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using Microsoft.Azure.Management.Fluent;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core;
using Tango.Logging;
namespace Tango.AzureUtils
{
public abstract class AzureUtilsComponentBase : ExtendedObject
{
protected IAzure Azure { get; private set; }
public event EventHandler<AzureUtilsProgressEventArgs> Progress;
public event EventHandler<AzureUtilsConfirmationEventArgs> ConfirmationRequired;
public AzureUtilsComponentBase(IAzure azure)
{
Azure = azure;
}
protected virtual void OnProgress(AzureUtilsStage stage, String message = null, double progress = 0, double maximum = 100, bool indeterminate = true)
{
LogManager.Log($"{stage}: {message}");
Progress?.Invoke(this, new AzureUtilsProgressEventArgs()
{
Stage = stage,
Message = message,
Progress = progress,
Maximum = maximum,
IsIndeterminate = indeterminate,
});
}
protected virtual void OnCompleted(String message)
{
OnProgress(AzureUtilsStage.Ready, message, 0, 100, false);
}
protected virtual void OnProgress(AzureUtilsProgressEventArgs e)
{
Progress?.Invoke(this, e);
}
protected async Task<bool> RequestConfirmation(String message)
{
LogManager.Log($"Confirmation Required: {message}");
AzureUtilsConfirmationEventArgs e = new AzureUtilsConfirmationEventArgs(message);
if (ConfirmationRequired != null)
{
OnProgress(AzureUtilsStage.ConfirmationRequired, "Waiting for user confirmation...");
OnRequestConfirmation(e);
var result = await e.GetAwaiter();
if (!result)
{
throw new OperationCanceledException("Operation canceled.");
}
return result;
}
else
{
throw new OperationCanceledException($"Confirmation required no event handler found. ({message})");
}
}
protected void OnRequestConfirmation(AzureUtilsConfirmationEventArgs e)
{
ConfirmationRequired?.Invoke(this, e);
}
protected T CreateManager<T>() where T : AzureUtilsComponentBase
{
T manager = Activator.CreateInstance(typeof(T), new object[] { Azure }) as T;
manager.ConfirmationRequired += (x, e) => OnRequestConfirmation(e);
manager.Progress += (x, e) => OnProgress(e);
return manager;
}
}
}
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