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Ai/TrafagSalesExporter/Components/Pages/Standorte.razor
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2026-04-17 10:29:41 +02:00

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@page "/standorte"
@using Microsoft.AspNetCore.Components.Forms
@using Microsoft.EntityFrameworkCore
@using System.Text.Json
@using System.Reflection
@using TrafagSalesExporter.Data
@using TrafagSalesExporter.Models
@using TrafagSalesExporter.Services
@inject IDbContextFactory<AppDbContext> DbFactory
@inject IHanaQueryService HanaService
@inject ISapGatewayService SapGatewayService
@inject IAppEventLogService AppEventLogService
@inject ISnackbar Snackbar
@inject IDialogService DialogService
<PageTitle>Standorte</PageTitle>
<MudText Typo="Typo.h4" Class="mb-4">Standorte</MudText>
<MudText Typo="Typo.h5" Class="mb-2">Zentrale HANA-Technik</MudText>
<MudPaper Class="pa-4 mb-6" Elevation="1">
<MudAlert Severity="Severity.Info" Dense="true" Variant="Variant.Outlined" Class="mb-3">
Hier erscheinen nur Quellsysteme mit Anschlussart HANA. SAP wird zentral unter Settings -> Quellsysteme gepflegt.
Standorte mit `BI1` oder `SAGE` verwenden diese technischen HANA-Werte automatisch. Im Standort selbst bleiben nur Schema, TSC, Land und optionale Username-/Password-Overrides.
</MudAlert>
<MudText Typo="Typo.body2" Class="mb-3">
Neue HANA-Zeilen entstehen aus den zentral gepflegten Quellsystemen. Falls hier etwas fehlt, lege das Quellsystem in Settings -> Quellsysteme mit Anschlussart `HANA` an.
</MudText>
<MudTable Items="_servers" Dense Hover Striped>
<HeaderContent>
<MudTh>Quellsystem</MudTh>
<MudTh>Name</MudTh>
<MudTh>Host</MudTh>
<MudTh>Port</MudTh>
<MudTh>Verbindungsstatus</MudTh>
<MudTh>Aktionen</MudTh>
</HeaderContent>
<RowTemplate>
<MudTd>@context.SourceSystem</MudTd>
<MudTd>@context.Name</MudTd>
<MudTd>@context.Host</MudTd>
<MudTd>@context.Port</MudTd>
<MudTd>
@if (_connectionStatus.TryGetValue(context.Id, out var status))
{
<MudTooltip Text="@BuildStatusTooltip(status)">
<MudChip T="string" Color="@(status.Success ? Color.Success : Color.Error)" Variant="Variant.Filled" Size="Size.Small">
@(status.Success ? "OK" : "Fehler") - @status.Stage
</MudChip>
</MudTooltip>
}
else
{
<MudChip T="string" Color="Color.Default" Variant="Variant.Outlined" Size="Size.Small">Nicht getestet</MudChip>
}
</MudTd>
<MudTd>
<MudIconButton Icon="@Icons.Material.Filled.Edit" Size="Size.Small"
OnClick="() => EditServer(context)" />
<MudIconButton Icon="@Icons.Material.Filled.NetworkCheck" Size="Size.Small" Color="Color.Info"
OnClick="() => TestServerConnection(context)" />
<MudIconButton Icon="@Icons.Material.Filled.Delete" Size="Size.Small" Color="Color.Error"
OnClick="() => DeleteServer(context)" />
</MudTd>
</RowTemplate>
</MudTable>
</MudPaper>
<MudText Typo="Typo.h5" Class="mb-2">Standorte (Sites)</MudText>
<MudPaper Class="pa-4" Elevation="1">
<MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Add"
OnClick="AddSite" Class="mb-3">
Neuen Standort hinzufügen
</MudButton>
<MudTable Items="_sites" Dense Hover Striped>
<HeaderContent>
<MudTh>Land</MudTh>
<MudTh>TSC</MudTh>
<MudTh>Schema</MudTh>
<MudTh>Quellsystem</MudTh>
<MudTh>Quelle</MudTh>
<MudTh>Aktiv</MudTh>
<MudTh>Aktionen</MudTh>
</HeaderContent>
<RowTemplate>
<MudTd>@context.Land</MudTd>
<MudTd>@context.TSC</MudTd>
<MudTd>@context.Schema</MudTd>
<MudTd>@context.SourceSystem</MudTd>
<MudTd>@GetConnectionTarget(context)</MudTd>
<MudTd>
@if (context.IsActive)
{
<MudIcon Icon="@Icons.Material.Filled.CheckCircle" Color="Color.Success" Size="Size.Small" />
}
else
{
<MudIcon Icon="@Icons.Material.Filled.Cancel" Color="Color.Default" Size="Size.Small" />
}
</MudTd>
<MudTd>
<MudIconButton Icon="@Icons.Material.Filled.Edit" Size="Size.Small"
OnClick="() => EditSite(context)" />
<MudIconButton Icon="@Icons.Material.Filled.Delete" Size="Size.Small" Color="Color.Error"
OnClick="() => DeleteSite(context)" />
</MudTd>
</RowTemplate>
</MudTable>
</MudPaper>
<MudDialog @bind-Visible="_serverDialogVisible" Options="_dialogOptions">
<TitleContent>
<MudText Typo="Typo.h6">Zentrale HANA-Technik bearbeiten</MudText>
</TitleContent>
<DialogContent>
<MudTextField Value="_editingServer.SourceSystem" Label="Quellsystem" ReadOnly />
<MudTextField @bind-Value="_editingServer.Name" Label="Name" Required />
<MudTextField @bind-Value="_editingServer.Host" Label="Host" Required
HelperText="IP oder Hostname (ohne Protokoll)" />
<MudNumericField @bind-Value="_editingServer.Port" Label="Port"
HelperText="Typisch 30015 (Tenant), 30013 (SystemDB), 3xx15 für Instanz xx" />
<MudTextField @bind-Value="_editingServer.DatabaseName" Label="Database Name (MDC)"
HelperText="Nur bei Multi-Tenant Setup angeben, sonst leer lassen" />
<MudSwitch @bind-Value="_editingServer.UseSsl" Label="SSL/TLS verwenden (encrypt=true)" Color="Color.Primary" />
<MudSwitch @bind-Value="_editingServer.ValidateCertificate" Label="SSL-Zertifikat validieren" Color="Color.Primary"
Disabled="!_editingServer.UseSsl" />
<MudTextField @bind-Value="_editingServer.AdditionalParams" Label="Zusätzliche Parameter"
HelperText="Optional, z.B. sslCryptoProvider=openssl;communicationTimeout=0" />
</DialogContent>
<DialogActions>
<MudButton OnClick="CloseServerDialog">Abbrechen</MudButton>
<MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="SaveServer" Disabled="_savingServer">Speichern</MudButton>
</DialogActions>
</MudDialog>
<MudDialog @bind-Visible="_siteDialogVisible" Options="_dialogOptions">
<TitleContent>
<MudText Typo="Typo.h6">@(_editingSite.Id == 0 ? "Standort hinzufügen" : "Standort bearbeiten")</MudText>
</TitleContent>
<DialogContent>
<MudTextField @bind-Value="_editingSite.Schema" Label="Schema" Required />
<MudTextField @bind-Value="_editingSite.TSC" Label="TSC" Required />
<MudTextField @bind-Value="_editingSite.Land" Label="Land" Required />
<MudSelect @bind-Value="_editingSite.SourceSystem" Label="Quellsystem" Required>
@foreach (var system in GetAvailableSourceSystems())
{
<MudSelectItem Value="@system.Code">@GetSourceSystemLabel(system)</MudSelectItem>
}
</MudSelect>
<MudTextField @bind-Value="_editingSite.UsernameOverride" Label="Username Override"
HelperText="Optional. Wenn leer, wird der zentrale Username des Quellsystems verwendet." />
<MudTextField @bind-Value="_editingSite.PasswordOverride" Label="Password Override" InputType="InputType.Password"
HelperText="Optional. Wenn leer, wird das zentrale Passwort des Quellsystems verwendet." />
<MudTextField @bind-Value="_editingSite.LocalExportFolderOverride" Label="Lokaler Exportpfad Override"
HelperText="Optional. Wenn leer, wird der zentrale Standardpfad für Standort-Dateien verwendet." />
<MudCheckBox @bind-Value="_editingSite.IsActive" Label="Aktiv" />
<MudDivider Class="my-4" />
@if (IsSapSite())
{
<MudText Typo="Typo.h6" Class="mb-2">SAP Gateway</MudText>
<MudAlert Severity="Severity.Info" Dense="true" Variant="Variant.Outlined" Class="mb-3">
Die Service-URL zeigt auf den OData-Service. Die verfügbaren Entity Sets werden nur per Knopfdruck aktualisiert und lokal zwischengespeichert.
</MudAlert>
<MudText Typo="Typo.body2">Zentrale SAP Service URL: @GetCentralSapServiceUrlSummary(_editingSite.SourceSystem)</MudText>
<MudTextField @bind-Value="_editingSite.SapServiceUrl" Label="SAP Service URL Override"
HelperText="Optional. Wenn leer, wird die zentrale SAP Service URL des Quellsystems verwendet." />
<MudStack Row Spacing="2" Class="mb-3">
<MudButton Variant="Variant.Outlined" Color="Color.Info" OnClick="RefreshSapEntitySets"
StartIcon="@Icons.Material.Filled.Refresh" Disabled="_refreshingSapEntitySets">
@if (_refreshingSapEntitySets)
{
<MudProgressCircular Size="Size.Small" Indeterminate Class="mr-2" />
@("Lade...")
}
else
{
@("Quellen refreshen")
}
</MudButton>
@if (_editingSite.SapEntitySetsRefreshedAtUtc.HasValue)
{
<MudText Typo="Typo.caption" Class="mt-2">
Letzter Refresh: @_editingSite.SapEntitySetsRefreshedAtUtc.Value.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss")
</MudText>
}
</MudStack>
<MudDivider Class="my-4" />
<MudStack Row Justify="Justify.SpaceBetween" AlignItems="AlignItems.Center" Class="mb-2">
<MudText Typo="Typo.h6">SAP Quellen</MudText>
<MudButton Variant="Variant.Outlined" StartIcon="@Icons.Material.Filled.Add" OnClick="AddSapSource">Quelle hinzufügen</MudButton>
</MudStack>
<MudText Typo="Typo.caption" Class="mb-2">
Pro Quelle Alias und Entity Set definieren. Joins verwenden links/rechts kommagetrennte Schlüsselfelder wie `VBELN,POSNR`. Feldmappings erwarten `Alias.Feldname` oder Konstanten wie `=SAP`.
</MudText>
<MudTable Items="_sapSources" Dense Hover Striped>
<HeaderContent>
<MudTh>Alias</MudTh>
<MudTh>Entity Set</MudTh>
<MudTh>Primär</MudTh>
<MudTh>Aktiv</MudTh>
<MudTh>Aktionen</MudTh>
</HeaderContent>
<RowTemplate>
<MudTd><MudTextField @bind-Value="context.Alias" Dense /></MudTd>
<MudTd>
<MudSelect @bind-Value="context.EntitySet" Dense>
@foreach (var entitySet in _sapEntitySetsCache)
{
<MudSelectItem Value="@entitySet">@entitySet</MudSelectItem>
}
</MudSelect>
</MudTd>
<MudTd><MudCheckBox @bind-Value="context.IsPrimary" Dense /></MudTd>
<MudTd><MudCheckBox @bind-Value="context.IsActive" Dense /></MudTd>
<MudTd><MudIconButton Icon="@Icons.Material.Filled.Delete" Color="Color.Error" Size="Size.Small" OnClick="() => RemoveSapSource(context)" /></MudTd>
</RowTemplate>
</MudTable>
<MudDivider Class="my-4" />
<MudStack Row Justify="Justify.SpaceBetween" AlignItems="AlignItems.Center" Class="mb-2">
<MudText Typo="Typo.h6">SAP Joins</MudText>
<MudStack Row Spacing="2">
<MudButton Variant="Variant.Outlined" Color="Color.Info" StartIcon="@Icons.Material.Filled.AutoFixHigh"
OnClick="AutoMatchSapJoins">
Auto-Match
</MudButton>
<MudButton Variant="Variant.Outlined" StartIcon="@Icons.Material.Filled.Add" OnClick="AddSapJoin">Join hinzufügen</MudButton>
</MudStack>
</MudStack>
<MudTable Items="_sapJoins" Dense Hover Striped>
<HeaderContent>
<MudTh>Links</MudTh>
<MudTh>Left Keys</MudTh>
<MudTh>Rechts</MudTh>
<MudTh>Right Keys</MudTh>
<MudTh>Typ</MudTh>
<MudTh>Aktiv</MudTh>
<MudTh>Aktionen</MudTh>
</HeaderContent>
<RowTemplate>
<MudTd>
<MudSelect @bind-Value="context.LeftAlias" Dense>
@foreach (var alias in GetSapAliases())
{
<MudSelectItem Value="@alias">@alias</MudSelectItem>
}
</MudSelect>
</MudTd>
<MudTd>
<MudSelect T="string"
SelectedValues="GetSelectedJoinKeys(context.LeftKeys)"
SelectedValuesChanged="@(values => context.LeftKeys = string.Join(',', values))"
MultiSelection="true"
Dense>
@foreach (var field in GetAvailableJoinFields(context.LeftAlias, context.LeftKeys))
{
<MudSelectItem Value="@field">@field</MudSelectItem>
}
</MudSelect>
</MudTd>
<MudTd>
<MudSelect @bind-Value="context.RightAlias" Dense>
@foreach (var alias in GetSapAliases())
{
<MudSelectItem Value="@alias">@alias</MudSelectItem>
}
</MudSelect>
</MudTd>
<MudTd>
<MudSelect T="string"
SelectedValues="GetSelectedJoinKeys(context.RightKeys)"
SelectedValuesChanged="@(values => context.RightKeys = string.Join(',', values))"
MultiSelection="true"
Dense>
@foreach (var field in GetAvailableJoinFields(context.RightAlias, context.RightKeys))
{
<MudSelectItem Value="@field">@field</MudSelectItem>
}
</MudSelect>
</MudTd>
<MudTd>
<MudSelect @bind-Value="context.JoinType" Dense>
<MudSelectItem Value="@("Left")">Left</MudSelectItem>
</MudSelect>
</MudTd>
<MudTd><MudCheckBox @bind-Value="context.IsActive" Dense /></MudTd>
<MudTd><MudIconButton Icon="@Icons.Material.Filled.Delete" Color="Color.Error" Size="Size.Small" OnClick="() => RemoveSapJoin(context)" /></MudTd>
</RowTemplate>
</MudTable>
<MudDivider Class="my-4" />
<MudStack Row Justify="Justify.SpaceBetween" AlignItems="AlignItems.Center" Class="mb-2">
<MudText Typo="Typo.h6">Feldmappings ins zentrale Schema</MudText>
<MudStack Row Spacing="2">
<MudButton Variant="Variant.Outlined" Color="Color.Info" StartIcon="@Icons.Material.Filled.Schema"
OnClick="RefreshSapSourceFields" Disabled="_refreshingSapSourceFields">
@if (_refreshingSapSourceFields)
{
<MudProgressCircular Size="Size.Small" Indeterminate Class="mr-2" />
@("Lade Felder...")
}
else
{
@("Felder aus Quellen laden")
}
</MudButton>
<MudButton Variant="Variant.Outlined" StartIcon="@Icons.Material.Filled.Add" OnClick="AddSapMapping">Mapping hinzufügen</MudButton>
</MudStack>
</MudStack>
<MudText Typo="Typo.caption" Class="mb-2">
Source Expressions werden aus den hinzugefügten SAP-Quellen als `Alias.Feldname` gelesen. Vorhandene manuelle Werte bleiben auswählbar.
</MudText>
<MudTable Items="_sapMappings" Dense Hover Striped>
<HeaderContent>
<MudTh>Zielfeld</MudTh>
<MudTh>Source Expression</MudTh>
<MudTh>Pflicht</MudTh>
<MudTh>Aktiv</MudTh>
<MudTh>Aktionen</MudTh>
</HeaderContent>
<RowTemplate>
<MudTd>
<MudSelect @bind-Value="context.TargetField" Dense>
@foreach (var field in _salesRecordFields)
{
<MudSelectItem Value="@field">@field</MudSelectItem>
}
</MudSelect>
</MudTd>
<MudTd>
<MudSelect T="string" @bind-Value="context.SourceExpression" Dense>
@foreach (var expression in GetAvailableSourceExpressions(context.SourceExpression))
{
<MudSelectItem Value="@expression">@expression</MudSelectItem>
}
</MudSelect>
</MudTd>
<MudTd><MudCheckBox @bind-Value="context.IsRequired" Dense /></MudTd>
<MudTd><MudCheckBox @bind-Value="context.IsActive" Dense /></MudTd>
<MudTd><MudIconButton Icon="@Icons.Material.Filled.Delete" Color="Color.Error" Size="Size.Small" OnClick="() => RemoveSapMapping(context)" /></MudTd>
</RowTemplate>
</MudTable>
}
else if (IsManualExcelSite())
{
<MudText Typo="Typo.h6" Class="mb-2">Manueller Excel-Import</MudText>
<MudAlert Severity="Severity.Info" Dense="true" Variant="Variant.Outlined" Class="mb-3">
Für diesen Standort wird keine SAP- oder HANA-Verbindung verwendet. Es wird die hier hinterlegte Excel-Datei gelesen und in `CentralSalesRecords` übernommen.
</MudAlert>
<InputFile OnChange="UploadManualImportFileAsync" accept=".xlsx" />
@if (_uploadingManualImport)
{
<MudText Typo="Typo.caption" Class="mt-2">Datei wird hochgeladen...</MudText>
}
@if (!string.IsNullOrWhiteSpace(_editingSite.ManualImportFilePath))
{
<MudPaper Class="pa-3 mt-3" Elevation="0">
<MudText Typo="Typo.body2">Datei: @_editingSite.ManualImportFilePath</MudText>
<MudText Typo="Typo.caption">
Letzter Upload: @(_editingSite.ManualImportLastUploadedAtUtc?.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss") ?? "-")
</MudText>
</MudPaper>
}
else
{
<MudText Typo="Typo.caption" Class="mt-2">Noch keine Datei hinterlegt.</MudText>
}
}
else
{
<MudText Typo="Typo.h6" Class="mb-2">HANA-Verbindung</MudText>
<MudAlert Severity="Severity.Info" Dense="true" Variant="Variant.Outlined" Class="mb-3">
Die technische HANA-Verbindung kommt aus der zentralen HANA-Konfiguration des Quellsystems. Im Standort selbst pflegst du nur fachliche Standortdaten und optionale Username-/Password-Overrides.
</MudAlert>
<MudText Typo="Typo.body2">Aktive Zentralverbindung: @GetCentralHanaSummary(_editingSite.SourceSystem)</MudText>
<MudText Typo="Typo.caption" Class="mt-2">
Host, Port, SSL und technische Parameter bearbeitest du oben in der zentralen HANA-Konfiguration.
</MudText>
}
</DialogContent>
<DialogActions>
<MudButton OnClick="CloseSiteDialog" Disabled="_savingSite || _uploadingManualImport">Abbrechen</MudButton>
<MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="SaveSite" Disabled="_savingSite || _refreshingSapEntitySets || _uploadingManualImport">Speichern</MudButton>
</DialogActions>
</MudDialog>
@code {
private readonly Dictionary<int, ConnectionTestResult> _connectionStatus = new();
private List<HanaServer> _servers = new();
private List<Site> _sites = new();
private List<SourceSystemDefinition> _sourceSystemDefinitions = new();
private List<string> _sapEntitySetsCache = [];
private List<string> _sapAvailableSourceExpressions = [];
private Dictionary<string, List<string>> _sapSourceFieldMap = new(StringComparer.OrdinalIgnoreCase);
private List<SapSourceDefinition> _sapSources = [];
private List<SapJoinDefinition> _sapJoins = [];
private List<SapFieldMapping> _sapMappings = [];
private readonly string[] _salesRecordFields = typeof(SalesRecord)
.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Select(p => p.Name)
.ToArray();
private HanaServer _editingServer = new();
private Site _editingSite = new();
private bool _serverDialogVisible;
private bool _siteDialogVisible;
private bool _refreshingSapEntitySets;
private bool _refreshingSapSourceFields;
private bool _savingServer;
private bool _savingSite;
private bool _uploadingManualImport;
private readonly DialogOptions _dialogOptions = new() { MaxWidth = MaxWidth.Small, FullWidth = true };
protected override async Task OnInitializedAsync()
{
await LoadDataAsync();
}
private async Task LoadDataAsync()
{
using var db = await DbFactory.CreateDbContextAsync();
_sourceSystemDefinitions = await db.SourceSystemDefinitions
.OrderBy(x => x.Code)
.ToListAsync();
_servers = await db.HanaServers
.Where(s => GetHanaSourceSystemCodes().Contains(s.SourceSystem))
.OrderBy(s => s.SourceSystem)
.ThenBy(s => s.Name)
.ToListAsync();
_sites = await db.Sites.Include(s => s.HanaServer).OrderBy(s => s.Land).ToListAsync();
}
private void EditServer(HanaServer server)
{
_editingServer = CloneServer(server);
_serverDialogVisible = true;
}
private async Task SaveServer()
{
if (_savingServer)
return;
_savingServer = true;
try
{
_editingServer.SourceSystem = string.IsNullOrWhiteSpace(_editingServer.SourceSystem)
? GetHanaSourceSystemCodes().FirstOrDefault() ?? string.Empty
: _editingServer.SourceSystem.Trim().ToUpperInvariant();
_editingServer.Name = string.IsNullOrWhiteSpace(_editingServer.Name) ? _editingServer.SourceSystem : _editingServer.Name.Trim();
_editingServer.Host = _editingServer.Host.Trim();
_editingServer.DatabaseName = _editingServer.DatabaseName.Trim();
_editingServer.AdditionalParams = _editingServer.AdditionalParams.Trim();
_editingServer.Username = string.Empty;
_editingServer.Password = string.Empty;
using var db = await DbFactory.CreateDbContextAsync();
if (_editingServer.Id == 0)
{
var existingForSourceSystem = await db.HanaServers
.OrderBy(x => x.Id)
.FirstOrDefaultAsync(x => x.SourceSystem == _editingServer.SourceSystem);
if (existingForSourceSystem is null)
{
db.HanaServers.Add(_editingServer);
}
else
{
existingForSourceSystem.Name = _editingServer.Name;
existingForSourceSystem.Host = _editingServer.Host;
existingForSourceSystem.Port = _editingServer.Port;
existingForSourceSystem.Username = string.Empty;
existingForSourceSystem.Password = string.Empty;
existingForSourceSystem.DatabaseName = _editingServer.DatabaseName;
existingForSourceSystem.UseSsl = _editingServer.UseSsl;
existingForSourceSystem.ValidateCertificate = _editingServer.ValidateCertificate;
existingForSourceSystem.AdditionalParams = _editingServer.AdditionalParams;
}
}
else
{
var existing = await db.HanaServers.FindAsync(_editingServer.Id);
if (existing is not null)
{
existing.SourceSystem = _editingServer.SourceSystem;
existing.Name = _editingServer.Name;
existing.Host = _editingServer.Host;
existing.Port = _editingServer.Port;
existing.Username = string.Empty;
existing.Password = string.Empty;
existing.DatabaseName = _editingServer.DatabaseName;
existing.UseSsl = _editingServer.UseSsl;
existing.ValidateCertificate = _editingServer.ValidateCertificate;
existing.AdditionalParams = _editingServer.AdditionalParams;
}
}
await db.SaveChangesAsync();
_serverDialogVisible = false;
await LoadDataAsync();
Snackbar.Add("Server gespeichert", Severity.Success);
}
finally
{
_savingServer = false;
}
}
private async Task DeleteServer(HanaServer server)
{
if (IsHanaSourceSystem(server.SourceSystem))
{
Snackbar.Add($"Die zentrale HANA-Konfiguration fuer {server.SourceSystem} kann nicht geloescht werden.", Severity.Warning);
return;
}
var result = await DialogService.ShowMessageBox(
"Server löschen",
$"Server '{server.Name}' wirklich löschen?",
yesText: "Löschen", cancelText: "Abbrechen");
if (result != true) return;
try
{
using var db = await DbFactory.CreateDbContextAsync();
var linkedSites = await db.Sites
.Where(s => s.HanaServerId == server.Id)
.OrderBy(s => s.Land)
.Select(s => $"{s.Land} ({s.TSC})")
.ToListAsync();
if (linkedSites.Count > 0)
{
Snackbar.Add(
$"Server kann nicht gelöscht werden. Noch verknüpfte Standorte: {string.Join(", ", linkedSites)}",
Severity.Warning);
return;
}
var entity = await db.HanaServers.FindAsync(server.Id);
if (entity is not null)
{
db.HanaServers.Remove(entity);
await db.SaveChangesAsync();
}
}
catch (Exception ex)
{
Snackbar.Add($"Server konnte nicht gelöscht werden: {ex.Message}", Severity.Error);
return;
}
await LoadDataAsync();
Snackbar.Add("Server gelöscht", Severity.Info);
}
private async Task TestServerConnection(HanaServer server)
{
using var db = await DbFactory.CreateDbContextAsync();
var sourceDefinition = await db.SourceSystemDefinitions
.OrderBy(x => x.Id)
.FirstOrDefaultAsync(x => x.Code == server.SourceSystem);
if (sourceDefinition is null)
{
Snackbar.Add($"Quellsystem '{server.SourceSystem}' nicht gefunden.", Severity.Warning);
return;
}
if (string.IsNullOrWhiteSpace(sourceDefinition.CentralUsername) || string.IsNullOrWhiteSpace(sourceDefinition.CentralPassword))
{
Snackbar.Add($"Fuer {server.SourceSystem} sind keine zentralen Zugangsdaten im Quellsystem gepflegt.", Severity.Warning);
return;
}
var testServer = new HanaServer
{
Id = server.Id,
SourceSystem = server.SourceSystem,
Name = server.Name,
Host = server.Host,
Port = server.Port,
Username = sourceDefinition.CentralUsername.Trim(),
Password = sourceDefinition.CentralPassword,
DatabaseName = server.DatabaseName,
UseSsl = server.UseSsl,
ValidateCertificate = server.ValidateCertificate,
AdditionalParams = server.AdditionalParams
};
await AppEventLogService.WriteAsync("HANA", "Server-Test aus UI gestartet",
details: testServer.GetConnectionStringPreview());
var result = await Task.Run(() => HanaService.TestConnectionDetailed(testServer));
_connectionStatus[server.Id] = result;
if (result.Success)
{
Snackbar.Add($"Verbindung zu '{server.Name}' erfolgreich.", Severity.Success);
}
else
{
Snackbar.Add($"{server.Name}: {result.ExceptionType} - {result.ErrorMessage}", Severity.Error);
}
}
private static string BuildStatusTooltip(ConnectionTestResult status)
{
var stamp = status.TestedAtUtc.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss");
if (status.Success)
return $"Letzter Test: {stamp}\nStage: {status.Stage}\n{status.ConnectionStringPreview}";
return $"Letzter Test: {stamp}\nStage: {status.Stage}\nFehler: {status.ErrorMessage}\n{status.ConnectionStringPreview}";
}
private void AddSite()
{
_editingSite = new Site
{
IsActive = true,
SourceSystem = GetAvailableSourceSystems().FirstOrDefault()?.Code ?? "SAP",
HanaServerId = null,
ManualImportFilePath = string.Empty
};
_sapEntitySetsCache = [];
_sapAvailableSourceExpressions = [];
_sapSourceFieldMap = new(StringComparer.OrdinalIgnoreCase);
_sapSources = [];
_sapJoins = [];
_sapMappings = [];
_siteDialogVisible = true;
}
private void EditSite(Site site)
{
_editingSite = new Site
{
Id = site.Id,
HanaServerId = site.HanaServerId,
Schema = site.Schema,
TSC = site.TSC,
Land = site.Land,
SourceSystem = string.IsNullOrWhiteSpace(site.SourceSystem)
? GetAvailableSourceSystems().FirstOrDefault()?.Code ?? "SAP"
: site.SourceSystem,
UsernameOverride = site.UsernameOverride,
PasswordOverride = site.PasswordOverride,
LocalExportFolderOverride = site.LocalExportFolderOverride,
ManualImportFilePath = site.ManualImportFilePath,
ManualImportLastUploadedAtUtc = site.ManualImportLastUploadedAtUtc,
SapServiceUrl = site.SapServiceUrl,
SapEntitySet = site.SapEntitySet,
SapEntitySetsCache = site.SapEntitySetsCache,
SapEntitySetsRefreshedAtUtc = site.SapEntitySetsRefreshedAtUtc,
IsActive = site.IsActive
};
_sapEntitySetsCache = ParseSapEntitySets(site.SapEntitySetsCache);
using var db = DbFactory.CreateDbContext();
_sapSources = db.SapSourceDefinitions.Where(s => s.SiteId == site.Id).OrderBy(s => s.SortOrder).ThenBy(s => s.Id).ToList();
_sapJoins = db.SapJoinDefinitions.Where(j => j.SiteId == site.Id).OrderBy(j => j.SortOrder).ThenBy(j => j.Id).ToList();
_sapMappings = db.SapFieldMappings.Where(m => m.SiteId == site.Id).OrderBy(m => m.SortOrder).ThenBy(m => m.Id).ToList();
_sapAvailableSourceExpressions = BuildSourceExpressionsFromMappings();
_sapSourceFieldMap = BuildSourceFieldMapFromJoins();
_siteDialogVisible = true;
}
private async Task SaveSite()
{
if (_savingSite)
return;
_savingSite = true;
try
{
using var db = await DbFactory.CreateDbContextAsync();
var serverId = UsesHanaConnection() ? await ResolveCentralHanaServerIdAsync(db, _editingSite.SourceSystem) : (int?)null;
_editingSite.HanaServerId = serverId;
_editingSite.SapEntitySetsCache = SerializeSapEntitySets(_sapEntitySetsCache);
if (_editingSite.Id == 0)
{
db.Sites.Add(_editingSite);
}
else
{
var existing = await db.Sites.FindAsync(_editingSite.Id);
if (existing is not null)
{
existing.HanaServerId = serverId;
existing.Schema = _editingSite.Schema;
existing.TSC = _editingSite.TSC;
existing.Land = _editingSite.Land;
existing.SourceSystem = _editingSite.SourceSystem;
existing.UsernameOverride = _editingSite.UsernameOverride;
existing.PasswordOverride = _editingSite.PasswordOverride;
existing.LocalExportFolderOverride = _editingSite.LocalExportFolderOverride;
existing.ManualImportFilePath = _editingSite.ManualImportFilePath;
existing.ManualImportLastUploadedAtUtc = _editingSite.ManualImportLastUploadedAtUtc;
existing.SapServiceUrl = _editingSite.SapServiceUrl;
existing.SapEntitySet = _editingSite.SapEntitySet;
existing.SapEntitySetsCache = _editingSite.SapEntitySetsCache;
existing.SapEntitySetsRefreshedAtUtc = _editingSite.SapEntitySetsRefreshedAtUtc;
existing.IsActive = _editingSite.IsActive;
}
}
await db.SaveChangesAsync();
await SaveSapConfigurationAsync(db, _editingSite.Id);
_siteDialogVisible = false;
await LoadDataAsync();
Snackbar.Add("Standort gespeichert", Severity.Success);
}
catch (Exception ex)
{
Snackbar.Add($"Speichern fehlgeschlagen: {ex.Message}", Severity.Error);
}
finally
{
_savingSite = false;
}
}
private async Task DeleteSite(Site site)
{
var result = await DialogService.ShowMessageBox(
"Standort löschen",
$"Standort '{site.Land}' wirklich löschen?",
yesText: "Löschen", cancelText: "Abbrechen");
if (result != true) return;
using var db = await DbFactory.CreateDbContextAsync();
var entity = await db.Sites.FindAsync(site.Id);
if (entity is not null)
{
var sources = await db.SapSourceDefinitions.Where(s => s.SiteId == site.Id).ToListAsync();
var joins = await db.SapJoinDefinitions.Where(j => j.SiteId == site.Id).ToListAsync();
var mappings = await db.SapFieldMappings.Where(m => m.SiteId == site.Id).ToListAsync();
var centralRows = await db.CentralSalesRecords.Where(r => r.SiteId == site.Id).ToListAsync();
if (sources.Count > 0) db.SapSourceDefinitions.RemoveRange(sources);
if (joins.Count > 0) db.SapJoinDefinitions.RemoveRange(joins);
if (mappings.Count > 0) db.SapFieldMappings.RemoveRange(mappings);
if (centralRows.Count > 0) db.CentralSalesRecords.RemoveRange(centralRows);
db.Sites.Remove(entity);
await db.SaveChangesAsync();
}
await LoadDataAsync();
Snackbar.Add("Standort gelöscht", Severity.Info);
}
private static string GetServerNode(HanaServer? server)
{
if (server is null || string.IsNullOrWhiteSpace(server.Host))
return "-";
return server.Host.Contains(':', StringComparison.Ordinal) ? server.Host : $"{server.Host}:{server.Port}";
}
private static HanaServer CloneServer(HanaServer server)
{
return new HanaServer
{
Id = server.Id,
SourceSystem = server.SourceSystem,
Name = server.Name,
Host = server.Host,
Port = server.Port,
Username = string.Empty,
Password = string.Empty,
DatabaseName = server.DatabaseName,
UseSsl = server.UseSsl,
ValidateCertificate = server.ValidateCertificate,
AdditionalParams = server.AdditionalParams
};
}
private async Task<int> ResolveCentralHanaServerIdAsync(AppDbContext db, string sourceSystem)
{
_editingSite.UsernameOverride = _editingSite.UsernameOverride.Trim();
_editingSite.PasswordOverride = _editingSite.PasswordOverride.Trim();
_editingSite.LocalExportFolderOverride = _editingSite.LocalExportFolderOverride.Trim();
_editingSite.ManualImportFilePath = _editingSite.ManualImportFilePath.Trim();
_editingSite.SapServiceUrl = _editingSite.SapServiceUrl.Trim();
_editingSite.SapEntitySet = _editingSite.SapEntitySet.Trim();
var normalizedSourceSystem = string.IsNullOrWhiteSpace(sourceSystem) ? string.Empty : sourceSystem.Trim().ToUpperInvariant();
var centralServer = await db.HanaServers
.OrderBy(x => x.Id)
.FirstOrDefaultAsync(x => x.SourceSystem == normalizedSourceSystem);
if (centralServer is null || string.IsNullOrWhiteSpace(centralServer.Host))
throw new InvalidOperationException($"Fuer Quellsystem '{normalizedSourceSystem}' ist keine gueltige zentrale HANA-Konfiguration vorhanden.");
return centralServer.Id;
}
private IEnumerable<SourceSystemDefinition> GetAvailableSourceSystems()
=> _sourceSystemDefinitions
.Where(x => x.IsActive || string.Equals(x.Code, _editingSite.SourceSystem, StringComparison.OrdinalIgnoreCase))
.OrderBy(x => x.DisplayName)
.ThenBy(x => x.Code);
private List<string> GetHanaSourceSystemCodes()
=> _sourceSystemDefinitions
.Where(x => string.Equals(x.ConnectionKind, SourceSystemConnectionKinds.Hana, StringComparison.OrdinalIgnoreCase))
.Select(x => x.Code)
.OrderBy(x => x)
.ToList();
private string GetSourceSystemConnectionKind(string? sourceSystem)
=> _sourceSystemDefinitions
.FirstOrDefault(x => string.Equals(x.Code, sourceSystem, StringComparison.OrdinalIgnoreCase))
?.ConnectionKind
?? SourceSystemConnectionKinds.SapGateway;
private bool IsHanaSourceSystem(string? sourceSystem)
=> string.Equals(GetSourceSystemConnectionKind(sourceSystem), SourceSystemConnectionKinds.Hana, StringComparison.OrdinalIgnoreCase);
private bool IsSapSite()
=> string.Equals(GetSourceSystemConnectionKind(_editingSite.SourceSystem), SourceSystemConnectionKinds.SapGateway, StringComparison.OrdinalIgnoreCase);
private bool IsManualExcelSite()
=> string.Equals(GetSourceSystemConnectionKind(_editingSite.SourceSystem), SourceSystemConnectionKinds.ManualExcel, StringComparison.OrdinalIgnoreCase);
private bool UsesHanaConnection() => IsHanaSourceSystem(_editingSite.SourceSystem);
private string GetSourceSystemLabel(SourceSystemDefinition definition)
=> string.IsNullOrWhiteSpace(definition.DisplayName) ? definition.Code : $"{definition.DisplayName} ({definition.Code})";
private string GetConnectionTarget(Site site)
{
var connectionKind = GetSourceSystemConnectionKind(site.SourceSystem);
if (string.Equals(connectionKind, SourceSystemConnectionKinds.SapGateway, StringComparison.OrdinalIgnoreCase))
return GetEffectiveSapServiceUrl(site);
if (string.Equals(connectionKind, SourceSystemConnectionKinds.ManualExcel, StringComparison.OrdinalIgnoreCase))
return string.IsNullOrWhiteSpace(site.ManualImportFilePath) ? "-" : Path.GetFileName(site.ManualImportFilePath);
return GetServerNode(site.HanaServer);
}
private string GetEffectiveSapServiceUrl(Site site)
{
if (!string.IsNullOrWhiteSpace(site.SapServiceUrl))
return site.SapServiceUrl;
var sourceDefinition = _sourceSystemDefinitions
.FirstOrDefault(x => string.Equals(x.Code, site.SourceSystem, StringComparison.OrdinalIgnoreCase));
return string.IsNullOrWhiteSpace(sourceDefinition?.CentralServiceUrl) ? "-" : sourceDefinition.CentralServiceUrl;
}
private string GetCentralSapServiceUrlSummary(string sourceSystem)
{
var sourceDefinition = _sourceSystemDefinitions
.FirstOrDefault(x => string.Equals(x.Code, sourceSystem, StringComparison.OrdinalIgnoreCase));
return string.IsNullOrWhiteSpace(sourceDefinition?.CentralServiceUrl) ? "-" : sourceDefinition.CentralServiceUrl;
}
private string GetCentralHanaSummary(string sourceSystem)
{
var normalizedSourceSystem = string.IsNullOrWhiteSpace(sourceSystem) ? string.Empty : sourceSystem.Trim().ToUpperInvariant();
var centralServer = _servers.FirstOrDefault(x => x.SourceSystem == normalizedSourceSystem);
if (centralServer is null || string.IsNullOrWhiteSpace(centralServer.Host))
return $"keine zentrale HANA-Konfiguration fuer {normalizedSourceSystem}";
return $"{centralServer.Name} | {GetServerNode(centralServer)}";
}
private async Task RefreshSapEntitySets()
{
if (_refreshingSapEntitySets)
return;
_refreshingSapEntitySets = true;
try
{
using var db = await DbFactory.CreateDbContextAsync();
var sourceDefinition = await db.SourceSystemDefinitions
.OrderBy(x => x.Id)
.FirstOrDefaultAsync(x => x.Code == _editingSite.SourceSystem);
var serviceUrl = string.IsNullOrWhiteSpace(_editingSite.SapServiceUrl)
? sourceDefinition?.CentralServiceUrl ?? string.Empty
: _editingSite.SapServiceUrl;
if (string.IsNullOrWhiteSpace(serviceUrl))
throw new InvalidOperationException("Es ist weder eine zentrale SAP Service URL noch ein Standort-Override gesetzt.");
var username = string.IsNullOrWhiteSpace(_editingSite.UsernameOverride)
? sourceDefinition?.CentralUsername ?? string.Empty
: _editingSite.UsernameOverride;
var password = string.IsNullOrWhiteSpace(_editingSite.PasswordOverride)
? sourceDefinition?.CentralPassword ?? string.Empty
: _editingSite.PasswordOverride;
if (string.IsNullOrWhiteSpace(username) || string.IsNullOrWhiteSpace(password))
throw new InvalidOperationException("Für SAP sind weder zentrale Zugangsdaten noch Standort-Overrides gesetzt.");
await AppEventLogService.WriteAsync("SAP", "Refresh aus UI gestartet", siteId: _editingSite.Id, land: _editingSite.Land,
details: serviceUrl);
var entitySets = await SapGatewayService.GetEntitySetsAsync(serviceUrl, username.Trim(), password.Trim());
_sapEntitySetsCache = entitySets;
_editingSite.SapEntitySetsCache = SerializeSapEntitySets(entitySets);
_editingSite.SapEntitySetsRefreshedAtUtc = DateTime.UtcNow;
if (!string.IsNullOrWhiteSpace(_editingSite.SapEntitySet) &&
!_sapEntitySetsCache.Contains(_editingSite.SapEntitySet, StringComparer.OrdinalIgnoreCase))
{
_editingSite.SapEntitySet = string.Empty;
}
Snackbar.Add($"{entitySets.Count} SAP Entity Sets geladen.", Severity.Success);
await AppEventLogService.WriteAsync("SAP", "Refresh aus UI erfolgreich", siteId: _editingSite.Id, land: _editingSite.Land,
details: $"EntitySets={entitySets.Count}");
}
catch (Exception ex)
{
Snackbar.Add(ex.Message, Severity.Error);
await AppEventLogService.WriteAsync("SAP", "Refresh aus UI fehlgeschlagen", "Error", siteId: _editingSite.Id, land: _editingSite.Land,
details: ex.ToString());
}
finally
{
_refreshingSapEntitySets = false;
}
}
private void CloseServerDialog()
{
if (_savingServer)
return;
_serverDialogVisible = false;
}
private void CloseSiteDialog()
{
if (_savingSite || _refreshingSapEntitySets || _uploadingManualImport)
return;
_siteDialogVisible = false;
}
private async Task UploadManualImportFileAsync(InputFileChangeEventArgs args)
{
if (_uploadingManualImport)
return;
var file = args.File;
if (file is null)
return;
_uploadingManualImport = true;
try
{
var extension = Path.GetExtension(file.Name);
if (!string.Equals(extension, ".xlsx", StringComparison.OrdinalIgnoreCase))
{
throw new InvalidOperationException("Bitte eine Excel-Datei mit Endung .xlsx auswählen.");
}
var uploadDirectory = Path.Combine(AppContext.BaseDirectory, "manual-imports");
Directory.CreateDirectory(uploadDirectory);
var safeBaseName = string.Concat(Path.GetFileNameWithoutExtension(file.Name).Select(ch =>
char.IsLetterOrDigit(ch) || ch == '-' || ch == '_' ? ch : '_'));
if (string.IsNullOrWhiteSpace(safeBaseName))
safeBaseName = "manual_import";
var targetPath = Path.Combine(uploadDirectory, $"{safeBaseName}_{Guid.NewGuid():N}{extension}");
await using (var sourceStream = file.OpenReadStream(maxAllowedSize: 50 * 1024 * 1024))
await using (var targetStream = File.Create(targetPath))
{
await sourceStream.CopyToAsync(targetStream);
}
_editingSite.ManualImportFilePath = targetPath;
_editingSite.ManualImportLastUploadedAtUtc = DateTime.UtcNow;
Snackbar.Add("Excel-Datei hochgeladen.", Severity.Success);
await AppEventLogService.WriteAsync("ManualImport", "Excel-Datei hochgeladen", siteId: _editingSite.Id, land: _editingSite.Land, details: targetPath);
}
catch (Exception ex)
{
Snackbar.Add($"Upload fehlgeschlagen: {ex.Message}", Severity.Error);
await AppEventLogService.WriteAsync("ManualImport", "Excel-Upload fehlgeschlagen", "Error", siteId: _editingSite.Id, land: _editingSite.Land, details: ex.ToString());
}
finally
{
_uploadingManualImport = false;
}
}
private static List<string> ParseSapEntitySets(string json)
{
if (string.IsNullOrWhiteSpace(json))
return [];
try
{
return JsonSerializer.Deserialize<List<string>>(json) ?? [];
}
catch
{
return [];
}
}
private static string SerializeSapEntitySets(List<string> entitySets)
=> JsonSerializer.Serialize(entitySets);
private void AddSapSource()
{
_sapSources.Add(new SapSourceDefinition
{
Alias = $"SRC{_sapSources.Count + 1}",
EntitySet = _sapEntitySetsCache.FirstOrDefault() ?? string.Empty,
IsActive = true,
IsPrimary = _sapSources.Count == 0,
SortOrder = _sapSources.Count
});
}
private void RemoveSapSource(SapSourceDefinition source)
{
_sapSources.Remove(source);
}
private void AddSapJoin()
{
_sapJoins.Add(new SapJoinDefinition
{
JoinType = "Left",
IsActive = true,
SortOrder = _sapJoins.Count
});
}
private void AutoMatchSapJoins()
{
var activeSources = _sapSources
.Where(s => s.IsActive && !string.IsNullOrWhiteSpace(s.Alias))
.OrderBy(s => s.SortOrder)
.ThenBy(s => s.Id)
.ToList();
if (activeSources.Count < 2)
{
Snackbar.Add("Für Auto-Match werden mindestens zwei aktive SAP-Quellen benötigt.", Severity.Warning);
return;
}
if (_sapSourceFieldMap.Count == 0)
{
Snackbar.Add("Bitte zuerst 'Felder aus Quellen laden' ausführen.", Severity.Warning);
return;
}
var primary = activeSources.FirstOrDefault(s => s.IsPrimary) ?? activeSources.First();
var createdOrUpdated = 0;
foreach (var source in activeSources.Where(s => !string.Equals(s.Alias, primary.Alias, StringComparison.OrdinalIgnoreCase)))
{
if (!_sapSourceFieldMap.TryGetValue(primary.Alias, out var leftFields) || leftFields.Count == 0)
continue;
if (!_sapSourceFieldMap.TryGetValue(source.Alias, out var rightFields) || rightFields.Count == 0)
continue;
var matchingFields = leftFields
.Intersect(rightFields, StringComparer.OrdinalIgnoreCase)
.OrderBy(x => x, StringComparer.OrdinalIgnoreCase)
.ToList();
if (matchingFields.Count == 0)
continue;
var existingJoin = _sapJoins.FirstOrDefault(j =>
string.Equals(j.LeftAlias, primary.Alias, StringComparison.OrdinalIgnoreCase) &&
string.Equals(j.RightAlias, source.Alias, StringComparison.OrdinalIgnoreCase));
var keyList = string.Join(',', matchingFields);
if (existingJoin is null)
{
_sapJoins.Add(new SapJoinDefinition
{
LeftAlias = primary.Alias,
RightAlias = source.Alias,
LeftKeys = keyList,
RightKeys = keyList,
JoinType = "Left",
IsActive = true,
SortOrder = _sapJoins.Count
});
}
else
{
existingJoin.LeftKeys = keyList;
existingJoin.RightKeys = keyList;
existingJoin.JoinType = "Left";
existingJoin.IsActive = true;
}
createdOrUpdated++;
}
if (createdOrUpdated == 0)
{
Snackbar.Add("Kein passender Join-Vorschlag gefunden.", Severity.Info);
return;
}
NormalizeSapConfigCollections();
Snackbar.Add($"{createdOrUpdated} Join-Vorschläge gesetzt.", Severity.Success);
}
private void RemoveSapJoin(SapJoinDefinition join)
{
_sapJoins.Remove(join);
}
private void AddSapMapping()
{
_sapMappings.Add(new SapFieldMapping
{
TargetField = _salesRecordFields.First(),
SourceExpression = _sapAvailableSourceExpressions.FirstOrDefault() ?? "=SAP",
IsActive = true,
SortOrder = _sapMappings.Count
});
}
private void RemoveSapMapping(SapFieldMapping mapping)
{
_sapMappings.Remove(mapping);
}
private IEnumerable<string> GetSapAliases()
=> _sapSources.Where(s => !string.IsNullOrWhiteSpace(s.Alias)).Select(s => s.Alias).Distinct(StringComparer.OrdinalIgnoreCase);
private async Task SaveSapConfigurationAsync(AppDbContext db, int siteId)
{
var oldSources = await db.SapSourceDefinitions.Where(s => s.SiteId == siteId).ToListAsync();
var oldJoins = await db.SapJoinDefinitions.Where(j => j.SiteId == siteId).ToListAsync();
var oldMappings = await db.SapFieldMappings.Where(m => m.SiteId == siteId).ToListAsync();
if (oldSources.Count > 0) db.SapSourceDefinitions.RemoveRange(oldSources);
if (oldJoins.Count > 0) db.SapJoinDefinitions.RemoveRange(oldJoins);
if (oldMappings.Count > 0) db.SapFieldMappings.RemoveRange(oldMappings);
if (IsSapSite())
{
NormalizeSapConfigCollections();
foreach (var source in _sapSources)
source.SiteId = siteId;
foreach (var join in _sapJoins)
join.SiteId = siteId;
foreach (var mapping in _sapMappings)
mapping.SiteId = siteId;
db.SapSourceDefinitions.AddRange(_sapSources);
db.SapJoinDefinitions.AddRange(_sapJoins);
db.SapFieldMappings.AddRange(_sapMappings);
}
await db.SaveChangesAsync();
}
private void NormalizeSapConfigCollections()
{
for (var i = 0; i < _sapSources.Count; i++)
_sapSources[i].SortOrder = i;
for (var i = 0; i < _sapJoins.Count; i++)
_sapJoins[i].SortOrder = i;
for (var i = 0; i < _sapMappings.Count; i++)
_sapMappings[i].SortOrder = i;
var selectedPrimaryIndex = _sapSources.FindIndex(s => s.IsPrimary);
var primarySource = selectedPrimaryIndex >= 0 ? _sapSources[selectedPrimaryIndex] : _sapSources.FirstOrDefault();
foreach (var source in _sapSources)
source.IsPrimary = primarySource is not null && ReferenceEquals(source, primarySource);
if (_sapSources.Count > 0 && _sapSources.All(s => !s.IsPrimary))
_sapSources[0].IsPrimary = true;
}
private async Task RefreshSapSourceFields()
{
if (_refreshingSapSourceFields)
return;
_refreshingSapSourceFields = true;
try
{
var activeSources = _sapSources
.Where(s => s.IsActive && !string.IsNullOrWhiteSpace(s.Alias) && !string.IsNullOrWhiteSpace(s.EntitySet))
.OrderBy(s => s.SortOrder)
.ThenBy(s => s.Id)
.ToList();
if (activeSources.Count == 0)
throw new InvalidOperationException("Es gibt keine aktiven SAP-Quellen mit Alias und Entity Set.");
using var db = await DbFactory.CreateDbContextAsync();
var sourceDefinition = await db.SourceSystemDefinitions
.OrderBy(x => x.Id)
.FirstOrDefaultAsync(x => x.Code == _editingSite.SourceSystem);
var serviceUrl = string.IsNullOrWhiteSpace(_editingSite.SapServiceUrl)
? sourceDefinition?.CentralServiceUrl ?? string.Empty
: _editingSite.SapServiceUrl;
if (string.IsNullOrWhiteSpace(serviceUrl))
throw new InvalidOperationException("Es ist weder eine zentrale SAP Service URL noch ein Standort-Override gesetzt.");
var username = string.IsNullOrWhiteSpace(_editingSite.UsernameOverride)
? sourceDefinition?.CentralUsername ?? string.Empty
: _editingSite.UsernameOverride;
var password = string.IsNullOrWhiteSpace(_editingSite.PasswordOverride)
? sourceDefinition?.CentralPassword ?? string.Empty
: _editingSite.PasswordOverride;
if (string.IsNullOrWhiteSpace(username) || string.IsNullOrWhiteSpace(password))
throw new InvalidOperationException("Für SAP sind weder zentrale Zugangsdaten noch Standort-Overrides gesetzt.");
var expressions = new List<string> { "=SAP" };
var sourceFieldMap = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
foreach (var source in activeSources)
{
var fieldNames = await SapGatewayService.GetEntityFieldNamesAsync(serviceUrl, source.EntitySet, username.Trim(), password.Trim());
sourceFieldMap[source.Alias] = fieldNames;
expressions.AddRange(fieldNames.Select(field => $"{source.Alias}.{field}"));
}
_sapAvailableSourceExpressions = expressions
.Where(x => !string.IsNullOrWhiteSpace(x))
.Distinct(StringComparer.OrdinalIgnoreCase)
.OrderBy(x => x, StringComparer.OrdinalIgnoreCase)
.ToList();
_sapSourceFieldMap = sourceFieldMap;
foreach (var current in BuildSourceExpressionsFromMappings())
{
if (!_sapAvailableSourceExpressions.Contains(current, StringComparer.OrdinalIgnoreCase))
_sapAvailableSourceExpressions.Add(current);
}
_sapAvailableSourceExpressions = _sapAvailableSourceExpressions
.Distinct(StringComparer.OrdinalIgnoreCase)
.OrderBy(x => x, StringComparer.OrdinalIgnoreCase)
.ToList();
Snackbar.Add($"{_sapAvailableSourceExpressions.Count} Source Expressions geladen.", Severity.Success);
}
catch (Exception ex)
{
Snackbar.Add(ex.Message, Severity.Error);
}
finally
{
_refreshingSapSourceFields = false;
}
}
private IEnumerable<string> GetAvailableSourceExpressions(string? currentValue)
{
var expressions = new List<string>(_sapAvailableSourceExpressions);
if (!string.IsNullOrWhiteSpace(currentValue) && !expressions.Contains(currentValue, StringComparer.OrdinalIgnoreCase))
expressions.Insert(0, currentValue);
return expressions;
}
private List<string> BuildSourceExpressionsFromMappings()
=> _sapMappings
.Select(m => m.SourceExpression)
.Where(x => !string.IsNullOrWhiteSpace(x))
.Distinct(StringComparer.OrdinalIgnoreCase)
.OrderBy(x => x, StringComparer.OrdinalIgnoreCase)
.ToList();
private Dictionary<string, List<string>> BuildSourceFieldMapFromJoins()
{
var result = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
foreach (var join in _sapJoins)
{
AddJoinKeysToFieldMap(result, join.LeftAlias, join.LeftKeys);
AddJoinKeysToFieldMap(result, join.RightAlias, join.RightKeys);
}
return result;
}
private static void AddJoinKeysToFieldMap(Dictionary<string, List<string>> target, string alias, string keys)
{
if (string.IsNullOrWhiteSpace(alias))
return;
if (!target.TryGetValue(alias, out var fields))
{
fields = [];
target[alias] = fields;
}
foreach (var key in GetSelectedJoinKeys(keys))
{
if (!fields.Contains(key, StringComparer.OrdinalIgnoreCase))
fields.Add(key);
}
fields.Sort(StringComparer.OrdinalIgnoreCase);
}
private IEnumerable<string> GetAvailableJoinFields(string? alias, string? currentKeys)
{
var values = new List<string>();
if (!string.IsNullOrWhiteSpace(alias) && _sapSourceFieldMap.TryGetValue(alias, out var fields))
values.AddRange(fields);
foreach (var key in GetSelectedJoinKeys(currentKeys))
{
if (!values.Contains(key, StringComparer.OrdinalIgnoreCase))
values.Add(key);
}
return values
.Where(x => !string.IsNullOrWhiteSpace(x))
.Distinct(StringComparer.OrdinalIgnoreCase)
.OrderBy(x => x, StringComparer.OrdinalIgnoreCase)
.ToList();
}
private static HashSet<string> GetSelectedJoinKeys(string? keys)
=> keys?
.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
.Where(x => !string.IsNullOrWhiteSpace(x))
.ToHashSet(StringComparer.OrdinalIgnoreCase)
?? [];
}