public async Task <IActionResult> OnGetAsync(string selected)
{
Selected = selected;
var indices = selected.Split(',', StringSplitOptions.RemoveEmptyEntries).Select(int.Parse).ToList();
if (selected.Length < 2)
{
return(NotFound());
}
var institutionalId = Context.Users.Single(u => u.Email.Equals(User.Identity.Name)).InstitutionId;
var assignments = (await Context.GetAssignmentsAsync()).Where(a => a.InstitutionId.Equals(institutionalId)).ToList();
foreach (var index in indices)
{
if (index >= 0 && index < assignments.Count)
{
Assignments.Add(assignments[index]);
}
}
if (assignments.Count < 2)
{
return(NotFound());
}
Instructors = Assignments.First().Instructors.ToList().Select(a => a.Instructor.Id).ToList();
Chart = GetChart();
return(Page());
}
public GroupBarChart GetChart()
{
var chart = new GroupBarChart()
{
Id = "overall",
Minimum = 0,
Maximum = 100,
Colors = new List <string>()
{
RandomColor(),
RandomColor(),
RandomColor(),
RandomColor(),
},
Groups = Assignments.Select(x => $"{x.Name} {x.Course.CourseName}").ToList(),
SubGroups = new List <string>()
{
"Line",
"Branch",
"Conditional",
"Redundancies",
},
Values = Assignments.Select(GetAssignmentAverages).ToList()
};
return(chart);
}