C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.Collections.Generic;
using System.Linq;

namespace SimplyLearn
{
	
	public class Trainer
	{
		public string FirstName { get; set; }
		public string LastName { get; set; }
		public string Email { get; set; }
		public int? Exp { get; set; }
		public bool HasBlog { get; set; }
		public string BlogURL { get; set; }
		public WebBrowser Browser { get; set; }
		public List<string> Certifications { get; set; }
		public string Employer { get; set; }
		public int RegistrationFee { get; set; }
		public List<Session> Sessions { get; set; }

		/// <summary>
		/// Register a Trainer
		/// </summary>
		/// <returns>trainerID</returns>
		public RegisterResponse Register(IRepository repository)
		{
			
			int? trainerId = null;
			bool good = false;
			bool appr = false;
			
			var ot = new List<string>() { "vb6", "assembly", "forrtan", "VBScript" };

			//DEFECT #5274 DA 12/10/2012
			//We weren't filtering out the domain so I added it. 
			var domains = new List<string>() { "gmail.com", "yahoo.com", "hotmail.com" };

			if (!string.IsNullOrWhiteSpace(FirstName))
			{
				if (!string.IsNullOrWhiteSpace(LastName))
				{
					if (!string.IsNullOrWhiteSpace(Email))
					{
						//put list of employers in array
						var emps = new List<string>() { "Salesforce", "Microsoft", "Google", "Amazon" };

						good = Exp > 10 || HasBlog || Certifications.Count() > 3 || emps.Contains(Employer);

						if (!good)
						{
							//need to get just the domain from the email
							string emailDomain = Email.Split('@').Last();

							if (!domains.Contains(emailDomain) && (!(Browser.Name == WebBrowser.BrowserName.InternetExplorer && Browser.MajorVersion < 9)))
							{
								good = true;
							}
						}

						if (good)
						{
							if (Sessions.Count() != 0)
							{
								foreach (var session in Sessions)
								{
									//foreach (var tech in nt)
									//{
									//    if (session.Title.Contains(tech))
									//    {
									//        session.Approved = true;
									//        break;
									//    }
									//}

									foreach (var tech in ot)
									{
										if (session.Title.Contains(tech) || session.Description.Contains(tech))
										{
											session.Approved = false;
											break;
										}
										else
										{
											session.Approved = true;
											appr = true;
										}
									}
								}
							}
							else
							{
								return new RegisterResponse(RegisterError.NoSessionsProvided);
							}

							if (appr)
							{
								//if we got this far, the speaker is approved
								//let's go ahead and register him/her now.
								//First, let's calculate the registration fee. 
								//More experienced speakers pay a lower fee.								
								if (Exp <= 1)
								{
									RegistrationFee = 500;
								}
								else if (Exp >= 2 && Exp <= 3)
								{
									RegistrationFee = 250;
								}
								else if (Exp >= 4 && Exp <= 5)
								{
									RegistrationFee = 100;
								}
								else if (Exp >= 6 && Exp <= 9)
								{
									RegistrationFee = 50;
								}
								else
								{
									RegistrationFee = 0;
								}

							//Now, save the speaker and sessions to the db.
								try
								{
									trainerId = repository.SaveTrainer(this);
								}
								catch (Exception e)
								{
									//in case the db call fails 
								}
							}
							else
							{
								return new RegisterResponse(RegisterError.NoSessionsApproved);
							}
						}
						else
						{
							return new RegisterResponse(RegisterError.TrainerDoesNotMeetStandards);
						}
					}
					else
					{
						return new RegisterResponse(RegisterError.EmailRequired);
					}
				}
				else
				{
					return new RegisterResponse(RegisterError.LastNameRequired);
				}
			}
			else
			{
				return new RegisterResponse(RegisterError.FirstNameRequired);
			}

			//if we got this far, the speaker is registered.
			return new RegisterResponse((int)trainerId);
		}
	}
}

namespace SimplyLearn
{
	public class WebBrowser
	{
		public BrowserName Name { get; set; }
		public int MajorVersion { get; set; }

		public WebBrowser(string name, int majorVersion)
		{
			Name = TranslateStringToBrowserName(name);
			MajorVersion = majorVersion;
		}

		private BrowserName TranslateStringToBrowserName(string name)
		{
			if (name.Contains("IE")) return BrowserName.InternetExplorer;
			//TODO: Add more logic for properly sniffing for other browsers.
			return BrowserName.Unknown;
		}

		public enum BrowserName
		{
			Unknown,
			InternetExplorer,
			Edge,
			Firefox,
			Chrome,
			Opera,
			Safari,
			Dolphin,
			Konqueror,
			Linx
		}
	}
}

namespace SimplyLearn
{
	public interface IRepository
	{
		int SaveTrainer(Trainer trainer);
	}
}

namespace SimplyLearn
{
	public class RegisterResponse
	{
		public RegisterResponse(int trainerId)
		{
			this.TrainerId = trainerId;
		}

		public RegisterResponse(RegisterError? error)
		{
			this.Error = error;
		}

		private int? TrainerId { get; set; }
		private RegisterError? Error { get; set; }
	}

	public enum RegisterError
	{
		FirstNameRequired,
		LastNameRequired,
		EmailRequired,
		NoSessionsProvided,
		NoSessionsApproved,
		TrainerDoesNotMeetStandards
	};
}
namespace SimplyLearn
{
	
	public class Session
	{
		public string Title { get; set; }
		public string Description { get; set; }
		public bool Approved { get; set; }

		public Session(string title, string description)
		{
			Title = title;
			Description = description;
		}
	}
}

​x
 
using System;
using System.Collections.Generic;
using System.Linq;
​
namespace SimplyLearn
{
    
    public class Trainer
    {
        public string FirstName { get; set; }
        public string LastName { get; set; }
        public string Email { get; set; }
        public int? Exp { get; set; }
        public bool HasBlog { get; set; }
        public string BlogURL { get; set; }
        public WebBrowser Browser { get; set; }
        public List<string> Certifications { get; set; }
        public string Employer { get; set; }
        public int RegistrationFee { get; set; }
        public List<Session> Sessions { get; set; }
​
        /// <summary>
        /// Register a Trainer
        /// </summary>
        /// <returns>trainerID</returns>
        public RegisterResponse Register(IRepository repository)
        {
            
            int? trainerId = null;
            bool good = false;
            bool appr = false;
            
            var ot = new List<string>() { "vb6", "assembly", "forrtan", "VBScript" };
​
            //DEFECT #5274 DA 12/10/2012
            //We weren't filtering out the domain so I added it. 
            var domains = new List<string>() { "gmail.com", "yahoo.com", "hotmail.com" };
​
            if (!string.IsNullOrWhiteSpace(FirstName))
            {
                if (!string.IsNullOrWhiteSpace(LastName))
                {
                    if (!string.IsNullOrWhiteSpace(Email))
                    {
                        //put list of employers in array
                        var emps = new List<string>() { "Salesforce", "Microsoft", "Google", "Amazon" };
​
                        good = Exp > 10 || HasBlog || Certifications.Count() > 3 || emps.Contains(Employer);
​
                        if (!good)
                        {
                            //need to get just the domain from the email
                            string emailDomain = Email.Split('@').Last();
​
                            if (!domains.Contains(emailDomain) && (!(Browser.Name == WebBrowser.BrowserName.InternetExplorer && Browser.MajorVersion < 9)))
                            {
                                good = true;
                            }
                        }
​
                        if (good)
                        {
                            if (Sessions.Count() != 0)
                            {
                                foreach (var session in Sessions)
                                {
                                    //foreach (var tech in nt)
                                    //{
                                    //    if (session.Title.Contains(tech))
                                    //    {
                                    //        session.Approved = true;
                                    //        break;
                                    //    }
                                    //}
​
                                    foreach (var tech in ot)
                                    {
                                        if (session.Title.Contains(tech) || session.Description.Contains(tech))
                                        {
                                            session.Approved = false;
                                            break;
                                        }
                                        else
                                        {
                                            session.Approved = true;
                                            appr = true;
                                        }
                                    }
                                }
                            }
                            else
                            {
                                return new RegisterResponse(RegisterError.NoSessionsProvided);
                            }
​
                            if (appr)
                            {
                                //if we got this far, the speaker is approved
                                //let's go ahead and register him/her now.
                                //First, let's calculate the registration fee. 
                                //More experienced speakers pay a lower fee.                                
                                if (Exp <= 1)
                                {
                                    RegistrationFee = 500;
                                }
                                else if (Exp >= 2 && Exp <= 3)
                                {
                                    RegistrationFee = 250;
                                }
                                else if (Exp >= 4 && Exp <= 5)
                                {
                                    RegistrationFee = 100;
                                }
                                else if (Exp >= 6 && Exp <= 9)
                                {
                                    RegistrationFee = 50;
                                }
                                else
                                {
                                    RegistrationFee = 0;
                                }
​
                            //Now, save the speaker and sessions to the db.
                                try
                                {
                                    trainerId = repository.SaveTrainer(this);
                                }
                                catch (Exception e)
                                {
                                    //in case the db call fails 
                                }
                            }
                            else
                            {
                                return new RegisterResponse(RegisterError.NoSessionsApproved);
                            }
                        }
                        else
                        {
                            return new RegisterResponse(RegisterError.TrainerDoesNotMeetStandards);
                        }
                    }
                    else
                    {
                        return new RegisterResponse(RegisterError.EmailRequired);
                    }
                }
                else
                {
                    return new RegisterResponse(RegisterError.LastNameRequired);
                }
            }
            else
            {
                return new RegisterResponse(RegisterError.FirstNameRequired);
            }
​
            //if we got this far, the speaker is registered.
            return new RegisterResponse((int)trainerId);
        }
    }
}
​
namespace SimplyLearn
{
    public class WebBrowser
    {
        public BrowserName Name { get; set; }
        public int MajorVersion { get; set; }
​
        public WebBrowser(string name, int majorVersion)
        {
            Name = TranslateStringToBrowserName(name);
            MajorVersion = majorVersion;
        }
​
        private BrowserName TranslateStringToBrowserName(string name)
        {
            if (name.Contains("IE")) return BrowserName.InternetExplorer;
            //TODO: Add more logic for properly sniffing for other browsers.
            return BrowserName.Unknown;
        }
​
        public enum BrowserName
        {
            Unknown,
            InternetExplorer,
            Edge,
            Firefox,
            Chrome,
            Opera,
            Safari,
            Dolphin,
            Konqueror,
            Linx
        }
    }
}
​
namespace SimplyLearn
{
    public interface IRepository
    {
        int SaveTrainer(Trainer trainer);
    }
}
​
namespace SimplyLearn
{
    public class RegisterResponse
    {
        public RegisterResponse(int trainerId)
        {
            this.TrainerId = trainerId;
        }
​
        public RegisterResponse(RegisterError? error)
        {
            this.Error = error;
        }
​
        private int? TrainerId { get; set; }
        private RegisterError? Error { get; set; }
    }
​
    public enum RegisterError
    {
        FirstNameRequired,
        LastNameRequired,
        EmailRequired,
        NoSessionsProvided,
        NoSessionsApproved,
        TrainerDoesNotMeetStandards
    };
}
namespace SimplyLearn
{
    
    public class Session
    {
        public string Title { get; set; }
        public string Description { get; set; }
        public bool Approved { get; set; }
​
        public Session(string title, string description)
        {
            Title = title;
            Description = description;
        }
    }
}
​

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