forked from DavidMakarov/StudentEnrollment
109 lines
3.0 KiB
C#
109 lines
3.0 KiB
C#
using StudentEnrollmentContracts.BusinessLogicContracts;
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using StudentEnrollmentContracts.StorageContracts;
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using StudentEnrollmentContracts.ViewModels;
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using StudentEnrollmentContracts.BindingModels;
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using StudentEnrollmentContracts.SearchModels;
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using Microsoft.Extensions.Logging;
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namespace StudentEnrollmentBusinessLogic
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{
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public class FacultyLogic : IFacultyLogic
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{
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private readonly IFacultyStorage _facultyStorage;
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private readonly ILogger _logger;
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public FacultyLogic(IFacultyStorage facultyStorage, ILogger<FacultyLogic> logger)
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{
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_facultyStorage = facultyStorage;
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_logger = logger;
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}
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public List<FacultyViewModel>? ReadList(FacultySearchModel? model)
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{
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_logger.LogInformation("ReadList. FacultyName:{FacultyName}.Id:{ Id}", model?.name, model?.faculty_id);
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var list = model == null ? _facultyStorage.GetFullList() :
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_facultyStorage.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 FacultyViewModel? ReadElement(FacultySearchModel 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. FacultyName:{FacultyName}.Id:{ Id}", model.name, model.faculty_id);
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var element = _facultyStorage.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(FacultyBindingModel model)
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{
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CheckModel(model);
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if (_facultyStorage.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(FacultyBindingModel model)
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{
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CheckModel(model);
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if (_facultyStorage.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(FacultyBindingModel 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 (_facultyStorage.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(FacultyBindingModel 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.FacultyName))
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{
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throw new ArgumentNullException("Нет названия факультета!",
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nameof(model.FacultyName));
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}
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_logger.LogInformation("Faculty. FacultyName:{FacultyName}. Id: { Id}", model.FacultyName, model.Id);
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var element = _facultyStorage.GetElement(new FacultySearchModel
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{
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name = model.FacultyName,
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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("Факультет с таким же названием уже есть");
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}
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}
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}
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}
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