119 lines
4.1 KiB
C#
119 lines
4.1 KiB
C#
using Microsoft.Extensions.Logging;
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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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using UniversityContracts.BindingModels;
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using UniversityContracts.BusinessLogicsContracts;
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using UniversityContracts.SearchModels;
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using UniversityContracts.StorageContracts;
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using UniversityContracts.ViewModels;
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using UniversityDataModels.Enums;
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namespace UniversityBusinessLogic.BusinessLogics
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{
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public class StatementLogic : IStatementLogic
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{
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private readonly ILogger _logger;
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private readonly IStatementStorage _statementStorage;
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public StatementLogic(ILogger<StatementLogic> logger, IStatementStorage
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statementStorage)
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{
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_logger = logger;
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_statementStorage = statementStorage;
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}
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public List<StatementViewModel>? ReadList(StatementSearchModel? model)
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{
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_logger.LogInformation("ReadList.StatementId:{Id} ",
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model?.Id);
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var list = model == null ? _statementStorage.GetFullList() :
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_statementStorage.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 StatementViewModel? ReadElement(StatementSearchModel 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.Id:{Id}",
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model.Id);
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var element = _statementStorage.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(StatementBindingModel model)
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{
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CheckModel(model);
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if (_statementStorage.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(StatementBindingModel model)
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{
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CheckModel(model);
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if (_statementStorage.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(StatementBindingModel 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 (_statementStorage.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(StatementBindingModel model, bool withParams = 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.Name))
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{
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throw new ArgumentNullException("Не выбрано название ведомости", nameof(model.Name));
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}
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if (model.TeacherId <= 0)
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{
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throw new ArgumentNullException("Некорректный идентификатор преподавателя", nameof(model.TeacherId));
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}
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if (model.UserId < 0)
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{
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throw new ArgumentNullException("Некорректный идентификатор пользователя", nameof(model.UserId));
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}
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_logger.LogInformation("Statement. StatementId:{Id}.Name:{Name}. TeacherId: {TeacherId}. UserId: {UserId}",
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model.Id, model.Name, model.TeacherId, model.UserId);
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}
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}
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}
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