Hello | C# Online Compiler

Hello by Anonymous

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

public class Program
{
	static List<Person> people = Database.GetPeople();
	public static void Main(string[] args)
	{
		bool running = true;
		Console.WriteLine("Program START");
		while (running)
		{
			Console.WriteLine("Select a command: list, add, edit, delete, listbyname, listbyid, listmen, listwomen, listbyscore, purgefailure, exit");
			string command = Console.ReadLine();
			/*if (command == "list")
                {
                    List();
                }
                if (command == "add")
                {
                    Add();
                }*/
			command = command.ToLower();
			switch (command)
			{
				case "list":
				case "listbyname":
				case "listbyid":
				case "listmen":
				case "listwomen":
				case "listbyscore":
				{
					List(command);
					break;
				}

				case "add":
				{
					Add();
					break;
				}

				case "edit":
				{
					Edit();
					break;
				}

				case "delete":
				{
					Delete();
					break;
				}

				case "purgefailure":
				{
					PurgeFailure();
					break;
				}

				case "exit":
				{
					running = false;
					break;
				}
			}
		/* TODO: Implement the following additional commands:
                   edit - edits an existing record
                   delete - deletes an existing record
                   listbyname - order by Name A-Z
                   listbyid - order by Id
                   listmen - list men only
                   listwomen - list women only
                   listbyscore - list by score highest to lowest
                   purgefailure - delete people whose score is lower than 70
				   
				   *advanced add function - make it such that the command below will add a new person quickly given the inputs*
				   add Name:Alvin Paul Malinis,Gender:Male,Score:99
                */
		/* TODO: There is Score information for each person (see below for more information) 
                Please display the score on every list */
		/*if (command == "exit")
                {
                    running = false;

                }*/
		}

		Console.WriteLine("Program END");
	}

	static void List(string comm)
	{
		/* TODO: Remove this hard-coded longest name length 
            and determine programatically how many characters is the 
            longest name of a person in people 
            in such a way that the list commands will pad whitespace to accomodate 
            */
		int namelength = 17;
		Console.WriteLine("=======PEOPLE=======");
		/* TODO: There is Score information for each person. 
               Please display the score on every list */
		/* TODO: String manipulation below is very inefficient
              Change the implementation to use StringBuilder instead */
		List<Person> peopleList;
		switch (comm)
		{
			case "listbyid":
			{
				peopleList = people.OrderBy(m => m.Id).ToList<Person>();
				break;
			}

			case "listbyname":
			{
				peopleList = people.OrderBy(m => m.Name).ToList<Person>();
				break;
			}

			case "listmen":
			{
				peopleList = people.Where(m => m.Gender == "Male").ToList<Person>();
				break;
			}

			case "listwomen":
			{
				peopleList = people.Where(m => m.Gender == "Female").ToList<Person>();
				break;
			}

			case "listbyscore":
			{
				peopleList = people.OrderBy(m => m.Score).ToList<Person>();
				break;
			}

			default:
			{
				peopleList = people;
				break;
			}
		}

		StringBuilder sb = new StringBuilder("");
		sb.Append("Id  ");
		sb.Append("Name".PadRight(namelength + 2));
		sb.Append("Gender".PadRight(8));
		sb.Append("Score\n");
		foreach (var person in peopleList)
		{
			sb.Append(person.Id.ToString().PadRight(4));
			sb.Append(person.Name.PadRight(namelength + 2));
			sb.Append(person.Gender.PadRight(8));
			sb.Append(person.Score.ToString());
			sb.Append("\n");
		}

		Console.Write(sb);
	}

	static void Add()
	{
		/* TODO: System must be robust enough to check for invalid inputs.
            For example, you should not allow empty fields.
            If invalid input detected, repeat the action of inputting the value.
            Also, if the name already exists in the database, display a message that 
            "Person already exists in the database",addadd then repeat the action of inputting the name.
            */
		/* TODO: User must avoid inputting the Id, instead this should be 
             automatically incremented and generated.
             */
		var peopleList = people.OrderByDescending(m => m.Id).ToList<Person>().First();
		int id = peopleList.Id + 1;
		Console.WriteLine("Input Id# " + id.ToString());
		bool proceedName = false;
		string name = "";
		while (proceedName == false)
		{
			Console.WriteLine("Input Name");
			name = Console.ReadLine();
			if (name.Trim().ToString() == "")
			{
				proceedName = false;
			}
			else
			{
				bool nameFound = false;
				foreach (var pers in people)
				{
					if (pers.Name.ToUpper() == name.ToUpper())
					{
						nameFound = true;
						Console.WriteLine("Name already in the data!");
						break;
					}
				}

				if (nameFound)
				{
					proceedName = false;
				}
				else
				{
					proceedName = true;
				}
			}
		}

		var male = new string[]
		{
		"male", "m"
		}

		;
		var female = new string[]
		{
		"female", "f"
		}

		;
		string gender = "";
		bool proceedGender = false;
		while (proceedGender == false)
		{
			Console.WriteLine("Input Gender");
			gender = Console.ReadLine();
			if (male.Contains(gender.ToLowerInvariant()))
			{
				gender = "Male";
				proceedGender = true;
			}
			else if (female.Contains(gender.ToLowerInvariant()))
			{
				gender = "Female";
				proceedGender = true;
			}
			else
			{
				Console.WriteLine("Invalid Input! Please choose from 'm', 'male', 'f', or 'female'");
			}
		}

		int score = 0;
		bool proceedScore = false;
		while (proceedScore == false)
		{
			Console.WriteLine("Input Score");
			string iptScore = Console.ReadLine();
			if (int.TryParse(iptScore, out score))
			{
				if (Convert.ToInt32(iptScore) <= 100 && Convert.ToInt32(iptScore) > 0)
				{
					score = Convert.ToInt32(iptScore);
					proceedScore = true;
				}
				else
				{
					Console.WriteLine("Please Enter a valid score! (0-100)");
				}
			}
			else
			{
				Console.WriteLine("Please Enter a valid score! (0-100)");
			}
		}

		Person person = new Person();
		person.Id = Convert.ToInt32(id);
		person.Name = name;
		person.Gender = gender;
		person.Score = Convert.ToInt32(score);
		people.Add(person);
	}

	static void Edit()
	{
	}

	static void Delete()
	{
		Console.WriteLine("Enter the Id of the record you want to Delete:");
		int id;
		string inputId = Console.ReadLine();
		if (int.TryParse(inputId, out id))
		{
			id = Convert.ToInt32(inputId);
			string name = "";
			bool idFound = false;
			foreach (var person in people)
			{
				if (id == person.Id)
				{
					name = person.Name;
					idFound = true;
					people.Remove(person);
					break;
				}
			}

			if (idFound)
			{
				Console.WriteLine(name + " has been removed from the list");
			}
		}
		else
		{
			Console.WriteLine("ID not found! No row was deleted!");
		}
	}

	static void PurgeFailure()
	{
	}
}

public class Database
{
	public static List<Person> GetPeople()
	{
		/* TODO: There is Score information for each person. 
           Please pre-define the following scores for
           each existing person:
           John Doe - 60
           Jane Doe - 90
           Juan Dela Cruz - 95
           Juanita Dela Cruz - 90
           Remember that the commands must also input scores as well (ex. add, edit, delete)
            */
		var result = new List<Person>();
		result.Add(new Person()
		{
		Id = 2, Name = "John Doe", Gender = "Male", Score = 60
		}

		);
		result.Add(new Person()
		{
		Id = 3, Name = "Jane Doe", Gender = "Female", Score = 90
		}

		);
		result.Add(new Person()
		{
		Id = 1, Name = "Juan Dela Cruz", Gender = "Male", Score = 95
		}

		);
		result.Add(new Person()
		{
		Id = 4, Name = "Juanita Dela Cruz", Gender = "Female", Score = 90
		}

		);
		return result;
	}
}

public class Person
{
	public int Id
	{
		get;
		set;
	}

	public string Name
	{
		get;
		set;
	}

	/* TODO: Use the Gender enum below and change the Type of this property from string to Gender
           Also, any function that manipulates this data should be checked for sanity.
           For example, only inputting "M", "Male" or "m" is allowed for Male. 
           System must be robust enough to check for invalid inputs.
           If invalid input detected, repeat the action of inputting the value.
         */
	public string Gender
	{
		get;
		set;
	}

	/* TODO: There is Score information for each person. 
           Please implement a new Score property here
         */
	public int Score
	{
		get;
		set;
	}
}

public enum Gender
{
	Male,
	Female
}

​x
 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
​
public class Program
{
    static List<Person> people = Database.GetPeople();
    public static void Main(string[] args)
    {
        bool running = true;
        Console.WriteLine("Program START");
        while (running)
        {
            Console.WriteLine("Select a command: list, add, edit, delete, listbyname, listbyid, listmen, listwomen, listbyscore, purgefailure, exit");
            string command = Console.ReadLine();
            /*if (command == "list")
                {
                    List();
                }
                if (command == "add")
                {
                    Add();
                }*/
            command = command.ToLower();
            switch (command)
            {
                case "list":
                case "listbyname":
                case "listbyid":
                case "listmen":
                case "listwomen":
                case "listbyscore":
                {
                    List(command);
                    break;
                }
​
                case "add":
                {
                    Add();
                    break;
                }
​
                case "edit":
                {
                    Edit();
                    break;
                }
​
                case "delete":
                {
                    Delete();
                    break;
                }
​
                case "purgefailure":
                {
                    PurgeFailure();
                    break;
                }
​
                case "exit":
                {
                    running = false;
                    break;
                }
            }
        /* TODO: Implement the following additional commands:
                   edit - edits an existing record
                   delete - deletes an existing record
                   listbyname - order by Name A-Z
                   listbyid - order by Id
                   listmen - list men only
                   listwomen - list women only
                   listbyscore - list by score highest to lowest
                   purgefailure - delete people whose score is lower than 70
                   
                   *advanced add function - make it such that the command below will add a new person quickly given the inputs*
                   add Name:Alvin Paul Malinis,Gender:Male,Score:99
                */
        /* TODO: There is Score information for each person (see below for more information) 
                Please display the score on every list */
        /*if (command == "exit")
                {
                    running = false;
​
                }*/
        }
​
        Console.WriteLine("Program END");
    }
​
    static void List(string comm)
    {
        /* TODO: Remove this hard-coded longest name length 
            and determine programatically how many characters is the 
            longest name of a person in people 
            in such a way that the list commands will pad whitespace to accomodate 
            */
        int namelength = 17;
        Console.WriteLine("=======PEOPLE=======");
        /* TODO: There is Score information for each person. 
               Please display the score on every list */
        /* TODO: String manipulation below is very inefficient
              Change the implementation to use StringBuilder instead */
        List<Person> peopleList;
        switch (comm)
        {
            case "listbyid":
            {
                peopleList = people.OrderBy(m => m.Id).ToList<Person>();
                break;
            }
​
            case "listbyname":
            {
                peopleList = people.OrderBy(m => m.Name).ToList<Person>();
                break;
            }
​
            case "listmen":
            {
                peopleList = people.Where(m => m.Gender == "Male").ToList<Person>();
                break;
            }
​
            case "listwomen":
            {
                peopleList = people.Where(m => m.Gender == "Female").ToList<Person>();
                break;
            }
​
            case "listbyscore":
            {
                peopleList = people.OrderBy(m => m.Score).ToList<Person>();
                break;
            }
​
            default:
            {
                peopleList = people;
                break;
            }
        }
​
        StringBuilder sb = new StringBuilder("");
        sb.Append("Id  ");
        sb.Append("Name".PadRight(namelength + 2));
        sb.Append("Gender".PadRight(8));
        sb.Append("Score\n");
        foreach (var person in peopleList)
        {
            sb.Append(person.Id.ToString().PadRight(4));
            sb.Append(person.Name.PadRight(namelength + 2));
            sb.Append(person.Gender.PadRight(8));
            sb.Append(person.Score.ToString());
            sb.Append("\n");
        }
​
        Console.Write(sb);
    }
​
    static void Add()
    {
        /* TODO: System must be robust enough to check for invalid inputs.
            For example, you should not allow empty fields.
            If invalid input detected, repeat the action of inputting the value.
            Also, if the name already exists in the database, display a message that 
            "Person already exists in the database",addadd then repeat the action of inputting the name.
            */
        /* TODO: User must avoid inputting the Id, instead this should be 
             automatically incremented and generated.
             */
        var peopleList = people.OrderByDescending(m => m.Id).ToList<Person>().First();
        int id = peopleList.Id + 1;
        Console.WriteLine("Input Id# " + id.ToString());
        bool proceedName = false;
        string name = "";
        while (proceedName == false)
        {
            Console.WriteLine("Input Name");
            name = Console.ReadLine();
            if (name.Trim().ToString() == "")
            {
                proceedName = false;
            }
            else
            {
                bool nameFound = false;
                foreach (var pers in people)
                {
                    if (pers.Name.ToUpper() == name.ToUpper())
                    {
                        nameFound = true;
                        Console.WriteLine("Name already in the data!");
                        break;
                    }
                }
​
                if (nameFound)
                {
                    proceedName = false;
                }
                else
                {
                    proceedName = true;
                }
            }
        }
​
        var male = new string[]
        {
        "male", "m"
        }
​
        ;
        var female = new string[]
        {
        "female", "f"
        }
​
        ;
        string gender = "";
        bool proceedGender = false;
        while (proceedGender == false)
        {
            Console.WriteLine("Input Gender");
            gender = Console.ReadLine();
            if (male.Contains(gender.ToLowerInvariant()))
            {
                gender = "Male";
                proceedGender = true;
            }
            else if (female.Contains(gender.ToLowerInvariant()))
            {
                gender = "Female";
                proceedGender = true;
            }
            else
            {
                Console.WriteLine("Invalid Input! Please choose from 'm', 'male', 'f', or 'female'");
            }
        }
​
        int score = 0;
        bool proceedScore = false;
        while (proceedScore == false)
        {
            Console.WriteLine("Input Score");
            string iptScore = Console.ReadLine();
            if (int.TryParse(iptScore, out score))
            {
                if (Convert.ToInt32(iptScore) <= 100 && Convert.ToInt32(iptScore) > 0)
                {
                    score = Convert.ToInt32(iptScore);
                    proceedScore = true;
                }
                else
                {
                    Console.WriteLine("Please Enter a valid score! (0-100)");
                }
            }
            else
            {
                Console.WriteLine("Please Enter a valid score! (0-100)");
            }
        }
​
        Person person = new Person();
        person.Id = Convert.ToInt32(id);
        person.Name = name;
        person.Gender = gender;
        person.Score = Convert.ToInt32(score);
        people.Add(person);
    }
​
    static void Edit()
    {
    }
​
    static void Delete()
    {
        Console.WriteLine("Enter the Id of the record you want to Delete:");
        int id;
        string inputId = Console.ReadLine();
        if (int.TryParse(inputId, out id))
        {
            id = Convert.ToInt32(inputId);
            string name = "";
            bool idFound = false;
            foreach (var person in people)
            {
                if (id == person.Id)
                {
                    name = person.Name;
                    idFound = true;
                    people.Remove(person);
                    break;
                }
            }
​
            if (idFound)
            {
                Console.WriteLine(name + " has been removed from the list");
            }
        }
        else
        {
            Console.WriteLine("ID not found! No row was deleted!");
        }
    }
​
    static void PurgeFailure()
    {
    }
}
​
public class Database
{
    public static List<Person> GetPeople()
    {
        /* TODO: There is Score information for each person. 
           Please pre-define the following scores for
           each existing person:
           John Doe - 60
           Jane Doe - 90
           Juan Dela Cruz - 95
           Juanita Dela Cruz - 90
           Remember that the commands must also input scores as well (ex. add, edit, delete)
            */
        var result = new List<Person>();
        result.Add(new Person()
        {
        Id = 2, Name = "John Doe", Gender = "Male", Score = 60
        }
​
        );
        result.Add(new Person()
        {
        Id = 3, Name = "Jane Doe", Gender = "Female", Score = 90
        }
​
        );
        result.Add(new Person()
        {
        Id = 1, Name = "Juan Dela Cruz", Gender = "Male", Score = 95
        }
​
        );
        result.Add(new Person()
        {
        Id = 4, Name = "Juanita Dela Cruz", Gender = "Female", Score = 90
        }
​
        );
        return result;
    }
}
​
public class Person
{
    public int Id
    {
        get;
        set;
    }
​
    public string Name
    {
        get;
        set;
    }
​
    /* TODO: Use the Gender enum below and change the Type of this property from string to Gender
           Also, any function that manipulates this data should be checked for sanity.
           For example, only inputting "M", "Male" or "m" is allowed for Male. 
           System must be robust enough to check for invalid inputs.
           If invalid input detected, repeat the action of inputting the value.
         */
    public string Gender
    {
        get;
        set;
    }
​
    /* TODO: There is Score information for each person. 
           Please implement a new Score property here
         */
    public int Score
    {
        get;
        set;
    }
}
​
public enum Gender
{
    Male,
    Female
}

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