appdetails: update app uninstall state & allow reinstalls

app/src/main/java/com/aurora/store/data/helper/DownloadHelper.kt

@@ -116,6 +116,14 @@ class DownloadHelper @Inject constructor(
         downloadDao.updateStatus(packageName, DownloadStatus.CANCELLED)
     }
 
+    /**
+     * Removes the download record from the database without deleting downloaded files.
+     * @param packageName Name of the package
+     */
+    suspend fun removeDownload(packageName: String) {
+        downloadDao.delete(packageName)
+    }
+
     /**
      * Clears the entry & downloaded files for the given package
      * @param packageName Name of the package of the app

app/src/main/java/com/aurora/store/viewmodel/details/AppDetailsViewModel.kt

@@ -16,7 +16,6 @@ import com.aurora.extensions.TAG
 import com.aurora.extensions.requiresGMS
 import com.aurora.gplayapi.data.models.App
 import com.aurora.gplayapi.data.models.Review
-import com.aurora.gplayapi.data.models.datasafety.Report as DataSafetyReport
 import com.aurora.gplayapi.data.models.details.TestingProgramStatus
 import com.aurora.gplayapi.helpers.AppDetailsHelper
 import com.aurora.gplayapi.helpers.ReviewsHelper
@@ -42,7 +41,6 @@ import com.aurora.store.util.Preferences
 import com.aurora.store.util.Preferences.PREFERENCE_UPDATES_EXTENDED
 import dagger.hilt.android.lifecycle.HiltViewModel
 import dagger.hilt.android.qualifiers.ApplicationContext
-import javax.inject.Inject
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
@@ -56,6 +54,8 @@ import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 import kotlinx.serialization.json.Json
 import org.json.JSONObject
+import javax.inject.Inject
+import com.aurora.gplayapi.data.models.datasafety.Report as DataSafetyReport
 
 @HiltViewModel
 class AppDetailsViewModel @Inject constructor(
@@ -155,12 +155,22 @@ class AppDetailsViewModel @Inject constructor(
                 _app.value = appDetailsHelper.getAppByPackageName(packageName).copy(
                     isInstalled = PackageUtil.isInstalled(context, packageName)
                 )
-                // Seed state from any in-flight download for this package so reopening
+                val existingDownload = downloadHelper.getDownload(packageName)
-                // the screen doesn't briefly flash the default install action while the
+
-                // download flow catches up.
+                // A COMPLETED record for an app that is no longer installed means the app was
-                _state.value = downloadHelper.getDownload(packageName)
+                // installed then removed while Aurora held a stale record.
-                    ?.let { stateFromDownload(it) }
+                // Remove it so the live download observer doesn't lock the UI in Installing state
-                    ?: defaultAppState
+                // indefinitely.
+                if (existingDownload?.status == DownloadStatus.COMPLETED && !isInstalled) {
+                    downloadHelper.removeDownload(packageName)
+                    _state.value = defaultAppState
+                } else {
+                    // Seed state from any in-flight download for this package so reopening
+                    // the screen doesn't briefly flash the default install action while the
+                    // download flow catches up.
+                    _state.value =
+                        existingDownload?.let { stateFromDownload(it) } ?: defaultAppState
+                }
             } catch (exception: Exception) {
                 Log.e(TAG, "Failed to fetch app details", exception)
                 _app.value = null