public async Task <List <int> > FindFile(string file_name, bool withDeps = true)
        {
            Package package = InstalledPackages.FirstOrDefault(x => x.FilesContained.Contains(file_name));

            if (package != default)
            {
                return new List <int>()
                       {
                           package.PackageId
                       }
            }
            ;

            lock (CachedPackages)
                package = CachedPackages.FirstOrDefault(x => x.FilesContained.Contains(file_name));

            if (package != default)
            {
                return new List <int>()
                       {
                           package.PackageId
                       }
            }
            ;

            Package onlinePackage = await WebWrapper.SearchForFile(file_name);

            if (onlinePackage != null && onlinePackage.PackageId > 0)
            {
                lock (CachedPackages)
                {
                    if (!CachedPackages.Any(x => x.PackageId == onlinePackage.PackageId))
                    {
                        CachedPackages.Add(onlinePackage);
                    }
                }

                HashSet <int> dependencyPkgIds = new HashSet <int>();

                if (withDeps)
                {
                    await GetDependencies(new HashSet <int>() { onlinePackage.PackageId }, dependencyPkgIds);
                }

                return(new List <int>()
                {
                    onlinePackage.PackageId
                }.Union(dependencyPkgIds).ToList());
            }

            return(new List <int>());
        }
        public async Task ReceiveMSMQ()
        {
            string           queueFile  = Path.Combine(Path.GetTempPath(), "DLS.queue");
            HashSet <string> queuedPkgs = File.Exists(queueFile) ? File.ReadAllText(queueFile).Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).ToHashSet() : new HashSet <string>();

            if (queuedPkgs.Count > 0)
            {
                MainWindow.Dispatcher.Invoke(() => { MainWindow.Activate(); });
                if (await CheckLogin(1) < 0 || App.IsDownloading)
                {
                    File.WriteAllText(queueFile, string.Empty);
                    return;
                }

                int idToDownload = Convert.ToInt32(queuedPkgs.PopOne());

                if (!InstalledPackages.Exists(x => x.PackageId == idToDownload))
                {
                    Task.Run(async() =>
                    {
                        Package packageToDownload = await WebWrapper.GetPackage(idToDownload);
                        lock (CachedPackages)
                        {
                            if (!CachedPackages.Any(x => x.PackageId == packageToDownload.PackageId))
                            {
                                CachedPackages.Add(packageToDownload);
                            }
                        }

                        if (packageToDownload.IsPaid)
                        {
                            App.Window.Dispatcher.Invoke(() =>
                            {
                                MainWindow.ErrorDialog = new ContentDialog()
                                {
                                    Title               = "Cannot download package",
                                    Content             = "This is paid package. Paid packages cannot be downloaded through this app.",
                                    SecondaryButtonText = "OK",
                                    Owner               = App.Window
                                };

                                MainWindow.ErrorDialog.ShowAsync();
                            });

                            return;
                        }

                        HashSet <int> depsPkgs = new HashSet <int>();
                        await GetDependencies(new HashSet <int>()
                        {
                            packageToDownload.PackageId
                        }, depsPkgs);
                        HashSet <int> packageIds = new HashSet <int>()
                        {
                            packageToDownload.PackageId
                        }.Union(depsPkgs).ToHashSet();

                        if (packageIds.Count > 0)
                        {
                            App.IsDownloading = true;
                            MainWindow.Dispatcher.Invoke(() => { MainWindow.DownloadDialog.ShowAsync(); });
                            await MainWindow.DownloadDialog.DownloadPackages(packageIds, CachedPackages, InstalledPackages, WebWrapper, SqLiteAdapter);
                            App.IsDownloading = false;
                        }
                        else
                        {
                            new Task(() =>
                            {
                                App.Window.Dispatcher.Invoke(() =>
                                {
                                    MainWindow.ErrorDialog = new ContentDialog()
                                    {
                                        Title               = "Cannot download packages",
                                        Content             = "An error ocured when trying to install package.",
                                        SecondaryButtonText = "OK",
                                        Owner               = App.Window
                                    };

                                    MainWindow.ErrorDialog.ShowAsync();
                                });
                            }).Start();
                        }
                    }).Wait();
                }
                else
                {
                    App.Window.Dispatcher.Invoke(() =>
                    {
                        MainWindow.ErrorDialog = new ContentDialog()
                        {
                            Title               = "Cannot download package",
                            Content             = "This package is already downloaded.",
                            SecondaryButtonText = "OK",
                            Owner               = App.Window
                        };

                        MainWindow.ErrorDialog.ShowAsync();
                    });
                }

                File.WriteAllText(queueFile, string.Join(",", queuedPkgs));
                await ReceiveMSMQ();
            }
        }
Example #3
0
        public async Task ReceiveMSMQ()
        {
            string           queueFile  = Path.Combine(Path.GetTempPath(), "DLS.queue");
            HashSet <string> queuedPkgs = File.Exists(queueFile) ? File.ReadAllText(queueFile).Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).ToHashSet() : new HashSet <string>();

            if (queuedPkgs.Count > 0)
            {
                MainWindow.Dispatcher.Invoke(() => { MainWindow.Activate(); });
                if (!await Utils.CheckLogin(async delegate
                {
                    await ReceiveMSMQ();
                    MSMQRunning = false;
                }, MainWindow, ApiUrl) || App.IsDownloading)
                {
                    //File.WriteAllText(queueFile, string.Empty);
                    return;
                }

                int idToDownload = Convert.ToInt32(queuedPkgs.PopOne());

                if (!InstalledPackages.Exists(x => x.PackageId == idToDownload))
                {
                    Task.Run(async() =>
                    {
                        Package packageToDownload = await WebWrapper.GetPackage(idToDownload);
                        lock (CachedPackages)
                        {
                            if (!CachedPackages.Any(x => x.PackageId == packageToDownload.PackageId))
                            {
                                CachedPackages.Add(packageToDownload);
                            }
                        }

                        if (packageToDownload.IsPaid)
                        {
                            App.Window.Dispatcher.Invoke(() =>
                            {
                                MainWindow.ErrorDialog = new ContentDialog()
                                {
                                    Title               = Localization.Strings.CantDownload,
                                    Content             = Localization.Strings.PaidPackageFail,
                                    SecondaryButtonText = Localization.Strings.Ok,
                                    Owner               = App.Window
                                };

                                MainWindow.ErrorDialog.ShowAsync();
                            });

                            return;
                        }

                        HashSet <int> depsPkgs = new HashSet <int>();
                        await GetDependencies(new HashSet <int>()
                        {
                            packageToDownload.PackageId
                        }, depsPkgs);
                        HashSet <int> packageIds = new HashSet <int>()
                        {
                            packageToDownload.PackageId
                        }.Union(depsPkgs).ToHashSet();

                        if (packageIds.Count > 0)
                        {
                            App.IsDownloading = true;
                            MainWindow.Dispatcher.Invoke(() => { MainWindow.DownloadDialog.ShowAsync(); });
                            await MainWindow.DownloadDialog.DownloadPackages(packageIds, CachedPackages, InstalledPackages, WebWrapper, SqLiteAdapter);
                            App.IsDownloading = false;
                        }
                        else
                        {
                            new Task(() =>
                            {
                                App.Window.Dispatcher.Invoke(() =>
                                {
                                    MainWindow.ErrorDialog = new ContentDialog()
                                    {
                                        Title               = Localization.Strings.CantDownload,
                                        Content             = Localization.Strings.InstalFail,
                                        SecondaryButtonText = Localization.Strings.Ok,
                                        Owner               = App.Window
                                    };

                                    MainWindow.ErrorDialog.ShowAsync();
                                });
                            }).Start();
                        }
                    }).Wait();
                }
                else
                {
                    App.Window.Dispatcher.Invoke(() =>
                    {
                        MainWindow.ErrorDialog = new ContentDialog()
                        {
                            Title               = Localization.Strings.CantDownload,
                            Content             = Localization.Strings.AlreadyInstalFail,
                            SecondaryButtonText = Localization.Strings.Ok,
                            Owner               = App.Window
                        };

                        MainWindow.ErrorDialog.ShowAsync();
                    });
                }

                File.WriteAllText(queueFile, string.Join(",", queuedPkgs));
                await ReceiveMSMQ();
            }
        }