121 lines
4.4 KiB
C#
121 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 LessonLogic : ILessonLogic
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{
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private readonly ILogger _logger;
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private readonly ILessonStorage _lessonStorage;
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public LessonLogic(ILogger<LessonLogic> logger, ILessonStorage lessonStorage)
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{
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_logger = logger;
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_lessonStorage = lessonStorage;
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}
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public List<LessonViewModel>? ReadList(LessonSearchModel? 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 ? _lessonStorage.GetFullList() : _lessonStorage.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 LessonViewModel? ReadElement(LessonSearchModel 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 = _lessonStorage.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(LessonBindingModel model)
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{
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CheckModel(model);
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if (_lessonStorage.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(LessonBindingModel model)
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{
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CheckModel(model);
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if (_lessonStorage.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(LessonBindingModel 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 (_lessonStorage.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(LessonBindingModel 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 (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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if (model.ProductId <= 0)
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{
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throw new ArgumentNullException("Неверно задан идентификатор изделия", nameof(model.ProductId));
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}
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_logger.LogInformation("Lesson. Titel:{Title}.ProductId{ProductId}.TeacherId:{TeacherId}. Id: {Id}", model.Title, model.ProductId, model.TeacherId, model.Id);
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var element = _lessonStorage.GetElement(new LessonSearchModel
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{
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Title = model.Title,
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TeacherId = model.TeacherId,
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DateCreate = model.DateEvent
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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("Занятие 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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