sevenhill/CROWLER
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

edit

Browse Source
This commit is contained in:
Курнат Андрей
2026-04-04 16:19:25 +03:00
parent 5a55bc5f4c
commit 84f2308e65
5 changed files with 89 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

112
ViewModels/MainWindowViewModel.cs
View File

@@ -1,4 +1,5 @@
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Threading;
@@ -11,6 +12,8 @@ namespace CRAWLER.ViewModels;
internal sealed class MainWindowViewModel : ObservableObject
{
private const int SearchRefreshDelayMilliseconds = 350;
private readonly InstrumentCatalogService _catalogService;
private readonly IPdfOpener _pdfOpener;
private InstrumentSummary _selectedSummary;
@@ -19,6 +22,8 @@ internal sealed class MainWindowViewModel : ObservableObject
private int _pagesToScan;
private string _statusText;
private bool _isBusy;
private bool _isInitialized;
private CancellationTokenSource _searchRefreshCancellationTokenSource;
private CancellationTokenSource _selectionCancellationTokenSource;
public MainWindowViewModel(InstrumentCatalogService catalogService, IPdfOpener pdfOpener)
@@ -53,7 +58,13 @@ internal sealed class MainWindowViewModel : ObservableObject
public string SearchText
{
get { return _searchText; }
set { SetProperty(ref _searchText, value); }
set
{
if (SetProperty(ref _searchText, value) && _isInitialized)
{
ScheduleSearchRefresh();
}
}
}
public int PagesToScan
@@ -80,40 +91,14 @@ internal sealed class MainWindowViewModel : ObservableObject
{
StatusText = "Подготовка базы данных...";
await _catalogService.InitializeAsync(CancellationToken.None);
await RefreshAsync();
await RefreshCoreAsync();
_isInitialized = true;
});
}
public async Task RefreshAsync(long? selectId = null)
{
await RunBusyAsync(async () =>
{
StatusText = "Загрузка списка записей...";
var items = await _catalogService.SearchAsync(SearchText, CancellationToken.None);
Instruments.Clear();
foreach (var item in items)
{
Instruments.Add(item);
}
if (Instruments.Count == 0)
{
SelectedInstrument = null;
SelectedSummary = null;
StatusText = "Записи не найдены.";
return;
}
var summary = selectId.HasValue
? Instruments.FirstOrDefault(item => item.Id == selectId.Value)
: SelectedSummary == null
? Instruments.FirstOrDefault()
: Instruments.FirstOrDefault(item => item.Id == SelectedSummary.Id) ?? Instruments.FirstOrDefault();
SelectedSummary = summary;
StatusText = $"Загружено записей: {Instruments.Count}.";
});
await RunBusyAsync(() => RefreshCoreAsync(selectId));
}
public async Task<SyncResult> SyncAsync()
@@ -124,7 +109,7 @@ internal sealed class MainWindowViewModel : ObservableObject
{
var progress = new Progress<string>(message => StatusText = message);
result = await _catalogService.SyncFromSiteAsync(PagesToScan, progress, CancellationToken.None);
await RefreshAsync(SelectedSummary?.Id);
await RefreshCoreAsync(SelectedSummary?.Id);
});
return result;
@@ -143,7 +128,7 @@ internal sealed class MainWindowViewModel : ObservableObject
return SelectedInstrument?.Clone();
}
public async Task<long> SaveAsync(InstrumentRecord draft, System.Collections.Generic.IEnumerable<string> pendingPdfPaths)
public async Task<long> SaveAsync(InstrumentRecord draft, IEnumerable<string> pendingPdfPaths)
{
long id = 0;
@@ -151,7 +136,7 @@ internal sealed class MainWindowViewModel : ObservableObject
{
StatusText = "Сохранение записи...";
id = await _catalogService.SaveInstrumentAsync(draft, pendingPdfPaths, CancellationToken.None);
await RefreshAsync(id);
await RefreshCoreAsync(id);
StatusText = "Изменения сохранены.";
});
@@ -171,12 +156,12 @@ internal sealed class MainWindowViewModel : ObservableObject
{
StatusText = "Удаление записи...";
await _catalogService.DeleteInstrumentAsync(SelectedInstrument, CancellationToken.None);
await RefreshAsync();
await RefreshCoreAsync();
StatusText = $"Запись {deletedId} удалена.";
});
}
public async Task AddAttachmentsToSelectedAsync(System.Collections.Generic.IEnumerable<string> paths)
public async Task AddAttachmentsToSelectedAsync(IEnumerable<string> paths)
{
if (SelectedInstrument == null)
{
@@ -221,9 +206,66 @@ internal sealed class MainWindowViewModel : ObservableObject
}
}
private async Task RefreshCoreAsync(long? selectId = null)
{
StatusText = "Загрузка списка записей...";
var items = await _catalogService.SearchAsync(SearchText, CancellationToken.None);
Instruments.Clear();
foreach (var item in items)
{
Instruments.Add(item);
}
if (Instruments.Count == 0)
{
SelectedInstrument = null;
SelectedSummary = null;
StatusText = "Записи не найдены.";
return;
}
var summary = selectId.HasValue
? Instruments.FirstOrDefault(item => item.Id == selectId.Value)
: SelectedSummary == null
? Instruments.FirstOrDefault()
: Instruments.FirstOrDefault(item => item.Id == SelectedSummary.Id) ?? Instruments.FirstOrDefault();
SelectedSummary = summary;
StatusText = $"Загружено записей: {Instruments.Count}.";
}
private void ScheduleSearchRefresh()
{
_searchRefreshCancellationTokenSource?.Cancel();
_searchRefreshCancellationTokenSource?.Dispose();
_searchRefreshCancellationTokenSource = new CancellationTokenSource();
_ = RunSearchRefreshAsync(_searchRefreshCancellationTokenSource.Token);
}
private async Task RunSearchRefreshAsync(CancellationToken cancellationToken)
{
try
{
await Task.Delay(SearchRefreshDelayMilliseconds, cancellationToken);
while (IsBusy)
{
await Task.Delay(100, cancellationToken);
}
cancellationToken.ThrowIfCancellationRequested();
await RefreshAsync();
}
catch (OperationCanceledException)
{
}
}
private async Task LoadSelectedInstrumentAsync(long? id)
{
_selectionCancellationTokenSource?.Cancel();
_selectionCancellationTokenSource?.Dispose();
_selectionCancellationTokenSource = new CancellationTokenSource();
var token = _selectionCancellationTokenSource.Token;