Mark result as viewed

composeApp/src/commonMain/kotlin/org/ooni/probe/data/repositories/ResultRepository.kt

@@ -66,6 +66,11 @@ class ResultRepository(
             }
         }
 
+    suspend fun markAsViewed(resultId: ResultModel.Id) =
+        withContext(backgroundDispatcher) {
+            database.resultQueries.markAsViewed(resultId.value)
+        }
+
     private fun Result.toModel(): ResultModel? {
         return ResultModel(
             id = ResultModel.Id(id),

composeApp/src/commonMain/kotlin/org/ooni/probe/di/Dependencies.kt

@@ -203,7 +203,13 @@ class Dependencies(
         resultId: ResultModel.Id,
         onBack: () -> Unit,
         goToMeasurement: (MeasurementModel.ReportId, String?) -> Unit,
-    ) = ResultViewModel(resultId, onBack, goToMeasurement, getResult::invoke)
+    ) = ResultViewModel(
+        resultId = resultId,
+        onBack = onBack,
+        goToMeasurement = goToMeasurement,
+        getResult = getResult::invoke,
+        markResultAsViewed = resultRepository::markAsViewed,
+    )
 
     companion object {
         @VisibleForTesting

composeApp/src/commonMain/kotlin/org/ooni/probe/ui/result/ResultViewModel.kt

@@ -7,8 +7,11 @@ import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.filterIsInstance
+import kotlinx.coroutines.flow.filterNotNull
 import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.flow.take
 import kotlinx.coroutines.flow.update
 import org.ooni.probe.data.models.MeasurementModel
 import org.ooni.probe.data.models.ResultItem
@@ -19,6 +22,7 @@ class ResultViewModel(
     onBack: () -> Unit,
     goToMeasurement: (MeasurementModel.ReportId, String?) -> Unit,
     getResult: (ResultModel.Id) -> Flow<ResultItem?>,
+    markResultAsViewed: suspend (ResultModel.Id) -> Unit,
 ) : ViewModel() {
     private val events = MutableSharedFlow<Event>(extraBufferCapacity = 1)
 
@@ -27,7 +31,23 @@ class ResultViewModel(
 
     init {
         getResult(resultId)
-            .onEach { result -> _state.update { it.copy(result = result) } }
+            .onEach { result ->
+                _state.update { it.copy(result = result) }
+                if (result?.result?.isViewed == false) {
+                    markResultAsViewed(resultId)
+                }
+            }
+            .launchIn(viewModelScope)
+
+        _state
+            .map { it.result }
+            .filterNotNull()
+            .take(1)
+            .onEach {
+                if (!it.result.isViewed) {
+                    markResultAsViewed(resultId)
+                }
+            }
             .launchIn(viewModelScope)
 
         events

composeApp/src/commonMain/kotlin/org/ooni/probe/ui/results/ResultsScreen.kt

@@ -89,12 +89,11 @@ private fun ResultItem(
     onResultClick: () -> Unit,
 ) {
     Surface(
-        color =
-            if (item.result.isViewed) {
-                MaterialTheme.colorScheme.surface
-            } else {
-                MaterialTheme.colorScheme.surfaceVariant
-            },
+        color = if (item.result.isViewed) {
+            MaterialTheme.colorScheme.surface
+        } else {
+            MaterialTheme.colorScheme.surfaceVariant
+        },
         modifier = Modifier.padding(top = 1.dp),
     ) {
         Row(

composeApp/src/commonMain/sqldelight/org/ooni/probe/data/Result.sq

@@ -51,3 +51,6 @@ FROM Result
 LEFT JOIN Network ON Result.network_id = Network.id
 WHERE Result.id = ?
 LIMIT 1;
+
+markAsViewed:
+UPDATE Result SET is_viewed = 1 WHERE id = ?;

composeApp/src/commonTest/kotlin/org/ooni/probe/ui/result/ResultViewModelTest.kt

@@ -42,10 +42,12 @@ class ResultViewModelTest {
         onBack: () -> Unit = {},
         goToMeasurement: (MeasurementModel.ReportId, String?) -> Unit = { _, _ -> },
         getResult: (ResultModel.Id) -> Flow<ResultItem?> = { flowOf(null) },
+        markResultAsViewed: (ResultModel.Id) -> Unit = {},
     ) = ResultViewModel(
         resultId = resultId,
         onBack = onBack,
         goToMeasurement = goToMeasurement,
         getResult = getResult,
+        markResultAsViewed = markResultAsViewed,
     )
 }