public void CreateListener(ConfigurationLevels level, string documentPath, Func <ConfigurationLevels, string, Task> LoadOnChangeAsyncCallback)
{
var document = FirestoreClient.Document(documentPath);
ConfigurationDocuments.Add(level, document);
document.Listen(async snapshot => await LoadOnChangeAsyncCallback(level, snapshot.Id));
}
public async Task LoadDocumentSettingsOnChangeAsync(ConfigurationLevels level, string snapshotId)
{
_logger.LogInformation($"Configuration change detected... Level: {level}, Document: {snapshotId}");
//Remove all keys for a new load.
ConfigData.Clear();
//When a change is made in one level we must load all other levels in order to merge all settings ordered by relevance (application -> stage -> machine).
foreach (var configurationLevel in _connectionManager.GetConfigurationDocumentLevels())
{
_logger.LogDebug($"Loading Documents by Level. Current:{configurationLevel}");
var remoteSettingsDocument = await _connectionManager.GetDocumentFieldsAsync(configurationLevel);
if (remoteSettingsDocument.Count > 0)
{
//Use this FirestoreConfigurationProvider method to convert the json settings into a dictionary with IConfiguration format.
var dataDictionary = JsonSettingsToDictionarySettings(remoteSettingsDocument.ToJson());
//Add settings to a centralized final dictionary.
dataDictionary.ToList().ForEach(item => ConfigData.AddOrUpdate(item.Key.ToLower(), item.Value, (key, value) => value = item.Value));
//Resolve configuration secrets if exists.
var secretValues = await _secretsManager.ResolveSecretsAsync(dataDictionary, _options.ProjectId);
secretValues.ForEach(item => ConfigData.AddOrUpdate(item.Key.ToLower(), item.Value, (key, value) => value = item.Value));
}
}
//Use this FirestoreConfigurationProvider method in order to have access the private Data Dictionary and refresh the token.
ReloadSettings(ConfigData);
_logger.LogDebug($"End of detected change load! {DateTime.Now}");
}
public async Task RemoveListener(ConfigurationLevels level)
{
if (ConfigurationListeners.ContainsKey(level))
{
await ConfigurationListeners[level].StopAsync();
}
if (ConfigurationDocuments.ContainsKey(level))
{
ConfigurationDocuments.Remove(level);
}
}
public async Task <Dictionary <string, object> > GetDocumentFieldsAsync(ConfigurationLevels level)
{
if (ConfigurationDocuments.TryGetValue(level, out var document))
{
var snapshot = await document.GetSnapshotAsync();
if (snapshot.Exists)
{
return(snapshot.ToDictionary());
}
}
return(new Dictionary <string, object>());
}
