123 lines
4.5 KiB
C#
123 lines
4.5 KiB
C#
using Microsoft.Extensions.Logging;
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using SchoolAgainStudyContracts.BindingModel;
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using SchoolAgainStudyContracts.BusinessLogicContracts;
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using SchoolAgainStudyContracts.SearchModel;
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using SchoolAgainStudyContracts.StorageContracts;
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using SchoolAgainStudyContracts.ViewModel;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace SchoolAgainStudyBusinessLogic.BusinessLogic
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{
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public class DiyLogic : IDiyLogic
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{
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private readonly ILogger _logger;
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private readonly IDiyStorage _diyStorage;
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public DiyLogic(ILogger<DiyLogic> logger, IDiyStorage diyStorage)
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{
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_logger = logger;
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_diyStorage = diyStorage;
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}
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public List<DiyViewModel>? ReadList(DiySearchModel? model)
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{
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_logger.LogInformation("ReadList. Title:{Title}.Id:{ Id}", model?.Title, model?.Id);
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var list = model == null ? _diyStorage.GetFullList() : _diyStorage.GetFilteredList(model);
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if (list == null)
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{
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_logger.LogWarning("ReadList return null list");
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return null;
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}
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_logger.LogInformation("ReadList. Count:{Count}", list.Count);
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return list;
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}
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public DiyViewModel? ReadElement(DiySearchModel model)
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{
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if (model == null)
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{
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throw new ArgumentNullException(nameof(model));
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}
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_logger.LogInformation("ReadElement. Title:{Title}. Id:{ Id}", model.Title, model.Id);
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var element = _diyStorage.GetElement(model);
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if (element == null)
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{
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_logger.LogWarning("ReadElement element not found");
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return null;
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}
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_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
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return element;
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}
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public bool Create(DiyBindingModel model)
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{
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CheckModel(model);
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if (_diyStorage.Insert(model) == null)
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{
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_logger.LogWarning("Insert operation failed");
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return false;
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}
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return true;
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}
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public bool Update(DiyBindingModel model)
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{
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CheckModel(model);
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if (_diyStorage.Update(model) == null)
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{
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_logger.LogWarning("Update operation failed");
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return false;
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}
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return true;
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}
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public bool Delete(DiyBindingModel model)
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{
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CheckModel(model, false);
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_logger.LogInformation("Delete. Id:{Id}", model.Id);
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if (_diyStorage.Delete(model) == null)
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{
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_logger.LogWarning("Delete operation failed");
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return false;
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}
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return true;
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}
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private void CheckModel(DiyBindingModel model, bool withParams =
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true)
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{
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if (model == null)
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{
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throw new ArgumentNullException(nameof(model));
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}
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if (!withParams)
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{
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return;
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}
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if (string.IsNullOrEmpty(model.Title))
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{
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throw new ArgumentNullException("Не задано название", nameof(model.Title));
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}
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if (string.IsNullOrEmpty(model.Description))
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{
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throw new ArgumentNullException("Не задано описание", nameof(model.Description));
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}
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if (model.StudentId <= 0)
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{
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throw new ArgumentNullException("Неверно задан идентификатор школьника", nameof(model.StudentId));
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}
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if (model.TaskId <= 0)
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{
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throw new ArgumentNullException("Неверно задан идентификатор задания", nameof(model.TaskId));
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}
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_logger.LogInformation("Diy. Titel:{Title}.Description{Description}.StudentId:{StudentId}.TaskId{TaskId} Id: {Id}", model.Title,model.Description, model.StudentId,model.TaskId, model.Id);
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var element = _diyStorage.GetElement(new DiySearchModel
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{
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Title = model.Title,
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StudentId = model.StudentId
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});
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if (element != null && element.Id != model.Id)
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{
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throw new InvalidOperationException("Поделка с таким названием уже есть");
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}
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}
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}
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}
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