| | | 1 | | using System.Diagnostics.CodeAnalysis; |
| | | 2 | | |
| | | 3 | | namespace Domain.Common; |
| | | 4 | | |
| | | 5 | | public class Result |
| | | 6 | | { |
| | 661 | 7 | | protected Result(bool isSuccess, Error error) |
| | 661 | 8 | | { |
| | 661 | 9 | | IsSuccess = isSuccess; |
| | 661 | 10 | | Error = error; |
| | 661 | 11 | | } |
| | | 12 | | |
| | 1077 | 13 | | public bool IsSuccess { get; } |
| | | 14 | | |
| | 210 | 15 | | public bool IsFailure => !IsSuccess; |
| | | 16 | | |
| | 50 | 17 | | public Error Error { get; } |
| | 1 | 18 | | public static Result Success() => new(true, Error.None); |
| | | 19 | | |
| | 1 | 20 | | public static Result Failure(Error error) => new(false, error); |
| | 623 | 21 | | public static Result<TValue> Success<TValue>(TValue value) => new(value, true, Error.None); |
| | | 22 | | |
| | 36 | 23 | | public static Result<TValue> Failure<TValue>(Error error) => new(default, false, error); |
| | | 24 | | |
| | | 25 | | public static Result<TValue> Create<TValue>(TValue? value) => |
| | 623 | 26 | | value is not null ? Success(value) : Failure<TValue>(Error.NotFound); |
| | | 27 | | } |
| | | 28 | | |
| | | 29 | | public sealed class Result<TValue> : Result |
| | | 30 | | { |
| | | 31 | | private readonly TValue? _value; |
| | | 32 | | internal Result(TValue? value, bool isSuccess, Error error) |
| | 659 | 33 | | : base(isSuccess, error) |
| | 659 | 34 | | { |
| | 659 | 35 | | _value = value; |
| | 659 | 36 | | } |
| | | 37 | | |
| | | 38 | | [NotNull] |
| | 601 | 39 | | public TValue Value => IsSuccess |
| | 601 | 40 | | ? _value! |
| | 601 | 41 | | : throw new InvalidOperationException("The value of a failure result can not be accessed."); |
| | | 42 | | |
| | 623 | 43 | | public static implicit operator Result<TValue>(TValue? value) => Create(value); |
| | | 44 | | } |