ProductionPractice_replay/ViewModels/CategoryDataAccountViewModel.cs

using Avalonia.Controls;
using ReactiveUI;
using FinancialManagement.Views;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Avalonia.Media;
using FinancialManagement.Models;

namespace FinancialManagement.ViewModels
{
    public class CategoryDataAccountViewModel : ReactiveObject
    {
        ShmelevTeamContext ppContext;
        List<Category> categores;
        Category? categoryItem;
        int userIdLoad;
        string categoryTitle;
        int categoryIdFinance;
        string message = "";
        private IBrush colorMessage;

        public int UserIdLoad { get => userIdLoad; set => this.RaiseAndSetIfChanged(ref userIdLoad, value); }
        public int CategoryIdFinance { get => categoryIdFinance; set => this.RaiseAndSetIfChanged(ref categoryIdFinance, value); }
        public List<Category> Category { get => categores; set => this.RaiseAndSetIfChanged(ref categores, value); }
        public IBrush ColorMessage { get => colorMessage; set => this.RaiseAndSetIfChanged(ref colorMessage, value); }
        public Category? CategoryItem { get => categoryItem; set => categoryItem = value; }
        public string CategoryTitle { get => categoryTitle; set => this.RaiseAndSetIfChanged(ref categoryTitle, value); }
        public string Message { get => message; set => this.RaiseAndSetIfChanged(ref message, value); }

        public int LoadCategoryId(string categoryId)
        {
            int categoryId1 = -1;
            using (ShmelevTeamContext ppContext = new ShmelevTeamContext())
            {
                var financeCategory = ppContext.Categories
                .Where(f => f.Title == categoryId)
                .Select(f => f.CategoryId)
                .FirstOrDefault();
                categoryId1 = financeCategory;
            }
            return categoryId1;
        }
        public CategoryDataAccountViewModel()
        {
            categoryItem = new Category();
        }
        public CategoryDataAccountViewModel(ShmelevTeamContext ppContext, User currentUser)
        {
            UserIdLoad = currentUser.UserId;
            this.ppContext = ppContext;
            categoryItem = new Category();
        }
        public CategoryDataAccountViewModel(Category catItem, User currentUser, ShmelevTeamContext ppContext)
        {
            UserIdLoad = currentUser.UserId;
            this.ppContext = ppContext;
            this.categoryItem = catItem;
            categoryIdFinance = catItem.CategoryId;
            categoryTitle = catItem.Title;
        }
        public Dictionary<string, Category> GetDataFinance(User currentUser)
        {
            UserIdLoad = currentUser.UserId;
            if (CategoryIdFinance == null)
                return new Dictionary<string, Category> { { "1", null } };
            else if (CategoryTitle.Length > 50) return new Dictionary<string, Category> { { "2", null } };
            else
            {
                CategoryItem.IdUser = currentUser.UserId;
                CategoryItem.CategoryId = LoadCategoryId(CategoryTitle);
                CategoryItem.Title = CategoryTitle;
                return new Dictionary<string, Category> { { "4", CategoryItem } }; ;
            }
        }
    }
}