public void SavePackageAgents(IEnumerable <PackageAgent> agents)
{
if (agents == null)
{
throw new ArgumentNullException(nameof(agents));
}
var isDirty = false;
var existingSettingsLookup = GetExistingSettingsLookup();
var disabledAgentsSection = Settings.GetSection(ConfigurationConstants2.DisabledPackageAgents);
var existingDisabledAgents = disabledAgentsSection?.Items.OfType <AddItem>();
var existingDisabledAgentsLookup = existingDisabledAgents?.ToDictionary(setting => setting.Key, StringComparer.OrdinalIgnoreCase);
foreach (var agent in agents)
{
AddItem existingDisabledAgentItem = null;
AgentItem existingAgentItem = null;
var existingAgentIsEnabled = existingDisabledAgentsLookup == null || existingDisabledAgentsLookup.TryGetValue(agent.Name, out existingDisabledAgentItem);
if (existingSettingsLookup != null &&
existingSettingsLookup.TryGetValue(agent.Name, out existingAgentItem) &&
ReadProtocolVersion(existingAgentItem) == agent.ProtocolVersion)
{
var oldPackageAgent = ReadPackageAgent(existingAgentItem, existingAgentIsEnabled);
UpdatePackageAgent(
agent,
oldPackageAgent,
existingDisabledAgentItem,
updateEnabled: true,
shouldSkipSave: true,
isDirty: ref isDirty);
}
else
{
AddPackageAgent(agent, shouldSkipSave: true, isDirty: ref isDirty);
}
if (existingAgentItem != null)
{
existingSettingsLookup.Remove(agent.Name);
}
}
if (existingSettingsLookup != null)
{
foreach (var agentItem in existingSettingsLookup)
{
if (existingDisabledAgentsLookup != null && existingDisabledAgentsLookup.TryGetValue(agentItem.Value.Key, out var existingDisabledAgentItem))
{
Settings.Remove(ConfigurationConstants2.DisabledPackageAgents, existingDisabledAgentItem);
isDirty = true;
}
Settings.Remove(ConfigurationConstants2.PackageAgents, agentItem.Value);
isDirty = true;
}
}
if (isDirty)
{
Settings.SaveToDisk();
OnPackageAgentsChanged();
isDirty = false;
}
}
static int ReadProtocolVersion(AgentItem setting) => int.TryParse(setting.ProtocolVersion, out var protocolVersion) ? protocolVersion : PackageSource.DefaultProtocolVersion;
