public static void Main(string[] args)
{
for (int i = 0; i < args.Length; i++)
{
args[i] = args[i].ToLower();
}
// TODO: use some library to parse arguments
string filterCriteria;
if (args.Length == 2 && args[1].Contains("name="))
{
string nameFilter = args[1].Replace("name=", "").ToLower();
// 'Name like lei sortby Name'
filterCriteria = $"Name like {nameFilter} sortby Name";
}
else if (args.Length == 2 && args[1].Contains("type="))
{
string typeFilter = args[1].Replace("type=", "").ToLower();
// 'Type like kinder sortby LastUpdate desc'
filterCriteria = $"Type like {typeFilter} sortby LastUpdate desc";
}
else if (args.Length == 3 && (args[1].Contains("type=") || args[1].Contains("gender=")) && (args[2].Contains("type=") || args[2].Contains("gender=")))
{
string typeFilter = args[1].Contains("type=") ? args[1].Replace("type=", "").ToLower() : args[2].Replace("type=", "").ToLower();
string genderFilter = args[1].Contains("gender=") ? args[1].Replace("gender=", "").ToLower() : args[2].Replace("gender=", "").ToLower();
genderFilter = genderFilter.Length >= 2 ? genderFilter.Remove(1) : genderFilter;
// 'Type like kinder and Gender like f sortby LastUpdate desc'
filterCriteria = $"Type like {typeFilter} and Gender like {genderFilter} sortby LastUpdate desc";
}
else
{
Console.WriteLine("Invalid number of arguments or they has been in the wrong format");
Console.WriteLine("Valid invokation should be like:");
Console.WriteLine("Ex: StudentSolution.exe input.csv name=leia");
Console.WriteLine("Ex: StudentSolution.exe input.csv type=kinder");
Console.WriteLine("Ex: StudentSolution.exe input.csv type=elementary gender=female");
Console.WriteLine("");
return;
}
string fileName = args[0];
StudentClient studentClient = new StudentClient();
List <Student> students = LoadStudents(studentClient, fileName);
studentClient.SetupStudents(students);
var filteredStudents = studentClient.Filter(filterCriteria);
Console.WriteLine("");
filteredStudents.ForEach(s => Console.WriteLine(s));
Console.ReadKey();
}
private static List <Student> LoadStudents(StudentClient studentClient, string inputFile)
{
List <Student> students = new List <Student>();
StreamReader file = new StreamReader(inputFile);
string line;
while ((line = file.ReadLine()) != null)
{
Student st = Student.CreateFromString(line);
if (st != null)
{
students.Add(st);
}
}
return(students);
}
