Merge pull request #3509 from Flow-Launcher/mainvm_more_log

Add more debug log info for query

Author: Jack251970

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -1215,10 +1215,14 @@ private async Task QueryResultsAsync(bool searchDelay, bool isReQuery = false, b
         {
             _updateSource?.Cancel();
 
+            App.API.LogDebug(ClassName, $"Start query with text: <{QueryText}>");
+
             var query = await ConstructQueryAsync(QueryText, Settings.CustomShortcuts, Settings.BuiltinShortcuts);
 
             if (query == null) // shortcut expanded
             {
+                App.API.LogDebug(ClassName, $"Clear query results");
+
                 // Hide and clear results again because running query may show and add some results
                 Results.Visibility = Visibility.Collapsed;
                 Results.Clear();
@@ -1233,6 +1237,8 @@ private async Task QueryResultsAsync(bool searchDelay, bool isReQuery = false, b
                 return;
             }
 
+            App.API.LogDebug(ClassName, $"Start query with ActionKeyword <{query.ActionKeyword}> and RawQuery <{query.RawQuery}>");
+
             _updateSource = new CancellationTokenSource();
 
             ProgressBarVisibility = Visibility.Hidden;
@@ -1253,6 +1259,9 @@ private async Task QueryResultsAsync(bool searchDelay, bool isReQuery = false, b
 
             var plugins = PluginManager.ValidPluginsForQuery(query);
 
+            var validPluginNames = plugins.Select(x => $"<{x.Metadata.Name}>");
+            App.API.LogDebug(ClassName, $"Valid <{plugins.Count}> plugins: {string.Join(" ", validPluginNames)}");
+
             if (plugins.Count == 1)
             {
                 PluginIconPath = plugins.Single().Metadata.IcoPath;
@@ -1321,6 +1330,8 @@ private async Task QueryResultsAsync(bool searchDelay, bool isReQuery = false, b
             // Local function
             async Task QueryTaskAsync(PluginPair plugin, CancellationToken token)
             {
+                App.API.LogDebug(ClassName, $"Wait for querying plugin <{plugin.Metadata.Name}>");
+
                 if (searchDelay)
                 {
                     var searchDelayTime = plugin.Metadata.SearchDelayTime ?? Settings.SearchDelayTime;
@@ -1359,6 +1370,8 @@ async Task QueryTaskAsync(PluginPair plugin, CancellationToken token)
 
                 if (token.IsCancellationRequested) return;
 
+                App.API.LogDebug(ClassName, $"Update results for plugin <{plugin.Metadata.Name}>");
+
                 if (!_resultsUpdateChannelWriter.TryWrite(new ResultsForUpdate(resultsCopy, plugin.Metadata, query,
                     token, reSelect)))
                 {
@@ -1448,6 +1461,8 @@ private void RemoveOldQueryResults(Query query)
         {
             if (_lastQuery?.ActionKeyword != query?.ActionKeyword)
             {
+                App.API.LogDebug(ClassName, $"Remove old results");
+
                 Results.Clear();
             }
         }