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Added author's solutions
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‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 14
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VisualStudioVersion = 14.0.24720.0
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dealership", "Dealership\Dealership.csproj", "{4DB3664E-CDAE-446D-8163-683F6344C24B}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{4DB3664E-CDAE-446D-8163-683F6344C24B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{4DB3664E-CDAE-446D-8163-683F6344C24B}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{4DB3664E-CDAE-446D-8163-683F6344C24B}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{4DB3664E-CDAE-446D-8163-683F6344C24B}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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EndGlobal

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Common/Constants.cs

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namespace Dealership.Common
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{
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public class Constants
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{
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// String lengths
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public const int MinNameLength = 2;
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public const int MaxNameLength = 20;
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public const int MinPasswordLength = 5;
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public const int MaxPasswordLength = 30;
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public const int MinCategoryLength = 3;
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public const int MaxCategoryLength = 10;
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public const int MinMakeLength = 2;
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public const int MaxMakeLength = 15;
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public const int MinModelLength = 1;
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public const int MaxModelLength = 15;
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public const int MinCommentLength = 3;
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public const int MaxCommentLength = 200;
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// Numbers validation
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public const int MinWheels = 2;
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public const int MaxWheels = 10;
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public const decimal MinPrice = 0.0m;
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public const decimal MaxPrice = 1000000.0m;
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public const int MinSeats = 1;
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public const int MaxSeats = 10;
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public const int MinCapacity = 1;
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public const int MaxCapacity = 100;
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// Strings for validation
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public const string StringMustBeBetweenMinAndMax = "{0} must be between {1} and {2} characters long!";
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public const string NumberMustBeBetweenMinAndMax = "{0} must be between {1} and {2}!";
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// Vehicle max to add if not VIP
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public const int MaxVehiclesToAdd = 5;
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// Username pattern
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public const string UsernamePattern = "^[A-Za-z0-9]+$";
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public const string PasswordPattern = "^[A-Za-z0-9@*_-]+$";
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// Strings for vehicles, comments and users
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public const string InvalidSymbols = "{0} contains invalid symbols!";
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public const string UserToString = "Username: {0}, FullName: {1} {2}, Role: {3}";
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public const string CommentCannotBeNull = "Comment cannot be null!";
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public const string VehicleCannotBeNull = "Vehicle cannot be null!";
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public const string NotAnVipUserVehiclesAdd = "You are not VIP and cannot add more than {0} vehicles!";
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public const string AdminCannotAddVehicles = "You are an admin and therefore cannot add vehicles!";
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public const string YouAreNotTheAuthor = "You are not the author!";
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public const string UserCannotBeNull = "User cannot be null!";
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// Added additionally
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public const string PropertyCannotBeNull = "{0} cannot be null!";
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Common/Enums/Role.cs

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namespace Dealership.Common.Enums
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{
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public enum Role
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{
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Normal = 0,
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VIP = 1,
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Admin = 2
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Common/Enums/VehicleType.cs

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namespace Dealership.Common.Enums
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{
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public enum VehicleType
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{
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Motorcycle = 2,
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Car = 4,
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Truck = 8
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Common/Validator.cs

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namespace Dealership.Common
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{
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using System;
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using System.Text.RegularExpressions;
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public static class Validator
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{
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public static void ValidateIntRange(int value, int min, int max, string message)
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{
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if (value < min || value > max)
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{
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throw new ArgumentException(message);
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}
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}
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public static void ValidateDecimalRange(decimal value, decimal min, decimal max, string message)
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{
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if (value < min || value > max)
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{
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throw new ArgumentException(message);
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}
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}
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public static void ValidateNull(object value, string message)
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{
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if (value == null)
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{
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throw new ArgumentNullException(message);
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}
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}
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public static void ValidateSymbols(string value, string pattern, string message)
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{
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var regex = new Regex(pattern, RegexOptions.IgnoreCase);
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if (!regex.IsMatch(value))
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{
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throw new ArgumentException(message);
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}
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}
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Contracts/ICar.cs

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namespace Dealership.Contracts
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{
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public interface ICar
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{
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int Seats { get; }
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Contracts/IComment.cs

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namespace Dealership.Contracts
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{
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public interface IComment
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{
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string Content { get; }
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string Author { get; set; }
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Contracts/ICommentable.cs

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using System.Collections.Generic;
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namespace Dealership.Contracts
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{
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public interface ICommentable
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{
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IList<IComment> Comments { get; }
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Contracts/IMotorcycle.cs

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namespace Dealership.Contracts
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{
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public interface IMotorcycle
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{
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string Category { get; }
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Contracts/IPriceable.cs

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namespace Dealership.Contracts
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{
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public interface IPriceable
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{
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decimal Price { get; }
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Contracts/ITruck.cs

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namespace Dealership.Contracts
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{
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public interface ITruck
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{
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int WeightCapacity { get; }
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Contracts/IUser.cs

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using Dealership.Common.Enums;
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using System.Collections.Generic;
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namespace Dealership.Contracts
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{
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public interface IUser
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{
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string Username { get; }
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string FirstName { get; }
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string LastName { get; }
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string Password { get; }
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Role Role { get; }
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IList<IVehicle> Vehicles { get; }
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void AddVehicle(IVehicle vehicle);
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void RemoveVehicle(IVehicle vehicle);
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void AddComment(IComment commentToAdd, IVehicle vehicleToAddComment);
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void RemoveComment(IComment commentToRemove, IVehicle vehicleToRemoveComment);
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string PrintVehicles();
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Contracts/IVehicle.cs

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namespace Dealership.Contracts
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{
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using Dealership.Common.Enums;
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public interface IVehicle : ICommentable, IPriceable
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{
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int Wheels { get; }
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VehicleType Type { get; }
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string Make { get; }
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string Model { get; }
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}
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}

‎Topics/Exam-AuthorsSolutions/Dealership-AuthorSolution/Dealership/Dealership.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{4DB3664E-CDAE-446D-8163-683F6344C24B}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>Dealership</RootNamespace>
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<AssemblyName>Dealership</AssemblyName>
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<TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup>
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<StartupObject />
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Common\Constants.cs" />
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<Compile Include="Common\Enums\VehicleType.cs" />
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<Compile Include="Common\Enums\Role.cs" />
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<Compile Include="Common\Validator.cs" />
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<Compile Include="Contracts\ICar.cs" />
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<Compile Include="Contracts\IComment.cs" />
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<Compile Include="Contracts\ICommentable.cs" />
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<Compile Include="Contracts\IMotorcycle.cs" />
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<Compile Include="Contracts\IPriceable.cs" />
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<Compile Include="Contracts\ITruck.cs" />
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<Compile Include="Contracts\IUser.cs" />
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<Compile Include="Contracts\IVehicle.cs" />
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<Compile Include="Engine\Command.cs" />
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<Compile Include="Engine\DealershipEngine.cs" />
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<Compile Include="Engine\ICommand.cs" />
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<Compile Include="Engine\IEngine.cs" />
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<Compile Include="Factories\DealershipFactory.cs" />
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<Compile Include="Factories\IDealershipFactory.cs" />
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<Compile Include="Models\Car.cs" />
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<Compile Include="Models\Comment.cs" />
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<Compile Include="Models\Motorcycle.cs" />
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<Compile Include="Models\Truck.cs" />
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<Compile Include="Models\User.cs" />
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<Compile Include="Models\Vehicle.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="Startup.cs" />
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</ItemGroup>
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<ItemGroup />
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>

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