public bool CanExecute(BackupPlan plan)
{
var placeholders = new Placeholders();
systemOperations.LoadSystemPlaceholders(placeholders);
var stepTypes = new HashSet <string>(plan.Steps.Select(step => step.StepType));
return
(!stepTypes.Select(type => serviceProvider.Get <IStepExecution>(s => s.Type == type)
?.CanExecuteSupportedSteps(plan.Steps, placeholders))
.Any(result => !(result ?? true)));
}
public async Task ExecuteAsync(BackupPlan plan, PlanExecutionEvents events)
{
await Task.Run(() =>
{
try
{
events.OnIsRunning(true);
var placeholders = new Placeholders();
systemOperations.LoadSystemPlaceholders(placeholders);
int stepsFinished = 0;
events.OnProgress(0);
int planProgress = 0;
foreach (var step in plan.Steps)
{
var stepExecution = serviceProvider.Get <IStepExecution>(s => s.Type == step.StepType);
if (stepExecution != null)
{
var stepEvents = new StepExecutionEvents();
stepEvents.ProgressUpdated += (o, e) => events.OnProgress(planProgress + e.Progress / plan.Steps.Count());
stepEvents.StatusTextUpdated += (o, e) => events.OnStatusText(e.StatusText);
stepExecution.Execute(step, placeholders, stepEvents);
stepsFinished++;
planProgress = stepsFinished * 100 / plan.Steps.Count();
events.OnProgress(planProgress);
}
else
{
events.OnHasErrors(true, $"Unknown execution step '{step.StepType}'");
break;
}
}
}
catch (Exception ex)
{
events.OnHasErrors(true, ex.Message);
}
finally
{
events.OnIsRunning(false);
events.OnStatusText("Finished successfully");
}
});
}
public PlanIsRunningUpdatedEventArgs(BackupPlan backupPlan, bool isRunning)
{
BackupPlan = backupPlan;
IsRunning = isRunning;
}
public PlanHasErrorsUpdatedEventArgs(BackupPlan backupPlan, bool hasErrors, string statusText = "")
{
BackupPlan = backupPlan;
HasErrors = hasErrors;
StatusText = statusText;
}
public PlanProgressUpdatedEventArgs(BackupPlan backupPlan, int progress)
{
BackupPlan = backupPlan;
Progress = progress;
}
public PlanCanExecuteUpdatedEventArgs(BackupPlan backupPlan, bool canExecute)
{
BackupPlan = backupPlan;
CanExecute = canExecute;
}
public PlanStatusTextUpdatedEventArgs(BackupPlan backupPlan, string statusText)
{
BackupPlan = backupPlan;
StatusText = statusText;
}
public PlanExecutionEvents(BackupPlan backupPlan)
{
this.backupPlan = backupPlan;
}
public ManualPlanExecution(PlanExecutionHelper planExecutionHelper, BackupPlan backupPlan, PlanExecutionEvents events)
{
this.planExecutionHelper = planExecutionHelper;
this.backupPlan = backupPlan;
this.events = events;
}
public IPlanExecution Create(BackupPlan plan, PlanExecutionEvents events) => new ManualPlanExecution(planExecutionHelper, plan, events);
