public static void AvgStudentMarks(AverageStudentMarks[] avgStudentMarks, DataRecord[] dataRecords)
{
int k = 0;
foreach (var record in dataRecords)
{
avgStudentMarks[k] = new AverageStudentMarks();
avgStudentMarks[k].Surname = record.Surname;
avgStudentMarks[k].Name = record.Name;
avgStudentMarks[k].Patronymic = record.Patronymic;
k++;
}
foreach (var student in avgStudentMarks)
{
double mark = 0;
foreach (DataRecord record in dataRecords)
{
if (record.Name == student.Name && record.Surname == student.Surname && record.Patronymic == student.Patronymic)
{
mark = (record.Python + record.Java + record.Javascript + record.Php);
}
}
student.AverageMark = mark / 4;
}
}
static void Main(string[] args)
{
string file = FindFile.Find(args[0]);
if (file == "")
{
return;
}
using (var sr = new StreamReader(file))
{
var reader = new CsvReader(sr);
reader.Configuration.Delimiter = ",";
//CSVReader will now read the whole file into an enumerable
IEnumerable <DataRecord> records = reader.GetRecords <DataRecord>();
var dataRecords = records as DataRecord[] ?? records.ToArray();
var avgStudentMarks = new AverageStudentMarks[dataRecords.Length];
CalculatingAvgMarks.AvgStudentMarks(avgStudentMarks, dataRecords);
var avgSubjectMarks = new AverageSubjectMarks[4];
CalculatingAvgMarks.AvgSubjectMarks(avgSubjectMarks, dataRecords);
double averageGroupMark = CalculatingAvgMarks.AvgGroupMark(dataRecords);
switch (args[1])
{
case "saveJson":
Json json = new Json();
json.Save(avgStudentMarks, avgSubjectMarks, averageGroupMark, args[2]);
break;
case "saveXlsx":
Excel excel = new Excel();
excel.Save(avgStudentMarks, avgSubjectMarks, averageGroupMark, args[2]);
break;
case "outInputFile":
foreach (DataRecord record in dataRecords)
{
Console.WriteLine("{0} {1} {2}, {3}, {4}, {5}, {6}", record.Surname, record.Name, record.Patronymic, record.Python, record.Java, record.Javascript, record.Php);
}
break;
case "avgStudent":
Console.WriteLine("\nСтудент|Средний балл");
foreach (var studentMark in avgStudentMarks)
{
Console.WriteLine(studentMark.Surname + " " + studentMark.Name + " " + studentMark.Patronymic + "|" + studentMark.AverageMark);
}
break;
case "avgSubject":
Console.WriteLine("\nПредмет|Средний балл");
foreach (var subjectMark in avgSubjectMarks)
{
Console.WriteLine(subjectMark.SubjectName + "|" + subjectMark.AverageMark);
}
break;
case "avgGroup":
Console.WriteLine("\nСредний балл по группе: " + averageGroupMark);
break;
default:
Console.WriteLine("Нет такой команды.");
break;
}
}
}
