From 9d753c9fa9e93171206e6036c1889ea17cac9db6 Mon Sep 17 00:00:00 2001
From: Iván Ávalos <avalos@disroot.org>
Date: Mon, 31 Jan 2022 22:47:33 -0600
Subject: Attach tickerFlow to viewModelScope in an attempt to bind it to app
 lifecycle more effectively

---
 .../mx/trackermap/TrackerMap/android/units/UnitsActivity.kt |  1 -
 .../trackermap/TrackerMap/android/units/UnitsViewModel.kt   |  5 +----
 .../mx/trackermap/TrackerMap/controllers/UnitsController.kt | 13 ++-----------
 3 files changed, 3 insertions(+), 16 deletions(-)

diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt
index a327234..4371eed 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt
@@ -78,7 +78,6 @@ class UnitsActivity : AppCompatActivity() {
     override fun onDestroy() {
         super.onDestroy()
         _binding = null
-        unitsViewModel.stopUpdates()
     }
 
     private fun setupViews() {
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 8401ee7..ba29090 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
@@ -69,6 +69,7 @@ class UnitsViewModel(
 
     init {
         Log.d("UnitsViewModel", "Initializing Units View Model")
+        unitsController.fetchUnits(viewModelScope)
         viewModelScope.launch {
             setupObservers()
         }
@@ -90,10 +91,6 @@ class UnitsViewModel(
         }
     }
 
-    fun stopUpdates() {
-        unitsController.stopUpdates()
-    }
-
     fun selectUnit(unit: UnitInformation) {
         Log.d("UnitsViewModel", "Selecting unit ${unit.device.name}")
         _selectedUnit.postValue(unit)
diff --git a/shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/controllers/UnitsController.kt b/shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/controllers/UnitsController.kt
index e74c7c4..a5d5bd7 100644
--- a/shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/controllers/UnitsController.kt
+++ b/shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/controllers/UnitsController.kt
@@ -48,19 +48,14 @@ class UnitsController(
     private val unitsFlow = MutableStateFlow<List<UnitInformation>>(emptyList())
     private val queryFlow = MutableStateFlow("")
 
-    private var unitsUpdateJob: Job? = null
-
     init {
-        GlobalScope.launch {
-            fetchUnits(this)
-        }
         GlobalScope.launch {
             setupFlows()
         }
     }
 
-    private suspend fun fetchUnits(scope: CoroutineScope) {
-        unitsUpdateJob = Coroutines.tickerFlow(UPDATE_TIME.seconds)
+    fun fetchUnits(scope: CoroutineScope) {
+        Coroutines.tickerFlow(UPDATE_TIME.seconds)
             .map {
                 print("Fetching new positions...\n")
                 positionsApi.positionsGet()
@@ -90,10 +85,6 @@ class UnitsController(
             .launchIn(scope)
     }
 
-    fun stopUpdates() {
-        unitsUpdateJob?.cancel()
-    }
-
     fun search(query: String) {
         queryFlow.value = query
     }
-- 
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