MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using MahApps.Metro.Controls;
using MahApps.Metro.Controls.Dialogs;
using Newtonsoft.Json;
using System.Text.Encodings.Web;
using System.Text.Unicode;
using System.Collections.ObjectModel;
using EasyService.Models;
using System.Diagnostics;
using EasyService.Views;

namespace EasyService {
	public partial class MainWindow : MetroWindow {
		public readonly string mac = HelperMethods.GetBeautiMacAddress();
		public ObservableCollection<RequestInfo> Requests;
		public ProgressDialogController controller;
		private readonly MainWindowViewModel viewModel;
		private bool allowSelection;
		public bool launch = false;
		public MainWindow() {
			InitializeComponent();
			viewModel = (MainWindowViewModel)DataContext;
			viewModel.mainWindow = this;
			LaunchApp();
		}
		public async void LaunchApp() {
			controller = await this.ShowProgressAsync("Загрузка приложения", "Пожалуйста подождите...");
			controller.SetIndeterminate();
			ipv4.Text = "IP: " + HelperMethods.GetIPv4();
			hostName.Text = System.Security.Principal.WindowsIdentity.GetCurrent().Name;
			await RefreshWelcomePageAndRequestsList();
			mainContentControl.Content = new Views.Welcome();
			allowSelection = true;
		}
		public async Task RefreshWelcomePageAndRequestsList() {
			allowSelection = false;
			Refresh_Button.IsEnabled = false;
			if (!launch) {
				GetWelcomeText();
			}
			try {
				var client = new HttpClient();
				client.DefaultRequestHeaders.Add("Checker", viewModel.cheker);
				var responseBody = await client.GetStringAsync($"{viewModel.addres}/api/v1/{mac}/requests");
				var requestsFromJson = JsonConvert.DeserializeObject<List<RequestInfo>>(responseBody);
				Requests = new ObservableCollection<RequestInfo>();
				foreach (var item in requestsFromJson) {
					switch (item.Status) {
						case "В обработке":
							Requests.Add(new RequestInfo {
								Id = item.Id,
								Status = item.Status,
								IdName = "Заявка №" + item.Id,
								CreatedAt = item.Topic,
								Icon = "ClipboardTextClockOutline",
								IconColor = "#00cfcf"
							});
							break;
						case "В работе":
							Requests.Add(new RequestInfo {
								Id = item.Id,
								Status = item.Status,
								IdName = "Заявка №" + item.Id,
								CreatedAt = item.Topic,
								Icon = "ProgressWrench",
								IconColor = "#e06900"
							});
							break;
						case "Завершено":
							Requests.Add(new RequestInfo {
								Id = item.Id,
								Status = item.Status,
								IdName = "Заявка №" + item.Id,
								CreatedAt = item.Topic,
								Icon = "CheckCircleOutline",
								IconColor = "#85de00"
							});
							break;
						case "Отменено":
							Requests.Add(new RequestInfo {
								Id = item.Id,
								Status = item.Status,
								IdName = "Заявка №" + item.Id,
								CreatedAt = item.Topic,
								Icon = "CloseCircleOutline",
								IconColor = "#b30000"
							});
							break;
						default:
							Requests.Add(new RequestInfo {
								Id = item.Id,
								Status = item.Status,
								IdName = "Заявка №" + item.Id,
								CreatedAt = item.Topic,
								Icon = "HelpCircleOutline",
								IconColor = "#f5f5f5"
							});
							break;
					}
				}
				RequestsList.ItemsSource = Requests;
				if (RequestsList.Items.Count > 0) {
					RequestsList.ScrollIntoView(RequestsList.Items[0]);
				}
				launch = true;
				if (controller.IsOpen) {
					await controller.CloseAsync();
				}
			}
			catch {
				if (controller.IsOpen) {
					await controller.CloseAsync();
				}
				_ = await this.ShowMessageAsync("Ошибка", "Отсутствует соединение с сервером");
				if (Requests != null) {
					Requests.Clear();
				}
				ShowNetworkProblem();
				launch = false;
			}
			Refresh_Button.IsEnabled = true;
			allowSelection = true;
		}
		public async void GetWelcomeText() {
			try {
				var client = new HttpClient();
				client.DefaultRequestHeaders.Add("Checker", viewModel.cheker);
				var responseBody = await client.GetStringAsync($"{viewModel.addres}/api/v1/info");
				var requestsFromJson = JsonConvert.DeserializeObject<Options>(responseBody);
				viewModel.WelcomeText = requestsFromJson.WelcomeTextApp;
				viewModel.WelcomeIconType = "CommentAlertOutline";
				viewModel.WelcomeIconColor = "#ffffff";
				Title = requestsFromJson.CompanyName;
			}
			catch { }
		}
		public void ShowNetworkProblem() {
			viewModel.WelcomeText = "Отсутствует соединение с сервером";
			viewModel.WelcomeIconType = "AlertOutline";
			viewModel.WelcomeIconColor = "#e8b600";
		}
		public void RequestsListSelectionChanged(object sender, SelectionChangedEventArgs e) {
			LoadRequestPage();
		}
		public async void LoadRequestPage() {
			if (allowSelection) {
				ScrollViewerForUserControl.ScrollToTop();
				var requestInfo = (RequestInfo)RequestsList.SelectedItem;
				controller = await this.ShowProgressAsync("Загрузка заявки", "Пожалуйста подождите...");
				controller.SetIndeterminate();
				mainContentControl.Content = new RequestShow(viewModel, requestInfo.Id, requestInfo.Status);
				Button_Create.Visibility = Visibility.Hidden;
				Button_Close.Visibility = Visibility.Visible;
			}
		}
		private async void Button_Refresh_Click(object sender, RoutedEventArgs e) {
			await Refresh();
		}
		public async Task Refresh(bool needAgainLoadRequestpage = true) {
			var selectedItemIndex = RequestsList.SelectedIndex;
			if (mainContentControl.Content is RequestShow && RequestsList.SelectedItem != null && needAgainLoadRequestpage) {
				LoadRequestPage();
			}
			await RefreshWelcomePageAndRequestsList();
			if (selectedItemIndex != -1) {
				allowSelection = false;
				RequestsList.SelectedItem = RequestsList.Items[selectedItemIndex];
				allowSelection = true;
			}
		}
		private void Button_Phone_Click(object sender, RoutedEventArgs e) {
			_ = Process.Start("explorer.exe", viewModel.addres + "/contacts");
		}
		private void Button_Doc_Click(object sender, RoutedEventArgs e) {
			_ = Process.Start("explorer.exe", viewModel.addres + "/docs");
		}
		private void Button_Web_Click(object sender, RoutedEventArgs e) {
			_ = Process.Start("explorer.exe", viewModel.addres);
		}
		private void Button_Create_Click(object sender, RoutedEventArgs e) {
			ScrollViewerForUserControl.ScrollToTop();
			mainContentControl.Content = new RequestForm(viewModel);
			Button_Create.Visibility = Visibility.Hidden;
			Button_Close.Visibility = Visibility.Visible;
		}
		public void CloseAnyForm() {
			allowSelection = false;
			RequestsList.SelectedItem = null;
			allowSelection = true;
			mainContentControl.Content = new Welcome();
			Button_Create.Visibility = Visibility.Visible;
			Button_Close.Visibility = Visibility.Hidden;
		}
		private void Button_Close_Click(object sender, RoutedEventArgs e) {
			CloseAnyForm();
		}
	}
}