81 lines
2.2 KiB
C#
81 lines
2.2 KiB
C#
using Shogi.Contracts.Types;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.Text.RegularExpressions;
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namespace Shogi.Contracts.Api.Commands;
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public partial class MovePieceCommand : IValidatableObject
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{
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/// <summary>
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/// For serialization.
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/// </summary>
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public MovePieceCommand()
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{
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To = string.Empty;
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}
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/// <summary>
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/// Move a piece on the board.
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/// </summary>
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public MovePieceCommand(string from, string to, bool isPromotion)
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{
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From = from;
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To = to;
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IsPromotion = isPromotion;
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}
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/// <summary>
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/// Add a piece to the board from the hand.
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/// </summary>
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public MovePieceCommand(WhichPiece pieceFromHand, string to)
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{
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PieceFromHand = pieceFromHand;
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To = to;
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}
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/// <summary>
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/// Mutually exclusive with <see cref="From"/>.
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/// Set this property to indicate moving a piece from the hand onto the board.
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/// </summary>
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public WhichPiece? PieceFromHand { get; set; }
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/// <summary>
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/// Board position notation, like A3 or G1
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/// Mutually exclusive with <see cref="PieceFromHand"/>.
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/// Set this property to indicate moving a piece from the board to another position on the board.
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/// </summary>
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public string? From { get; set; }
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/// <summary>
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/// Board position notation, like A3 or G1
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/// </summary>
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[Required]
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public string To { get; set; }
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public bool? IsPromotion { get; set; }
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public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
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{
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if (PieceFromHand.HasValue && !string.IsNullOrWhiteSpace(From))
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{
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yield return new ValidationResult($"{nameof(PieceFromHand)} and {nameof(From)} are mutually exclusive properties.");
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}
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if (PieceFromHand.HasValue && IsPromotion.HasValue)
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{
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yield return new ValidationResult($"{nameof(PieceFromHand)} and {nameof(IsPromotion)} are mutually exclusive properties.");
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}
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if (!BoardNotationRegex().IsMatch(To))
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{
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yield return new ValidationResult($"{nameof(To)} must be a valid board position, between A1 and I9");
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}
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if (!string.IsNullOrEmpty(From) && !BoardNotationRegex().IsMatch(From))
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{
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yield return new ValidationResult($"{nameof(From)} must be a valid board position, between A1 and I9");
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}
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}
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[GeneratedRegex("[A-I][1-9]")]
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private static partial Regex BoardNotationRegex();
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}
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