Upload files to 'STODataBaseImplement'

STODataBaseImplement/WorkStorage.cs

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+using Microsoft.EntityFrameworkCore;
+using STOContracts.BindingModels;
+using STOContracts.SearchModels;
+using STOContracts.StorageContracts;
+using STOContracts.ViewModels;
+using STODatabaseImplement;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DatabaseImplement
+{
+    public class WorkStorage : IWorkStorage
+    {
+        public List<WorkViewModel> GetFullList()
+        {
+            using var context = new STODatabase();
+            return context.Works
+            .Include(x => x.CarPartCar)
+            .ThenInclude(x => x.CarPart)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<WorkViewModel> GetFilteredList(WorkSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new STODatabase();
+            return context.Works.Include(x => x.CarPartCar)
+            .ThenInclude(x => x.CarPart)
+            .Where(x => x.Id == model.Id)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public WorkViewModel? GetElement(WorkSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new STODatabase();
+            return context.Works
+             .Include(x => x.CarPartCar)
+             .ThenInclude(x => x.CarPart)
+             .FirstOrDefault(x => x.Id == model.Id)
+            ?.GetViewModel;
+        }
+        public WorkViewModel? Insert(WorkBindingModel model)
+        {
+            using var context = new STODatabase();
+            var newWork = Work.Create(context, model);
+            if (newWork == null)
+            {
+                return null;
+            }
+            context.Works.Add(newWork);
+            context.SaveChanges();
+            return newWork.GetViewModel;
+        }
+        public WorkViewModel? Update(WorkBindingModel model)
+        {
+            using var context = new STODatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var car = context.Works.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (car == null)
+                {
+                    return null;
+                }
+                car.Update(model);
+                context.SaveChanges();
+                car.UpdateCarParts(context, model);
+                transaction.Commit();
+                return car.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public WorkViewModel? Delete(WorkBindingModel model)
+        {
+            using var context = new STODatabase();
+            var element = context.Works
+            .Include(x => x.CarPartCar)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Works.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

STODataBaseImplement/WorkTechnicalWork.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DatabaseImplement
+{
+    public class WorkTechnicalWork
+    {
+        public int Id { get; set; }
+        [Required]
+        public int TechnicalWorkId { get; set; }
+        [Required]
+        public int WorkId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual TechnicalWork TechnicalWork { get; set; } = new();
+        public virtual Work Work { get; set; } = new();
+    }
+}