64 lines
2.2 KiB
C#
64 lines
2.2 KiB
C#
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using ConfectioneryListImplement;
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using EkzamenContracts.BindingModels;
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using EkzamenContracts.SearchModels;
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using EkzamenContracts.StoragesContract;
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using EkzamenContracts.ViewModels;
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namespace EkzamenListImplement
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{
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public class StudentStorage : IStudentStorage
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{
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private readonly DataListSingleton _source = DataListSingleton.GetInstance();
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public List<StudentViewModel> GetFullList()
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{
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return _source.Students.Select(x => x.GetViewModel).ToList();
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}
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public List<StudentViewModel> GetFilteredList(StudentSearchModel model)
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{
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var result = new List<StudentViewModel>();
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if (model.CreatedDateFrom is null || model.CreatedDateTo is null)
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{
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return result;
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}
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return _source.Students.Where(x => model.CreatedDateFrom <= x.DateEnrollment && x.DateEnrollment <= model.CreatedDateTo).Select(x => x.GetViewModel).ToList();
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}
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public StudentViewModel? GetElement(StudentSearchModel model)
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{
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if (!model.Id.HasValue)
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{
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return null;
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}
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return _source.Students.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
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}
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public StudentViewModel? Insert(StudentBindingModel model)
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{
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model.Id = _source.Students.Max(x => x.Id);
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var newComponent = Student.Create(model);
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if (newComponent == null)
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{
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return null;
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}
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_source.Students.Add(newComponent);
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return newComponent.GetViewModel;
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}
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public StudentViewModel? Update(StudentBindingModel model)
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{
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var student = _source.Students.FirstOrDefault(x => x.Id == model.Id);
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if (student != null)
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{
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student.Update(model);
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}
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return student?.GetViewModel;
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}
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public StudentViewModel? Delete(StudentBindingModel model)
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{
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var student = _source.Students.FirstOrDefault(x => x.Id == model.Id);
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if (student != null)
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{
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_source.Students.Remove(student);
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}
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return student?.GetViewModel;
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}
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}
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}
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