Optimize price-list name search for large catalogs.
Replace O(n^2) per-keystroke rebuild with indexed unique names, a single-pass filter, and debounce so typing stays responsive with ~15k items.
This commit is contained in:
Magomed
parent
9dfdb913cb
commit
09535e9b02
@ -49,6 +49,11 @@ namespace Электронная_Фармация.UserControls
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ModernSplitContainer splitNameMgBrowse;
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ModernDataGridView dgvBrowseNames;
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ModernDataGridView dgvBrowseMg;
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List<string> _uniqueBaseNames = new List<string>();
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Dictionary<string, List<string>> _mgByBaseName =
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new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
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Timer _searchDebounceTimer;
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const int SearchDebounceMs = 180;
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static readonly Regex DosageRegex = new Regex(
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@"(\d+(?:[.,]\d+)?\s*(?:мг|мкг|г|мл|МЕ|ме)\b)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled);
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@ -407,11 +412,77 @@ namespace Электронная_Фармация.UserControls
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EnsureDerivedBrowseColumns(tablePrice);
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_fullPriceTable = tablePrice;
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RebuildBrowseIndex(tablePrice);
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_selectedBaseName = string.Empty;
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_selectedMg = string.Empty;
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ShowBrowseView();
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}
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private void RebuildBrowseIndex(DataTable tablePrice)
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{
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var names = new SortedSet<string>(StringComparer.OrdinalIgnoreCase);
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var mgMap = new Dictionary<string, SortedSet<string>>(StringComparer.OrdinalIgnoreCase);
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foreach (DataRow row in tablePrice.Rows)
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{
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var baseName = row["Базовое наименование"]?.ToString() ?? string.Empty;
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if (string.IsNullOrWhiteSpace(baseName))
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{
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continue;
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}
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names.Add(baseName);
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if (!mgMap.TryGetValue(baseName, out var dosages))
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{
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dosages = new SortedSet<string>(StringComparer.OrdinalIgnoreCase);
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mgMap[baseName] = dosages;
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}
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dosages.Add(row["МГ"]?.ToString() ?? string.Empty);
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}
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_uniqueBaseNames = names.ToList();
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_mgByBaseName = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
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foreach (var pair in mgMap)
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{
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var list = new List<string>(pair.Value.Count);
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foreach (var dosage in pair.Value)
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{
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list.Add(string.IsNullOrEmpty(dosage) ? EmptyMgDisplay : dosage);
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}
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_mgByBaseName[pair.Key] = list;
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}
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}
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private void EnsureSearchDebounceTimer()
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{
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if (_searchDebounceTimer != null)
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{
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return;
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}
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_searchDebounceTimer = new Timer { Interval = SearchDebounceMs };
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_searchDebounceTimer.Tick += (_, __) =>
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{
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_searchDebounceTimer.Stop();
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ResetBrowseToNames();
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};
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}
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private void ScheduleBrowseSearchRefresh(bool immediate = false)
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{
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EnsureSearchDebounceTimer();
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_searchDebounceTimer.Stop();
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if (immediate)
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{
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ResetBrowseToNames();
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return;
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}
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_searchDebounceTimer.Start();
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}
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private void HideOptionalColumn(string columnName)
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{
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if (dgvPriceList.Columns.Contains(columnName))
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@ -506,55 +577,51 @@ namespace Электронная_Фармация.UserControls
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}
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var search = (GoodsFilter ?? string.Empty).Trim();
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var namesTable = new DataTable();
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namesTable.Columns.Add("Наименование", typeof(string));
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var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
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IList<string> namesToShow;
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if (string.IsNullOrWhiteSpace(search))
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{
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namesToShow = _uniqueBaseNames;
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}
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else
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{
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var matching = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
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foreach (DataRow row in _fullPriceTable.Rows)
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{
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var baseName = row["Базовое наименование"]?.ToString() ?? string.Empty;
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if (string.IsNullOrWhiteSpace(baseName) || !seen.Add(baseName))
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if (string.IsNullOrWhiteSpace(baseName) || matching.Contains(baseName))
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{
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continue;
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}
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if (!string.IsNullOrWhiteSpace(search))
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{
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var keep = false;
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foreach (DataRow candidate in _fullPriceTable.Rows)
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{
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if (!string.Equals(candidate["Базовое наименование"]?.ToString(), baseName, StringComparison.OrdinalIgnoreCase))
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{
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continue;
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}
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var drugName = candidate["Наименование"]?.ToString() ?? string.Empty;
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var mgText = candidate["МГ"]?.ToString() ?? string.Empty;
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var drugName = row["Наименование"]?.ToString() ?? string.Empty;
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var mgText = row["МГ"]?.ToString() ?? string.Empty;
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if (baseName.IndexOf(search, StringComparison.OrdinalIgnoreCase) >= 0
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|| drugName.IndexOf(search, StringComparison.OrdinalIgnoreCase) >= 0
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|| mgText.IndexOf(search, StringComparison.OrdinalIgnoreCase) >= 0)
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{
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keep = true;
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break;
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matching.Add(baseName);
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}
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}
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if (!keep)
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namesToShow = matching
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.OrderBy(n => n, StringComparer.OrdinalIgnoreCase)
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.ToList();
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}
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var namesTable = new DataTable();
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namesTable.Columns.Add("Наименование", typeof(string));
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namesTable.BeginLoadData();
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foreach (var baseName in namesToShow)
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{
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continue;
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}
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}
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namesTable.Rows.Add(baseName);
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}
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namesTable.DefaultView.Sort = "Наименование ASC";
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var sortedNames = namesTable.DefaultView.ToTable();
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namesTable.EndLoadData();
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try
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{
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_suppressBrowseEvents = true;
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dgvBrowseNames.DataSource = sortedNames;
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dgvBrowseNames.SuspendLayout();
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dgvBrowseNames.DataSource = namesTable;
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ConfigureSingleColumnGrid(dgvBrowseNames, "Наименование");
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ClearMgPanel();
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@ -569,6 +636,7 @@ namespace Электронная_Фармация.UserControls
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}
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finally
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{
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dgvBrowseNames.ResumeLayout();
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_suppressBrowseEvents = false;
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}
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@ -595,28 +663,18 @@ namespace Электронная_Фармация.UserControls
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var mgTable = new DataTable();
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mgTable.Columns.Add("МГ", typeof(string));
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var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
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foreach (DataRow row in _fullPriceTable.Rows)
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if (_mgByBaseName.TryGetValue(baseName, out var dosages))
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{
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if (!string.Equals(row["Базовое наименование"]?.ToString(), baseName, StringComparison.OrdinalIgnoreCase))
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foreach (var dosage in dosages)
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{
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continue;
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mgTable.Rows.Add(dosage);
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}
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}
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var dosage = row["МГ"]?.ToString() ?? string.Empty;
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if (!seen.Add(dosage))
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{
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continue;
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}
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mgTable.Rows.Add(string.IsNullOrEmpty(dosage) ? EmptyMgDisplay : dosage);
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}
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mgTable.DefaultView.Sort = "МГ ASC";
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try
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{
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_suppressBrowseEvents = true;
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dgvBrowseMg.DataSource = mgTable.DefaultView.ToTable();
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dgvBrowseMg.DataSource = mgTable;
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ConfigureSingleColumnGrid(dgvBrowseMg, "МГ");
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dgvBrowseMg.ClearSelection();
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}
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@ -990,7 +1048,7 @@ namespace Электронная_Фармация.UserControls
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GoodsFilter = GoodsFilter.Substring(0, GoodsFilter.Length - 1);
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txtSearchGoodNameInPriceList.Text = GoodsFilter;
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ResetBrowseToNames();
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ScheduleBrowseSearchRefresh(immediate: GoodsFilter.Length == 0);
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if (GoodsFilter.Length == 0)
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{
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@ -1501,7 +1559,7 @@ select strftime('%Y-%m-%d','{OrderDate}'),
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{
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txtSearchGoodNameInPriceList.Text = string.Empty;
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GoodsFilter = string.Empty;
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ResetBrowseToNames();
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ScheduleBrowseSearchRefresh(immediate: true);
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//loadPriceList(string.Empty);
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}
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@ -1560,6 +1618,27 @@ and tempOrder.GoodName = PriceList.GoodName
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string GoodsFilter = string.Empty;
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string stringIWantBuy = string.Empty;
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private static bool IsGoodsSearchKey(char keyChar, bool allowDigitsAndSeparators = true)
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{
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if ((keyChar >= 'A' && keyChar <= 'Z')
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|| (keyChar >= 'a' && keyChar <= 'z')
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|| (keyChar >= 'А' && keyChar <= 'Я')
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|| (keyChar >= 'а' && keyChar <= 'я')
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|| keyChar == (char)Keys.Subtract)
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{
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return true;
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}
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if (!allowDigitsAndSeparators)
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{
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return false;
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}
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return (keyChar >= '0' && keyChar <= '9')
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|| keyChar == ' '
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|| keyChar == '.'
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|| keyChar == ',';
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}
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private void dgvPriceList_KeyPress(object sender, KeyPressEventArgs e)
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{
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@ -1573,7 +1652,7 @@ and tempOrder.GoodName = PriceList.GoodName
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{
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txtSearchGoodNameInPriceList.Text = string.Empty;
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GoodsFilter = string.Empty;
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ResetBrowseToNames();
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ScheduleBrowseSearchRefresh(immediate: true);
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}
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return;
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@ -1613,67 +1692,27 @@ and tempOrder.GoodName = PriceList.GoodName
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if (_browseMode != PriceBrowseMode.Offers)
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{
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if ((e.KeyChar >= 'A' && e.KeyChar <= 'Z')
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|| (e.KeyChar >= 'a' && e.KeyChar <= 'z')
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|| (e.KeyChar >= 'А' && e.KeyChar <= 'Я')
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|| (e.KeyChar >= 'а' && e.KeyChar <= 'я')
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|| (e.KeyChar == (Char)Keys.Subtract))
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if (IsGoodsSearchKey(e.KeyChar))
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{
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dgvPriceList.ClearSelection();
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GoodsFilter += e.KeyChar.ToString();
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txtSearchGoodNameInPriceList.Text = GoodsFilter;
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ResetBrowseToNames();
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if (dgvBrowseNames != null && dgvBrowseNames.Rows.Count == 0)
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{
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UiDialogs.ShowInfo("Подходящий товар не найден.", "Поиск", FindForm());
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GoodsFilter = string.Empty;
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txtSearchGoodNameInPriceList.Text = string.Empty;
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ResetBrowseToNames();
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}
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ScheduleBrowseSearchRefresh();
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timerForResetSearch.Enabled = true;
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timerForResetSearch.Start();
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}
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return;
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}
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if ((e.KeyChar >= 'A' && e.KeyChar <= 'Z') || (e.KeyChar >= 'a' && e.KeyChar <= 'z') || (e.KeyChar >= 'А' && e.KeyChar <= 'Я') || (e.KeyChar >= 'а' && e.KeyChar <= 'я') || (e.KeyChar == (Char)Keys.Subtract))
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{
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if (e.KeyChar == (Char)Keys.Enter)
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{
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}
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else
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if (IsGoodsSearchKey(e.KeyChar, allowDigitsAndSeparators: false))
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{
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dgvPriceList.ClearSelection();
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GoodsFilter += e.KeyChar.ToString();
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txtSearchGoodNameInPriceList.Text = GoodsFilter;
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#region поиск без фильтрации (НЕ РАБОТАЕТ)
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//foreach(DataGridViewRow row in dgvPriceList.Rows)
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//{
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// //string cellValue = row.Cells["Наименование"].Value.ToString().ToLower();
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// if (row.Cells[2].Value.ToString().Equals(GoodsFilter))
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// {
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// int indexOfSearchValue = row.Index;
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// dgvPriceList.Rows[indexOfSearchValue].Selected = true;
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// }
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//}
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#endregion
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#region старый способ поиска с фильтрацией данных
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if (!string.IsNullOrEmpty(GoodsFilter))
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{
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ResetBrowseToNames();
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if (dgvPriceList.Rows.Count == 0)
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{
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UiDialogs.ShowInfo("Подходящий товар не найден.", "Поиск", FindForm());
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GoodsFilter = string.Empty;
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txtSearchGoodNameInPriceList.Text = string.Empty;
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ResetBrowseToNames();
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}
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}
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#endregion
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}
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ScheduleBrowseSearchRefresh();
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timerForResetSearch.Enabled = true;
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timerForResetSearch.Start();
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return;
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}
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else if ((e.KeyChar >= (Char)Keys.D1 && e.KeyChar <= (Char)Keys.D9) ||
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@ -2511,7 +2550,7 @@ and SumOrderedItems = '{SumOrder}'";
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{
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txtSearchGoodNameInPriceList.Text = string.Empty;
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GoodsFilter = string.Empty;
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ResetBrowseToNames();
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ScheduleBrowseSearchRefresh(immediate: true);
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timerForResetSearch.Enabled = false;
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timerForResetSearch.Stop();
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}
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