| | | 1 | | using System.Linq.Expressions; |
| | | 2 | | using Microsoft.EntityFrameworkCore; |
| | | 3 | | using OzonDomains.Models; |
| | | 4 | | |
| | | 5 | | namespace OzonOrdersWeb.WebServices.Orders.Grid; |
| | | 6 | | |
| | | 7 | | /// <summary> |
| | | 8 | | /// Операторы колоночных фильтров, которых нет в <c>OrderFilterModel</c> / общем конвейере: |
| | | 9 | | /// текст — «начинается с», «равно», «не содержит», «не равно», «заканчивается на», пусто/не пусто; |
| | | 10 | | /// числа — >, >=, <, <=, ≠, диапазон, пусто/не пусто; даты — до/после/диапазон/≠/пусто. |
| | | 11 | | /// Применяются через <see cref="OrdersIndexQueryRequest.QueryPostProcessor"/> после общих фильтров. |
| | | 12 | | /// </summary> |
| | | 13 | | public static class OrdersGridExtraFilters |
| | | 14 | | { |
| | 17 | 15 | | public sealed record ExtraFilter(string ColId, string Type, string? Text, decimal? Number, decimal? NumberTo, DateTi |
| | | 16 | | |
| | 1 | 17 | | private static readonly Dictionary<string, Expression<Func<Order, string?>>> TextColumns = new(StringComparer.Ordina |
| | 1 | 18 | | { |
| | 1 | 19 | | ["shipmentNumber"] = o => o.ShipmentNumber, |
| | 1 | 20 | | ["trackingNumber"] = o => o.TrackingNumber, |
| | 1 | 21 | | ["scanit"] = o => o.Scanit, |
| | 1 | 22 | | ["deliveryCity"] = o => o.DeliveryCity, |
| | 1 | 23 | | ["productKey"] = o => o.ProductKey, |
| | 1 | 24 | | ["manufacturer"] = o => o.EtProducer != null ? o.EtProducer.Name : null, |
| | 1 | 25 | | ["article"] = o => o.Article, |
| | 1 | 26 | | ["productName"] = o => o.ProductName, |
| | 1 | 27 | | ["orderNumberToSupplier"] = o => o.OrderNumberToSupplier, |
| | 1 | 28 | | ["category"] = o => o.ProductInfo != null ? o.ProductInfo.CommercialCategory : null |
| | 1 | 29 | | }; |
| | | 30 | | |
| | 1 | 31 | | private static readonly Dictionary<string, Expression<Func<Order, decimal?>>> NumberColumns = new(StringComparer.Ord |
| | 1 | 32 | | { |
| | 1 | 33 | | ["sitePrice"] = o => o.ProductInfo != null ? o.ProductInfo.CurrentPriceWithDiscount : null, |
| | 1 | 34 | | ["quantity"] = o => (decimal?)o.Quantity, |
| | 1 | 35 | | ["price"] = o => o.Price, |
| | 1 | 36 | | ["shipmentAmount"] = o => o.ShipmentAmount, |
| | 1 | 37 | | ["purchasePrice"] = o => o.PurchasePrice, |
| | 1 | 38 | | ["costPrice"] = o => o.CostPrice, |
| | 1 | 39 | | ["ozonCommission"] = o => o.MinOzonCommission, |
| | 1 | 40 | | ["ozonCommissionMax"] = o => o.MaxOzonCommission, |
| | 1 | 41 | | ["profit"] = o => o.MaxProfit, |
| | 1 | 42 | | ["profitMin"] = o => o.MinProfit, |
| | 1 | 43 | | ["discount"] = o => o.MaxDiscount, |
| | 1 | 44 | | ["discountMin"] = o => o.MinDiscount, |
| | 1 | 45 | | ["volumetricWeight"] = o => o.ProductInfo != null ? (decimal?)o.ProductInfo.VolumetricWeight : null, |
| | 1 | 46 | | ["weight"] = o => o.ProductInfo != null ? o.ProductInfo.Weight : null |
| | 1 | 47 | | }; |
| | | 48 | | |
| | 1 | 49 | | private static readonly Dictionary<string, Expression<Func<Order, DateTime?>>> DateColumns = new(StringComparer.Ordi |
| | 1 | 50 | | { |
| | 1 | 51 | | ["processingDate"] = o => o.ProcessingDate, |
| | 1 | 52 | | ["shippingDate"] = o => o.ShippingDate, |
| | 1 | 53 | | ["lastStatusChangeDate"] = o => o.LastStatusChangeDate |
| | 1 | 54 | | }; |
| | | 55 | | |
| | | 56 | | /// <summary>Умеет ли пост-фильтр данную пару колонка/оператор (иначе — общий конвейер или игнор).</summary> |
| | | 57 | | public static bool Supports(string colId, string type) |
| | | 58 | | { |
| | 5 | 59 | | type = type.ToLowerInvariant(); |
| | 5 | 60 | | if (TextColumns.ContainsKey(colId)) |
| | | 61 | | { |
| | 3 | 62 | | return type is "startswith" or "endswith" or "equals" or "notequal" or "notcontains" or "blank" or "notblank |
| | | 63 | | } |
| | | 64 | | |
| | 2 | 65 | | if (NumberColumns.ContainsKey(colId)) |
| | | 66 | | { |
| | 1 | 67 | | return type is "equals" or "greaterthan" or "greaterthanorequal" or "lessthan" or "lessthanorequal" or "note |
| | | 68 | | } |
| | | 69 | | |
| | 1 | 70 | | if (DateColumns.ContainsKey(colId)) |
| | | 71 | | { |
| | 1 | 72 | | return type is "greaterthan" or "lessthan" or "inrange" or "notequal" or "blank" or "notblank"; |
| | | 73 | | } |
| | | 74 | | |
| | 0 | 75 | | return false; |
| | | 76 | | } |
| | | 77 | | |
| | | 78 | | public static IQueryable<Order> Apply(IQueryable<Order> query, IReadOnlyList<ExtraFilter> filters) |
| | | 79 | | { |
| | 0 | 80 | | foreach (var f in filters) |
| | | 81 | | { |
| | 0 | 82 | | if (TextColumns.TryGetValue(f.ColId, out var textSel)) |
| | | 83 | | { |
| | 0 | 84 | | query = ApplyText(query, textSel, f); |
| | | 85 | | } |
| | 0 | 86 | | else if (NumberColumns.TryGetValue(f.ColId, out var numSel)) |
| | | 87 | | { |
| | 0 | 88 | | query = ApplyNumber(query, numSel, f); |
| | | 89 | | } |
| | 0 | 90 | | else if (DateColumns.TryGetValue(f.ColId, out var dateSel)) |
| | | 91 | | { |
| | 0 | 92 | | query = ApplyDate(query, dateSel, f); |
| | | 93 | | } |
| | | 94 | | } |
| | | 95 | | |
| | 0 | 96 | | return query; |
| | | 97 | | } |
| | | 98 | | |
| | | 99 | | private static IQueryable<Order> ApplyText(IQueryable<Order> query, Expression<Func<Order, string?>> selector, Extra |
| | | 100 | | { |
| | 0 | 101 | | var type = f.Type.ToLowerInvariant(); |
| | 0 | 102 | | if (type == "blank") return query.Where(Build(selector, v => v == null || v == "")); |
| | 0 | 103 | | if (type == "notblank") return query.Where(Build(selector, v => v != null && v != "")); |
| | | 104 | | |
| | 0 | 105 | | var text = f.Text ?? string.Empty; |
| | 0 | 106 | | if (text.Length == 0) return query; |
| | 0 | 107 | | var escaped = text.Replace("%", "\\%").Replace("_", "\\_"); |
| | 0 | 108 | | var lower = text.ToLower(); |
| | | 109 | | |
| | 0 | 110 | | return type switch |
| | 0 | 111 | | { |
| | 0 | 112 | | "startswith" => query.Where(Build(selector, v => v != null && EF.Functions.Like(v, escaped + "%"))), |
| | 0 | 113 | | "endswith" => query.Where(Build(selector, v => v != null && EF.Functions.Like(v, "%" + escaped))), |
| | 0 | 114 | | "equals" => query.Where(Build(selector, v => v != null && v.ToLower() == lower)), |
| | 0 | 115 | | "notequal" => query.Where(Build(selector, v => v == null || v.ToLower() != lower)), |
| | 0 | 116 | | "notcontains" => query.Where(Build(selector, v => v == null || !EF.Functions.Like(v, "%" + escaped + "%"))), |
| | 0 | 117 | | _ => query |
| | 0 | 118 | | }; |
| | | 119 | | } |
| | | 120 | | |
| | | 121 | | private static IQueryable<Order> ApplyNumber(IQueryable<Order> query, Expression<Func<Order, decimal?>> selector, Ex |
| | | 122 | | { |
| | 0 | 123 | | var type = f.Type.ToLowerInvariant(); |
| | 0 | 124 | | if (type == "blank") return query.Where(Build(selector, v => v == null)); |
| | 0 | 125 | | if (type == "notblank") return query.Where(Build(selector, v => v != null)); |
| | 0 | 126 | | if (!f.Number.HasValue) return query; |
| | 0 | 127 | | var n = f.Number.Value; |
| | 0 | 128 | | var to = f.NumberTo; |
| | | 129 | | |
| | 0 | 130 | | return type switch |
| | 0 | 131 | | { |
| | 0 | 132 | | "equals" => query.Where(Build(selector, v => v != null && v == n)), |
| | 0 | 133 | | "greaterthan" => query.Where(Build(selector, v => v != null && v > n)), |
| | 0 | 134 | | "greaterthanorequal" => query.Where(Build(selector, v => v != null && v >= n)), |
| | 0 | 135 | | "lessthan" => query.Where(Build(selector, v => v != null && v < n)), |
| | 0 | 136 | | "lessthanorequal" => query.Where(Build(selector, v => v != null && v <= n)), |
| | 0 | 137 | | "notequal" => query.Where(Build(selector, v => v == null || v != n)), |
| | 0 | 138 | | "inrange" when to.HasValue => query.Where(Build(selector, v => v != null && v >= n && v <= to.Value)), |
| | 0 | 139 | | _ => query |
| | 0 | 140 | | }; |
| | | 141 | | } |
| | | 142 | | |
| | | 143 | | private static IQueryable<Order> ApplyDate(IQueryable<Order> query, Expression<Func<Order, DateTime?>> selector, Ext |
| | | 144 | | { |
| | 0 | 145 | | var type = f.Type.ToLowerInvariant(); |
| | 0 | 146 | | if (type == "blank") return query.Where(Build(selector, v => v == null)); |
| | 0 | 147 | | if (type == "notblank") return query.Where(Build(selector, v => v != null)); |
| | 0 | 148 | | if (!f.DateFrom.HasValue) return query; |
| | | 149 | | |
| | 0 | 150 | | var from = f.DateFrom.Value.Date; |
| | 0 | 151 | | var fromNext = from.AddDays(1); |
| | 0 | 152 | | var toNext = (f.DateTo ?? from).Date.AddDays(1); |
| | | 153 | | |
| | 0 | 154 | | return type switch |
| | 0 | 155 | | { |
| | 0 | 156 | | "greaterthan" => query.Where(Build(selector, v => v != null && v >= fromNext)), |
| | 0 | 157 | | "lessthan" => query.Where(Build(selector, v => v != null && v < from)), |
| | 0 | 158 | | "notequal" => query.Where(Build(selector, v => v == null || v < from || v >= fromNext)), |
| | 0 | 159 | | "inrange" => query.Where(Build(selector, v => v != null && v >= from && v < toNext)), |
| | 0 | 160 | | _ => query |
| | 0 | 161 | | }; |
| | | 162 | | } |
| | | 163 | | |
| | | 164 | | /// <summary>Склеивает селектор поля и предикат по значению в один предикат по заказу (без Invoke, чтобы EF перевёл |
| | | 165 | | private static Expression<Func<Order, bool>> Build<TValue>(Expression<Func<Order, TValue>> selector, Expression<Func |
| | | 166 | | { |
| | 0 | 167 | | var body = new ReplaceParameterVisitor(predicate.Parameters[0], selector.Body).Visit(predicate.Body)!; |
| | 0 | 168 | | return Expression.Lambda<Func<Order, bool>>(body, selector.Parameters[0]); |
| | | 169 | | } |
| | | 170 | | |
| | | 171 | | private sealed class ReplaceParameterVisitor : ExpressionVisitor |
| | | 172 | | { |
| | | 173 | | private readonly ParameterExpression _from; |
| | | 174 | | private readonly Expression _to; |
| | | 175 | | |
| | 0 | 176 | | public ReplaceParameterVisitor(ParameterExpression from, Expression to) |
| | | 177 | | { |
| | 0 | 178 | | _from = from; |
| | 0 | 179 | | _to = to; |
| | 0 | 180 | | } |
| | | 181 | | |
| | 0 | 182 | | protected override Expression VisitParameter(ParameterExpression node) => node == _from ? _to : base.VisitParame |
| | | 183 | | } |
| | | 184 | | } |