Rogashova_E.A._CourseWork_Hospital/HospitalDataBaseImplements/Implements/RecipesStorage.cs

using HospitalContracts.BindingModels;
using HospitalContracts.SearchModels;
using HospitalContracts.StoragesContracts;
using HospitalContracts.ViewModels;
using HospitalDataBaseImplements.Models;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HospitalDataBaseImplements.Implements
{
    public class RecipesStorage : IRecipesStorage
    {
        public RecipesViewModel? Delete(RecipesBindingModel model)
        {
            using var context = new HospitalDatabase();
            var element = context.Recipes.Include(x => x.Procedures).FirstOrDefault(rec => rec.Id == model.Id);
            if (element != null)
            {
                context.Recipes.Remove(element);
                context.SaveChanges();
                return element.GetViewModel;
            }
            return null;
        }

        public RecipesViewModel? GetElement(RecipesSearchModel model)
        {
            if (!model.Id.HasValue)
            {
                return null;
            }
            using var context = new HospitalDatabase();
            return context.Recipes.
                Include(x => x.Client).
                Include(x => x.Procedures).
                ThenInclude(x => x.Procedure).
                Include(x => x.Medicines).
                FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?
                .GetViewModel;
        }

        public List<RecipesViewModel> GetFilteredList(RecipesSearchModel model)
        {
            if (model is null)
            {
                return new();
            }
            using var context = new HospitalDatabase();

                return context.Recipes.
                Include(x => x.Procedures).
                ThenInclude(x => x.Procedure)
                    .Include(x => x.Medicines)
                    .Include(x => x.Client)
                    .Where(x => x.ClientId == model.ClientId)
                    .Select(x => x.GetViewModel)
                    .ToList();
        }

        public List<RecipesViewModel> GetFullList()
        {
            using var context = new HospitalDatabase();
            return context.Recipes.Include(x => x.Procedures).
                    ThenInclude(x => x.Procedure)
                        .Include(x => x.Medicines)
                        .Include(x => x.Client)
                        .Select(x => x.GetViewModel)
                        .ToList();
        }

        public RecipesViewModel? Insert(RecipesBindingModel model)
        {
            using var context = new HospitalDatabase();
            var newDrugCourse = Recipes.Create(model);
            if (newDrugCourse == null)
            {
                return null;
            }
            context.Recipes.Add(newDrugCourse);
            context.SaveChanges();
            return context.Recipes
                .Include(x => x.Procedures)
                .ThenInclude(x => x.Procedure)
                .Include(x => x.Medicines)
                .Include(x => x.Client)
                .FirstOrDefault(x => x.Id == newDrugCourse.Id)
                ?.GetViewModel;
        }

        public RecipesViewModel? Update(RecipesBindingModel model)
        {
            using var context = new HospitalDatabase();
            var recipe = context.Recipes.FirstOrDefault(x => x.Id == model.Id);
            if (recipe == null)
            {
                return null;
            }
            recipe.Update(model);
            context.SaveChanges();
            return recipe.GetViewModel;
        }
    }
}