CourseWork_Bank/Bank/BankDataBaseImplement/Implemets/ClercStorage.cs

using BankContracts.BindingModels;
using BankContracts.SearchModels;
using BankContracts.StoragesContracts;
using BankContracts.ViewModels;
using BankDataBaseImplement.Models;
using Microsoft.EntityFrameworkCore;

namespace BankDataBaseImplement.Implemets
{
    public class ClercStorage : IClercStorage
    {
        public ClercViewModel? Delete(ClercBindingModel model)
        {
            using var context = new BankDataBase();

            var element = context.Clercs.FirstOrDefault(rec => rec.Id == model.Id);

            if (element != null)
            {
                context.Clercs.Remove(element);
                context.SaveChanges();

                return element.GetViewModel;
            }

            return null;
        }

        public ClercViewModel? GetElement(ClercSearchModel model)
        {
            using var context = new BankDataBase();
            
            if (model.Id.HasValue)
                return context.Clercs
                    .Include(x => x.Additions)
                    .Include(x => x.Members)
                    .Include(x => x.Conferences)
                    .FirstOrDefault(x => x.Id == model.Id)?
                    .GetViewModel;
            
            if (!string.IsNullOrEmpty(model.ClercLogin) && !string.IsNullOrEmpty(model.ClercPassword))
                return context.Clercs
                    .Include(x => x.Additions)
                    .Include(x => x.Members)
                    .Include(x => x.Conferences)
                    .FirstOrDefault(x => x.ClercLogin.Equals(model.ClercLogin) && x.ClercPassword.Equals(model.ClercPassword))?
                    .GetViewModel;
            
            if (!string.IsNullOrEmpty(model.ClercLogin))
                return context.Clercs
                    .Include(x => x.Additions)
                    .Include(x => x.Members)
                    .Include(x => x.Conferences)
                    .FirstOrDefault(x => x.ClercLogin.Equals(model.ClercLogin))?
                    .GetViewModel;
            
            return null;
        }

        public List<ClercViewModel> GetFilteredList(ClercSearchModel model)
        {
            if (string.IsNullOrEmpty(model.ClercFIO))
            {
                return new();
            }

            using var context = new BankDataBase();

            return context.Clercs
                .Include(x => x.Additions)
                .Include(x => x.Members)
                .Include(x => x.Conferences)
                .Where(x => x.ClercLogin.Contains(model.ClercLogin) && x.ClercPassword == model.ClercPassword)
                .Select(x => x.GetViewModel)
                .ToList();
        }

        public List<ClercViewModel> GetFullList()
        {
            using var context = new BankDataBase();

            return context.Clercs
                .Select(x => x.GetViewModel)
                .ToList();
        }

        public ClercViewModel? Insert(ClercBindingModel model)
        {
            var newOrganiser = Clerc.Create(model);

            if (newOrganiser == null)
            {
                return null;
            }

            using var context = new BankDataBase();

            context.Clercs.Add(newOrganiser);
            context.SaveChanges();

            return newOrganiser.GetViewModel;
        }

        public ClercViewModel? Update(ClercBindingModel model)
        {
            using var context = new BankDataBase();

            var organiser = context.Clercs
                .FirstOrDefault(x => x.Id == model.Id);

            if (organiser == null)
            {
                return null;
            }

            organiser.Update(model);
            context.SaveChanges();

            return organiser.GetViewModel;
        }
    }
}