public EnvironmentViewModel(EnvironmentsViewModel environmentsViewModel,
IEnvironmentService environmentService,
EnvironmentData environmentData)
{
_environmentsViewModel = environmentsViewModel;
_environmentService = environmentService;
EnvironmentData = environmentData;
AddEnvironmentCommand = new DelegateCommand(AddEnvironment);
RemoveEnvironmentCommand = new DelegateCommand(RemoveEnvironment);
UpdateStatusCommand = new DelegateCommand(UpdateStatus);
AvailableDatabaseTypes = _environmentsViewModel.AvailableDatabaseTypes;
UpdateStatus(null);
}
public EnvironmentState GetStateOf(EnvironmentData environmentData)
{
var state = new EnvironmentState();
var databaseState = _databaseService.GetDatabaseState(environmentData);
state.DatabaseStatus = databaseState.Status;
state.DatabaseVersion = databaseState.Version;
var applicationState = _applicationService.GetApplicationState(environmentData);
state.ApplicationStatus = applicationState.Status;
state.ApplicationVersion = applicationState.Version;
return state;
}
public DatabaseState GetDatabaseState(EnvironmentData environmentData)
{
var state = new DatabaseState();
if (environmentData.DatabaseType == null || environmentData.DatabaseType.Equals("none"))
{
state.Status = "N/A";
state.Version = "N/A";
return state;
}
var credentials = new DatabaseCredentials
{
DatabaseType = environmentData.DatabaseType,
Host = environmentData.DatabaseHost,
Database = environmentData.DatabaseName,
Username = environmentData.DatabaseUsername,
Password = environmentData.DatabasePassword,
IntegratedSecurity = environmentData.IntegratedSecurity
};
state.Status = _provider.TestConnection(credentials);
if (credentials.IsValid)
{
try
{
using (var repo = _provider.GetVersionRepo(credentials))
{
state.Version = repo.GetVersion().ToString();
}
}
catch (Exception e)
{
state.Version = "No SchemaInfo";
}
}
else
{
state.Status = "Invalid credentials";
}
return state;
}
public ApplicationState GetApplicationState(EnvironmentData environmentData)
{
var state = new ApplicationState();
if (environmentData.Url.IsNullOrEmpty())
{
state.Status = "N/A";
state.Version = "N/A";
return state;
}
if (environmentData.HasValidUrl)
{
try
{
var request = WebRequest.Create(environmentData.Url);
var response = (HttpWebResponse)request.GetResponse();
if (response != null)
{
state.Status = response.StatusCode.ToString("D");
}
}
catch(WebException e)
{
var response = (HttpWebResponse) e.Response;
state.Status = response != null ?
response.StatusCode.ToString("D") :
e.Message;
}
catch (Exception e)
{
state.Status = e.GetType().Name + ": " + e.Message;
}
}
else
{
state.Status = "Invalid url";
}
return state;
}
