/// <summary>
/// GetDiscovererListAsync
/// </summary>
/// <param name="previousPage"></param>
/// <returns>DiscovererInfo</returns>
public async Task <PagedResult <DiscovererInfo> > GetDiscovererListAsync(PagedResult <DiscovererInfo> previousPage = null)
{
var pageResult = new PagedResult <DiscovererInfo>();
try {
var discovererModel = new DiscovererQueryApiModel();
var applicationModel = new ApplicationRegistrationQueryApiModel();
var discoverers = new DiscovererListApiModel();
if (string.IsNullOrEmpty(previousPage?.ContinuationToken))
{
discoverers = await _registryService.QueryDiscoverersAsync(discovererModel, _commonHelper.PageLengthSmall);
if (!string.IsNullOrEmpty(discoverers.ContinuationToken))
{
pageResult.PageCount = 2;
}
}
else
{
discoverers = await _registryService.ListDiscoverersAsync(previousPage.ContinuationToken, _commonHelper.PageLengthSmall);
if (string.IsNullOrEmpty(discoverers.ContinuationToken))
{
pageResult.PageCount = previousPage.PageCount;
}
else
{
pageResult.PageCount = previousPage.PageCount + 1;
}
}
if (discoverers != null && discoverers.Items.Any())
{
foreach (var disc in discoverers.Items)
{
var discoverer = await _registryService.GetDiscovererAsync(disc.Id);
var info = new DiscovererInfo {
DiscovererModel = discoverer,
HasApplication = false,
ScanStatus = (discoverer.Discovery == DiscoveryMode.Off) || (discoverer.Discovery == null) ? false : true
};
applicationModel.DiscovererId = discoverer.Id;
var applications = await _registryService.QueryApplicationsAsync(applicationModel, 1);
if (applications != null)
{
info.HasApplication = true;
}
pageResult.Results.Add(info);
}
if (previousPage != null)
{
previousPage.Results.AddRange(pageResult.Results);
pageResult.Results = previousPage.Results;
}
pageResult.ContinuationToken = discoverers.ContinuationToken;
pageResult.PageSize = _commonHelper.PageLengthSmall;
pageResult.RowCount = pageResult.Results.Count;
}
else
{
pageResult.Error = "No Discoveres Found";
}
}
catch (UnauthorizedAccessException) {
pageResult.Error = "Unauthorized access: Bad User Access Denied.";
}
catch (Exception e) {
_logger.Warning(e, "Can not get discoverers as list");
pageResult.Error = e.Message;
}
return(pageResult);
}
/// <summary>
/// GetDiscovererListAsync
/// </summary>
/// <param name="previousPage"></param>
/// <returns>DiscovererInfo</returns>
public async Task <PagedResult <DiscovererInfo> > GetDiscovererListAsync(PagedResult <DiscovererInfo> previousPage = null, bool getNextPage = false)
{
var pageResult = new PagedResult <DiscovererInfo>();
try {
var discovererModel = new DiscovererQueryApiModel();
var applicationModel = new ApplicationRegistrationQueryApiModel();
var discoverers = new DiscovererListApiModel();
if (!getNextPage || string.IsNullOrEmpty(previousPage?.ContinuationToken))
{
discoverers = await _registryService.QueryDiscoverersAsync(discovererModel, _commonHelper.PageLengthSmall);
}
else
{
discoverers = await _registryService.ListDiscoverersAsync(previousPage.ContinuationToken, _commonHelper.PageLengthSmall);
}
if (discoverers != null)
{
if (discoverers.Items != null && discoverers.Items.Any())
{
foreach (var disc in discoverers.Items)
{
var discoverer = await _registryService.GetDiscovererAsync(disc.Id);
var info = new DiscovererInfo {
DiscovererModel = discoverer,
HasApplication = false,
ScanStatus = (discoverer.Discovery == DiscoveryMode.Off) || (discoverer.Discovery == null) ? false : true
};
applicationModel.DiscovererId = discoverer.Id;
var applications = await _registryService.QueryApplicationsAsync(applicationModel, 1);
if (applications != null)
{
info.HasApplication = true;
}
pageResult.Results.Add(info);
}
}
}
if (previousPage != null && getNextPage)
{
previousPage.Results.AddRange(pageResult.Results);
pageResult.Results = previousPage.Results;
}
pageResult.ContinuationToken = discoverers.ContinuationToken;
}
catch (UnauthorizedAccessException) {
pageResult.Error = "Unauthorized access: Bad User Access Denied.";
}
catch (ResourceInvalidStateException) {
pageResult.Error = "IotHubQuotaExceeded. Send and Receive operations are blocked for this hub until the next UTC day.";
}
catch (Exception e) {
var message = "Cannot get discoverers as list";
_logger.Warning(e, message);
pageResult.Error = message;
}
return(pageResult);
}
