90 lines
3.0 KiB
C#
90 lines
3.0 KiB
C#
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using ComputerShopContracts.BindingModels;
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using ComputerShopContracts.SearchModels;
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using ComputerShopContracts.StorageContracts;
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using ComputerShopContracts.ViewModels;
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using ComputerShopDatabaseImplement.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 ComputerShopDatabaseImplement.Implements
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{
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internal class ComponentStorage : IComponentStorage
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{
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public List<ComponentViewModel> GetFullList()
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{
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using var context = new ComputerShopDatabase();
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return context.Components
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public List<ComponentViewModel> GetFilteredList(ComponentSearchModel
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model)
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{
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if (string.IsNullOrEmpty(model.ComponentName))
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{
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return new();
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}
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using var context = new ComputerShopDatabase();
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return context.Components
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.Where(x => x.ComponentName.Contains(model.ComponentName))
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public ComponentViewModel? GetElement(ComponentSearchModel model)
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{
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if (string.IsNullOrEmpty(model.ComponentName) && !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 ComputerShopDatabase();
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return context.Components
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.FirstOrDefault(x =>
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(!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName ==
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model.ComponentName) ||
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(model.Id.HasValue && x.Id == model.Id))
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?.GetViewModel;
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}
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public ComponentViewModel? Insert(ComponentBindingModel model)
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{
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var newComponent = Component.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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using var context = new ComputerShopDatabase();
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context.Components.Add(newComponent);
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context.SaveChanges();
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return newComponent.GetViewModel;
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}
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public ComponentViewModel? Update(ComponentBindingModel model)
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{
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using var context = new ComputerShopDatabase();
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var component = context.Components.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(model);
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context.SaveChanges();
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return component.GetViewModel;
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}
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public ComponentViewModel? Delete(ComponentBindingModel model)
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{
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using var context = new ComputerShopDatabase();
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var element = context.Components.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.Components.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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