public async Task <ExitCode> CourseProgress(string courseId)
{
var course = await _coursesApi.Course(courseId);
var courseUnits = course.Units
.Where(u => !u.IsSection)
.ToList();
var courseLearners = course.Users
.Where(u => u.IsLearner)
.ToList();
Empty <IEnumerable <string> >()
.Concat(new[] { "name" }.Concat(Enumerable.Select(courseUnits, u => u.Name)))
.Concat(GetProgressByUser())
.Transpose()
.Then(progress =>
{
_output.Write(
header: progress.First(),
rows: progress.Skip(1));
});
return(ExitCode.Success);
IEnumerable <IEnumerable <string> > GetProgressByUser()
{
return(courseLearners
.Select(LearnerStatus)
.Select(_ => _.Result));
}
async Task <IEnumerable <string> > LearnerStatus(Course.User learner)
{
var status = await _coursesApi.UserStatus(learner.Id, course.Id);
return(new[] { learner.Name }
.Concat(courseUnits.Select(u => StatusForUnit(u, status))));
}
