linphone-iphone/Classes/Conference/viewmodels/ConferenceSchedulingViewModel.swift
2021-12-03 19:26:35 +01:00

238 lines
8.5 KiB
Swift

/*
* Copyright (c) 2010-2021 Belledonne Communications SARL.
*
* This file is part of linphone-android
* (see https://www.linphone.org).
*
* 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.
*
* This program 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
* aDouble with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import Foundation
import linphonesw
class ConferenceSchedulingViewModel {
let core = Core.get()
static let shared = ConferenceSchedulingViewModel()
let subject = MutableLiveData<String>()
let description = MutableLiveData<String>()
let scheduleForLater = MutableLiveData<Bool>()
let scheduledDate = MutableLiveData<Date>()
let scheduledTime = MutableLiveData<Date>()
var scheduledTimeZone = MutableLiveData<Int>()
static let timeZones: [TimeZoneData] = computeTimeZonesList()
var scheduledDuration = MutableLiveData<Int>()
static let durationList: [Duration] = computeDurationList()
let isEncrypted = MutableLiveData<Bool>()
let sendInviteViaChat = MutableLiveData<Bool>()
let sendInviteViaEmail = MutableLiveData<Bool>()
let address = MutableLiveData<Address>()
let conferenceCreationInProgress = MutableLiveData<Bool>()
let conferenceCreationCompletedEvent: MutableLiveData<Bool> = MediatorLiveData()
let onErrorEvent = MutableLiveData<String>()
let continueEnabled: MediatorLiveData<Bool> = MediatorLiveData()
let selectedAddresses = MutableLiveData<[Address]>([])
private var hour: Int = 0
private var minutes: Int = 0
private var coreDelegate : CoreDelegateStub? = nil
private var chatRooomDelegate : ChatRoomDelegate? = nil
init () {
coreDelegate = CoreDelegateStub(
onConferenceStateChanged : { (core: Core, conference: Conference, state: Conference.State?) -> Void in
Log.i("[Conference Creation] Conference state changed: \(state)")
if (state == .CreationPending) {
Log.i("[Conference Creation] Conference address will be \(conference.conferenceAddress?.asStringUriOnly())")
self.address.value = conference.conferenceAddress
if (self.scheduleForLater.value == true) {
self.sendConferenceInfo()
} else {
self.conferenceCreationInProgress.value = false
self.conferenceCreationCompletedEvent.value = true
}
}
},
onConferenceInfoOnSent : { (core: Core, conferenceInfo:ConferenceInfo) -> Void in
Log.i("[Conference Creation] Conference information successfully sent to all participants")
self.conferenceCreationInProgress.value = false
self.conferenceCreationCompletedEvent.value = true
},
onConferenceInfoOnParticipantError : { (core: Core, conferenceInfo: ConferenceInfo, participant: Address, error: ConferenceInfoError?) -> Void in
Log.e("[Conference Creation] Conference information wasn't sent to participant \(participant.asStringUriOnly())")
self.onErrorEvent.value = VoipTexts.conference_schedule_info_not_sent_to_participant
self.conferenceCreationInProgress.value = false
}
)
Core.get().addDelegate(delegate: coreDelegate!)
chatRooomDelegate = ChatRoomDelegateStub(
onStateChanged : { (room: ChatRoom, state: ChatRoom.State) -> Void in
if (state == ChatRoom.State.Created) {
Log.i("[Conference Creation] Chat room created")
room.removeDelegate(delegate: self.chatRooomDelegate!)
} else if (state == ChatRoom.State.CreationFailed) {
Log.e("[Conference Creation] Group chat room creation has failed !")
room.removeDelegate(delegate: self.chatRooomDelegate!)
}
}
)
reset()
subject.observe { _ in
self.continueEnabled.value = self.allMandatoryFieldsFilled()
}
scheduleForLater.observe { _ in
self.continueEnabled.value = self.allMandatoryFieldsFilled()
}
scheduledDate.observe { _ in
self.continueEnabled.value = self.allMandatoryFieldsFilled()
}
scheduledTime.observe { _ in
self.continueEnabled.value = self.allMandatoryFieldsFilled()
}
}
func reset() {
subject.value = ""
scheduleForLater.value = false
isEncrypted.value = false
sendInviteViaChat.value = true
sendInviteViaEmail.value = false
let now = Date()
scheduledTime.value = Calendar.current.date(from: Calendar.current.dateComponents([.hour, .minute, .second], from: now))
scheduledDate.value = Calendar.current.date(from: Calendar.current.dateComponents([.year, .month, .day], from: now))
scheduledTimeZone.value = ConferenceSchedulingViewModel.timeZones.indices.filter {
ConferenceSchedulingViewModel.timeZones[$0].timeZone.identifier == NSTimeZone.default.identifier
}.first
scheduledDuration.value = ConferenceSchedulingViewModel.durationList.indices.filter {
ConferenceSchedulingViewModel.durationList[$0].value == 60
}.first
continueEnabled.value = false
}
func destroy() {
core.removeDelegate(delegate: coreDelegate!)
}
func createConference() {
if (selectedAddresses.value?.count == 0) {
Log.e("[Conference Creation] Couldn't create conference without any participant!")
return
}
do {
conferenceCreationInProgress.value = true
let localAddress = core.defaultAccount?.params?.identityAddress
// TODO: Temporary workaround for chat room, to be removed once we can get matching chat room from conference
let chatRoomParams = try core.createDefaultChatRoomParams()
chatRoomParams.backend = ChatRoomBackend.FlexisipChat
chatRoomParams.groupEnabled = true
chatRoomParams.subject = subject.value!
let chatRoom = try core.createChatRoom(params: chatRoomParams, localAddr: localAddress, participants: selectedAddresses.value!)
Log.i("[Conference Creation] Creating chat room with same subject [\(subject.value)] & participants as for conference")
chatRoom.addDelegate(delegate: chatRooomDelegate!)
let params = try core.createConferenceParams()
params.videoEnabled = true // TODO: Keep this to true ?
params.subject = subject.value!
let startTime = getConferenceStartTimestamp()
params.startTime = time_t(startTime)
scheduledDuration.value.map {
params.endTime = params.startTime + $0
}
try core.createConferenceOnServer(params: params, localAddr: localAddress, participants: selectedAddresses.value!)
} catch {
Log.e("[Conference Creation] Failed \(error)")
}
}
private func allMandatoryFieldsFilled() -> Bool {
return subject.value != nil && subject.value!.count > 0 && (scheduleForLater.value != true || (scheduledDate.value != nil && scheduledTime.value != nil));
}
private func sendConferenceInfo() {
let participants :[Address] = []
do {
let conferenceInfo = try Factory.Instance.createConferenceInfo()
conferenceInfo.uri = try Factory.Instance.createAddress(addr: "sip:video-conference-0@sip.linphone.org") // TODO: use address.value
conferenceInfo.participants = participants
conferenceInfo.organizer = core.defaultAccount?.params?.identityAddress
subject.value.map { conferenceInfo.subject = $0}
description.value.map { conferenceInfo.description = $0}
scheduledDuration.value.map {conferenceInfo.duration = $0 }
let timestamp = getConferenceStartTimestamp()
conferenceInfo.dateTime = time_t(timestamp)
Log.i("[Conference Creation] Conference date & time set to ${TimestampUtils.dateToString(timestamp)} ${TimestampUtils.timeToString(timestamp)}, duration = ${conferenceInfo.duration}")
core.sendConferenceInformation(conferenceInformation: conferenceInfo, text: "")
conferenceCreationInProgress.value = false
conferenceCreationCompletedEvent.value = true
} catch {
Log.e("[Conference Creation] unable to create conference \(error)")
}
}
private func getConferenceStartTimestamp() -> Double {
return scheduleForLater.value == true ? scheduledDate.value!.timeIntervalSince1970 + scheduledTime.value!.timeIntervalSince1970 : Date().timeIntervalSince1970
}
private static func computeTimeZonesList() -> [TimeZoneData] {
return TimeZone.knownTimeZoneIdentifiers.map {
(ident) in TimeZoneData(timeZone:TimeZone(identifier:ident)!)
}.sorted()
}
private static func computeDurationList() -> [Duration] {
return [Duration(value: 30, display: "30min"), Duration(value: 60, display: "1h"), Duration(value: 120, display: "2h")]
}
}