private MessageParser ParseGroup(string line, ref Group group)
{
var message = new MessageParser(true);
foreach (var subject in ConfigurationModel.Subjects)
{
if (!line.Contains(subject))
{
message.Success = false;
message.AddParseError($"Line missing subject:{subject}");
}
}
var lineParts = line.Split(ConfigurationModel.PartingChar);
if (lineParts.Length != ConfigurationModel.Subjects.Count() + 1)
{
message.Success = false;
message.AddParseError($"Line has wrong number of items. Expected:{ConfigurationModel.Subjects.Count() + 1} Current:{lineParts.Length}");
return(message);
}
if (message.Success)
{
ParseLine(ref group, ref message, lineParts);
}
if (!message.Success)
{
message.AddErrorData(line);
}
return(message);
}
private void ParseLine(ref Group group, ref MessageParser message, string[] lineParts)
{
var student = new Student();
student.StudentFullName = lineParts[0];
for (int i = 1; i < lineParts.Length; i++)
{
var subjectParts = lineParts[i].Trim().Split(ConfigurationModel.SubjectPartingChar);
if (!ConfigurationModel.Subjects.Contains(subjectParts[0].Trim()))
{
message.Success = false;
message.AddParseError($"Subject:{subjectParts[0].Trim()} is not in {string.Join(",", ConfigurationModel.Subjects)}");
}
if (subjectParts.Length != 2)
{
message.Success = false;
message.AddParseError($"Parsing subject and rating unsucsessfull. Expected character between:{ConfigurationModel.SubjectPartingChar}");
}
int.TryParse(subjectParts[1], out int rating);
if (rating < Constants.Constants.RATING_MIN || rating > Constants.Constants.RATING_MAX)
{
message.Success = false;
message.AddParseError($"The rating value must be between {Constants.Constants.RATING_MIN} and {Constants.Constants.RATING_MAX}");
}
try
{
if (student.Subjects == null)
{
student.Subjects = new List <Subject>();
}
student.Subjects.Add(new Subject {
Name = subjectParts[0], Rating = rating
});
}
catch { }
if (message.Success)
{
group.AddStudent(student);
}
}
}