public async Task<ClientMessage<bool>> DeleteAsync(string infrastructureName)
{
#region local parameters
ClientMessage<bool> clientMessage = new ClientMessage<bool>();
var infrastructure = await _context.Infrastructures.Include(t => t.CloudProvider)
.Where(t => t.Name == infrastructureName && t.DeletedDate == null)
.FirstOrDefaultAsync();
#endregion local parameters
#region validate infrastructure name
if (infrastructure == null)
{
clientMessage.ClientStatusCode = AppEnums.OperationStatus.Error;
clientMessage.ReturnedData = false;
clientMessage.ClientMessageContent = new List<string> { "Error: infrastructure is not exist" };
return clientMessage;
}
#endregion validate infrastructure name
#region delete infrastructure on cloud service provider
var serviceManager = new ServiceManager.ServiceManager();
var igsProvider = new IGSCloudServices();
serviceManager.DeleteInfrastructure += igsProvider.OnDeleteService;
var deleted = serviceManager.Delete(infrastructure);
if (!deleted)
{
clientMessage.ClientStatusCode = AppEnums.OperationStatus.Error;
clientMessage.ClientMessageContent = new List<string> { "Error : an error occured while deleting infrastructure on provider" };
return clientMessage;
}
#endregion region delete infrastructure on cloud service provider
#region Mark infrastructure as deleted in database
infrastructure.DeletedDate = DateTime.Now;
infrastructure.DeletedById = -1; // -1 = system
_context.SaveChanges();
clientMessage.ClientStatusCode = AppEnums.OperationStatus.Ok;
clientMessage.ReturnedData = true;
return clientMessage;
#endregion Mark infrastructure as deleted in database
}
public async Task<ClientMessage<int>> CreateAsync(InfrastructureUpsertDto postDto)
{
#region local parameters
ClientMessage<int> clientMessage = new ClientMessage<int>();
var dtoValidator = new InfrastructureUpsertValidator();
#endregion local parameters
#region validate payload
var validationResult = dtoValidator.Validate(postDto);
if (validationResult != null && validationResult.IsValid == false)
{
clientMessage.ClientStatusCode = AppEnums.OperationStatus.ValidationError;
clientMessage.ValidationResults = validationResult.Errors.Select(modelError => new System.ComponentModel.DataAnnotations.ValidationResult(errorMessage: modelError.ErrorMessage)).ToList();
return clientMessage;
}
#endregion validate payload
#region Infrastructure already exists
var alreadyExists = await _context.Infrastructures.Where(t => t.Name == postDto.Name && t.DeletedDate == null)
.FirstOrDefaultAsync();
if (alreadyExists != null)
{
clientMessage.ClientStatusCode = AppEnums.OperationStatus.ValidationError;
clientMessage.ClientMessageContent = new List<string> { "Error : Infrastructure already exists" };
return clientMessage;
}
#endregion Infrastructure already exists
#region create infrastructure on cloud service provider
var serviceManager = new ServiceManager.ServiceManager();
var igsProvider = new IGSCloudServices();
//now we need to notify cloud provider to make them create the infrastructure ,there are 2 methods
//first method is to use reflection and query assembly and get all service providers then call create method like below
//var allCloudProvider = typeof(CloudServices).Assembly.ExportedTypes.Where(t =>
// typeof(CloudServices).IsAssignableFrom(t) && !t.IsInterface && !t.IsAbstract)
// .Select(Activator.CreateInstance).Cast<CloudServices>().ToList();
//allCloudProvider.ForEach(t=>t.OnCreateService(/*method parameters goes here */));
//second method is to fire event and make all provider subscribe to that event like below
// all providers must subscribe
serviceManager.CreateInfrastructure += igsProvider.OnCreateService;
var created = serviceManager.Create(postDto);
if (!created)
{
clientMessage.ClientStatusCode = AppEnums.OperationStatus.Error;
clientMessage.ClientMessageContent = new List<string> { "Error : an error occured while creating infrastructure on provider, or you used unsupported provider" };
return clientMessage;
}
#endregion region create infrastructure on cloud service provider
#region Add to database
var infrastructure = _mapper.Map<Infrastructure>(postDto);
await _context.Infrastructures.AddAsync(infrastructure);
var effectedRows = _context.SaveChanges();
if (effectedRows == 0)
{
clientMessage.ClientStatusCode = AppEnums.OperationStatus.Error;
clientMessage.ClientMessageContent = new List<string> { "Error : an error occured while saving infrastructure details to database" };
return clientMessage;
}
clientMessage.ClientStatusCode = AppEnums.OperationStatus.Ok;
clientMessage.ReturnedData = infrastructure.Id;
return clientMessage;
#endregion Add to database
}
