edit

2026-03-22 21:44:29 +03:00
parent a47a7a5a3b
commit 7bbca6ba55
750 changed files with 13718 additions and 43 deletions
--- a/XLAB2/EkzDirectoryService.cs
+++ b/XLAB2/EkzDirectoryService.cs
@@ -0,0 +1,832 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using Microsoft.Data.SqlClient;
+
+namespace XLAB2
+{
+    internal sealed class EkzDirectoryService
+    {
+        private static readonly string[] CascadingEkzChildTables = { "EKZMK", "EKZMCP" };
+
+        private static readonly string[] CascadingEkzMkChildTables = { "EKZMKFCTVL", "EKZMKDH", "EKZMKEKZK", "EKZMKND", "KSPELEKZMK" };
+
+        public int AddEkzItem(EkzDirectoryItem item)
+        {
+            var normalizedItem = NormalizeEkzItem(item);
+
+            const string sql = @"
+INSERT INTO dbo.EKZ
+(
+    IDTPRZ,
+    IDFRPDV,
+    KLSIPR,
+    NNZV,
+    NNIN,
+    DSEKZ,
+    GUIDEKZ,
+    IsDeleted
+)
+VALUES
+(
+    @TypeSizeId,
+    @OwnerOrganizationId,
+    1,
+    @SerialNumber,
+    @InventoryNumber,
+    @Notes,
+    @Guid,
+    0
+);
+
+SELECT CAST(SCOPE_IDENTITY() AS int);";
+
+            using (var connection = ReferenceDirectorySqlHelpers.CreateConnection())
+            using (var command = new SqlCommand(sql, connection))
+            {
+                connection.Open();
+                EnsureEkzIsUnique(connection, normalizedItem.TypeSizeId, normalizedItem.OwnerOrganizationId, normalizedItem.SerialNumber, null);
+
+                command.CommandTimeout = ReferenceDirectorySqlHelpers.GetCommandTimeoutSeconds();
+                command.Parameters.Add("@TypeSizeId", SqlDbType.Int).Value = normalizedItem.TypeSizeId;
+                command.Parameters.Add("@OwnerOrganizationId", SqlDbType.Int).Value = normalizedItem.OwnerOrganizationId;
+                command.Parameters.Add("@SerialNumber", SqlDbType.VarChar, EkzDirectoryRules.SerialNumberMaxLength).Value = normalizedItem.SerialNumber;
+                ReferenceDirectorySqlHelpers.AddNullableStringParameter(command, "@InventoryNumber", SqlDbType.VarChar, EkzDirectoryRules.InventoryNumberMaxLength, normalizedItem.InventoryNumber);
+                ReferenceDirectorySqlHelpers.AddNullableStringParameter(command, "@Notes", SqlDbType.VarChar, EkzDirectoryRules.NotesMaxLength, normalizedItem.Notes);
+                command.Parameters.Add("@Guid", SqlDbType.UniqueIdentifier).Value = Guid.NewGuid();
+
+                return Convert.ToInt32(command.ExecuteScalar());
+            }
+        }
+
+        public EkzDeletePreview GetEkzDeletePreview(int id)
+        {
+            if (id <= 0)
+            {
+                return new EkzDeletePreview
+                {
+                    CanDelete = false,
+                    ImpactItems = Array.Empty<EkzDeleteImpactItem>(),
+                    WarningMessage = "Не выбрана запись EKZ для удаления."
+                };
+            }
+
+            using (var connection = ReferenceDirectorySqlHelpers.CreateConnection())
+            {
+                connection.Open();
+                return BuildEkzDeletePreview(connection, null, id);
+            }
+        }
+
+        public EkzDeleteResult DeleteEkzItem(int id)
+        {
+            if (id <= 0)
+            {
+                throw new InvalidOperationException("Не выбрана запись EKZ для удаления.");
+            }
+
+            try
+            {
+                using (var connection = ReferenceDirectorySqlHelpers.CreateConnection())
+                {
+                    connection.Open();
+
+                    using (var transaction = connection.BeginTransaction())
+                    {
+                        var preview = BuildEkzDeletePreview(connection, transaction, id);
+                        if (!preview.CanDelete)
+                        {
+                            transaction.Rollback();
+                            return new EkzDeleteResult
+                            {
+                                IsDeleted = false,
+                                ImpactItems = preview.ImpactItems ?? Array.Empty<EkzDeleteImpactItem>(),
+                                WarningMessage = preview.WarningMessage
+                            };
+                        }
+
+                        var impactItems = new List<EkzDeleteImpactItem>();
+                        AddImpactItem(impactItems, "EKZMKFCTVL", DeleteEkzMkFctvl(connection, transaction, id));
+                        AddImpactItem(impactItems, "EKZMKDH", DeleteEkzMkDh(connection, transaction, id));
+                        AddImpactItem(impactItems, "EKZMKEKZK", DeleteEkzMkEkzk(connection, transaction, id));
+                        AddImpactItem(impactItems, "EKZMKND", DeleteEkzMkNd(connection, transaction, id));
+                        AddImpactItem(impactItems, "KSPELEKZMK", DeleteKspelEkzMk(connection, transaction, id));
+                        AddImpactItem(impactItems, "DMS", DeleteEkzDms(connection, transaction, id));
+                        AddImpactItem(impactItems, "EKZMK", DeleteEkzMk(connection, transaction, id));
+                        AddImpactItem(impactItems, "EKZMCP", DeleteEkzMcp(connection, transaction, id));
+
+                        var deletedEkzCount = DeleteEkz(connection, transaction, id);
+                        if (deletedEkzCount == 0)
+                        {
+                            transaction.Rollback();
+                            return new EkzDeleteResult
+                            {
+                                IsDeleted = false,
+                                ImpactItems = Array.Empty<EkzDeleteImpactItem>(),
+                                WarningMessage = "Запись EKZ для удаления не найдена."
+                            };
+                        }
+
+                        AddImpactItem(impactItems, "EKZ", deletedEkzCount);
+                        transaction.Commit();
+
+                        return new EkzDeleteResult
+                        {
+                            IsDeleted = true,
+                            ImpactItems = OrderImpactItems(impactItems)
+                        };
+                    }
+                }
+            }
+            catch (SqlException ex) when (ex.Number == 547)
+            {
+                return new EkzDeleteResult
+                {
+                    IsDeleted = false,
+                    ImpactItems = Array.Empty<EkzDeleteImpactItem>(),
+                    WarningMessage = CreateEkzDeleteFailedMessage(ex)
+                };
+            }
+        }
+
+        public IReadOnlyList<EkzDirectoryItem> LoadEkzItems()
+        {
+            const string sql = @"
+SELECT
+    z.IDEKZ AS Id,
+    z.IDTPRZ AS TypeSizeId,
+    areas.NMOI AS MeasurementAreaName,
+    names.NMTP AS InstrumentName,
+    tips.TP AS TypeName,
+    tprz.DPZN AS RangeText,
+    tprz.HRTC AS AccuracyText,
+    tprz.NNGSRS AS RegistryNumber,
+    z.IDFRPDV AS OwnerOrganizationId,
+    ownerOrg.NMFRPD AS OwnerOrganizationName,
+    z.NNZV AS SerialNumber,
+    z.NNIN AS InventoryNumber,
+    CAST(z.DSEKZ AS nvarchar(max)) AS Notes
+FROM dbo.EKZ z
+JOIN dbo.TPRZ tprz ON tprz.IDTPRZ = z.IDTPRZ
+JOIN dbo.TIPS tips ON tips.IDTIPS = tprz.IDTIPS
+JOIN dbo.SPNMTP names ON names.IDSPNMTP = tips.IDSPNMTP
+JOIN dbo.SPOI areas ON areas.IDSPOI = tips.IDSPOI
+JOIN dbo.FRPD ownerOrg ON ownerOrg.IDFRPD = z.IDFRPDV
+WHERE ISNULL(z.IsDeleted, 0) = 0
+ORDER BY ownerOrg.NMFRPD, areas.NMOI, names.NMTP, tips.TP, tprz.DPZN, z.NNZV, z.IDEKZ;";
+
+            var items = new List<EkzDirectoryItem>();
+
+            using (var connection = ReferenceDirectorySqlHelpers.CreateConnection())
+            using (var command = new SqlCommand(sql, connection))
+            {
+                connection.Open();
+                command.CommandTimeout = ReferenceDirectorySqlHelpers.GetCommandTimeoutSeconds();
+
+                using (var reader = command.ExecuteReader())
+                {
+                    while (reader.Read())
+                    {
+                        items.Add(new EkzDirectoryItem
+                        {
+                            Id = ReferenceDirectorySqlHelpers.GetInt32(reader, "Id"),
+                            TypeSizeId = ReferenceDirectorySqlHelpers.GetInt32(reader, "TypeSizeId"),
+                            MeasurementAreaName = ReferenceDirectorySqlHelpers.GetString(reader, "MeasurementAreaName"),
+                            InstrumentName = ReferenceDirectorySqlHelpers.GetString(reader, "InstrumentName"),
+                            TypeName = ReferenceDirectorySqlHelpers.GetString(reader, "TypeName"),
+                            RangeText = ReferenceDirectorySqlHelpers.GetString(reader, "RangeText"),
+                            AccuracyText = ReferenceDirectorySqlHelpers.GetString(reader, "AccuracyText"),
+                            RegistryNumber = ReferenceDirectorySqlHelpers.GetString(reader, "RegistryNumber"),
+                            OwnerOrganizationId = ReferenceDirectorySqlHelpers.GetInt32(reader, "OwnerOrganizationId"),
+                            OwnerOrganizationName = ReferenceDirectorySqlHelpers.GetString(reader, "OwnerOrganizationName"),
+                            SerialNumber = ReferenceDirectorySqlHelpers.GetString(reader, "SerialNumber"),
+                            InventoryNumber = ReferenceDirectorySqlHelpers.GetString(reader, "InventoryNumber"),
+                            Notes = ReferenceDirectorySqlHelpers.GetString(reader, "Notes")
+                        });
+                    }
+                }
+            }
+
+            return items;
+        }
+
+        public IReadOnlyList<EkzMkDirectoryItem> LoadEkzMkItems(int instrumentId)
+        {
+            const string sql = @"
+SELECT
+    m.IDEKZMK AS CardId,
+    m.IDEKZ AS InstrumentId,
+    verificationType.NMVDMK AS VerificationTypeName,
+    organization.NMFRPD AS VerificationOrganizationName,
+    m.NNZVPV AS DocumentNumber,
+    verificationDocument.NNDMS AS VerificationDocumentNumber,
+    verificationDocument.DTDMS AS VerificationDocumentDate,
+    m.PRMK AS PeriodMonths,
+    m.DTPRM AS AcceptedOn,
+    m.DTMKPL AS PlannedOn,
+    m.DTMKFK AS PerformedOn,
+    m.DTVDM AS IssuedOn,
+    m.GDN AS IsPassed,
+    CAST(m.DSEKZMK AS nvarchar(max)) AS Notes
+FROM dbo.EKZMK m
+LEFT JOIN dbo.SPVDMK verificationType ON verificationType.IDSPVDMK = m.IDSPVDMK
+LEFT JOIN dbo.FRPD organization ON organization.IDFRPD = m.IDFRPD
+OUTER APPLY
+(
+    SELECT TOP (1)
+        d.NND AS NNDMS,
+        d.DTD AS DTDMS
+    FROM dbo.DMS d
+    JOIN dbo.VDODVDD vdd ON vdd.IDVDODVDD = d.IDVDODVDD
+    JOIN dbo.FRDMS frdms ON frdms.IDFRDMS = d.IDFRDMS
+    JOIN dbo.SPVDD spvdd ON spvdd.IDSPVDD = frdms.IDSPVDD
+    WHERE d.IDOD = m.IDEKZMK
+      AND vdd.IDSPVDOD = 2
+      AND spvdd.IDSPVDD IN (2, 6, 8)
+    ORDER BY d.DTD DESC
+) verificationDocument
+WHERE m.IDEKZ = @InstrumentId
+ORDER BY ISNULL(m.DTPRM, CONVERT(datetime, '19000101', 112)) DESC, m.IDEKZMK DESC;";
+
+            var items = new List<EkzMkDirectoryItem>();
+
+            using (var connection = ReferenceDirectorySqlHelpers.CreateConnection())
+            using (var command = new SqlCommand(sql, connection))
+            {
+                connection.Open();
+                command.CommandTimeout = ReferenceDirectorySqlHelpers.GetCommandTimeoutSeconds();
+                command.Parameters.Add("@InstrumentId", SqlDbType.Int).Value = instrumentId;
+
+                using (var reader = command.ExecuteReader())
+                {
+                    while (reader.Read())
+                    {
+                        items.Add(new EkzMkDirectoryItem
+                        {
+                            CardId = ReferenceDirectorySqlHelpers.GetInt32(reader, "CardId"),
+                            InstrumentId = ReferenceDirectorySqlHelpers.GetInt32(reader, "InstrumentId"),
+                            VerificationTypeName = ReferenceDirectorySqlHelpers.GetString(reader, "VerificationTypeName"),
+                            VerificationOrganizationName = ReferenceDirectorySqlHelpers.GetString(reader, "VerificationOrganizationName"),
+                            DocumentNumber = ReferenceDirectorySqlHelpers.GetString(reader, "DocumentNumber"),
+                            VerificationDocumentNumber = ReferenceDirectorySqlHelpers.GetString(reader, "VerificationDocumentNumber"),
+                            VerificationDocumentDate = ReferenceDirectorySqlHelpers.GetNullableDateTime(reader, "VerificationDocumentDate"),
+                            PeriodMonths = ReferenceDirectorySqlHelpers.GetInt32(reader, "PeriodMonths"),
+                            AcceptedOn = ReferenceDirectorySqlHelpers.GetNullableDateTime(reader, "AcceptedOn"),
+                            PlannedOn = ReferenceDirectorySqlHelpers.GetNullableDateTime(reader, "PlannedOn"),
+                            PerformedOn = ReferenceDirectorySqlHelpers.GetNullableDateTime(reader, "PerformedOn"),
+                            IssuedOn = ReferenceDirectorySqlHelpers.GetNullableDateTime(reader, "IssuedOn"),
+                            IsPassed = ReferenceDirectorySqlHelpers.GetNullableBoolean(reader, "IsPassed"),
+                            Notes = ReferenceDirectorySqlHelpers.GetString(reader, "Notes")
+                        });
+                    }
+                }
+            }
+
+            return items;
+        }
+
+        public IReadOnlyList<DirectoryLookupItem> LoadFrpdReferences()
+        {
+            return ReferenceDirectorySqlHelpers.LoadLookupItems(@"
+SELECT
+    fr.IDFRPD AS Id,
+    fr.NMFRPD AS Name
+FROM dbo.FRPD fr
+WHERE NULLIF(LTRIM(RTRIM(fr.NMFRPD)), '') IS NOT NULL
+ORDER BY fr.NMFRPD, fr.IDFRPD;");
+        }
+
+        public IReadOnlyList<DirectoryLookupItem> LoadTypeSizeReferences()
+        {
+            return ReferenceDirectorySqlHelpers.LoadLookupItems(@"
+SELECT
+    tprz.IDTPRZ AS Id,
+    LTRIM(RTRIM(
+        COALESCE(NULLIF(areas.NMOI, N'') + N' / ', N'')
+        + COALESCE(NULLIF(names.NMTP, N'') + N' / ', N'')
+        + COALESCE(NULLIF(tips.TP, N''), N'')
+        + CASE WHEN NULLIF(LTRIM(RTRIM(tprz.DPZN)), N'') IS NULL THEN N'' ELSE N' / ' + tprz.DPZN END
+        + CASE
+            WHEN NULLIF(LTRIM(RTRIM(CONVERT(nvarchar(50), tprz.NNGSRS))), N'') IS NULL THEN N''
+            ELSE N' / № ГР ' + CONVERT(nvarchar(50), tprz.NNGSRS)
+          END
+    )) AS Name
+FROM dbo.TPRZ tprz
+JOIN dbo.TIPS tips ON tips.IDTIPS = tprz.IDTIPS
+JOIN dbo.SPNMTP names ON names.IDSPNMTP = tips.IDSPNMTP
+JOIN dbo.SPOI areas ON areas.IDSPOI = tips.IDSPOI
+ORDER BY areas.NMOI, names.NMTP, tips.TP, tprz.DPZN, tprz.IDTPRZ;");
+        }
+
+        public void UpdateEkzItem(EkzDirectoryItem item)
+        {
+            var normalizedItem = NormalizeEkzItem(item);
+            if (normalizedItem.Id <= 0)
+            {
+                throw new InvalidOperationException("Не выбрана запись EKZ для изменения.");
+            }
+
+            const string sql = @"
+UPDATE dbo.EKZ
+SET IDTPRZ = @TypeSizeId,
+    IDFRPDV = @OwnerOrganizationId,
+    NNZV = @SerialNumber,
+    NNIN = @InventoryNumber,
+    DSEKZ = @Notes
+WHERE IDEKZ = @Id;
+
+SELECT @@ROWCOUNT;";
+
+            using (var connection = ReferenceDirectorySqlHelpers.CreateConnection())
+            using (var command = new SqlCommand(sql, connection))
+            {
+                connection.Open();
+                EnsureEkzIsUnique(connection, normalizedItem.TypeSizeId, normalizedItem.OwnerOrganizationId, normalizedItem.SerialNumber, normalizedItem.Id);
+
+                command.CommandTimeout = ReferenceDirectorySqlHelpers.GetCommandTimeoutSeconds();
+                command.Parameters.Add("@Id", SqlDbType.Int).Value = normalizedItem.Id;
+                command.Parameters.Add("@TypeSizeId", SqlDbType.Int).Value = normalizedItem.TypeSizeId;
+                command.Parameters.Add("@OwnerOrganizationId", SqlDbType.Int).Value = normalizedItem.OwnerOrganizationId;
+                command.Parameters.Add("@SerialNumber", SqlDbType.VarChar, EkzDirectoryRules.SerialNumberMaxLength).Value = normalizedItem.SerialNumber;
+                ReferenceDirectorySqlHelpers.AddNullableStringParameter(command, "@InventoryNumber", SqlDbType.VarChar, EkzDirectoryRules.InventoryNumberMaxLength, normalizedItem.InventoryNumber);
+                ReferenceDirectorySqlHelpers.AddNullableStringParameter(command, "@Notes", SqlDbType.VarChar, EkzDirectoryRules.NotesMaxLength, normalizedItem.Notes);
+
+                if (Convert.ToInt32(command.ExecuteScalar()) == 0)
+                {
+                    throw new InvalidOperationException("Запись EKZ для изменения не найдена.");
+                }
+            }
+        }
+
+        private static EkzDeletePreview BuildEkzDeletePreview(SqlConnection connection, SqlTransaction transaction, int id)
+        {
+            if (!EkzExists(connection, transaction, id))
+            {
+                return new EkzDeletePreview
+                {
+                    CanDelete = false,
+                    ImpactItems = Array.Empty<EkzDeleteImpactItem>(),
+                    WarningMessage = "Запись EKZ для удаления не найдена."
+                };
+            }
+
+            var cardIds = LoadEkzMkCardIds(connection, transaction, id);
+            var blockers = new List<DeleteBlockerInfo>();
+            blockers.AddRange(ReferenceDirectorySqlHelpers.LoadDeleteBlockersFromForeignKeys(connection, transaction, "EKZ", id, CascadingEkzChildTables));
+            blockers.AddRange(LoadUnhandledDeleteBlockers(connection, transaction, "EKZMK", cardIds, CascadingEkzMkChildTables));
+
+            var impactItems = BuildImpactItems(connection, transaction, id, cardIds);
+            var mergedBlockers = MergeBlockers(blockers);
+            if (mergedBlockers.Count > 0)
+            {
+                return new EkzDeletePreview
+                {
+                    CanDelete = false,
+                    ImpactItems = impactItems,
+                    WarningMessage = CreateEkzCascadeBlockedMessage(mergedBlockers)
+                };
+            }
+
+            return new EkzDeletePreview
+            {
+                CanDelete = true,
+                ImpactItems = impactItems,
+                ConfirmationMessage = CreateEkzDeleteConfirmationMessage(impactItems)
+            };
+        }
+
+        private static IReadOnlyList<EkzDeleteImpactItem> BuildImpactItems(SqlConnection connection, SqlTransaction transaction, int instrumentId, IReadOnlyCollection<int> cardIds)
+        {
+            var impactItems = new List<EkzDeleteImpactItem>();
+            AddImpactItem(impactItems, "EKZ", 1);
+            AddImpactItem(impactItems, "EKZMK", cardIds == null ? 0 : cardIds.Count);
+            AddImpactItem(impactItems, "DMS", CountEkzDms(connection, transaction, instrumentId));
+            AddImpactItem(impactItems, "EKZMKFCTVL", CountEkzMkFctvl(connection, transaction, instrumentId));
+            AddImpactItem(impactItems, "EKZMKDH", CountEkzMkDh(connection, transaction, instrumentId));
+            AddImpactItem(impactItems, "EKZMKEKZK", CountEkzMkEkzk(connection, transaction, instrumentId));
+            AddImpactItem(impactItems, "EKZMKND", CountEkzMkNd(connection, transaction, instrumentId));
+            AddImpactItem(impactItems, "KSPELEKZMK", CountKspelEkzMk(connection, transaction, instrumentId));
+            AddImpactItem(impactItems, "EKZMCP", CountEkzMcp(connection, transaction, instrumentId));
+            return OrderImpactItems(impactItems);
+        }
+
+        private static IReadOnlyList<EkzDeleteImpactItem> OrderImpactItems(IEnumerable<EkzDeleteImpactItem> impactItems)
+        {
+            var order = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase)
+            {
+                { "EKZ", 1 },
+                { "EKZMK", 2 },
+                { "DMS", 3 },
+                { "EKZMKFCTVL", 4 },
+                { "EKZMKDH", 5 },
+                { "EKZMKEKZK", 6 },
+                { "EKZMKND", 7 },
+                { "KSPELEKZMK", 8 },
+                { "EKZMCP", 9 }
+            };
+
+            return (impactItems ?? Enumerable.Empty<EkzDeleteImpactItem>())
+                .Where(delegate(EkzDeleteImpactItem item) { return item != null && item.RowCount > 0; })
+                .OrderBy(delegate(EkzDeleteImpactItem item)
+                {
+                    int value;
+                    return order.TryGetValue(item.TableName ?? string.Empty, out value) ? value : int.MaxValue;
+                })
+                .ThenBy(delegate(EkzDeleteImpactItem item) { return item.TableName; }, StringComparer.OrdinalIgnoreCase)
+                .ToList();
+        }
+
+        private static void AddImpactItem(ICollection<EkzDeleteImpactItem> impactItems, string tableName, int rowCount)
+        {
+            if (impactItems == null || string.IsNullOrWhiteSpace(tableName) || rowCount <= 0)
+            {
+                return;
+            }
+
+            impactItems.Add(new EkzDeleteImpactItem
+            {
+                TableName = tableName,
+                RowCount = rowCount
+            });
+        }
+
+        private static string CreateEkzDeleteConfirmationMessage(IEnumerable<EkzDeleteImpactItem> impactItems)
+        {
+            var items = OrderImpactItems(impactItems).ToList();
+            var lines = new List<string>();
+            if (items.Count == 0)
+            {
+                lines.Add("Будет физически удалена только запись EKZ.");
+            }
+            else
+            {
+                lines.Add("Будут физически удалены записи:");
+                foreach (var item in items)
+                {
+                    lines.Add(string.Format("{0}: {1}", item.TableName, item.RowCount));
+                }
+            }
+
+            lines.Add(string.Empty);
+            lines.Add("Продолжить?");
+            return string.Join(Environment.NewLine, lines.ToArray());
+        }
+
+        private static string CreateEkzCascadeBlockedMessage(IEnumerable<DeleteBlockerInfo> blockers)
+        {
+            return string.Format(
+                "Экземпляр не может быть удалён автоматически. Есть связанные записи в таблицах, которые не входят в каскад удаления: {0}.",
+                FormatBlockerDetails(blockers));
+        }
+
+        private static string CreateEkzDeleteFailedMessage(SqlException ex)
+        {
+            var suffix = ex == null || string.IsNullOrWhiteSpace(ex.Message)
+                ? string.Empty
+                : " " + ex.Message.Trim();
+
+            return "Экземпляр не может быть удалён из-за ограничений ссылочной целостности БД." + suffix;
+        }
+
+        private static string FormatBlockerDetails(IEnumerable<DeleteBlockerInfo> blockers)
+        {
+            var details = string.Join(", ", (blockers ?? Enumerable.Empty<DeleteBlockerInfo>())
+                .Where(delegate(DeleteBlockerInfo blocker) { return blocker != null && blocker.RowCount > 0; })
+                .OrderBy(delegate(DeleteBlockerInfo blocker) { return blocker.TableName; }, StringComparer.OrdinalIgnoreCase)
+                .Select(delegate(DeleteBlockerInfo blocker) { return string.Format("{0}: {1}", blocker.TableName, blocker.RowCount); }));
+
+            return string.IsNullOrWhiteSpace(details) ? "связанные данные" : details;
+        }
+
+        private static List<DeleteBlockerInfo> MergeBlockers(IEnumerable<DeleteBlockerInfo> blockers)
+        {
+            return (blockers ?? Enumerable.Empty<DeleteBlockerInfo>())
+                .Where(delegate(DeleteBlockerInfo blocker) { return blocker != null && blocker.RowCount > 0 && !string.IsNullOrWhiteSpace(blocker.TableName); })
+                .GroupBy(delegate(DeleteBlockerInfo blocker) { return blocker.TableName; }, StringComparer.OrdinalIgnoreCase)
+                .Select(delegate(IGrouping<string, DeleteBlockerInfo> group)
+                {
+                    return new DeleteBlockerInfo
+                    {
+                        TableName = group.Key,
+                        RowCount = group.Sum(delegate(DeleteBlockerInfo blocker) { return blocker.RowCount; })
+                    };
+                })
+                .OrderBy(delegate(DeleteBlockerInfo blocker) { return blocker.TableName; }, StringComparer.OrdinalIgnoreCase)
+                .ToList();
+        }
+
+        private static List<DeleteBlockerInfo> LoadUnhandledDeleteBlockers(SqlConnection connection, SqlTransaction transaction, string parentTableName, IEnumerable<int> ids, IEnumerable<string> excludedChildTables)
+        {
+            var blockers = new List<DeleteBlockerInfo>();
+            foreach (var id in (ids ?? Enumerable.Empty<int>()).Where(delegate(int value) { return value > 0; }).Distinct())
+            {
+                blockers.AddRange(ReferenceDirectorySqlHelpers.LoadDeleteBlockersFromForeignKeys(connection, transaction, parentTableName, id, excludedChildTables));
+            }
+
+            return MergeBlockers(blockers);
+        }
+
+        private static bool EkzExists(SqlConnection connection, SqlTransaction transaction, int id)
+        {
+            const string sql = @"
+SELECT COUNT(1)
+FROM dbo.EKZ
+WHERE IDEKZ = @Id;";
+
+            return ExecuteScalarForId(connection, transaction, sql, id) > 0;
+        }
+
+        private static List<int> LoadEkzMkCardIds(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            const string sql = @"
+SELECT IDEKZMK
+FROM dbo.EKZMK
+WHERE IDEKZ = @InstrumentId
+ORDER BY IDEKZMK;";
+
+            return ExecuteIdList(connection, transaction, sql, "@InstrumentId", instrumentId);
+        }
+
+        private static int CountEkzMcp(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+SELECT COUNT(*)
+FROM dbo.EKZMCP
+WHERE IDEKZ = @InstrumentId;", instrumentId);
+        }
+
+        private static int CountEkzMkFctvl(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+SELECT COUNT(*)
+FROM dbo.EKZMKFCTVL child
+JOIN dbo.EKZMK parent ON parent.IDEKZMK = child.IDEKZMK
+WHERE parent.IDEKZ = @InstrumentId;", instrumentId);
+        }
+
+        private static int CountEkzMkDh(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+SELECT COUNT(*)
+FROM dbo.EKZMKDH child
+JOIN dbo.EKZMK parent ON parent.IDEKZMK = child.IDEKZMK
+WHERE parent.IDEKZ = @InstrumentId;", instrumentId);
+        }
+
+        private static int CountEkzMkEkzk(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+SELECT COUNT(*)
+FROM dbo.EKZMKEKZK child
+JOIN dbo.EKZMK parent ON parent.IDEKZMK = child.IDEKZMK
+WHERE parent.IDEKZ = @InstrumentId;", instrumentId);
+        }
+
+        private static int CountEkzMkNd(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+SELECT COUNT(*)
+FROM dbo.EKZMKND child
+JOIN dbo.EKZMK parent ON parent.IDEKZMK = child.IDEKZMK
+WHERE parent.IDEKZ = @InstrumentId;", instrumentId);
+        }
+
+        private static int CountKspelEkzMk(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+SELECT COUNT(*)
+FROM dbo.KSPELEKZMK child
+JOIN dbo.EKZMK parent ON parent.IDEKZMK = child.IDEKZMK
+WHERE parent.IDEKZ = @InstrumentId;", instrumentId);
+        }
+
+        private static int CountEkzDms(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+SELECT COUNT(*)
+FROM dbo.DMS d
+JOIN dbo.VDODVDD vdd ON vdd.IDVDODVDD = d.IDVDODVDD
+JOIN dbo.EKZMK m ON m.IDEKZMK = d.IDOD
+WHERE m.IDEKZ = @InstrumentId
+  AND vdd.IDSPVDOD = 2;", instrumentId);
+        }
+
+        private static int DeleteEkzMcp(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+DELETE FROM dbo.EKZMCP
+WHERE IDEKZ = @InstrumentId;
+
+SELECT @@ROWCOUNT;", instrumentId);
+        }
+
+        private static int DeleteEkzMkFctvl(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+DELETE child
+FROM dbo.EKZMKFCTVL child
+JOIN dbo.EKZMK parent ON parent.IDEKZMK = child.IDEKZMK
+WHERE parent.IDEKZ = @InstrumentId;
+
+SELECT @@ROWCOUNT;", instrumentId);
+        }
+
+        private static int DeleteEkzMkDh(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+DELETE child
+FROM dbo.EKZMKDH child
+JOIN dbo.EKZMK parent ON parent.IDEKZMK = child.IDEKZMK
+WHERE parent.IDEKZ = @InstrumentId;
+
+SELECT @@ROWCOUNT;", instrumentId);
+        }
+
+        private static int DeleteEkzMkEkzk(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+DELETE child
+FROM dbo.EKZMKEKZK child
+JOIN dbo.EKZMK parent ON parent.IDEKZMK = child.IDEKZMK
+WHERE parent.IDEKZ = @InstrumentId;
+
+SELECT @@ROWCOUNT;", instrumentId);
+        }
+
+        private static int DeleteEkzMkNd(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+DELETE child
+FROM dbo.EKZMKND child
+JOIN dbo.EKZMK parent ON parent.IDEKZMK = child.IDEKZMK
+WHERE parent.IDEKZ = @InstrumentId;
+
+SELECT @@ROWCOUNT;", instrumentId);
+        }
+
+        private static int DeleteKspelEkzMk(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+DELETE child
+FROM dbo.KSPELEKZMK child
+JOIN dbo.EKZMK parent ON parent.IDEKZMK = child.IDEKZMK
+WHERE parent.IDEKZ = @InstrumentId;
+
+SELECT @@ROWCOUNT;", instrumentId);
+        }
+
+        private static int DeleteEkzDms(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+DELETE d
+FROM dbo.DMS d
+JOIN dbo.VDODVDD vdd ON vdd.IDVDODVDD = d.IDVDODVDD
+JOIN dbo.EKZMK m ON m.IDEKZMK = d.IDOD
+WHERE m.IDEKZ = @InstrumentId
+  AND vdd.IDSPVDOD = 2;
+
+SELECT @@ROWCOUNT;", instrumentId);
+        }
+
+        private static int DeleteEkzMk(SqlConnection connection, SqlTransaction transaction, int instrumentId)
+        {
+            return ExecuteScalarForInstrument(connection, transaction, @"
+DELETE FROM dbo.EKZMK
+WHERE IDEKZ = @InstrumentId;
+
+SELECT @@ROWCOUNT;", instrumentId);
+        }
+
+        private static int DeleteEkz(SqlConnection connection, SqlTransaction transaction, int id)
+        {
+            return ExecuteScalarForId(connection, transaction, @"
+DELETE FROM dbo.EKZ
+WHERE IDEKZ = @Id;
+
+SELECT @@ROWCOUNT;", id);
+        }
+
+        private static int ExecuteScalarForInstrument(SqlConnection connection, SqlTransaction transaction, string sql, int instrumentId)
+        {
+            using (var command = new SqlCommand(sql, connection, transaction))
+            {
+                command.CommandTimeout = ReferenceDirectorySqlHelpers.GetCommandTimeoutSeconds();
+                command.Parameters.Add("@InstrumentId", SqlDbType.Int).Value = instrumentId;
+                return Convert.ToInt32(command.ExecuteScalar());
+            }
+        }
+
+        private static int ExecuteScalarForId(SqlConnection connection, SqlTransaction transaction, string sql, int id)
+        {
+            using (var command = new SqlCommand(sql, connection, transaction))
+            {
+                command.CommandTimeout = ReferenceDirectorySqlHelpers.GetCommandTimeoutSeconds();
+                command.Parameters.Add("@Id", SqlDbType.Int).Value = id;
+                return Convert.ToInt32(command.ExecuteScalar());
+            }
+        }
+
+        private static List<int> ExecuteIdList(SqlConnection connection, SqlTransaction transaction, string sql, string parameterName, int parameterValue)
+        {
+            var result = new List<int>();
+            using (var command = new SqlCommand(sql, connection, transaction))
+            {
+                command.CommandTimeout = ReferenceDirectorySqlHelpers.GetCommandTimeoutSeconds();
+                command.Parameters.Add(parameterName, SqlDbType.Int).Value = parameterValue;
+
+                using (var reader = command.ExecuteReader())
+                {
+                    while (reader.Read())
+                    {
+                        result.Add(reader.GetInt32(0));
+                    }
+                }
+            }
+
+            return result;
+        }
+
+        private static string NormalizeOptional(string value)
+        {
+            return string.IsNullOrWhiteSpace(value) ? null : value.Trim();
+        }
+
+        private static EkzDirectoryItem NormalizeEkzItem(EkzDirectoryItem item)
+        {
+            if (item == null)
+            {
+                throw new InvalidOperationException("Не переданы данные записи EKZ.");
+            }
+
+            var normalizedItem = new EkzDirectoryItem
+            {
+                Id = item.Id,
+                TypeSizeId = item.TypeSizeId,
+                OwnerOrganizationId = item.OwnerOrganizationId,
+                SerialNumber = NormalizeOptional(item.SerialNumber),
+                InventoryNumber = NormalizeOptional(item.InventoryNumber),
+                Notes = NormalizeOptional(item.Notes)
+            };
+
+            if (normalizedItem.TypeSizeId <= 0)
+            {
+                throw new InvalidOperationException("Не указан типоразмер СИ.");
+            }
+
+            if (normalizedItem.OwnerOrganizationId <= 0)
+            {
+                throw new InvalidOperationException("Не указана организация-владелец.");
+            }
+
+            if (string.IsNullOrWhiteSpace(normalizedItem.SerialNumber))
+            {
+                throw new InvalidOperationException("Не указан заводской номер.");
+            }
+
+            if (normalizedItem.SerialNumber.Length > EkzDirectoryRules.SerialNumberMaxLength)
+            {
+                throw new InvalidOperationException(string.Format("Заводской номер не должен превышать {0} символов.", EkzDirectoryRules.SerialNumberMaxLength));
+            }
+
+            if (!string.IsNullOrWhiteSpace(normalizedItem.InventoryNumber) && normalizedItem.InventoryNumber.Length > EkzDirectoryRules.InventoryNumberMaxLength)
+            {
+                throw new InvalidOperationException(string.Format("Инвентарный номер не должен превышать {0} символов.", EkzDirectoryRules.InventoryNumberMaxLength));
+            }
+
+            if (!string.IsNullOrWhiteSpace(normalizedItem.Notes) && normalizedItem.Notes.Length > EkzDirectoryRules.NotesMaxLength)
+            {
+                throw new InvalidOperationException(string.Format("Примечание не должно превышать {0} символов.", EkzDirectoryRules.NotesMaxLength));
+            }
+
+            return normalizedItem;
+        }
+
+        private static void EnsureEkzIsUnique(SqlConnection connection, int typeSizeId, int ownerOrganizationId, string serialNumber, int? excludeId)
+        {
+            const string sql = @"
+SELECT TOP (1) z.IDEKZ
+FROM dbo.EKZ z
+WHERE z.IDTPRZ = @TypeSizeId
+  AND z.IDFRPDV = @OwnerOrganizationId
+  AND z.NNZV = @SerialNumber
+  AND ISNULL(z.IsDeleted, 0) = 0
+  AND (@ExcludeId IS NULL OR z.IDEKZ <> @ExcludeId)
+ORDER BY z.IDEKZ DESC;";
+
+            using (var command = new SqlCommand(sql, connection))
+            {
+                command.CommandTimeout = ReferenceDirectorySqlHelpers.GetCommandTimeoutSeconds();
+                command.Parameters.Add("@TypeSizeId", SqlDbType.Int).Value = typeSizeId;
+                command.Parameters.Add("@OwnerOrganizationId", SqlDbType.Int).Value = ownerOrganizationId;
+                command.Parameters.Add("@SerialNumber", SqlDbType.VarChar, EkzDirectoryRules.SerialNumberMaxLength).Value = serialNumber;
+                ReferenceDirectorySqlHelpers.AddNullableIntParameter(command, "@ExcludeId", excludeId);
+
+                if (command.ExecuteScalar() != null)
+                {
+                    throw new InvalidOperationException("Экземпляр с таким типоразмером, владельцем и заводским номером уже существует.");
+                }
+            }
+        }
+    }
+}