SYBD_2024/ConstructionFirmDatabaseImplement/Implements/SpecialtyStorage.cs

using ConstructionFirmDatabaseImplement.Models;
using Subd_4.BindingModels;
using Subd_4.SearchModels;
using Subd_4.StoragesContracts;
using Subd_4.ViewModels;

namespace ConstructionFirmDatabaseImplement.Implements
{
    public class SpecialtyStorage : ISpecialtyStorage
    {
        public List<SpecialtyViewModel> GetFilteredList(SpecialtySearchModel model)
        {
            if (string.IsNullOrEmpty(model.SpecialtyName))
            {
                return new();
            }
            using var context = new ConstructionFirmDatabase();
            return context.Specialtys.Where(x => x.SpecialtyName.Contains(model.SpecialtyName)).Select(x => x.GetViewModel).ToList();
        }

        public List<SpecialtyViewModel> GetFullList()
        {
            using var context = new ConstructionFirmDatabase();
            return context.Specialtys.Select(x => x.GetViewModel).ToList();
        }

        public SpecialtyViewModel? Delete(SpecialtyBindingModel model)
        {
            using var context = new ConstructionFirmDatabase();
            var element = context.Specialtys.FirstOrDefault(x => x.Id == model.Id);
            if (element != null)
            {
                context.Specialtys.Remove(element);
                context.SaveChanges();
                return element.GetViewModel;
            }
            return null;
        }

        public SpecialtyViewModel? GetElement(SpecialtySearchModel model)
        {
            using var context = new ConstructionFirmDatabase();
            return context.Specialtys.FirstOrDefault(x => (!string.IsNullOrEmpty(model.SpecialtyName)) && x.SpecialtyName == model.SpecialtyName || model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
        }

        public SpecialtyViewModel? Insert(SpecialtyBindingModel model)
        {
            var newSpecialty = Specialty.Create(model);
            if (newSpecialty == null)
            {
                return null;
            }
            using var context = new ConstructionFirmDatabase();
            context.Specialtys.Add(newSpecialty);
            context.SaveChanges();
            return newSpecialty.GetViewModel;
        }

        public SpecialtyViewModel? Update(SpecialtyBindingModel model)
        {
            using var context = new ConstructionFirmDatabase();
            var component = context.Specialtys.FirstOrDefault(x => x.Id == model.Id);
            if (component == null)
            {
                return null;
            }
            component.Update(model);
            context.SaveChanges();
            return component.GetViewModel;
        }
    }
}