public async Task <IActionResult> GetEndpointByIdAsync(Guid endpointId, CancellationToken ct)
{
var endpoint = await _endpointService.GetEndpointByIdAsync(endpointId, ct);
if (endpoint == null || endpoint.Owner.IdentityId != _userInfoService.UserId)
{
return(NotFound());
}
var endpointViewModel = Mapper.Map <EndpointViewModel>(endpoint);
if (!Request.GetEtagHandler().NoneMatch(endpointViewModel))
{
return(StatusCode(304, endpointViewModel));
}
return(Ok(endpointViewModel));
}
public async Task <IActionResult> CreateLinkAsync([FromBody] NewEndpointLinkForm newLink,
CancellationToken ct)
{
if (!ModelState.IsValid)
{
return(BadRequest(new ApiError(ModelState)));
}
var sourceId = Guid.Parse(newLink.Source);
var destinationId = Guid.Parse(newLink.Destination);
if (sourceId == destinationId)
{
return(BadRequest(new ApiError("A device cannot create a link to itself.")));
}
var endpointLink = await _linkService.GetLinkByEndpointsIdAsync(sourceId, destinationId, ct);
if (endpointLink != null)
{
return(BadRequest(new ApiError("Link to specified device already exists.")));
}
var sourceEndpoint = await _endpointService.GetEndpointByIdAsync(sourceId, ct);
if (sourceEndpoint == null)
{
return(BadRequest(new ApiError("Requesting device is invalid.")));
}
if (sourceEndpoint.Owner.IdentityId != _userInfoService.UserId)
{
return(BadRequest(new ApiError("Cannot create a link from a device not created by current user.")));
}
var destinationEndpoint = await _endpointService.GetEndpointByIdAsync(destinationId, ct);
if (destinationEndpoint == null)
{
return(BadRequest(new ApiError("Target device is invalid.")));
}
endpointLink = await _linkService.CreateLinkAsync(sourceEndpoint, destinationEndpoint, ct);
if (endpointLink == null)
{
return(StatusCode(500, new ApiError("Failed to create a link.")));
}
if (endpointLink.AssociatedEndpoint.HubConnection.Connected)
{
await _hubContext.Clients.Client(endpointLink.AssociatedEndpoint.HubConnection.ConnectionId)
.LinkRequestReceived(endpointLink.LinkId.ToString(),
endpointLink.SourceEndpoint.Name,
endpointLink.SourceEndpoint.Owner.OwnerName);
}
var newLinkUrl = Url.Link(nameof(EndpointLinksController.CreateLinkAsync), null);
newLinkUrl = newLinkUrl + "/" + endpointLink.LinkId;
return(Created(newLinkUrl, null));
}
