/// <summary>
/// Installs.
/// </summary>
public async Task <ActionResult <InstallProgressResultModel> > PostPerformInstall(InstallInstructions installModel)
{
if (installModel == null)
{
throw new ArgumentNullException(nameof(installModel));
}
var status = InstallStatusTracker.GetStatus().ToArray();
//there won't be any statuses returned if the app pool has restarted so we need to re-read from file.
if (status.Any() == false)
{
status = _installStatusTracker.InitializeFromFile(installModel.InstallId).ToArray();
}
//create a new queue of the non-finished ones
var queue = new Queue <InstallTrackingItem>(status.Where(x => x.IsComplete == false));
while (queue.Count > 0)
{
var item = queue.Dequeue();
var step = _installSteps.GetAllSteps().Single(x => x.Name == item.Name);
// if this step has any instructions then extract them
var instruction = GetInstruction(installModel, item, step);
// if this step doesn't require execution then continue to the next one, this is just a fail-safe check.
if (StepRequiresExecution(step, instruction) == false)
{
// set this as complete and continue
_installStatusTracker.SetComplete(installModel.InstallId, item.Name);
continue;
}
try
{
var setupData = await ExecuteStepAsync(step, instruction);
// update the status
_installStatusTracker.SetComplete(installModel.InstallId, step.Name, setupData?.SavedStepData);
// determine's the next step in the queue and dequeue's any items that don't need to execute
var nextStep = IterateSteps(step, queue, installModel.InstallId, installModel);
// check if there's a custom view to return for this step
if (setupData != null && setupData.View.IsNullOrWhiteSpace() == false)
{
return(new InstallProgressResultModel(false, step.Name, nextStep, setupData.View,
setupData.ViewModel));
}
return(new InstallProgressResultModel(false, step.Name, nextStep));
}
catch (Exception ex)
{
_logger.LogError(ex, "An error occurred during installation step {Step}",
step.Name);
if (ex is TargetInvocationException && ex.InnerException != null)
{
ex = ex.InnerException;
}
var installException = ex as InstallException;
if (installException != null)
{
return(new ValidationErrorResult(new
{
view = installException.View,
model = installException.ViewModel,
message = installException.Message
}));
}
return(new ValidationErrorResult(new
{
step = step.Name,
view = "error",
message = ex.Message
}));
}
}
_installStatusTracker.Reset();
return(new InstallProgressResultModel(true, "", ""));
}
/// <summary>
/// Does the install
/// </summary>
/// <returns></returns>
public InstallProgressResultModel PostPerformInstall(InstallInstructions installModel)
{
if (installModel == null)
{
throw new ArgumentNullException("installModel");
}
var status = InstallStatusTracker.GetStatus().ToArray();
//there won't be any statuses returned if the app pool has restarted so we need to re-read from file.
if (status.Any() == false)
{
status = InstallStatusTracker.InitializeFromFile(installModel.InstallId).ToArray();
}
//create a new queue of the non-finished ones
var queue = new Queue <InstallTrackingItem>(status.Where(x => x.IsComplete == false));
while (queue.Count > 0)
{
var stepStatus = queue.Dequeue();
var step = InstallHelper.GetAllSteps().Single(x => x.Name == stepStatus.Name);
JToken instruction = null;
//If this step has any instructions then extract them
if (installModel.Instructions.Any(x => x.Key == step.Name))
{
instruction = installModel.Instructions[step.Name];
}
//If this step doesn't require execution then continue to the next one, this is just a fail-safe check.
if (StepRequiresExecution(step, instruction) == false)
{
//set this as complete and continue
InstallStatusTracker.SetComplete(installModel.InstallId, stepStatus.Name, null);
continue;
}
try
{
var setupData = ExecuteStep(step, instruction);
//update the status
InstallStatusTracker.SetComplete(installModel.InstallId, step.Name, setupData != null ? setupData.SavedStepData : null);
//Determine's the next step in the queue and dequeue's any items that don't need to execute
var nextStep = IterateNextRequiredStep(step, queue, installModel.InstallId, installModel);
//check if there's a custom view to return for this step
if (setupData != null && setupData.View.IsNullOrWhiteSpace() == false)
{
return(new InstallProgressResultModel(false, step.Name, nextStep, setupData.View, setupData.ViewModel));
}
return(new InstallProgressResultModel(false, step.Name, nextStep));
}
catch (Exception ex)
{
LogHelper.Error <InstallApiController>("An error occurred during installation step " + step.Name, ex);
if (ex is TargetInvocationException && ex.InnerException != null)
{
ex = ex.InnerException;
}
var installException = ex as InstallException;
if (installException != null)
{
throw new HttpResponseException(Request.CreateValidationErrorResponse(new
{
view = installException.View,
model = installException.ViewModel,
message = installException.Message
}));
}
throw new HttpResponseException(Request.CreateValidationErrorResponse(new
{
step = step.Name,
view = "error",
message = ex.Message
}));
}
}
InstallStatusTracker.Reset();
return(new InstallProgressResultModel(true, "", ""));
}
