public async Task <IActionResult> ScanSystem()
{
var studentClassGrades = await _schoolService.GetStudentClassGradesAysnc();
var teachers = await _schoolService.GetTeachersAsync();
var parents = await _schoolService.GetParentsAsync();
var problemStudents = new List <Student>();
var parentsWithProblemStudents = new List <Parent>();
var teachersWithProblemStudents = new List <Teacher>();
foreach (var studentClassGrade in studentClassGrades)
{
if (studentClassGrade.Grade <= 50)
{
problemStudents.Add(studentClassGrade.Student);
if (!teachersWithProblemStudents.Exists(t => t.ClassId == studentClassGrade.ClassId))
{
teachersWithProblemStudents.Add(teachers.Find(t => t.ClassId == studentClassGrade.ClassId));
}
if (!parentsWithProblemStudents.Exists(p => p.StudentId == studentClassGrade.StudentId))
{
parentsWithProblemStudents.Add(parents.Find(p => p.StudentId == studentClassGrade.StudentId));
}
}
else if (studentClassGrade.Grade <= 70)
{
if (studentClassGrade.Student.Profile.FavoriteSubject == studentClassGrade.Class.Subject)
{
problemStudents.Add(studentClassGrade.Student);
if (!teachersWithProblemStudents.Exists(t => t.ClassId == studentClassGrade.ClassId))
{
teachersWithProblemStudents.Add(teachers.Find(t => t.ClassId == studentClassGrade.ClassId));
}
if (!parentsWithProblemStudents.Exists(p => p.StudentId == studentClassGrade.StudentId))
{
parentsWithProblemStudents.Add(parents.Find(p => p.StudentId == studentClassGrade.StudentId));
}
}
}
}
var recipients = new List <IEmail>();
recipients.AddRange(parentsWithProblemStudents);
recipients.AddRange(teachersWithProblemStudents);
await _emailService.EmailAlertAsync(recipients);
return(View(nameof(Index)));
}