public Dictionary<string, string> GetSettingsValues(SettingsGroupDescriptor group, string user,
string instanceKey)
{
using (var context = new DataAccessContext())
{
var documentKey = new ConfigurationDocumentKey(group.Name, group.Version, user, instanceKey);
var broker = context.GetConfigurationDocumentBroker();
var document = broker.GetConfigurationDocument(documentKey);
var values = new Dictionary<string, string>();
if (document != null)
{
var parser = new SettingsParser();
parser.FromXml(document.DocumentText, values);
}
return values;
}
}
public void PutSettingsValues(SettingsGroupDescriptor group, string user, string instanceKey,
Dictionary<string, string> dirtyValues)
{
using (var context = new DataAccessContext())
{
// next we obtain any previously stored configuration document for this settings group
var documentKey = new ConfigurationDocumentKey(group.Name, group.Version, user, instanceKey);
var broker = context.GetConfigurationDocumentBroker();
var values = new Dictionary<string, string>();
var parser = new SettingsParser();
var document = broker.GetConfigurationDocument(documentKey);
if (document == null)
{
document = new ConfigurationDocument
{
CreationTime = Platform.Time,
DocumentName = group.Name,
DocumentVersionString = VersionUtils.ToPaddedVersionString(group.Version,false,false),
User = user,
DocumentText = string.Empty
};
broker.AddConfigurationDocument(document);
}
else
{
// parse document
parser.FromXml(document.DocumentText, values);
}
// update the values that have changed
foreach (var kvp in dirtyValues)
values[kvp.Key] = kvp.Value;
try
{
if (values.Count > 0)
{
// generate the document, update local cache and server
document.DocumentText = parser.ToXml(values);
context.Commit();
}
}
catch (EndpointNotFoundException e)
{
Platform.Log(LogLevel.Debug, e, "Unable to save settings to configuration service.");
}
}
}
/// <summary>
/// Gets the settings group that immediately precedes the one provided.
/// </summary>
public SettingsGroupDescriptor GetPreviousSettingsGroup(SettingsGroupDescriptor group)
{
using (var context = new DataAccessContext())
{
var documentKey = new ConfigurationDocumentKey(group.Name, group.Version, null, null);
var broker = context.GetConfigurationDocumentBroker();
var document = broker.GetPriorConfigurationDocument(documentKey);
if (document != null)
{
return new SettingsGroupDescriptor(document.DocumentName,VersionUtils.FromPaddedVersionString(document.DocumentVersionString),string.Empty,group.AssemblyQualifiedTypeName,group.HasUserScopedSettings);
}
return null;
}
}
