PIbd-22_Bazunov_AI_Hotel/Hotel/HotelDatabaseImplement/Implements/CleaningInstrumentsStorage.cs

using HotelContracts.BindingModels;
using HotelContracts.SearchModels;
using HotelContracts.StoragesContracts;
using HotelContracts.ViewModels;
using HotelDatabaseImplement.Models;

namespace HotelDatabaseImplement.Implements;

public class CleaningInstrumentsStorage : ICleaningInstrumentsStorage
{
    public List<CleaningInstrumentsViewModel> GetFullList()
    {
        using var context = new HotelDataBase();
        return context.CleaningInstruments
            .Select(x => x.GetView)
            .ToList();
    }

    public List<CleaningInstrumentsViewModel> GetFilteredList(CleaningInstrumentsSearchModel model)
    {
        if (string.IsNullOrEmpty(model.Type))
        {
            return new List<CleaningInstrumentsViewModel>();
        }
        using var context = new HotelDataBase();
        return context.CleaningInstruments
            .Where(x => x.Type == model.Type)
            .Select(x => x.GetView)
            .ToList();
    }

    public CleaningInstrumentsViewModel? GetElement(CleaningInstrumentsSearchModel model)
    {
        if (!model.Id.HasValue) return null;
        using var context = new HotelDataBase();
        return context.CleaningInstruments.FirstOrDefault(x => x.Id == model.Id)?.GetView;
    }

    public CleaningInstrumentsViewModel? Insert(CleaningInstrumentsBindingModel model)
    {
        var item = CleaningInstruments.Create(model);

        using var context = new HotelDataBase();
        context.CleaningInstruments.Add(item);
        context.SaveChanges();

        return item.GetView;
    }

    public CleaningInstrumentsViewModel? Update(CleaningInstrumentsBindingModel model)
    {
        using var context = new HotelDataBase();
        var item = context.CleaningInstruments
            .FirstOrDefault(x => x.Id == model.Id);
        if (item == null) return null;
        
        item.Update(model);
        context.SaveChanges();
        return item.GetView;
    }

    public CleaningInstrumentsViewModel? Delete(CleaningInstrumentsBindingModel model)
    {
        using var context = new HotelDataBase();
        var item = context.CleaningInstruments
            .FirstOrDefault(x => x.Id == model.Id);
        if (item == null) return null;
        context.CleaningInstruments.Remove(item);
        context.SaveChanges();
        return item.GetView;
    }
}