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/**
* TrackerMap
* Copyright (C) 2021-2022 Iván Ávalos <avalos@disroot.org>, Henoch Ojeda <imhenoch@protonmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package mx.trackermap.TrackerMap.android.units
import android.util.Log
import androidx.lifecycle.*
import com.mousebird.maply.Point2d
import kotlinx.coroutines.DelicateCoroutinesApi
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.launch
import mx.trackermap.TrackerMap.client.models.Geofence
import mx.trackermap.TrackerMap.client.models.MapLayer
import mx.trackermap.TrackerMap.client.models.UnitInformation
import mx.trackermap.TrackerMap.controllers.GeofencesController
import mx.trackermap.TrackerMap.controllers.UnitsController
import org.koin.core.component.KoinComponent
import org.koin.core.component.inject
import kotlin.time.ExperimentalTime
@DelicateCoroutinesApi
@ExperimentalTime
class UnitsViewModel(
savedStateHandle: SavedStateHandle
) : ViewModel(), KoinComponent {
enum class UnitsDisplayMode {
MAP, LIST
}
data class Camera (
val point: Point2d,
val animated: Boolean,
)
private val unitsController: UnitsController by inject()
private val geofenceController: GeofencesController by inject()
private var _searchQuery = savedStateHandle.getLiveData("searchQuery", "")
private var _unitsDisplayMode = MutableLiveData(UnitsDisplayMode.MAP)
private var _units = MutableLiveData<List<UnitInformation>>()
private var _oldSelectedUnit = MutableLiveData<UnitInformation?>()
private var _selectedUnit = MutableLiveData<UnitInformation?>()
private var _mapLayerType = MutableLiveData<MapLayer.Type>()
private var _geofences = MutableLiveData<Map<Int, Geofence>>()
private val _camera = MutableLiveData<Camera?>()
val searchQuery: LiveData<String> get() = _searchQuery
val unitsDisplayMode: LiveData<UnitsDisplayMode> get() = _unitsDisplayMode
val units: LiveData<List<UnitInformation>> get() = _units
val oldSelectedUnit: LiveData<UnitInformation?> get() = _oldSelectedUnit
val selectedUnit: LiveData<UnitInformation?> get() = _selectedUnit
val mapLayerType: LiveData<MapLayer.Type> get() = _mapLayerType
val geofences: LiveData<Map<Int, Geofence>> get() = _geofences
val camera: LiveData<Camera?> get() = _camera
init {
Log.d("UnitsViewModel", "Initializing Units View Model")
unitsController.fetchUnits(viewModelScope)
viewModelScope.launch {
setupObservers()
}
viewModelScope.launch {
setupGeofenceObserver()
}
}
private suspend fun setupObservers() {
Log.d("UnitsViewModel", "Setup observers")
unitsController.displayedUnitsFlow.collect { units ->
this._units.value = units
updateSelectedUnit()
}
}
private suspend fun setupGeofenceObserver() {
geofenceController.geofencesFlow.collect {
this._geofences.postValue(it)
}
}
fun selectUnit(unit: UnitInformation?, switchToMap: Boolean = true) {
Log.d("UnitsViewModel", "Selecting unit ${unit?.device?.name}")
_oldSelectedUnit.postValue(_selectedUnit.value)
_selectedUnit.postValue(unit)
if (unit != null && switchToMap) {
setDisplayMode(UnitsDisplayMode.MAP)
}
}
fun selectUnitWithPositionId(id: Int?, switchToMap: Boolean = true) {
if (id == null) {
Log.d("UnitsViewModel", "Deselecting unit")
selectUnit(null, switchToMap = switchToMap)
return
}
Log.d("UnitsViewModel", "Selecting unit with position id: $id")
val unit = _units.value?.find { it.position?.id == id }
selectUnit(unit, switchToMap = switchToMap)
}
private fun selectUnitWithUnitId(id: Int?, switchToMap: Boolean = true) {
if (id == null) {
Log.d("UnitsViewModel", "Deselecting unit")
selectUnit(null, switchToMap = switchToMap)
return
}
Log.d("UnitsViewModel", "Selecting unit with device id: $id")
val unit = _units.value?.find { it.device.id == id }
selectUnit(unit, switchToMap = switchToMap)
}
private fun updateSelectedUnit() {
selectedUnit.value?.let { selected ->
Log.d("UnitsViewModel", "Updating selected unit with id: ${selected.device.id}")
selectUnitWithUnitId(selected.device.id, switchToMap = false)
}
}
fun setDisplayMode(displayMode: UnitsDisplayMode) {
Log.d("UnitsViewModel", "Setting Display mode to $displayMode")
_unitsDisplayMode.postValue(displayMode)
}
fun setMapLayerType(layer: MapLayer.Type) {
_mapLayerType.postValue(layer)
}
fun toggleDisplayMode() {
Log.d("UnitsViewModel", "Toggling Display mode")
val newDisplayMode =
if (unitsDisplayMode.value == UnitsDisplayMode.MAP) {
_selectedUnit.postValue(null)
UnitsDisplayMode.LIST
} else {
UnitsDisplayMode.MAP
}
_unitsDisplayMode.postValue(newDisplayMode)
}
fun search(query: String) {
unitsController.search(query)
}
fun moveCamera(point: Camera) {
_camera.postValue(point)
}
fun clearCamera() {
_camera.postValue(null)
}
}
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