From 18987c3b31c2b8fe1a911297e8b104d583dd5c83 Mon Sep 17 00:00:00 2001
From: Iván Ávalos <avalos@disroot.org>
Date: Thu, 10 Mar 2022 20:33:40 -0600
Subject: - Card on map now updates info when there is a change - Huge device
 list performance improvements on search and updates

---
 .../TrackerMap/android/units/UnitsViewModel.kt     | 44 +++++++++++++++++-----
 1 file changed, 35 insertions(+), 9 deletions(-)

(limited to 'androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsViewModel.kt')

diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsViewModel.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsViewModel.kt
index ba29090..174d55e 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsViewModel.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsViewModel.kt
@@ -54,6 +54,7 @@ class UnitsViewModel(
     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>>()
@@ -62,6 +63,7 @@ class UnitsViewModel(
     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
@@ -82,6 +84,7 @@ class UnitsViewModel(
         Log.d("UnitsViewModel", "Setup observers")
         unitsController.displayedUnitsFlow.collect { units ->
             this._units.value = units
+            updateSelectedUnit()
         }
     }
 
@@ -91,22 +94,45 @@ class UnitsViewModel(
         }
     }
 
-    fun selectUnit(unit: UnitInformation) {
-        Log.d("UnitsViewModel", "Selecting unit ${unit.device.name}")
+    fun selectUnit(unit: UnitInformation?, switchToMap: Boolean = true) {
+        Log.d("UnitsViewModel", "Selecting unit ${unit?.device?.name}")
+        _oldSelectedUnit.postValue(_selectedUnit.value)
         _selectedUnit.postValue(unit)
-        setDisplayMode(UnitsDisplayMode.MAP)
+        if (unit != null && switchToMap) {
+            setDisplayMode(UnitsDisplayMode.MAP)
+        }
     }
 
-    fun selectUnitWith(positionId: Int?) {
-        if (positionId == null) {
+    fun selectUnitWithPositionId(id: Int?, switchToMap: Boolean = true) {
+        if (id == null) {
             Log.d("UnitsViewModel", "Deselecting unit")
-            _selectedUnit.postValue(null)
+            selectUnit(null, switchToMap = switchToMap)
             return
         }
 
-        Log.d("UnitsViewModel", "Selecting unit with position id: $positionId")
-        val unit = _units.value?.find { it.position?.id == positionId }
-        _selectedUnit.postValue(unit)
+        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) {
-- 
cgit v1.2.3