359 lines
17 KiB
C#
359 lines
17 KiB
C#
using Sap.Data.Hana;
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using TrafagSalesExporter.Models;
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namespace TrafagSalesExporter.Services;
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public class HanaQueryService : IHanaQueryService
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{
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private const string TscParameterName = "tsc";
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private const string DateFilterParameterName = "dateFilter";
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private readonly IAppEventLogService _appEventLogService;
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public HanaQueryService(IAppEventLogService appEventLogService)
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{
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_appEventLogService = appEventLogService;
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}
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public async Task<List<SalesRecord>> GetSalesRecordsAsync(HanaServer server,
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string schema, string tsc, string land, string dateFilter, CancellationToken cancellationToken = default)
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{
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var connectionString = server.BuildConnectionString();
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var result = new List<SalesRecord>();
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try
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{
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await _appEventLogService.WriteAsync("HANA", "Verbindungsaufbau gestartet", land: land,
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details: $"Server={server.GetConnectionStringPreview()} | Schema={schema} | TSC={tsc}");
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using var connection = new HanaConnection(connectionString);
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await connection.OpenAsync(cancellationToken);
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await _appEventLogService.WriteAsync("HANA", "Verbindung erfolgreich", land: land,
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details: $"Schema={schema} | TSC={tsc}");
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var invoiceQuery = GetInvoiceQuery(schema);
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var creditNoteQuery = GetCreditNoteQuery(schema);
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var parsedDateFilter = ParseDateFilter(dateFilter);
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await _appEventLogService.WriteAsync("HANA", "Invoice-Query gestartet", land: land,
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details: BuildQueryLogDetails(invoiceQuery, schema, tsc, parsedDateFilter));
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var invoiceRecords = await ReadRecordsAsync(connection, invoiceQuery, tsc, parsedDateFilter, land, "Invoice", cancellationToken);
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result.AddRange(invoiceRecords);
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await _appEventLogService.WriteAsync("HANA", "Invoice-Query beendet", land: land, details: $"Zeilen={invoiceRecords.Count}");
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await _appEventLogService.WriteAsync("HANA", "Credit-Query gestartet", land: land,
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details: BuildQueryLogDetails(creditNoteQuery, schema, tsc, parsedDateFilter));
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var creditRecords = await ReadRecordsAsync(connection, creditNoteQuery, tsc, parsedDateFilter, land, "Credit", cancellationToken);
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result.AddRange(creditRecords);
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await _appEventLogService.WriteAsync("HANA", "Credit-Query beendet", land: land, details: $"Zeilen={creditRecords.Count}");
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}
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catch (Exception ex)
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{
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await _appEventLogService.WriteAsync("HANA", "HANA-Abfrage fehlgeschlagen", "Error", land: land, details: ex.ToString());
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throw;
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}
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foreach (var record in result)
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{
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if (record.Material.Contains('/'))
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{
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var parts = record.Material.Split('/');
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record.Material = parts[^1];
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}
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}
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return result;
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}
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public async Task<ConnectionTestResult> TestConnectionDetailedAsync(HanaServer server, CancellationToken cancellationToken = default)
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{
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var testResult = new ConnectionTestResult
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{
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TestedAtUtc = DateTime.UtcNow,
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ConnectionStringPreview = server.GetConnectionStringPreview(),
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Stage = "Verbindungsaufbau"
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};
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try
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{
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await _appEventLogService.WriteAsync("HANA", "Verbindungstest gestartet",
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details: testResult.ConnectionStringPreview);
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var connectionString = server.BuildConnectionString();
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using var connection = new HanaConnection(connectionString);
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await connection.OpenAsync(cancellationToken);
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testResult.Stage = "Ping-Query";
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using var command = new HanaCommand("SELECT 1 FROM DUMMY", connection);
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await command.ExecuteScalarAsync(cancellationToken);
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testResult.Success = true;
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testResult.Stage = "OK";
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await _appEventLogService.WriteAsync("HANA", "Verbindungstest erfolgreich",
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details: testResult.ConnectionStringPreview);
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return testResult;
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}
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catch (Exception ex)
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{
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testResult.Success = false;
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testResult.ErrorMessage = ex.Message;
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testResult.ExceptionType = ex.GetType().Name;
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await _appEventLogService.WriteAsync("HANA", "Verbindungstest fehlgeschlagen", "Error",
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details: $"{testResult.ConnectionStringPreview}{Environment.NewLine}{ex}");
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return testResult;
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}
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}
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public async Task TestConnectionAsync(HanaServer server, CancellationToken cancellationToken = default)
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{
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var connectionString = server.BuildConnectionString();
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using var connection = new HanaConnection(connectionString);
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await connection.OpenAsync(cancellationToken);
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}
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public async Task<List<string>> GetAvailableSchemasAsync(HanaServer server, CancellationToken cancellationToken = default)
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{
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var connectionString = server.BuildConnectionString();
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using var connection = new HanaConnection(connectionString);
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await connection.OpenAsync(cancellationToken);
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const string query = """
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SELECT schema_name
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FROM (
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SELECT schema_name, COUNT(DISTINCT table_name) AS required_table_count
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FROM sys.tables
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WHERE table_name IN ('OINV', 'INV1', 'ORIN', 'RIN1', 'OCRD', 'OITM')
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GROUP BY schema_name
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) t
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WHERE required_table_count >= 4
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ORDER BY schema_name;
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""";
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using var command = new HanaCommand(query, connection);
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using var reader = await command.ExecuteReaderAsync(cancellationToken);
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var schemas = new List<string>();
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while (await reader.ReadAsync(cancellationToken))
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{
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var schema = reader["schema_name"]?.ToString()?.Trim();
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if (!string.IsNullOrWhiteSpace(schema))
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schemas.Add(schema);
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}
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return schemas;
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}
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private async Task<List<SalesRecord>> ReadRecordsAsync(HanaConnection connection, string query, string tsc, DateTime dateFilter, string land, string queryName, CancellationToken cancellationToken)
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{
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var records = new List<SalesRecord>();
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using var command = new HanaCommand(query, connection);
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command.Parameters.Add(new HanaParameter(TscParameterName, HanaDbType.NVarChar) { Value = tsc });
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command.Parameters.Add(new HanaParameter(DateFilterParameterName, HanaDbType.Date) { Value = dateFilter.Date });
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using var reader = await command.ExecuteReaderAsync(cancellationToken);
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var counter = 0;
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while (await reader.ReadAsync(cancellationToken))
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{
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records.Add(new SalesRecord
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{
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ExtractionDate = reader.GetDateTime(reader.GetOrdinal("extraction_date")),
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Tsc = reader.GetString(reader.GetOrdinal("tsc")),
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DocumentEntry = Convert.ToInt32(reader["document_entry"]),
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InvoiceNumber = reader["invoice_number"]?.ToString() ?? string.Empty,
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PositionOnInvoice = Convert.ToInt32(reader["invoice_position"]),
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InvoiceDate = reader.IsDBNull(reader.GetOrdinal("invoice_date")) ? null : reader.GetDateTime(reader.GetOrdinal("invoice_date")),
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Material = reader["material"]?.ToString() ?? string.Empty,
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Name = reader["material_name"]?.ToString() ?? string.Empty,
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ProductGroup = reader["product_group"]?.ToString() ?? string.Empty,
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Quantity = Convert.ToDecimal(reader["quantity"]),
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SupplierNumber = reader["supplier_number"]?.ToString() ?? string.Empty,
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SupplierName = reader["supplier_name"]?.ToString() ?? string.Empty,
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SupplierCountry = reader["supplier_country"]?.ToString() ?? string.Empty,
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CustomerNumber = reader["customer_number"]?.ToString() ?? string.Empty,
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CustomerName = reader["customer_name"]?.ToString() ?? string.Empty,
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CustomerCountry = reader["customer_country"]?.ToString() ?? string.Empty,
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CustomerIndustry = reader["customer_industry"]?.ToString() ?? string.Empty,
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StandardCost = Convert.ToDecimal(reader["standard_cost"]),
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StandardCostCurrency = reader["standard_cost_currency"]?.ToString() ?? string.Empty,
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PurchaseOrderNumber = reader["purchase_order_number"]?.ToString() ?? string.Empty,
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SalesPriceValue = Convert.ToDecimal(reader["sales_value"]),
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SalesCurrency = reader["sales_currency"]?.ToString() ?? string.Empty,
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DocumentCurrency = reader["document_currency"]?.ToString() ?? string.Empty,
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DocumentTotalForeignCurrency = Convert.ToDecimal(reader["document_total_fc"]),
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DocumentTotalLocalCurrency = Convert.ToDecimal(reader["document_total_lc"]),
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VatSumForeignCurrency = Convert.ToDecimal(reader["vat_sum_fc"]),
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VatSumLocalCurrency = Convert.ToDecimal(reader["vat_sum_lc"]),
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DocumentRate = Convert.ToDecimal(reader["document_rate"]),
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CompanyCurrency = reader["company_currency"]?.ToString() ?? string.Empty,
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Incoterms2020 = reader["incoterms_2020"]?.ToString() ?? string.Empty,
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SalesResponsibleEmployee = reader["sales_responsible"]?.ToString() ?? string.Empty,
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OrderDate = reader.IsDBNull(reader.GetOrdinal("order_date")) ? null : reader.GetDateTime(reader.GetOrdinal("order_date")),
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Land = land,
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DocumentType = reader["doc_type"]?.ToString() ?? string.Empty
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});
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counter++;
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if (counter % 250 == 0)
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{
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await _appEventLogService.WriteDebugAsync("HANA", $"{queryName}-Query liest Daten", land: land,
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details: $"Bisher gelesene Zeilen={counter}");
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}
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}
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return records;
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}
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private static string GetInvoiceQuery(string schema)
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{
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var schemaPrefix = BuildSchemaPrefix(schema);
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return $@"
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SELECT
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CURRENT_TIMESTAMP AS extraction_date,
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:{TscParameterName} AS tsc,
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h.""DocEntry"" AS document_entry,
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h.""DocNum"" AS invoice_number,
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p.""LineNum"" AS invoice_position,
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h.""DocDate"" AS invoice_date,
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p.""ItemCode"" AS material,
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p.""Dscription"" AS material_name,
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COALESCE(grp.""ItmsGrpNam"", '') AS product_group,
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p.""Quantity"" AS quantity,
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COALESCE(itm.""CardCode"", '') AS supplier_number,
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COALESCE(sup.""CardName"", '') AS supplier_name,
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COALESCE(sup_adr.""Country"", '') AS supplier_country,
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h.""CardCode"" AS customer_number,
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h.""CardName"" AS customer_name,
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COALESCE(cust_adr.""Country"", '') AS customer_country,
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COALESCE(ind.""IndName"", '') AS customer_industry,
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p.""StockPrice"" AS standard_cost,
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COALESCE(adm.""MainCurncy"", '') AS standard_cost_currency,
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CASE WHEN p.""BaseType"" = 22
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THEN CAST(p.""BaseRef"" AS NVARCHAR(20))
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ELSE '' END AS purchase_order_number,
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p.""LineTotal"" AS sales_value,
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COALESCE(p.""Currency"", h.""DocCur"") AS sales_currency,
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COALESCE(h.""DocCur"", '') AS document_currency,
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COALESCE(h.""DocTotalFC"", 0) AS document_total_fc,
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COALESCE(h.""DocTotal"", 0) AS document_total_lc,
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COALESCE(h.""VatSumFC"", 0) AS vat_sum_fc,
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COALESCE(h.""VatSum"", 0) AS vat_sum_lc,
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COALESCE(h.""DocRate"", 0) AS document_rate,
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COALESCE(adm.""MainCurncy"", '') AS company_currency,
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'' AS incoterms_2020,
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COALESCE(emp.""SlpName"", '') AS sales_responsible,
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CASE WHEN p.""BaseType"" = 17
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THEN (SELECT o.""DocDate"" FROM {schemaPrefix}""ORDR"" o
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WHERE o.""DocEntry"" = p.""BaseEntry"")
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ELSE NULL END AS order_date,
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'INV' AS doc_type
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FROM {schemaPrefix}""OINV"" h
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INNER JOIN {schemaPrefix}""INV1"" p ON h.""DocEntry"" = p.""DocEntry""
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CROSS JOIN {schemaPrefix}""OADM"" adm
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LEFT JOIN {schemaPrefix}""OITM"" itm ON p.""ItemCode"" = itm.""ItemCode""
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LEFT JOIN {schemaPrefix}""OITB"" grp ON itm.""ItmsGrpCod"" = grp.""ItmsGrpCod""
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LEFT JOIN {schemaPrefix}""OCRD"" cust ON h.""CardCode"" = cust.""CardCode""
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LEFT JOIN {schemaPrefix}""CRD1"" cust_adr ON h.""CardCode"" = cust_adr.""CardCode""
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AND cust_adr.""AdresType"" = 'B' AND cust_adr.""Address"" = h.""PayToCode""
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LEFT JOIN {schemaPrefix}""OOND"" ind ON cust.""IndustryC"" = ind.""IndCode""
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LEFT JOIN {schemaPrefix}""OCRD"" sup ON itm.""CardCode"" = sup.""CardCode""
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AND sup.""CardType"" = 'S'
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LEFT JOIN {schemaPrefix}""CRD1"" sup_adr ON itm.""CardCode"" = sup_adr.""CardCode""
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AND sup_adr.""AdresType"" = 'B'
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LEFT JOIN {schemaPrefix}""OSLP"" emp ON h.""SlpCode"" = emp.""SlpCode""
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WHERE h.""CANCELED"" = 'N' AND h.""DocDate"" >= :{DateFilterParameterName}
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ORDER BY h.""DocDate"" DESC, h.""DocNum"", p.""LineNum""";
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}
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private static string GetCreditNoteQuery(string schema)
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{
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var schemaPrefix = BuildSchemaPrefix(schema);
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return $@"
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SELECT
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CURRENT_TIMESTAMP AS extraction_date,
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:{TscParameterName} AS tsc,
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h.""DocEntry"" AS document_entry,
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h.""DocNum"" AS invoice_number,
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p.""LineNum"" AS invoice_position,
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h.""DocDate"" AS invoice_date,
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p.""ItemCode"" AS material,
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p.""Dscription"" AS material_name,
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COALESCE(grp.""ItmsGrpNam"", '') AS product_group,
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p.""Quantity"" * -1 AS quantity,
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COALESCE(itm.""CardCode"", '') AS supplier_number,
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COALESCE(sup.""CardName"", '') AS supplier_name,
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COALESCE(sup_adr.""Country"", '') AS supplier_country,
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h.""CardCode"" AS customer_number,
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h.""CardName"" AS customer_name,
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COALESCE(cust_adr.""Country"", '') AS customer_country,
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COALESCE(ind.""IndName"", '') AS customer_industry,
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p.""StockPrice"" AS standard_cost,
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COALESCE(adm.""MainCurncy"", '') AS standard_cost_currency,
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'' AS purchase_order_number,
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p.""LineTotal"" * -1 AS sales_value,
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COALESCE(p.""Currency"", h.""DocCur"") AS sales_currency,
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COALESCE(h.""DocCur"", '') AS document_currency,
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COALESCE(h.""DocTotalFC"", 0) * -1 AS document_total_fc,
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COALESCE(h.""DocTotal"", 0) * -1 AS document_total_lc,
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COALESCE(h.""VatSumFC"", 0) * -1 AS vat_sum_fc,
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COALESCE(h.""VatSum"", 0) * -1 AS vat_sum_lc,
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COALESCE(h.""DocRate"", 0) AS document_rate,
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COALESCE(adm.""MainCurncy"", '') AS company_currency,
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'' AS incoterms_2020,
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COALESCE(emp.""SlpName"", '') AS sales_responsible,
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NULL AS order_date,
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'CRN' AS doc_type
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FROM {schemaPrefix}""ORIN"" h
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INNER JOIN {schemaPrefix}""RIN1"" p ON h.""DocEntry"" = p.""DocEntry""
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CROSS JOIN {schemaPrefix}""OADM"" adm
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LEFT JOIN {schemaPrefix}""OITM"" itm ON p.""ItemCode"" = itm.""ItemCode""
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LEFT JOIN {schemaPrefix}""OITB"" grp ON itm.""ItmsGrpCod"" = grp.""ItmsGrpCod""
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LEFT JOIN {schemaPrefix}""OCRD"" cust ON h.""CardCode"" = cust.""CardCode""
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LEFT JOIN {schemaPrefix}""CRD1"" cust_adr ON h.""CardCode"" = cust_adr.""CardCode""
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AND cust_adr.""AdresType"" = 'B' AND cust_adr.""Address"" = h.""PayToCode""
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LEFT JOIN {schemaPrefix}""OOND"" ind ON cust.""IndustryC"" = ind.""IndCode""
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LEFT JOIN {schemaPrefix}""OCRD"" sup ON itm.""CardCode"" = sup.""CardCode""
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AND sup.""CardType"" = 'S'
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LEFT JOIN {schemaPrefix}""CRD1"" sup_adr ON itm.""CardCode"" = sup_adr.""CardCode""
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AND sup_adr.""AdresType"" = 'B'
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LEFT JOIN {schemaPrefix}""OSLP"" emp ON h.""SlpCode"" = emp.""SlpCode""
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WHERE h.""CANCELED"" = 'N' AND h.""DocDate"" >= :{DateFilterParameterName}
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ORDER BY h.""DocDate"" DESC, h.""DocNum"", p.""LineNum""";
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}
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private static DateTime ParseDateFilter(string dateFilter)
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{
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if (DateTime.TryParse(dateFilter, out var parsed))
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return parsed.Date;
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throw new InvalidOperationException($"Ungueltiger HANA-DateFilter: '{dateFilter}'. Erwartet wird ein parsebares Datum.");
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}
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private static string BuildQueryLogDetails(string query, string schema, string tsc, DateTime dateFilter)
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=> $"{query}{Environment.NewLine}-- schema={schema}; tsc={tsc}; dateFilter={dateFilter:yyyy-MM-dd}";
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private static string BuildSchemaPrefix(string identifier)
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{
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var value = identifier?.Trim() ?? string.Empty;
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if (string.IsNullOrWhiteSpace(value))
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throw new InvalidOperationException("HANA-Schema darf nicht leer sein.");
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foreach (var ch in value)
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{
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if (!(char.IsLetterOrDigit(ch) || ch == '_'))
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throw new InvalidOperationException($"Ungueltiger HANA-Identifier: '{identifier}'.");
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}
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return $"{value}.";
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}
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}
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public class ConnectionTestResult
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{
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public bool Success { get; set; }
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public DateTime TestedAtUtc { get; set; }
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public string Stage { get; set; } = string.Empty;
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public string ErrorMessage { get; set; } = string.Empty;
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public string ExceptionType { get; set; } = string.Empty;
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public string ConnectionStringPreview { get; set; } = string.Empty;
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}
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