111 lines
3.9 KiB
C#
111 lines
3.9 KiB
C#
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using System.Security.Cryptography.X509Certificates;
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using SchoolContracts.BindingModels;
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using SchoolContracts.SearchModels;
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using SchoolContracts.StoragesContracts;
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using SchoolContracts.ViewModels;
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using SchoolDatabaseImplement.Models;
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using Microsoft.EntityFrameworkCore;
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namespace SchoolDatabaseImplement.Implements
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{
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public class StudentStorage : IStudentStorage
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{
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private void CheckSearchModel(StudentSearchModel model)
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{
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if (model == null)
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throw new ArgumentNullException("Передаваемая модель для поиска равна нулю", nameof(model));
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if (!model.Id.HasValue && !model.DirectorId.HasValue && model.DisciplinesIds == null)
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throw new ArgumentException("Все передаваемые поля поисковой модели оказались пусты или равны null");
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}
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public StudentViewModel? Delete(StudentBindingModel model)
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{
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using var context = new SchoolDB();
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var element = context.Students.FirstOrDefault(x => x.Id == model.Id);
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if (element != null)
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{
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context.Studentss.Remove(element);
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context.SaveChanges();
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return element;
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}
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return null;
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}
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public StudentViewModel? GetElement(StudentSearchModel model)
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{
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CheckSearchModel(model);
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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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using var context = new SchoolDB();
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return context.Students
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.Include(x => x.Executor)
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.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id);
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}
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public List<StudentViewModel> GetFilteredList(StudentSearchModel model)
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{
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CheckSearchModel(model);
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if (model.Id.HasValue)
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{
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var res = GetElement(model);
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return res != null ? new() { res } : new();
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}
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using var context = new SchoolDB();
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var query = context.Students.Include(x => x.Executor);
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if (model.DirectorId.HasValue)
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{
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return query
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.Where(x => model.DirectorId == x.DirectorId)
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.Select(x => (StudentViewModel)x)
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.ToList();
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}
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if (model.DisciplinesIds != null)
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return query
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.Include(x => x.Disciplines)!
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.ThenInclude(x => x.Discipline)
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.ThenInclude(x => x.Student)
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.Where(x => x.Disciplines.Any(y => model.DisciplinesIds.Contains(y.DisciplineId)))
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.Select(x => (StudentViewModel)x)
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.ToList();
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return new();
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}
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public List<StudentViewModel> GetFullList()
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{
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using var context = new SchoolDB();
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return context.Students.Include(x => x.Executor)
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.Select(x => (StudentViewModel)x)
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.ToList();
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}
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public StudentViewModel? Insert(StudentBindingModel model)
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{
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var newStudent = Student.Create(model);
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if (newStudent == null)
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{
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return null;
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}
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using var context = new SchoolDB();
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context.Students.Add(newStudent);
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context.SaveChanges();
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return newStudent;
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}
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public StudentViewModel? Update(StudentBindingModel model)
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{
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using var context = new SchoolDB();
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var Student = context.Students.FirstOrDefault(x => x.Id == model.Id);
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if (Student == null)
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{
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return null;
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}
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Student.Update(model);
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context.SaveChanges();
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return Student;
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}
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}
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}
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