/// <summary>
/// Starts the migration process from webforms project to a blazor server project.
/// </summary>
/// <param name="webFormsProject">Source project to read data from.</param>
/// <param name="blazorServerProject">Target server blazor project to inject into.</param>
/// <param name="steps">The migration steps that are to be run.</param>
public async Task StartMigration(VsProject webFormsProject, VsProject blazorServerProject, MigrationSteps steps)
{
try
{
//bounds checking that migration steps were provided.
if (steps == null)
{
await _statusTracking.UpdateStepStatusAsync(MigrationStepEnum.MigrationProcess,
MigrationStatusEnum.Failed);
await _statusTracking.UpdateCurrentStatusAsync(MigrationStepEnum.MigrationProcess,
MessageTypeEnum.Error,
"Could not determine which migration steps are to be perform migration aborted.");
await _statusTracking.UpdateMigrationFinishedAsync();
return;
}
//Bounds checking that the web forms project was provided.
if (webFormsProject == null)
{
await _statusTracking.UpdateStepStatusAsync(MigrationStepEnum.MigrationProcess,
MigrationStatusEnum.Failed);
await _statusTracking.UpdateCurrentStatusAsync(MigrationStepEnum.MigrationProcess,
MessageTypeEnum.Error,
"Internal error occured, no web forms project was provided the migration was aborted.");
await _statusTracking.UpdateMigrationFinishedAsync();
return;
}
//Bounds checking if the blazor server project was provided.
if (blazorServerProject == null)
{
await _statusTracking.UpdateStepStatusAsync(MigrationStepEnum.MigrationProcess,
MigrationStatusEnum.Failed);
await _statusTracking.UpdateCurrentStatusAsync(MigrationStepEnum.MigrationProcess,
MessageTypeEnum.Error,
"Internal error occured, no blazor server project was provided the migration was aborted.");
await _statusTracking.UpdateMigrationFinishedAsync();
return;
}
//Starting the migration process by caching the web forms project data
await _statusTracking.UpdateStepStatusAsync(MigrationStepEnum.MigrationProcess,
MigrationStatusEnum.Running);
await _statusTracking.UpdateCurrentStatusAsync(MigrationStepEnum.MigrationProcess,
MessageTypeEnum.Information, "Please wait loading the data from the web forms project...");
//Loading the visual studio models from the webFormsProject.
//This is a resource intensive task we only need to do this once since we are never updating the web forms project.
//We will cache this data and pass it on to all parts of the migration process
//var filePath = new DirectoryInfo(webFormsProject.Path).FullName;
var webFormProjectData = await webFormsProject.LoadAllProjectData(false);
//Confirming the web forms data has been cached
if (webFormProjectData.Any())
{
await _statusTracking.UpdateStepStatusAsync(MigrationStepEnum.MigrationProcess,
MigrationStatusEnum.Passed);
await _statusTracking.UpdateCurrentStatusAsync(MigrationStepEnum.MigrationProcess,
MessageTypeEnum.Information, "Web forms data has been cached, migration beginning.");
}
else
{
await _statusTracking.UpdateStepStatusAsync(MigrationStepEnum.MigrationProcess,
MigrationStatusEnum.Failed);
await _statusTracking.UpdateCurrentStatusAsync(MigrationStepEnum.MigrationProcess,
MessageTypeEnum.Error,
"Failed to load the web forms project data, cannot continue the migration process.");
await _statusTracking.UpdateMigrationFinishedAsync();
return;
}
//Running the migration steps in sequential order
if (steps.Startup)
{
await MigrateStartupAsync(webFormProjectData, webFormsProject, blazorServerProject);
}
if (steps.HttpModules)
{
await MigrateHttpModulesAsync(webFormProjectData, webFormsProject, blazorServerProject);
}
if (steps.StaticFiles)
{
await MigrateStaticFiles(webFormProjectData, webFormsProject, blazorServerProject);
}
if (steps.Bundling)
{
await MigrateBundling(webFormProjectData, webFormsProject, blazorServerProject);
}
if (steps.AspxPages)
{
await MigrateAspxFiles(webFormProjectData, webFormsProject, blazorServerProject);
}
if (steps.Configuration)
{
await MigrateConfig(webFormProjectData, webFormsProject, blazorServerProject);
}
if (steps.AppLogic)
{
await MigrateLogic(webFormProjectData, webFormsProject, blazorServerProject);
}
}
catch (Exception unhandledError)
{
//Updating the dialog with the unhandled error that occured.
await _statusTracking.UpdateCurrentStatusAsync(MigrationStepEnum.MigrationProcess, MessageTypeEnum.Error,
$"The migration process had an unhandled error, the migration process is aborting. The following error occured. '{unhandledError.Message}'");
}
finally
{
//Informing the hosting dialog the migration has finished.
await _statusTracking.UpdateMigrationFinishedAsync();
}
}
