85 lines
2.5 KiB
C#
85 lines
2.5 KiB
C#
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using Microsoft.EntityFrameworkCore;
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using SchoolScheduleContracts.BindingModels;
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using SchoolScheduleContracts.SearchModels;
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using SchoolScheduleContracts.StoragesContracts;
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using SchoolScheduleContracts.ViewModels;
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using SchoolScheduleDataBaseImplement.Models;
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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 SchoolScheduleDataBaseImplement.Implements
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{
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public class GradeStorage : IGradeStorage
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{
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public List<GradeViewModel> GetFullList()
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{
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using var context = new SchoolScheduleDataBase();
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return context.Grades.Include(x => x.Teacher)
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public List<GradeViewModel> GetFilteredList(GradeSearchModel model)
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{
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using var context = new SchoolScheduleDataBase();
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return context.Grades.Include(x => x.Teacher)
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.Where(x => (!model.Id.HasValue || x.Id == model.Id) && (!model.Letter.HasValue || x.Letter == model.Letter)
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&& (!model.Year.HasValue || x.Year == model.Year))
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public GradeViewModel? GetElement(GradeSearchModel model)
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{
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if (!model.Id.HasValue && (!model.Letter.HasValue || !model.Year.HasValue))
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{
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return null;
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}
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using var context = new SchoolScheduleDataBase();
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return context.Grades.Include(x => x.Teacher)
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.FirstOrDefault(x =>
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(model.Id.HasValue && x.Id == model.Id) || (model.Letter.HasValue && model.Year.HasValue && x.Year == model.Year && x.Letter == model.Letter))
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?.GetViewModel;
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}
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public GradeViewModel? Insert(GradeBindingModel model)
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{
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using var context = new SchoolScheduleDataBase();
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var newComponent = Grade.Create(context, 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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context.Grades.Add(newComponent);
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context.SaveChanges();
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return newComponent.GetViewModel;
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}
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public GradeViewModel? Update(GradeBindingModel model)
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{
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using var context = new SchoolScheduleDataBase();
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var component = context.Grades.FirstOrDefault(x => x.Id ==
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model.Id);
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if (component == null)
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{
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return null;
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}
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component.Update(context, model);
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context.SaveChanges();
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return component.GetViewModel;
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}
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public GradeViewModel? Delete(GradeBindingModel model)
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{
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using var context = new SchoolScheduleDataBase();
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var element = context.Grades.FirstOrDefault(rec => rec.Id ==
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model.Id);
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if (element != null)
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{
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context.Grades.Remove(element);
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context.SaveChanges();
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return element.GetViewModel;
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}
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return null;
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}
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}
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}
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