marechai/Marechai/Services/ScreensByMachineService.cs

/******************************************************************************
// MARECHAI: Master repository of computing history artifacts information
// ----------------------------------------------------------------------------
//
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// --[ License ] --------------------------------------------------------------
//
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as
//     published by the Free Software Foundation, either version 3 of the
//     License, or (at your option) any later version.
//
//     This program is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU General Public License for more details.
//
//     You should have received a copy of the GNU General Public License
//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2003-2026 Natalia Portillo
*******************************************************************************/

using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Marechai.Data.Dtos;
using Marechai.Database.Models;
using Microsoft.EntityFrameworkCore;

namespace Marechai.Services;

public class ScreensByMachineService(MarechaiContext context)
{
    public async Task<List<ScreenByMachineDto>> GetByMachine(int machineId) => await context.ScreensByMachine
                                                                                                  .Where(s => s.MachineId == machineId)
                                                                                                  .Select(s => new ScreenByMachineDto
                                                                                                   {
                                                                                                       Id        = s.Id,
                                                                                                       ScreenId  = s.ScreenId,
                                                                                                       MachineId = s.MachineId,
                                                                                                       Screen = new ScreenDto
                                                                                                       {
                                                                                                           Diagonal        = s.Screen.Diagonal,
                                                                                                           EffectiveColors = s.Screen.EffectiveColors,
                                                                                                           Height          = s.Screen.Height,
                                                                                                           Id              = s.Screen.Id,
                                                                                                           NativeResolution = new ResolutionDto
                                                                                                           {
                                                                                                               Chars     = s.Screen.NativeResolution.Chars,
                                                                                                               Colors    = s.Screen.NativeResolution.Colors,
                                                                                                               Grayscale = s.Screen.NativeResolution.Grayscale,
                                                                                                               Height    = s.Screen.NativeResolution.Height,
                                                                                                               Id        = s.Screen.NativeResolutionId,
                                                                                                               Palette   = s.Screen.NativeResolution.Palette,
                                                                                                               Width     = s.Screen.NativeResolution.Width
                                                                                                           },
                                                                                                           NativeResolutionId = s.Screen.NativeResolutionId,
                                                                                                           Type               = s.Screen.Type,
                                                                                                           Width              = s.Screen.Width
                                                                                                       }
                                                                                                   })
                                                                                                  .ToListAsync();

    public async Task DeleteAsync(long id, string userId)
    {
        ScreensByMachine item = await context.ScreensByMachine.FindAsync(id);

        if(item is null) return;

        context.ScreensByMachine.Remove(item);

        await context.SaveChangesWithUserAsync(userId);
    }

    public async Task<long> CreateAsync(int machineId, int screenId, string userId)
    {
        if(context.ScreensByMachine.Any(s => s.MachineId == machineId && s.ScreenId == screenId)) return 0;

        var item = new ScreensByMachine
        {
            ScreenId  = screenId,
            MachineId = machineId
        };

        await context.ScreensByMachine.AddAsync(item);
        await context.SaveChangesWithUserAsync(userId);

        return item.Id;
    }
}