.filterValues { predicate(it) }
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.keys
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.toList()
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}
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}
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