Search results grid context menu for multiple selected items

LibgenDesktop.Setup/Constants.cs

@@ -2,8 +2,8 @@
 {
     internal static class Constants
     {
-        public const string CURRENT_VERSION = "1.3.0";
-        public const string TITLE_VERSION = "1.3.0";
+        public const string CURRENT_VERSION = "1.3.1";
+        public const string TITLE_VERSION = "1.3.1";
         public const string PRODUCT_TITLE_FORMAT = "Libgen Desktop " + TITLE_VERSION + " ({0}-bit)";
         public const string SHORTCUT_TITLE_FORMAT = "Libgen Desktop ({0}-bit)";
         public const string PRODUCT_COMPANY = "Libgen Apps";

LibgenDesktop/Common/Constants.cs

@@ -5,9 +5,9 @@ namespace LibgenDesktop.Common
     internal static class Constants
     {
         public const string DATABASE_METADATA_APP_NAME = "LibgenDesktop";
-        public const string CURRENT_VERSION = "1.3.0";
-        public const string CURRENT_GITHUB_RELEASE_NAME = "1.3.0";
-        public static readonly DateTime CURRENT_GITHUB_RELEASE_DATE = new DateTime(2019, 5, 22);
+        public const string CURRENT_VERSION = "1.3.1";
+        public const string CURRENT_GITHUB_RELEASE_NAME = "1.3.1";
+        public static readonly DateTime CURRENT_GITHUB_RELEASE_DATE = new DateTime(2019, 5, 30);
         public const string CURRENT_DATABASE_VERSION = "1.2.1";
 
         public const string APP_SETTINGS_FILE_NAME = "libgen.config";
@@ -119,6 +119,7 @@ internal static class Constants
         public const double SYNCHRONIZATION_PROGRESS_UPDATE_INTERVAL = 0.1;
         public const int DATABASE_TRANSACTION_BATCH = 500;
         public const int MAX_EXPORT_ROWS_PER_FILE = 1048575;
+        public const int LARGE_NUMBER_OF_ITEMS_TO_DOWNLOAD_WARNING_THRESHOLD = 1000;
         public const int MIN_DOWNLOAD_TIMEOUT = 15;
         public const int MAX_DOWNLOAD_TIMEOUT = 9999;
         public const int DEFAULT_DOWNLOAD_TIMEOUT = 120;

LibgenDesktop/Common/Environment.cs

@@ -1,7 +1,5 @@
 using System;
 using System.IO;
-using System.Linq;
-using System.Management;
 using System.Reflection;
 using Microsoft.Win32;
 using static LibgenDesktop.Common.Constants;
@@ -10,6 +8,7 @@ namespace LibgenDesktop.Common
 {
     internal static class Environment
     {
+        private const string WINDOWS_NT_CURRENT_VERSION_REGISTRY_KEY = @"SOFTWARE\Microsoft\Windows NT\CurrentVersion\";
         private const string NET_FRAMEWORK_REGISTRY_KEY = @"SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full\";
 
         static Environment()
@@ -56,13 +55,16 @@ static Environment()
 
         private static string GetOsVersion()
         {
-            ManagementObject osInfo = new ManagementObjectSearcher("SELECT * FROM Win32_OperatingSystem").Get().OfType<ManagementObject>().FirstOrDefault();
-            if (osInfo != null)
-            {
-                return $"{osInfo.Properties["Caption"].Value.ToString()} {osInfo.Properties["Version"].Value.ToString()} {osInfo.Properties["OSArchitecture"].Value.ToString()}";
-            }
-            else
+            using (RegistryKey windowsNtCurrentVersionRegistryKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Default).
+                OpenSubKey(WINDOWS_NT_CURRENT_VERSION_REGISTRY_KEY))
             {
+                if (windowsNtCurrentVersionRegistryKey != null)
+                {
+                    string productName = windowsNtCurrentVersionRegistryKey.GetValue("ProductName")?.ToString() ?? "Unknown";
+                    string releaseId = windowsNtCurrentVersionRegistryKey.GetValue("ReleaseId")?.ToString() ?? "Unknown";
+                    string build = windowsNtCurrentVersionRegistryKey.GetValue("CurrentBuildNumber")?.ToString() ?? "Unknown";
+                    return $"{productName} (release: {releaseId}, build: {build})";
+                }
                 return "Unknown";
             }
         }
@@ -79,9 +81,17 @@ private static string GetNetFrameworkVersion()
                     {
                         if (Int32.TryParse(releaseValue.ToString(), out int releaseNumber))
                         {
-                            if (releaseNumber >= 461308)
+                            if (releaseNumber >= 528040)
+                            {
+                                return "4.8 or later";
+                            }
+                            else if (releaseNumber >= 461808)
+                            {
+                                return "4.7.2";
+                            }
+                            else if (releaseNumber >= 461308)
                             {
-                                return "4.7.1 or later";
+                                return "4.7.1";
                             }
                             else if (releaseNumber >= 460798)
                             {

LibgenDesktop/LibgenDesktop.csproj

@@ -93,7 +93,6 @@
     </Reference>
     <Reference Include="System.Drawing" />
     <Reference Include="System.IO.Compression" />
-    <Reference Include="System.Management" />
     <Reference Include="System.Net.Http.WebRequest" />
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Security" />
@@ -150,6 +149,7 @@
     <Compile Include="Models\Download\DownloadItemAddedEventArgs.cs" />
     <Compile Include="Models\Download\DownloadItemLogLine.cs" />
     <Compile Include="Models\Download\DownloadItemLogLineType.cs" />
+    <Compile Include="Models\Download\DownloadItemRequest.cs" />
     <Compile Include="Models\Download\DownloadItemStatus.cs" />
     <Compile Include="Models\Download\DownloadQueueStorage.cs" />
     <Compile Include="Models\Entities\DatabaseMetadata.cs" />
@@ -234,6 +234,7 @@
     <Compile Include="Models\SqlDump\TableType.cs" />
     <Compile Include="Models\Update\GitHubApiRelease.cs" />
     <Compile Include="Models\Update\Updater.cs" />
+    <Compile Include="Models\Utils\ExceptionUtils.cs" />
     <Compile Include="Models\Utils\FileUtils.cs" />
     <Compile Include="Models\Utils\NetworkUtils.cs" />
     <Compile Include="Models\Utils\StringExtensions.cs" />
@@ -249,9 +250,11 @@
     <Compile Include="ViewModels\Library\FictionScanResultItemViewModel.cs" />
     <Compile Include="ViewModels\Library\NonFictionScanResultItemViewModel.cs" />
     <Compile Include="ViewModels\Library\ScanResultItemViewModel.cs" />
+    <Compile Include="ViewModels\Tabs\ISearchResultsTabViewModel.cs" />
     <Compile Include="ViewModels\SearchResultItems\SciMagSearchResultItemViewModel.cs" />
     <Compile Include="ViewModels\SearchResultItems\FictionSearchResultItemViewModel.cs" />
     <Compile Include="ViewModels\SearchResultItems\NonFictionSearchResultItemViewModel.cs" />
+    <Compile Include="ViewModels\Tabs\ITabViewModel.cs" />
     <Compile Include="ViewModels\Windows\ApplicationUpdateWindowViewModel.cs" />
     <Compile Include="ViewModels\Tabs\DetailsTabViewModel.cs" />
     <Compile Include="ViewModels\Windows\AboutWindowViewModel.cs" />
@@ -286,6 +289,7 @@
     <Compile Include="ViewModels\Tabs\SearchTabViewModel.cs" />
     <Compile Include="ViewModels\Windows\SettingsWindowViewModel.cs" />
     <Compile Include="ViewModels\Tabs\TabViewModel.cs" />
+    <Compile Include="Views\Controls\BookDataGrid.cs" />
     <Compile Include="Views\Controls\BookDataGridContextMenu.xaml.cs">
       <DependentUpon>BookDataGridContextMenu.xaml</DependentUpon>
     </Compile>

LibgenDesktop/Models/Download/DownloadItemRequest.cs

@@ -0,0 +1,12 @@
+namespace LibgenDesktop.Models.Download
+{
+    internal class DownloadItemRequest
+    {
+        public string DownloadPageUrl { get; set; }
+        public string FileNameWithoutExtension { get; set; }
+        public string FileExtension { get; set; }
+        public string Md5Hash { get; set; }
+        public string DownloadTransformations { get; set; }
+        public bool RestartSessionOnTimeout { get; set; }
+    }
+}

LibgenDesktop/Models/Download/Downloader.cs

@@ -93,14 +93,14 @@ public DownloadItem GetDownloadItemByDownloadPageUrl(string downloadPageUrl)
             }
         }
 
-        public void EnqueueDownloadItem(string downloadPageUrl, string fileNameWithoutExtension, string fileExtension, string md5Hash,
-            string downloadTransformations, bool restartSessionOnTimeout)
+        public void EnqueueDownloadItem(DownloadItemRequest downloadItemRequest)
         {
-            string fileName = String.Concat(FileUtils.RemoveInvalidFileNameCharacters(fileNameWithoutExtension, md5Hash), ".", fileExtension.ToLower());
+            string fileName = String.Concat(FileUtils.RemoveInvalidFileNameCharacters(downloadItemRequest.FileNameWithoutExtension,
+                downloadItemRequest.Md5Hash), ".", downloadItemRequest.FileExtension.ToLower());
             lock (downloadQueueLock)
             {
-                DownloadItem newDownloadItem = new DownloadItem(Guid.NewGuid(), downloadPageUrl, downloadSettings.DownloadDirectory, fileName,
-                    downloadTransformations, md5Hash, restartSessionOnTimeout);
+                DownloadItem newDownloadItem = new DownloadItem(Guid.NewGuid(), downloadItemRequest.DownloadPageUrl, downloadSettings.DownloadDirectory,
+                    fileName, downloadItemRequest.DownloadTransformations, downloadItemRequest.Md5Hash, downloadItemRequest.RestartSessionOnTimeout);
                 downloadQueue.Add(newDownloadItem);
                 eventQueue.Add(new DownloadItemAddedEventArgs(newDownloadItem));
                 AddLogLine(newDownloadItem, DownloadItemLogLineType.INFORMATIONAL, localization.LogLineQueued);
@@ -109,6 +109,25 @@ public void EnqueueDownloadItem(string downloadPageUrl, string fileNameWithoutEx
             }
         }
 
+        public void EnqueueDownloadItems(List<DownloadItemRequest> downloadItemRequests)
+        {
+            lock (downloadQueueLock)
+            {
+                foreach (DownloadItemRequest downloadItemRequest in downloadItemRequests)
+                {
+                    string fileName = String.Concat(FileUtils.RemoveInvalidFileNameCharacters(downloadItemRequest.FileNameWithoutExtension,
+                        downloadItemRequest.Md5Hash), ".", downloadItemRequest.FileExtension.ToLower());
+                    DownloadItem newDownloadItem = new DownloadItem(Guid.NewGuid(), downloadItemRequest.DownloadPageUrl, downloadSettings.DownloadDirectory,
+                        fileName, downloadItemRequest.DownloadTransformations, downloadItemRequest.Md5Hash, downloadItemRequest.RestartSessionOnTimeout);
+                    downloadQueue.Add(newDownloadItem);
+                    eventQueue.Add(new DownloadItemAddedEventArgs(newDownloadItem));
+                    AddLogLine(newDownloadItem, DownloadItemLogLineType.INFORMATIONAL, localization.LogLineQueued);
+                }
+                SaveDownloadQueue();
+                ResumeDownloadTask();
+            }
+        }
+
         public void StartDownloads(IEnumerable<Guid> downloadItemIds)
         {
             lock (downloadQueueLock)
@@ -571,7 +590,7 @@ private async Task DownloadFileAsync(DownloadItem downloadItem)
             catch (Exception exception)
             {
                 Logger.Exception(exception);
-                ReportError(downloadItem, localization.LogLineUnexpectedError);
+                ReportError(downloadItem, localization.GetLogLineUnexpectedError(exception.GetInnermostException().Message));
             }
         }
 
@@ -727,7 +746,7 @@ private async Task DownloadFileAsync(DownloadItem downloadItem, FileStream desti
                     if (!expectedError)
                     {
                         Logger.Exception(ioException);
-                        ReportError(downloadItem, localization.LogLineUnexpectedError);
+                        ReportError(downloadItem, localization.GetLogLineUnexpectedError(ioException.GetInnermostException().Message));
                     }
                     break;
                 }
@@ -739,7 +758,7 @@ private async Task DownloadFileAsync(DownloadItem downloadItem, FileStream desti
                         break;
                     }
                     Logger.Exception(exception);
-                    ReportError(downloadItem, localization.LogLineUnexpectedError);
+                    ReportError(downloadItem, localization.GetLogLineUnexpectedError(exception.GetInnermostException().Message));
                     break;
                 }
                 if (bytesRead == 0)
@@ -840,14 +859,14 @@ private async Task<HttpResponseMessage> SendDownloadRequestAsync(DownloadItem do
                 else
                 {
                     Logger.Exception(aggregateException);
-                    ReportError(downloadItem, localization.LogLineUnexpectedError);
+                    ReportError(downloadItem, localization.GetLogLineUnexpectedError(aggregateException.GetInnermostException().Message));
                 }
                 return null;
             }
             catch (Exception exception)
             {
                 Logger.Exception(exception);
-                ReportError(downloadItem, localization.LogLineUnexpectedError);
+                ReportError(downloadItem, localization.GetLogLineUnexpectedError(exception.GetInnermostException().Message));
                 return null;
             }
             Logger.Debug($"Response status code: {(int)response.StatusCode} {response.StatusCode}.");
@@ -902,11 +921,7 @@ private Task<HttpResponseMessage> SendRequestAsync(HttpRequestMessage request, C
                 }
                 catch (Exception exception)
                 {
-                    while (!(exception is SocketException) && exception.InnerException != null)
-                    {
-                        exception = exception.InnerException;
-                    }
-                    if (exception is SocketException socketException && socketException.SocketErrorCode == SocketError.TimedOut)
+                    if (exception.GetInnermostException() is SocketException socketException && socketException.SocketErrorCode == SocketError.TimedOut)
                     {
                         throw new TimeoutException();
                     }

LibgenDesktop/Models/Localization/Localizators/DownloadManagerLocalizator.cs

@@ -41,7 +41,6 @@ public DownloadManagerLocalizator(List<Translation> prioritizedTranslationList,
             LogLineServerResponseTimeout = Format(translation => translation?.LogMessages?.ServerResponseTimeout);
             LogLineDownloadIncompleteError = Format(translation => translation?.LogMessages?.DownloadIncompleteError);
             LogLineFileWriteError = Format(translation => translation?.LogMessages?.FileWriteError);
-            LogLineUnexpectedError = Format(translation => translation?.LogMessages?.UnexpectedError);
         }
 
         public string TabTitle { get; }
@@ -77,7 +76,6 @@ public DownloadManagerLocalizator(List<Translation> prioritizedTranslationList,
         public string LogLineServerResponseTimeout { get; }
         public string LogLineDownloadIncompleteError { get; }
         public string LogLineFileWriteError { get; }
-        public string LogLineUnexpectedError { get; }
 
         public string GetDownloadProgressKnownFileSize(long downloaded, long total, int percent) =>
             Format(translation => translation?.DownloadProgressKnownFileSize,
@@ -107,6 +105,7 @@ public string GetLogLineCannotCreateOrOpenFile(string file) =>
         public string GetLogLineCannotRenamePartFile(string source, string destination) =>
             Format(translation => translation?.LogMessages?.CannotRenamePartFile, new { source, destination });
         public string GetLogLineRequestError(string url) => Format(translation => translation?.LogMessages?.LogLineRequestError, new { url });
+        public string GetLogLineUnexpectedError(string error) => Format(translation => translation?.LogMessages?.UnexpectedError, new { error });
 
         private string Format(Func<Translation.DownloadManagerTranslation, string> field, object templateArguments = null)
         {

LibgenDesktop/Models/Localization/Localizators/SearchResultsTabLocalizator.cs

@@ -22,6 +22,7 @@ public SearchResultsTabLocalizator(List<Translation> prioritizedTranslationList,
             OfflineModeIsOnMessageTitle = Format(translation => translation?.OfflineModeIsOnMessageTitle);
             OfflineModeIsOnMessageText = Format(translation => translation?.OfflineModeIsOnMessageText);
             NoDownloadMirrorError = Format(translation => translation?.NoDownloadMirrorError);
+            LargeNumberOfItemsToDownloadPromptTitle = Format(translation => translation?.LargeNumberOfItemsToDownloadPromptTitle);
         }
 
         public string SearchPlaceHolder { get; }
@@ -38,9 +39,13 @@ public SearchResultsTabLocalizator(List<Translation> prioritizedTranslationList,
         public string OfflineModeIsOnMessageTitle { get; }
         public string OfflineModeIsOnMessageText { get; }
         public string NoDownloadMirrorError { get; }
+        public string LargeNumberOfItemsToDownloadPromptTitle { get; }
 
         public string GetFileNotFoundErrorText(string file) => Format(translation => translation?.FileNotFoundError, new { file });
 
+        public string GetLargeNumberOfItemsToDownloadPromptText(int number) =>
+            Format(translation => translation?.LargeNumberOfItemsToDownloadPromptText, new { number });
+
         private string Format(Func<Translation.SearchResultsTabsTranslation, string> field, object templateArguments = null)
         {
             return Format(translation => field(translation?.SearchResultsTabs), templateArguments);

LibgenDesktop/Models/Localization/Localizators/SynchronizationLocalizator.cs

@@ -30,7 +30,6 @@ public SynchronizationLocalizator(List<Translation> prioritizedTranslationList,
             LogLineDownloadingNewBooks = FormatLogLine(translation => translation?.DownloadingNewBooks);
             LogLineSynchronizationSuccessful = FormatLogLine(translation => translation?.SynchronizationSuccessful);
             LogLineSynchronizationCancelled = FormatLogLine(translation => translation?.SynchronizationCancelled);
-            LogLineSynchronizationError = FormatLogLine(translation => translation?.SynchronizationError);
         }
 
         public string WindowTitle { get; }
@@ -55,7 +54,6 @@ public SynchronizationLocalizator(List<Translation> prioritizedTranslationList,
         public string LogLineDownloadingNewBooks { get; set; }
         public string LogLineSynchronizationSuccessful { get; set; }
         public string LogLineSynchronizationCancelled { get; set; }
-        public string LogLineSynchronizationError { get; set; }
 
         public string GetElapsedString(string elapsed) => Format(translation => translation?.Elapsed, new { elapsed });
         public string GetStatusStep(int current, int total) => FormatStatus(translation => translation?.Step, new { current, total });
@@ -70,6 +68,7 @@ public string GetLogLineSynchronizationProgressUpdated(int downloaded, int updat
             FormatLogLine(translation => translation?.SynchronizationProgressUpdated, new { downloaded, updated });
         public string GetLogLineSynchronizationProgressAddedAndUpdated(int downloaded, int added, int updated) =>
             FormatLogLine(translation => translation?.SynchronizationProgressAddedAndUpdated, new { downloaded, added, updated });
+        public string GetLogLineSynchronizationError(string error) => FormatLogLine(translation => translation?.SynchronizationError, new { error });
 
         private string Format(Func<Translation.SynchronizationTranslation, string> field, object templateArguments = null)
         {

LibgenDesktop/Models/Localization/Translation.cs

@@ -105,6 +105,8 @@ internal class SearchResultsTabsTranslation
             public string OfflineModeIsOnMessageTitle { get; set; }
             public string OfflineModeIsOnMessageText { get; set; }
             public string NoDownloadMirrorError { get; set; }
+            public string LargeNumberOfItemsToDownloadPromptTitle { get; set; }
+            public string LargeNumberOfItemsToDownloadPromptText { get; set; }
         }
 
         internal class NonFictionSearchResultsGridColumnsTranslation

LibgenDesktop/Models/Utils/ExceptionUtils.cs

@@ -0,0 +1,16 @@
+using System;
+
+namespace LibgenDesktop.Models.Utils
+{
+    internal static class ExceptionUtils
+    {
+        public static Exception GetInnermostException(this Exception exception)
+        {
+            while (exception.InnerException != null)
+            {
+                exception = exception.InnerException;
+            }
+            return exception;
+        }
+    }
+}