public async Task UpdateTasksAsync()
{
// Get a group plan.
var plans = await _graphService.GetGroupPlansAsync(Group);
var plan = plans.FirstOrDefault();
// If a group plan doesn't exist, create it.
if (plan == null)
{
plan = await _graphService.AddGroupPlanAsync(Group,
new PlanModel
{
Title = Group.DisplayName,
Owner = Group.Id
});
}
// Get the task bucket.
var buckets = await _graphService.GetPlanBucketsAsync(plan);
var taskBucket = buckets.FirstOrDefault(b => b.Name.Equals(Constants.TaskBucketName));
// If the task bucket doesn't exist, create it.
if (taskBucket == null)
{
taskBucket = await _graphService.AddBucketAsync(new BucketModel
{
Name = Constants.TaskBucketName,
PlanId = plan.Id
});
}
// Get the tasks and add the ones that aren't completed.
var tasks = await _graphService.GetBucketTasksAsync(taskBucket);
Tasks.AddRange(tasks.Where(t => t.PercentComplete < 100));
OnTasksChanged();
// Store values.
_groupPlan = plan;
_taskBucket = taskBucket;
}