119 lines
4.4 KiB
C#
119 lines
4.4 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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using System.Threading.Tasks;
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namespace SchoolAgainStudyBusinessLogic.BusinessLogic
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{
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public class MaterialLogic : IMaterialLogic
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{
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private readonly ILogger _logger;
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private readonly IMaterialStorage _materialStorage;
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public MaterialLogic(ILogger<MaterialLogic> logger, IMaterialStorage materialStorage)
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{
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_logger = logger;
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_materialStorage = materialStorage;
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}
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public List<MaterialViewModel>? ReadList(MaterialSearchModel? 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 ? _materialStorage.GetFullList() : _materialStorage.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 MaterialViewModel? ReadElement(MaterialSearchModel 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 = _materialStorage.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(MaterialBindingModel model)
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{
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CheckModel(model);
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if (_materialStorage.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(MaterialBindingModel model)
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{
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CheckModel(model);
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if (_materialStorage.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(MaterialBindingModel 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 (_materialStorage.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(MaterialBindingModel 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.SphereUse))
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{
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throw new ArgumentNullException("Не задана сфера использования", nameof(model.SphereUse));
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}
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if (model.TeacherId <= 0)
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{
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throw new ArgumentNullException("Неверно задан идентификатор учителя", nameof(model.TeacherId));
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}
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_logger.LogInformation("Material. Titel:{Title}.SphereUse{SphereUse}.TeacherId:{TeacherId}. Id: {Id}", model.Title, model.SphereUse, model.TeacherId, model.Id);
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var element = _materialStorage.GetElement(new MaterialSearchModel
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{
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Title = model.Title,
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TeacherId = model.TeacherId
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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("Материалы 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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