mirror of
https://github.com/meshtastic/Meshtastic-Android.git
synced 2026-04-20 22:23:37 +00:00
594 lines
23 KiB
Kotlin
594 lines
23 KiB
Kotlin
package com.geeksville.mesh.model
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import android.app.Application
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import android.content.Context
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import android.content.SharedPreferences
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import android.net.Uri
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import android.os.RemoteException
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import android.view.Menu
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import androidx.core.content.edit
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import androidx.lifecycle.LiveData
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import androidx.lifecycle.MutableLiveData
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.asLiveData
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import androidx.lifecycle.viewModelScope
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import com.geeksville.mesh.android.Logging
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import com.geeksville.mesh.*
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import com.geeksville.mesh.ChannelProtos.ChannelSettings
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import com.geeksville.mesh.ConfigProtos.Config
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import com.geeksville.mesh.database.MeshLogRepository
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import com.geeksville.mesh.database.QuickChatActionRepository
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import com.geeksville.mesh.database.entity.Packet
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import com.geeksville.mesh.database.entity.QuickChatAction
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import com.geeksville.mesh.LocalOnlyProtos.LocalConfig
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import com.geeksville.mesh.LocalOnlyProtos.LocalModuleConfig
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import com.geeksville.mesh.database.PacketRepository
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import com.geeksville.mesh.repository.datastore.RadioConfigRepository
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import com.geeksville.mesh.repository.radio.RadioInterfaceService
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import com.geeksville.mesh.service.MeshService
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import com.geeksville.mesh.util.positionToMeter
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import dagger.hilt.android.lifecycle.HiltViewModel
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.ExperimentalCoroutinesApi
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import kotlinx.coroutines.flow.combine
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.flow.filterNotNull
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import kotlinx.coroutines.flow.first
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import kotlinx.coroutines.flow.flatMapLatest
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import kotlinx.coroutines.flow.launchIn
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import kotlinx.coroutines.flow.mapLatest
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import kotlinx.coroutines.flow.onEach
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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import java.io.BufferedWriter
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import java.io.FileNotFoundException
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import java.io.FileWriter
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import java.text.SimpleDateFormat
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import java.util.Locale
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import javax.inject.Inject
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import kotlin.math.roundToInt
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/// Given a human name, strip out the first letter of the first three words and return that as the initials for
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/// that user. If the original name is only one word, strip vowels from the original name and if the result is
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/// 3 or more characters, use the first three characters. If not, just take the first 3 characters of the
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/// original name.
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fun getInitials(nameIn: String): String {
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val nchars = 4
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val minchars = 2
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val name = nameIn.trim()
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val words = name.split(Regex("\\s+")).filter { it.isNotEmpty() }
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val initials = when (words.size) {
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in 0 until minchars -> {
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val nm = if (name.isNotEmpty())
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name.first() + name.drop(1).filterNot { c -> c.lowercase() in "aeiou" }
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else
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""
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if (nm.length >= nchars) nm else name
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}
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else -> words.map { it.first() }.joinToString("")
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}
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return initials.take(nchars)
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}
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/**
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* Builds a [Channel] list from the difference between two [ChannelSettings] lists.
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* Only changes are included in the resulting list.
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*
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* @param new The updated [ChannelSettings] list.
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* @param old The current [ChannelSettings] list (required to disable unused channels).
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* @return A [Channel] list containing only the modified channels.
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*/
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internal fun getChannelList(
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new: List<ChannelSettings>,
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old: List<ChannelSettings>,
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): List<ChannelProtos.Channel> = buildList {
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for (i in 0..maxOf(old.lastIndex, new.lastIndex)) {
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if (old.getOrNull(i) != new.getOrNull(i)) add(channel {
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role = when (i) {
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0 -> ChannelProtos.Channel.Role.PRIMARY
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in 1..new.lastIndex -> ChannelProtos.Channel.Role.SECONDARY
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else -> ChannelProtos.Channel.Role.DISABLED
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}
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index = i
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settings = new.getOrNull(i) ?: channelSettings { }
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})
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}
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}
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@HiltViewModel
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class UIViewModel @Inject constructor(
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private val app: Application,
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val nodeDB: NodeDB,
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private val radioConfigRepository: RadioConfigRepository,
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private val radioInterfaceService: RadioInterfaceService,
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private val meshLogRepository: MeshLogRepository,
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private val packetRepository: PacketRepository,
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private val quickChatActionRepository: QuickChatActionRepository,
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private val preferences: SharedPreferences
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) : ViewModel(), Logging {
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var actionBarMenu: Menu? = null
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val meshService: IMeshService? get() = radioConfigRepository.meshService
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val bondedAddress get() = radioInterfaceService.getBondedDeviceAddress()
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val selectedBluetooth get() = radioInterfaceService.getDeviceAddress()?.getOrNull(0) == 'x'
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private val _packets = MutableStateFlow<List<Packet>>(emptyList())
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val packets: StateFlow<List<Packet>> = _packets
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private val _localConfig = MutableStateFlow<LocalConfig>(LocalConfig.getDefaultInstance())
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val localConfig: StateFlow<LocalConfig> = _localConfig
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val config get() = _localConfig.value
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private val _moduleConfig = MutableStateFlow<LocalModuleConfig>(LocalModuleConfig.getDefaultInstance())
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val moduleConfig: StateFlow<LocalModuleConfig> = _moduleConfig
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val module get() = _moduleConfig.value
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private val _channels = MutableStateFlow(channelSet {})
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val channels: StateFlow<AppOnlyProtos.ChannelSet> get() = _channels
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val channelSet get() = channels.value
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private val _quickChatActions = MutableStateFlow<List<QuickChatAction>>(emptyList())
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val quickChatActions: StateFlow<List<QuickChatAction>> = _quickChatActions
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private val _focusedNode = MutableStateFlow<NodeInfo?>(null)
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val focusedNode: StateFlow<NodeInfo?> = _focusedNode
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private val _nodeFilterText = MutableStateFlow("")
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val nodeFilterText: StateFlow<String> = _nodeFilterText
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val filteredNodes = nodeDB.nodeDBbyNum.combine(_nodeFilterText) { nodes, filterText ->
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if (filterText.isBlank()) return@combine nodes
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nodes.filter { entry ->
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entry.value.user?.longName?.contains(filterText, ignoreCase = true) == true ||
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entry.value.user?.shortName?.contains(filterText, ignoreCase = true) == true
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}
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}
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// hardware info about our local device (can be null)
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val myNodeInfo: StateFlow<MyNodeInfo?> get() = nodeDB.myNodeInfo
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val ourNodeInfo: StateFlow<NodeInfo?> get() = nodeDB.ourNodeInfo
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private val _snackbarText = MutableLiveData<Any?>(null)
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val snackbarText: LiveData<Any?> get() = _snackbarText
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init {
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radioConfigRepository.errorMessage.filterNotNull().onEach {
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_snackbarText.value = it
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radioConfigRepository.clearErrorMessage()
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}.launchIn(viewModelScope)
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viewModelScope.launch {
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packetRepository.getAllPackets().collect { packets ->
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_packets.value = packets
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}
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}
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radioConfigRepository.localConfigFlow.onEach { config ->
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_localConfig.value = config
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}.launchIn(viewModelScope)
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radioConfigRepository.moduleConfigFlow.onEach { config ->
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_moduleConfig.value = config
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}.launchIn(viewModelScope)
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viewModelScope.launch {
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quickChatActionRepository.getAllActions().collect { actions ->
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_quickChatActions.value = actions
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}
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}
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radioConfigRepository.channelSetFlow.onEach { channelSet ->
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_channels.value = channelSet
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}.launchIn(viewModelScope)
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debug("ViewModel created")
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}
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private val _contactKey = MutableStateFlow("0${DataPacket.ID_BROADCAST}")
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val contactKey: StateFlow<String> = _contactKey
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fun setContactKey(contact: String) {
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_contactKey.value = contact
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}
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fun getContactName(contactKey: String): String {
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val (channel, dest) = contactKey[0].digitToIntOrNull() to contactKey.substring(1)
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return if (channel == null || dest == DataPacket.ID_BROADCAST) {
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// grab channel names from ChannelSet
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val channelName = with(channelSet) {
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if (channel != null && settingsCount > channel)
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Channel(settingsList[channel], loraConfig).name else null
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}
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channelName ?: app.getString(R.string.channel_name)
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} else {
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// grab usernames from NodeInfo
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val node = nodeDB.nodes.value[dest]
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node?.user?.longName ?: app.getString(R.string.unknown_username)
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}
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}
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@OptIn(ExperimentalCoroutinesApi::class)
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val messages: LiveData<List<Packet>> = contactKey.flatMapLatest { contactKey ->
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packetRepository.getMessagesFrom(contactKey)
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}.asLiveData()
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val contacts = combine(packetRepository.getContacts(), channels) { contacts, channelSet ->
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// Add empty channel placeholders (always show Broadcast contacts, even when empty)
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val placeholder = (0 until channelSet.settingsCount).associate { ch ->
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val contactKey = "$ch${DataPacket.ID_BROADCAST}"
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val data = DataPacket(bytes = null, dataType = 1, time = 0L, channel = ch)
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contactKey to Packet(0L, 1, contactKey, 0L, data)
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}
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contacts + (placeholder - contacts.keys)
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}.asLiveData()
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@OptIn(ExperimentalCoroutinesApi::class)
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val waypoints: LiveData<Map<Int, Packet>> = _packets.mapLatest { list ->
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list.filter { it.port_num == Portnums.PortNum.WAYPOINT_APP_VALUE }
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.associateBy { packet -> packet.data.waypoint!!.id }
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.filterValues { it.data.waypoint!!.expire > System.currentTimeMillis() / 1000 }
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}.asLiveData()
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private val _destNode = MutableStateFlow<NodeInfo?>(null)
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val destNode: StateFlow<NodeInfo?> get() = if (_destNode.value != null) _destNode else ourNodeInfo
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/**
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* Sets the destination [NodeInfo] used in Radio Configuration.
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* @param node Destination [NodeInfo] (or null for our local NodeInfo).
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*/
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fun setDestNode(node: NodeInfo?) {
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_destNode.value = node
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}
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fun generatePacketId(): Int? {
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return try {
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meshService?.packetId
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} catch (ex: RemoteException) {
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errormsg("RemoteException: ${ex.message}")
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return null
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}
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}
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fun sendMessage(str: String, contactKey: String = this.contactKey.value) {
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// contactKey: unique contact key filter (channel)+(nodeId)
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val channel = contactKey[0].digitToIntOrNull()
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val dest = if (channel != null) contactKey.substring(1) else contactKey
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val p = DataPacket(dest, channel ?: 0, str)
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sendDataPacket(p)
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}
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fun sendWaypoint(wpt: MeshProtos.Waypoint, contactKey: String = "0${DataPacket.ID_BROADCAST}") {
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// contactKey: unique contact key filter (channel)+(nodeId)
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val channel = contactKey[0].digitToIntOrNull()
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val dest = if (channel != null) contactKey.substring(1) else contactKey
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val p = DataPacket(dest, channel ?: 0, wpt)
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if (wpt.id != 0) sendDataPacket(p)
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}
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private fun sendDataPacket(p: DataPacket) {
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try {
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meshService?.send(p)
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} catch (ex: RemoteException) {
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errormsg("Send DataPacket error: ${ex.message}")
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}
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}
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fun requestTraceroute(destNum: Int) {
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try {
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val packetId = meshService?.packetId ?: return
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meshService?.requestTraceroute(packetId, destNum)
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} catch (ex: RemoteException) {
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errormsg("Request traceroute error: ${ex.message}")
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}
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}
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fun requestPosition(destNum: Int, position: Position = Position(0.0, 0.0, 0)) {
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try {
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meshService?.requestPosition(destNum, position)
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} catch (ex: RemoteException) {
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errormsg("Request position error: ${ex.message}")
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}
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}
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fun deleteAllMessages() = viewModelScope.launch(Dispatchers.IO) {
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packetRepository.deleteAllMessages()
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}
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fun deleteMessages(uuidList: List<Long>) = viewModelScope.launch(Dispatchers.IO) {
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packetRepository.deleteMessages(uuidList)
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}
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fun deleteWaypoint(id: Int) = viewModelScope.launch(Dispatchers.IO) {
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packetRepository.deleteWaypoint(id)
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}
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companion object {
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fun getPreferences(context: Context): SharedPreferences =
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context.getSharedPreferences("ui-prefs", Context.MODE_PRIVATE)
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}
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// Connection state to our radio device
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val connectionState get() = radioConfigRepository.connectionState.asLiveData()
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fun isConnected() = connectionState.value != MeshService.ConnectionState.DISCONNECTED
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private val _requestChannelUrl = MutableLiveData<Uri?>(null)
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val requestChannelUrl: LiveData<Uri?> get() = _requestChannelUrl
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fun setRequestChannelUrl(channelUrl: Uri) {
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_requestChannelUrl.value = channelUrl
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}
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/**
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* Called immediately after activity observes requestChannelUrl
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*/
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fun clearRequestChannelUrl() {
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_requestChannelUrl.value = null
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}
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fun showSnackbar(resString: Any) {
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_snackbarText.value = resString
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}
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/**
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* Called immediately after activity observes [snackbarText]
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*/
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fun clearSnackbarText() {
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_snackbarText.value = null
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}
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var txEnabled: Boolean
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get() = config.lora.txEnabled
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set(value) {
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updateLoraConfig { it.copy { txEnabled = value } }
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}
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var region: Config.LoRaConfig.RegionCode
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get() = config.lora.region
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set(value) {
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updateLoraConfig { it.copy { region = value } }
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}
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var ignoreIncomingList: MutableList<Int>
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get() = config.lora.ignoreIncomingList
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set(value) = updateLoraConfig {
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it.copy {
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ignoreIncoming.clear()
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ignoreIncoming.addAll(value)
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}
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}
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// managed mode disables all access to configuration
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val isManaged: Boolean get() = config.device.isManaged
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val myNodeNum get() = myNodeInfo.value?.myNodeNum
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val maxChannels get() = myNodeInfo.value?.maxChannels ?: 8
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override fun onCleared() {
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super.onCleared()
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debug("ViewModel cleared")
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}
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private inline fun updateLoraConfig(crossinline body: (Config.LoRaConfig) -> Config.LoRaConfig) {
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val data = body(config.lora)
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setConfig(config { lora = data })
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}
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// Set the radio config (also updates our saved copy in preferences)
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fun setConfig(config: Config) {
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meshService?.setConfig(config.toByteArray())
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}
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fun setChannel(channel: ChannelProtos.Channel) {
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meshService?.setChannel(channel.toByteArray())
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}
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// Set the radio config (also updates our saved copy in preferences)
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fun setChannels(channelSet: AppOnlyProtos.ChannelSet) = viewModelScope.launch {
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getChannelList(channelSet.settingsList, channels.value.settingsList).forEach(::setChannel)
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radioConfigRepository.replaceAllSettings(channelSet.settingsList)
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val newConfig = config { lora = channelSet.loraConfig }
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if (config.lora != newConfig.lora) setConfig(newConfig)
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}
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val provideLocation = object : MutableLiveData<Boolean>(preferences.getBoolean("provide-location", false)) {
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override fun setValue(value: Boolean) {
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super.setValue(value)
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preferences.edit {
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this.putBoolean("provide-location", value)
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}
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}
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}
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fun setOwner(user: MeshUser) {
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try {
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// Note: we use ?. here because we might be running in the emulator
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meshService?.setOwner(user)
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} catch (ex: RemoteException) {
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errormsg("Can't set username on device, is device offline? ${ex.message}")
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}
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}
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val hasAdminChannel: Boolean
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get() = channelSet.settingsList.any { it.name.equals("admin", ignoreCase = true) }
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/**
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* Write the persisted packet data out to a CSV file in the specified location.
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*/
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fun saveMessagesCSV(uri: Uri) {
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viewModelScope.launch(Dispatchers.Main) {
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// Extract distances to this device from position messages and put (node,SNR,distance) in
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// the file_uri
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val myNodeNum = myNodeNum ?: return@launch
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// Capture the current node value while we're still on main thread
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val nodes = nodeDB.nodes.value
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val positionToPos: (MeshProtos.Position?) -> Position? = { meshPosition ->
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meshPosition?.let { Position(it) }.takeIf {
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it?.isValid() == true
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}
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}
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writeToUri(uri) { writer ->
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// Create a map of nodes keyed by their ID
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val nodesById = nodes.values.associateBy { it.num }.toMutableMap()
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val nodePositions = mutableMapOf<Int, MeshProtos.Position?>()
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writer.appendLine("\"date\",\"time\",\"from\",\"sender name\",\"sender lat\",\"sender long\",\"rx lat\",\"rx long\",\"rx elevation\",\"rx snr\",\"distance\",\"hop limit\",\"payload\"")
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// Packets are ordered by time, we keep most recent position of
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// our device in localNodePosition.
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val dateFormat = SimpleDateFormat("\"yyyy-MM-dd\",\"HH:mm:ss\"", Locale.getDefault())
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meshLogRepository.getAllLogsInReceiveOrder(Int.MAX_VALUE).first().forEach { packet ->
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// If we get a NodeInfo packet, use it to update our position data (if valid)
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packet.nodeInfo?.let { nodeInfo ->
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positionToPos.invoke(nodeInfo.position)?.let {
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nodePositions[nodeInfo.num] = nodeInfo.position
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}
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}
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packet.meshPacket?.let { proto ->
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// If the packet contains position data then use it to update, if valid
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packet.position?.let { position ->
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positionToPos.invoke(position)?.let {
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nodePositions[proto.from.takeIf { it != 0 } ?: myNodeNum] = position
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}
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}
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// Filter out of our results any packet that doesn't report SNR. This
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// is primarily ADMIN_APP.
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if (proto.rxSnr != 0.0f) {
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val rxDateTime = dateFormat.format(packet.received_date)
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val rxFrom = proto.from.toUInt()
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val senderName = nodesById[proto.from]?.user?.longName ?: ""
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// sender lat & long
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val senderPosition = nodePositions[proto.from]
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val senderPos = positionToPos.invoke(senderPosition)
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val senderLat = senderPos?.latitude ?: ""
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val senderLong = senderPos?.longitude ?: ""
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// rx lat, long, and elevation
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val rxPosition = nodePositions[myNodeNum]
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val rxPos = positionToPos.invoke(rxPosition)
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val rxLat = rxPos?.latitude ?: ""
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val rxLong = rxPos?.longitude ?: ""
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val rxAlt = rxPos?.altitude ?: ""
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val rxSnr = "%f".format(proto.rxSnr)
|
|
|
|
// Calculate the distance if both positions are valid
|
|
|
|
val dist = if (senderPos == null || rxPos == null) {
|
|
""
|
|
} else {
|
|
positionToMeter(
|
|
rxPosition!!, // Use rxPosition but only if rxPos was valid
|
|
senderPosition!! // Use senderPosition but only if senderPos was valid
|
|
).roundToInt().toString()
|
|
}
|
|
|
|
val hopLimit = proto.hopLimit
|
|
|
|
val payload = when {
|
|
proto.decoded.portnumValue !in setOf(
|
|
Portnums.PortNum.TEXT_MESSAGE_APP_VALUE,
|
|
Portnums.PortNum.RANGE_TEST_APP_VALUE,
|
|
) -> "<${proto.decoded.portnum}>"
|
|
proto.hasDecoded() -> proto.decoded.payload.toStringUtf8()
|
|
.replace("\"", "\"\"")
|
|
proto.hasEncrypted() -> "${proto.encrypted.size()} encrypted bytes"
|
|
else -> ""
|
|
}
|
|
|
|
// date,time,from,sender name,sender lat,sender long,rx lat,rx long,rx elevation,rx snr,distance,hop limit,payload
|
|
writer.appendLine("$rxDateTime,\"$rxFrom\",\"$senderName\",\"$senderLat\",\"$senderLong\",\"$rxLat\",\"$rxLong\",\"$rxAlt\",\"$rxSnr\",\"$dist\",\"$hopLimit\",\"$payload\"")
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private suspend inline fun writeToUri(uri: Uri, crossinline block: suspend (BufferedWriter) -> Unit) {
|
|
withContext(Dispatchers.IO) {
|
|
try {
|
|
app.contentResolver.openFileDescriptor(uri, "wt")?.use { parcelFileDescriptor ->
|
|
FileWriter(parcelFileDescriptor.fileDescriptor).use { fileWriter ->
|
|
BufferedWriter(fileWriter).use { writer ->
|
|
block.invoke(writer)
|
|
}
|
|
}
|
|
}
|
|
} catch (ex: FileNotFoundException) {
|
|
errormsg("Can't write file error: ${ex.message}")
|
|
}
|
|
}
|
|
}
|
|
|
|
fun addQuickChatAction(name: String, value: String, mode: QuickChatAction.Mode) {
|
|
viewModelScope.launch(Dispatchers.Main) {
|
|
val action = QuickChatAction(0, name, value, mode, _quickChatActions.value.size)
|
|
quickChatActionRepository.insert(action)
|
|
}
|
|
}
|
|
|
|
fun deleteQuickChatAction(action: QuickChatAction) {
|
|
viewModelScope.launch(Dispatchers.Main) {
|
|
quickChatActionRepository.delete(action)
|
|
}
|
|
}
|
|
|
|
fun updateQuickChatAction(
|
|
action: QuickChatAction,
|
|
name: String?,
|
|
message: String?,
|
|
mode: QuickChatAction.Mode?
|
|
) {
|
|
viewModelScope.launch(Dispatchers.Main) {
|
|
val newAction = QuickChatAction(
|
|
action.uuid,
|
|
name ?: action.name,
|
|
message ?: action.message,
|
|
mode ?: action.mode,
|
|
action.position
|
|
)
|
|
quickChatActionRepository.update(newAction)
|
|
}
|
|
}
|
|
|
|
fun updateActionPositions(actions: List<QuickChatAction>) {
|
|
viewModelScope.launch(Dispatchers.Main) {
|
|
for (position in actions.indices) {
|
|
quickChatActionRepository.setItemPosition(actions[position].uuid, position)
|
|
}
|
|
}
|
|
}
|
|
|
|
val tracerouteResponse: LiveData<String?>
|
|
get() = radioConfigRepository.tracerouteResponse.asLiveData()
|
|
|
|
fun clearTracerouteResponse() {
|
|
radioConfigRepository.clearTracerouteResponse()
|
|
}
|
|
|
|
private val _currentTab = MutableLiveData(0)
|
|
val currentTab: LiveData<Int> get() = _currentTab
|
|
|
|
fun setCurrentTab(tab: Int) {
|
|
_currentTab.value = tab
|
|
}
|
|
|
|
fun focusUserNode(node: NodeInfo?) {
|
|
_currentTab.value = 1
|
|
_focusedNode.value = node
|
|
}
|
|
|
|
fun setNodeFilterText(text: String) {
|
|
_nodeFilterText.value = text
|
|
}
|
|
|
|
}
|