public async Task <FilteredProjectList> ListProjects(
ProjectFilter filter,
int?maxResults,
CancellationToken cancellationToken)
{
using (ApplicationTraceSources.Default.TraceMethod().WithParameters(filter))
{
var request = new ProjectsResource.ListRequest(this.service)
{
Filter = filter?.ToString(),
PageSize = maxResults
};
IList <Project> projects;
bool truncated;
if (maxResults.HasValue)
{
// Read single page.
var response = await request
.ExecuteAsync(cancellationToken)
.ConfigureAwait(false);
truncated = response.NextPageToken != null;
projects = response.Projects;
}
else
{
// Read all pages.
truncated = false;
projects = await new PageStreamer <
Project,
ProjectsResource.ListRequest,
ListProjectsResponse,
string>(
(req, token) => req.PageToken = token,
response => response.NextPageToken,
response => response.Projects)
.FetchAllAsync(request, cancellationToken)
.ConfigureAwait(false);
}
// Filter projects in deleted/pending delete state.
var activeProjects = projects
.EnsureNotNull()
.Where(p => p.LifecycleState == "ACTIVE");
ApplicationTraceSources.Default.TraceVerbose(
"Found {0} projects", activeProjects.Count());
return(new FilteredProjectList(activeProjects, truncated));
}
}
/// <summary>
/// Returns the complete list of projects for the current credentials.
/// It always return empty list if no item is found, caller can safely assume there is no null return.
/// </summary>
public Task <IList <Project> > GetProjectsListAsync()
{
return(LoadPagedListAsync(
(token) =>
{
if (string.IsNullOrEmpty(token))
{
Debug.WriteLine("Fetching first page.");
return Service.Projects.List().ExecuteAsync();
}
else
{
Debug.WriteLine($"Fetching page: {token}");
ProjectsResource.ListRequest request = Service.Projects.List();
request.PageToken = token;
return request.ExecuteAsync();
}
},
x => x.Projects,
x => x.NextPageToken));
}