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Add SSL, MDC database, and custom HANA connection parameters

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Fixes 'error while parsing protocol' HanaException by supporting
SSL/TLS encryption, Multi-Tenant Database Container (MDC) database
name, and arbitrary additional connection parameters.

- HanaServer model: added DatabaseName, UseSsl, ValidateCertificate,
  AdditionalParams fields + BuildConnectionString() helper
- HanaQueryService: accepts HanaServer directly, uses
  BuildConnectionString() for full parameter support
- AppDbContext: added EnsureSchema() method that uses PRAGMA table_info
  + ALTER TABLE ADD COLUMN to add the new fields to existing SQLite
  databases without losing data (EnsureCreated does not update schema)
- Program.cs: calls EnsureSchema on startup before seeding
- Standorte.razor: server dialog now exposes DatabaseName, UseSsl,
  ValidateCertificate, AdditionalParams with helper texts; test
  connection uses new signature

https://claude.ai/code/session_012heAXNMbbyxqYf2S2HrKLj
This commit is contained in:
Claude
2026-04-13 08:52:10 +00:00
parent f916c26fb4
commit efcf7b180c
6 changed files with 113 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
TrafagSalesExporter/Components/Pages/Standorte.razor
+21 -4
View File
@@ -93,10 +93,19 @@
</TitleContent>
<DialogContent>
<MudTextField @bind-Value="_editingServer.Name" Label="Name" Required />
<MudTextField @bind-Value="_editingServer.Host" Label="Host" Required />
<MudNumericField @bind-Value="_editingServer.Port" Label="Port" />
<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.Username" Label="Username" />
<MudTextField @bind-Value="_editingServer.Password" Label="Password" InputType="InputType.Password" />
<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="() => _serverDialogVisible = false">Abbrechen</MudButton>
@@ -164,7 +173,11 @@
Host = server.Host,
Port = server.Port,
Username = server.Username,
Password = server.Password
Password = server.Password,
DatabaseName = server.DatabaseName,
UseSsl = server.UseSsl,
ValidateCertificate = server.ValidateCertificate,
AdditionalParams = server.AdditionalParams
};
_serverDialogVisible = true;
}
@@ -186,6 +199,10 @@
existing.Port = _editingServer.Port;
existing.Username = _editingServer.Username;
existing.Password = _editingServer.Password;
existing.DatabaseName = _editingServer.DatabaseName;
existing.UseSsl = _editingServer.UseSsl;
existing.ValidateCertificate = _editingServer.ValidateCertificate;
existing.AdditionalParams = _editingServer.AdditionalParams;
}
}
await db.SaveChangesAsync();
@@ -218,7 +235,7 @@
{
try
{
await Task.Run(() => HanaService.TestConnection(server.Host, server.Port, server.Username, server.Password));
await Task.Run(() => HanaService.TestConnection(server));
Snackbar.Add($"Verbindung zu '{server.Name}' erfolgreich!", Severity.Success);
}
catch (Exception ex)