Node / meshtastic / Meshtastic-Android / files / feature / messaging / src / commonMain / kotlin / org / meshtastic / feature / messaging / ui / contact / ContactsViewModel.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* 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

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.feature.messaging.ui.contact

Tff7b72import T7ee787androidx.lifecycle.SavedStateHandle

Tff7b72import T7ee787androidx.lifecycle.ViewModel

Tff7b72import T7ee787kotlinx.coroutines.flow.Flow

Tff7b72import T7ee787kotlinx.coroutines.flow.StateFlow

Tff7b72import T7ee787kotlinx.coroutines.flow.combine

Tff7b72import T7ee787kotlinx.coroutines.flow.map

Tff7b72import T7ee787org.koin.core.annotation.KoinViewModel

Tff7b72import T7ee787org.meshtastic.core.common.util.ioDispatcher

Tff7b72import T7ee787org.meshtastic.core.model.Contact

Tff7b72import T7ee787org.meshtastic.core.model.ContactKey

Tff7b72import T7ee787org.meshtastic.core.model.DataPacket

Tff7b72import T7ee787org.meshtastic.core.model.MyNodeInfo

Tff7b72import T7ee787org.meshtastic.core.model.NodeAddress

Tff7b72import T7ee787org.meshtastic.core.model.isBroadcast

Tff7b72import T7ee787org.meshtastic.core.model.isFromLocal

Tff7b72import T7ee787org.meshtastic.core.model.util.getChannel

Tff7b72import T7ee787org.meshtastic.core.repository.ConnectionStateProvider

Tff7b72import T7ee787org.meshtastic.core.repository.NodeRepository

Tff7b72import T7ee787org.meshtastic.core.repository.PacketRepository

Tff7b72import T7ee787org.meshtastic.core.repository.RadioConfigRepository

Tff7b72import T7ee787org.meshtastic.core.ui.viewmodel.safeLaunch

Tff7b72import T7ee787org.meshtastic.core.ui.viewmodel.stateInWhileSubscribed

Tff7b72import T7ee787org.meshtastic.proto.ChannelSet

Tff7b72import T7ee787kotlin.collections.map Tff7b72as Te6edf3collectionsMap

Tf0883e@KoinViewModel

Tff7b72class T56d364ContactsViewModelTb4b4b4(

Tff7b72private Tff7b72val Te6edf3savedStateHandleTb4b4b4: Te6edf3SavedStateHandleTb4b4b4,

Tff7b72private Tff7b72val Te6edf3nodeRepositoryTb4b4b4: Te6edf3NodeRepositoryTb4b4b4,

Tff7b72private Tff7b72val Te6edf3packetRepositoryTb4b4b4: Te6edf3PacketRepositoryTb4b4b4,

Te6edf3radioConfigRepositoryTb4b4b4: Te6edf3RadioConfigRepositoryTb4b4b4,

Te6edf3connectionStateProviderTb4b4b4: Te6edf3ConnectionStateProviderTb4b4b4,

Tb4b4b4) Tb4b4b4: Te6edf3ViewModelTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3ourNodeInfo Tff7b72= Te6edf3nodeRepositoryTb4b4b4.Te6edf3ourNodeInfo

Tff7b72private Tff7b72val Te6edf3collapsedSectionsCsv Tff7b72= Te6edf3savedStateHandleTb4b4b4.Te6edf3getStateFlowTb4b4b4(Te6edf3KEY_COLLAPSED_SECTIONSTb4b4b4, Ta5d6ff"Ta5d6ff"Tb4b4b4)

T8b949e/** Collapsed conversation-list section keys (see [ContactSection]), persisted across process death. */

Tff7b72val Te6edf3collapsedSectionsTb4b4b4: Te6edf3StateFlowTff7b72<Te6edf3SetTff7b72<Tffa657StringTff7b72>Tff7b72> Tff7b72=

Te6edf3collapsedSectionsCsvTb4b4b4.Te6edf3map Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3toSectionSetTb4b4b4(Tb4b4b4) Tb4b4b4}Tb4b4b4.Te6edf3stateInWhileSubscribedTb4b4b4(Te6edf3initialValue Tff7b72= Te6edf3emptySetTb4b4b4(Tb4b4b4)Tb4b4b4)

Tff7b72fun Td2a8fftoggleSectionCollapseTb4b4b4(Te6edf3sectionKeyTb4b4b4: Tffa657StringTb4b4b4) Tb4b4b4{

T8b949e// Read the authoritative saved value, not collapsedSections.value (which is emptySet when unsubscribed).

Tff7b72val Te6edf3current Tff7b72= Te6edf3collapsedSectionsCsvTb4b4b4.Te6edf3valueTb4b4b4.Te6edf3toSectionSetTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3updated Tff7b72= Tff7b72if Tb4b4b4(Te6edf3sectionKey Tff7b72in Te6edf3currentTb4b4b4) Te6edf3current Tff7b72- Te6edf3sectionKey Tff7b72else Te6edf3current Tff7b72+ Te6edf3sectionKey

Te6edf3savedStateHandleTff7b72[Te6edf3KEY_COLLAPSED_SECTIONSTff7b72] Tff7b72= Te6edf3updatedTb4b4b4.Te6edf3joinToStringTb4b4b4(Ta5d6ff"Ta5d6ff,Ta5d6ff"Tb4b4b4)

Tb4b4b4}

Tff7b72val Te6edf3connectionState Tff7b72= Te6edf3connectionStateProviderTb4b4b4.Te6edf3connectionState

Tff7b72val Te6edf3unreadCountTotal Tff7b72= Te6edf3packetRepositoryTb4b4b4.Te6edf3getUnreadCountTotalTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3stateInWhileSubscribedTb4b4b4(T79c0ff0Tb4b4b4)

Tff7b72val Te6edf3channels Tff7b72= Te6edf3radioConfigRepositoryTb4b4b4.Te6edf3channelSetFlowTb4b4b4.Te6edf3stateInWhileSubscribedTb4b4b4(Te6edf3initialValue Tff7b72= Te6edf3ChannelSetTb4b4b4(Tb4b4b4)Tb4b4b4)

T8b949e// Combine node info and myId to reduce argument count in subsequent combines

Tff7b72private Tff7b72val Te6edf3identityFlowTb4b4b4: Te6edf3FlowTff7b72<Te6edf3PairTff7b72<Te6edf3MyNodeInfo?Tb4b4b4, Tffa657String?Tff7b72>Tff7b72> Tff7b72=

Te6edf3combineTb4b4b4(Te6edf3nodeRepositoryTb4b4b4.Te6edf3myNodeInfoTb4b4b4, Te6edf3nodeRepositoryTb4b4b4.Te6edf3myIdTb4b4b4) Tb4b4b4{ Te6edf3infoTb4b4b4, Te6edf3id Tff7b72-Tff7b72> Te6edf3PairTb4b4b4(Te6edf3infoTb4b4b4, Te6edf3idTb4b4b4) Tb4b4b4}

T8b949e/**

* Flat contact list (channels + DMs) with empty-channel placeholders merged in, consumed by both ContactsScreen and

* ShareScreen. ContactsScreen groups it into collapsible Channels/DirectMessages sections at render time.

*/

Tff7b72val Te6edf3contactList Tff7b72=

Te6edf3combineTb4b4b4(Te6edf3identityFlowTb4b4b4, Te6edf3packetRepositoryTb4b4b4.Te6edf3getContactsTb4b4b4(Tb4b4b4)Tb4b4b4, Te6edf3channelsTb4b4b4, Te6edf3packetRepositoryTb4b4b4.Te6edf3getContactSettingsTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3identityTb4b4b4,

Te6edf3contactsTb4b4b4,

Te6edf3channelSetTb4b4b4,

Te6edf3settingsTb4b4b4,

Tff7b72-Tff7b72>

Tff7b72val Tb4b4b4(Te6edf3myNodeInfoTb4b4b4, Te6edf3myIdTb4b4b4) Tff7b72= Te6edf3identity

Tff7b72val Te6edf3myNodeNum Tff7b72= Te6edf3myNodeInfoTff7b72?.Te6edf3myNodeNum Tff7b72?: Tff7b72returnTf0883e@combine Te6edf3emptyListTff7b72<Te6edf3ContactTff7b72>Tb4b4b4(Tb4b4b4)

T8b949e// Add empty channel placeholders (always show Broadcast contacts, even when empty)

Tff7b72val Te6edf3placeholder Tff7b72=

Tb4b4b4(T79c0ff0 Te6edf3until Te6edf3channelSetTb4b4b4.Te6edf3settingsTb4b4b4.Te6edf3sizeTb4b4b4)Tb4b4b4.Te6edf3associate Tb4b4b4{ Te6edf3ch Tff7b72-Tff7b72>

Tff7b72val Te6edf3contactKey Tff7b72= Te6edf3ContactKeyTb4b4b4.Te6edf3broadcastTb4b4b4(Te6edf3chTb4b4b4)Tb4b4b4.Te6edf3value

Tff7b72val Te6edf3data Tff7b72= Te6edf3DataPacketTb4b4b4(Te6edf3bytes Tff7b72= Tff7b72nullTb4b4b4, Te6edf3dataType Tff7b72= T79c0ff1Tb4b4b4, Te6edf3time Tff7b72= T79c0ff0LTb4b4b4, Te6edf3channel Tff7b72= Te6edf3chTb4b4b4)

Te6edf3contactKey Te6edf3to Te6edf3data

Tb4b4b4}

Tb4b4b4(Te6edf3contacts Tff7b72+ Tb4b4b4(Te6edf3placeholder Tff7b72- Te6edf3contactsTb4b4b4.Te6edf3keysTb4b4b4)Tb4b4b4)Tb4b4b4.Te6edf3entriesTb4b4b4.Te6edf3collectionsMap Tb4b4b4{ Te6edf3entry Tff7b72-Tff7b72>

Tff7b72val Te6edf3contactKey Tff7b72= Te6edf3entryTb4b4b4.Te6edf3key

Tff7b72val Te6edf3packetData Tff7b72= Te6edf3entryTb4b4b4.Te6edf3value

T8b949e// Determine if this is my message (originated on this device)

Tff7b72val Te6edf3fromLocal Tff7b72= Te6edf3packetDataTb4b4b4.Te6edf3isFromLocalTb4b4b4(Te6edf3myNodeNumTb4b4b4)

Tff7b72val Te6edf3toBroadcast Tff7b72= Te6edf3packetDataTb4b4b4.Te6edf3isBroadcast

T8b949e// grab usernames from NodeInfo

Tff7b72val Te6edf3userId Tff7b72= Tff7b72if Tb4b4b4(Te6edf3fromLocalTb4b4b4) Te6edf3packetDataTb4b4b4.Te6edf3to Tff7b72else Te6edf3packetDataTb4b4b4.Te6edf3from

Tff7b72val Te6edf3user Tff7b72= Te6edf3nodeRepositoryTb4b4b4.Te6edf3getUserTb4b4b4(Te6edf3userId Tff7b72?: Te6edf3NodeAddressTb4b4b4.Te6edf3ID_BROADCASTTb4b4b4)

Tff7b72val Te6edf3node Tff7b72= Te6edf3nodeRepositoryTb4b4b4.Te6edf3getNodeTb4b4b4(Te6edf3userId Tff7b72?: Te6edf3NodeAddressTb4b4b4.Te6edf3ID_BROADCASTTb4b4b4)

Tff7b72val Te6edf3shortName Tff7b72= Te6edf3userTb4b4b4.Te6edf3short_name

Tff7b72val Te6edf3longName Tff7b72=

Tff7b72if Tb4b4b4(Te6edf3toBroadcastTb4b4b4) Tb4b4b4{

Te6edf3channelSetTb4b4b4.Te6edf3getChannelTb4b4b4(Te6edf3packetDataTb4b4b4.Te6edf3channelTb4b4b4)Tff7b72?.Te6edf3name Tff7b72?: Ta5d6ff"Ta5d6ffChannel Tffd700${Te6edf3packetDataTb4b4b4.Te6edf3channelTffd700}Ta5d6ff"

Tb4b4b4} Tff7b72else Tb4b4b4{

Te6edf3userTb4b4b4.Te6edf3long_name

Tb4b4b4}

Te6edf3ContactTb4b4b4(

Te6edf3contactKey Tff7b72= Te6edf3contactKeyTb4b4b4,

Te6edf3shortName Tff7b72= Tff7b72if Tb4b4b4(Te6edf3toBroadcastTb4b4b4) Te6edf3packetDataTb4b4b4.Te6edf3channelTb4b4b4.Te6edf3toStringTb4b4b4(Tb4b4b4) Tff7b72else Te6edf3shortNameTb4b4b4,

Te6edf3longName Tff7b72= Te6edf3longNameTb4b4b4,

Te6edf3lastMessageTime Tff7b72= Tff7b72if Tb4b4b4(Te6edf3packetDataTb4b4b4.Te6edf3time Tff7b72!Tff7b72= T79c0ff0LTb4b4b4) Te6edf3packetDataTb4b4b4.Te6edf3time Tff7b72else Tff7b72nullTb4b4b4,

Te6edf3lastMessageText Tff7b72= Tff7b72if Tb4b4b4(Te6edf3fromLocalTb4b4b4) Te6edf3packetDataTb4b4b4.Te6edf3text Tff7b72else Ta5d6ff"Tffd700$Te6edf3shortNameTa5d6ff: Tffd700${Te6edf3packetDataTb4b4b4.Te6edf3textTffd700}Ta5d6ff"Tb4b4b4,

Te6edf3unreadCount Tff7b72= Te6edf3packetRepositoryTb4b4b4.Te6edf3getUnreadCountTb4b4b4(Te6edf3contactKeyTb4b4b4)Tb4b4b4,

Te6edf3messageCount Tff7b72= Te6edf3packetRepositoryTb4b4b4.Te6edf3getMessageCountTb4b4b4(Te6edf3contactKeyTb4b4b4)Tb4b4b4,

Te6edf3isMuted Tff7b72= Te6edf3settingsTff7b72[Te6edf3contactKeyTff7b72]Tff7b72?.Te6edf3isMuted Tff7b72=Tff7b72= Tff7b72trueTb4b4b4,

Te6edf3isUnmessageable Tff7b72= Te6edf3userTb4b4b4.Te6edf3is_unmessagable Tff7b72?: Tff7b72falseTb4b4b4,

Te6edf3nodeColors Tff7b72=

Tff7b72if Tb4b4b4(Tff7b72!Te6edf3toBroadcastTb4b4b4) Tb4b4b4{

Te6edf3nodeTb4b4b4.Te6edf3colors

Tb4b4b4} Tff7b72else Tb4b4b4{

Tff7b72null

Tb4b4b4}Tb4b4b4,

Tb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tb4b4b4.Te6edf3stateInWhileSubscribedTb4b4b4(Te6edf3initialValue Tff7b72= Te6edf3emptyListTb4b4b4(Tb4b4b4)Tb4b4b4)

Tff7b72fun Td2a8ffgetNodeTb4b4b4(Te6edf3userIdTb4b4b4: Tffa657String?Tb4b4b4) Tff7b72= Te6edf3nodeRepositoryTb4b4b4.Te6edf3getNodeTb4b4b4(Te6edf3userId Tff7b72?: Te6edf3NodeAddressTb4b4b4.Te6edf3ID_BROADCASTTb4b4b4)

Tff7b72fun Td2a8ffdeleteContactsTb4b4b4(Te6edf3contactsTb4b4b4: Te6edf3ListTff7b72<Tffa657StringTff7b72>Tb4b4b4) Tff7b72=

Te6edf3safeLaunchTb4b4b4(Te6edf3context Tff7b72= Te6edf3ioDispatcherTb4b4b4, Te6edf3tag Tff7b72= Ta5d6ff"Ta5d6ffdeleteContactsTa5d6ff"Tb4b4b4) Tb4b4b4{ Te6edf3packetRepositoryTb4b4b4.Te6edf3deleteContactsTb4b4b4(Te6edf3contactsTb4b4b4) Tb4b4b4}

Tff7b72fun Td2a8ffmarkAllAsReadTb4b4b4(Tb4b4b4) Tff7b72=

Te6edf3safeLaunchTb4b4b4(Te6edf3context Tff7b72= Te6edf3ioDispatcherTb4b4b4, Te6edf3tag Tff7b72= Ta5d6ff"Ta5d6ffmarkAllAsReadTa5d6ff"Tb4b4b4) Tb4b4b4{ Te6edf3packetRepositoryTb4b4b4.Te6edf3clearAllUnreadCountsTb4b4b4(Tb4b4b4) Tb4b4b4}

Tff7b72fun Td2a8ffsetMuteUntilTb4b4b4(Te6edf3contactsTb4b4b4: Te6edf3ListTff7b72<Tffa657StringTff7b72>Tb4b4b4, Te6edf3untilTb4b4b4: Tffa657LongTb4b4b4) Tff7b72=

Te6edf3safeLaunchTb4b4b4(Te6edf3context Tff7b72= Te6edf3ioDispatcherTb4b4b4, Te6edf3tag Tff7b72= Ta5d6ff"Ta5d6ffsetMuteUntilTa5d6ff"Tb4b4b4) Tb4b4b4{ Te6edf3packetRepositoryTb4b4b4.Te6edf3setMuteUntilTb4b4b4(Te6edf3contactsTb4b4b4, Te6edf3untilTb4b4b4) Tb4b4b4}

Tff7b72fun Td2a8ffgetContactSettingsTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3packetRepositoryTb4b4b4.Te6edf3getContactSettingsTb4b4b4(Tb4b4b4)

Tff7b72fun Td2a8ffsetContactFilteringDisabledTb4b4b4(Te6edf3contactKeyTb4b4b4: Tffa657StringTb4b4b4, Te6edf3disabledTb4b4b4: Tffa657BooleanTb4b4b4) Tb4b4b4{

Te6edf3safeLaunchTb4b4b4(Te6edf3context Tff7b72= Te6edf3ioDispatcherTb4b4b4, Te6edf3tag Tff7b72= Ta5d6ff"Ta5d6ffsetContactFilteringDisabledTa5d6ff"Tb4b4b4) Tb4b4b4{

Te6edf3packetRepositoryTb4b4b4.Te6edf3setContactFilteringDisabledTb4b4b4(Te6edf3contactKeyTb4b4b4, Te6edf3disabledTb4b4b4)

Tb4b4b4}

Tb4b4b4}

T8b949e/**

* Get the total message count for a list of contact keys. This queries the repository directly, so it works even if

* a contact isn't currently loaded in the list.

*/

Tff7b72suspend Tff7b72fun Td2a8ffgetTotalMessageCountTb4b4b4(Te6edf3contactKeysTb4b4b4: Te6edf3ListTff7b72<Tffa657StringTff7b72>Tb4b4b4)Tb4b4b4: Tffa657Int Tff7b72= Tff7b72if Tb4b4b4(Te6edf3contactKeysTb4b4b4.Te6edf3isEmptyTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

T79c0ff0

Tb4b4b4} Tff7b72else Tb4b4b4{

Te6edf3contactKeysTb4b4b4.Te6edf3sumOf Tb4b4b4{ Te6edf3contactKey Tff7b72-Tff7b72> Te6edf3packetRepositoryTb4b4b4.Te6edf3getMessageCountTb4b4b4(Te6edf3contactKeyTb4b4b4) Tb4b4b4}

Tb4b4b4}

Tff7b72companion Tff7b72object Tb4b4b4{

Tff7b72private Tff7b72const Tff7b72val Te6edf3KEY_COLLAPSED_SECTIONS Tff7b72= Ta5d6ff"Ta5d6ffcollapsed_contact_sectionsTa5d6ff"

Tb4b4b4}

Tb4b4b4}

Tff7b72private Tff7b72fun Te6edf3StringTb4b4b4.Td2a8fftoSectionSetTb4b4b4(Tb4b4b4)Tb4b4b4: Te6edf3SetTff7b72<Tffa657StringTff7b72> Tff7b72= Te6edf3splitTb4b4b4(Ta5d6ff"Ta5d6ff,Ta5d6ff"Tb4b4b4)Tb4b4b4.Te6edf3filter Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3isNotEmptyTb4b4b4(Tb4b4b4) Tb4b4b4}Tb4b4b4.Te6edf3toSetTb4b4b4(Tb4b4b4)

T8b949e/** The two conversation-list sections a [Contact] is grouped into. */

Tff7b72enum Tff7b72class T56d364ContactSectionTb4b4b4(Tff7b72val Te6edf3keyTb4b4b4: Tffa657StringTb4b4b4) Tb4b4b4{

Te6edf3CHANNELSTb4b4b4(Ta5d6ff"Ta5d6ffchannelsTa5d6ff"Tb4b4b4)Tb4b4b4,

Te6edf3DIRECT_MESSAGESTb4b4b4(Ta5d6ff"Ta5d6ffdirect_messagesTa5d6ff"Tb4b4b4)Tb4b4b4,

Tb4b4b4}

T8b949e/** Channel/broadcast contact keys carry a leading channel-digit prefix (e.g. `"0^all"`); DM keys don't. */

Tff7b72fun Te6edf3ContactTb4b4b4.Td2a8ffsectionTb4b4b4(Tb4b4b4)Tb4b4b4: Te6edf3ContactSection Tff7b72=

Tff7b72if Tb4b4b4(Te6edf3contactKeyTb4b4b4.Te6edf3getOrNullTb4b4b4(T79c0ff1Tb4b4b4) Tff7b72=Tff7b72= Ta5d6ff'^' Tff7b72|Tff7b72| Te6edf3contactKeyTb4b4b4.Te6edf3endsWithTb4b4b4(Ta5d6ff"Ta5d6ff^allTa5d6ff"Tb4b4b4) Tff7b72|Tff7b72| Te6edf3contactKeyTb4b4b4.Te6edf3endsWithTb4b4b4(Ta5d6ff"Ta5d6ff^broadcastTa5d6ff"Tb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3ContactSectionTb4b4b4.Te6edf3CHANNELS

Tb4b4b4} Tff7b72else Tb4b4b4{

Te6edf3ContactSectionTb4b4b4.Te6edf3DIRECT_MESSAGES

Tb4b4b4}