forked from ddrilling/AsbCloudServer
70 lines
2.4 KiB
C#
70 lines
2.4 KiB
C#
using AsbCloudApp.Data;
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using AsbCloudApp.Repositories;
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using AsbCloudApp.Requests;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using System.Threading;
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using System.Linq;
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using System.ComponentModel.DataAnnotations;
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using AsbCloudApp.Exceptions;
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namespace AsbCloudApp.Services
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{
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/// <summary>
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///
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/// </summary>
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/// <typeparam name="TDto"></typeparam>
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/// <typeparam name="TRequest"></typeparam>
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public abstract class ChangeLogServiceAbstract<TDto, TRequest>
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where TDto : ChangeLogAbstract
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where TRequest : ChangeLogBaseRequest
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{
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/// <summary>
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/// Репозиторий
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/// </summary>
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public IChangeLogRepository<TDto, TRequest> repository { get; }
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/// <summary>
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/// ctor
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/// </summary>
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/// <param name="repository"></param>
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public ChangeLogServiceAbstract(IChangeLogRepository<TDto, TRequest> repository)
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{
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this.repository = repository;
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}
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/// <summary>
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/// Добавляет Dto у которых id == 0, изменяет dto у которых id != 0
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/// </summary>
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/// <param name="idUser"></param>
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/// <param name="dtos"></param>
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/// <param name="token"></param>
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/// <returns></returns>
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public virtual async Task<int> UpdateOrInsertRange(int idUser, IEnumerable<TDto> dtos, CancellationToken token)
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{
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var validationResults = Validate(dtos);
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if (validationResults.Any())
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{
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var errors = validationResults.SelectMany(r => r.MemberNames.Select(member => $"{member}: {r.ErrorMessage}"));
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throw new ArgumentInvalidException(nameof(dtos), $"not valid: {string.Join("\n", errors)}");
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}
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var itemsToInsert = dtos.Where(e => e.Id == 0);
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var itemsToUpdate = dtos.Where(e => e.Id != 0);
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var result = await repository.InsertRange(idUser, itemsToInsert, token);
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result += await repository.UpdateRange(idUser, itemsToInsert, token);
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return result;
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}
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/// <summary>
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/// Валидация входных данных
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/// </summary>
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/// <param name="dtos"></param>
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/// <returns></returns>
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protected virtual IEnumerable<ValidationResult> Validate(IEnumerable<TDto> dtos)
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=> Enumerable.Empty<ValidationResult>();
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}
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}
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