[Feature] Aggiunto supporto completo OLE DB per connessione database
## Nuovi file - DataConnection/DB/OleDbDatabaseManager.cs: Manager completo per connessioni OLE DB con supporto Task.Run() per operazioni sincrone, parametri posizionali '?', guard per piattaforma Windows, nessun supporto ChangeDatabaseAsync (no-op) - DataConnection/DB/EF/SchemaProviders/OleDbSchemaProvider.cs: Schema provider per OLE DB, usa OleDbSchemaGuid per tabelle/colonne/chiavi primarie, mapping tipi dati - CredentialManager/Services/OleDbProviderDiscoveryService.cs: Servizio di discovery provider OLE DB installati tramite registro Windows (HKEY_CLASSES_ROOT). Rileva 9 provider noti: VFPOLEDB.1, Microsoft.ACE.OLEDB.12.0, Jet 4.0, SQLOLEDB, ecc. Mostra warning per provider solo 32-bit (VFPOLEDB, Jet) - PUBLISH_32BIT_64BIT.md: Documentazione completa comandi pubblicazione per win-x64, win-x86 (richiesto per VFP), linux-x64, osx-x64, osx-arm64. Include prerequisiti VFPOLEDB, esempi connection string VFP, note Docker ## File modificati - DataConnection/DB/Enums/DatabaseType.cs: Aggiunto valore OleDb dopo Odbc - DataConnection/DataConnection.csproj: Aggiunto pacchetto System.Data.OleDb 9.0.3 - DataConnection/DB/OdbcDatabaseManager.cs: Fix bug ChangeDatabaseAsync con try-catch - CredentialManager/Models/CredentialModels.cs: Aggiunto OleDb all'enum DatabaseType, BuildOleDbConnectionString() con supporto provider da AdditionalParameters, default VFPOLEDB.1, costruzione connection string con parametri VFP - DataConnection/CredentialManagement/Models/CredentialExtensions.cs: Mappatura OleDb in ToDataConnectionDatabaseType() e ToCredentialDatabaseType() - DataConnection/CredentialManagement/Services/DataConnectionCredentialService.cs: Aggiunto case OleDb in TestDatabaseConnectionAsync e metodo TestOleDbConnection() con apertura connessione via Task.Run() e gestione OleDbException dettagliata - Data_Coupler/Services/DataConnectionFactory.cs: Aggiunto case OleDb per creazione OleDbDatabaseManager - Data_Coupler/Program.cs: Registrazione IOleDbProviderDiscoveryService come Scoped - Data_Coupler/Pages/CredentialManagement.razor: Aggiunta UI completa OLE DB con sezione dedicata Visual FoxPro (percorso .dbc/.dbf, Collating Sequence, DELETED), provider discovery con refresh, anteprima connection string, variabili di stato e metodi nel codice Blazor, sincronizzazione AdditionalParameters al salvataggio ## Compatibilità - VFP 8.0/9.0: testato con VFPOLEDB.1, connessione file-based .dbc e .dbf - Richiede pubblicazione win-x86 per driver OLE DB 32-bit - AnyCPU non supportato per VFP (COM 32-bit)
This commit is contained in:
@@ -8,6 +8,7 @@
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@using Microsoft.JSInterop
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@inject IDataConnectionCredentialService CredentialService
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@inject IOdbcDsnDiscoveryService OdbcDsnDiscoveryService
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@inject IOleDbProviderDiscoveryService OleDbProviderDiscoveryService
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@inject IJSRuntime JSRuntime
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@inject NavigationManager Navigation
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@@ -242,6 +243,7 @@ else
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<option value="@CredentialManager.Models.DatabaseType.DB2">DB2</option>
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<option value="@CredentialManager.Models.DatabaseType.SapHana">SAP HANA</option>*@
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<option value="@CredentialManager.Models.DatabaseType.Odbc">ODBC</option>
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<option value="@CredentialManager.Models.DatabaseType.OleDb">OLE DB</option>
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</InputSelect>
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</div>
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</div>
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@@ -465,6 +467,148 @@ else
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</div>
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</div>
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}
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else if (currentDatabaseCredential.DatabaseType == CredentialManager.Models.DatabaseType.OleDb)
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{
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<!-- Configurazione OLE DB -->
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<div class="card mb-3">
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<div class="card-header bg-warning text-dark">
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<h6 class="mb-0"><i class="oi oi-link-intact"></i> Configurazione OLE DB</h6>
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</div>
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<div class="card-body">
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<div class="alert alert-danger py-2">
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<i class="oi oi-warning"></i> <strong>Attenzione — Compatibilità 32-bit:</strong>
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Driver come <strong>VFPOLEDB.1</strong> (Visual FoxPro) sono <strong>esclusivamente 32-bit</strong>.
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Pubblica l'applicazione con <code>dotnet publish --runtime win-x86</code>.
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Vedi <strong>PUBLISH_32BIT_64BIT.md</strong> per tutti i dettagli.
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</div>
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<div class="mb-3">
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<label class="form-label">
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Provider OLE DB *
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<button type="button" class="btn btn-sm btn-outline-secondary ms-2" @onclick="RefreshOleDbProviderList">
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<i class="oi oi-reload"></i> Aggiorna Lista
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</button>
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</label>
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@if (availableOleDbProviders.Any())
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{
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<select class="form-select" @bind="selectedOleDbProvider">
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<option value="">-- Seleziona Provider --</option>
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@foreach (var prov in availableOleDbProviders)
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{
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<option value="@prov.ProgId">@prov.ProgId — @prov.Description</option>
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}
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</select>
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@if (!string.IsNullOrEmpty(selectedOleDbProvider))
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{
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var info = availableOleDbProviders.FirstOrDefault(p => p.ProgId == selectedOleDbProvider);
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if (info?.Note != null)
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{
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<div class="alert alert-warning mt-2 py-2 small">
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<i class="oi oi-warning"></i> @info.Note
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</div>
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}
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}
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}
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else
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{
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<div class="alert alert-info py-2 small">
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<i class="oi oi-info"></i> Nessun provider OLE DB rilevato automaticamente.
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Potrebbe essere necessario eseguire in modalità 32-bit. Inserisci manualmente il ProgID:
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</div>
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}
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<InputText class="form-control mt-1" @bind-Value="selectedOleDbProvider"
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placeholder="es. VFPOLEDB.1, Microsoft.ACE.OLEDB.12.0, Microsoft.Jet.OLEDB.4.0" />
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<small class="form-text text-muted">
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Provider comuni: <code>VFPOLEDB.1</code> (VFP), <code>Microsoft.ACE.OLEDB.12.0</code> (Access/Excel), <code>Microsoft.Jet.OLEDB.4.0</code> (Access 97-2003)
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</small>
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</div>
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@if (IsVfpProvider())
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{
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<!-- Sezione specifica Visual FoxPro -->
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<div class="mb-3">
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<label class="form-label">Percorso Database VFP * <small class="text-muted">(.dbc o cartella .dbf)</small></label>
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<InputText class="form-control font-monospace"
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@bind-Value="currentDatabaseCredential.DatabaseName"
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placeholder="es. C:\VFP\Database\miodb.dbc oppure C:\VFP\Tabelle\" />
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<small class="form-text text-muted">
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Per database container (<code>.dbc</code>): percorso completo al file.<br />
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Per tabelle free (<code>.dbf</code>): percorso della cartella contenente i file.
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</small>
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</div>
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<div class="row">
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<div class="col-md-6">
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<div class="mb-3">
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<label class="form-label">Collating Sequence</label>
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<select class="form-select" @bind="oleDbCollatingSequence">
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<option value="">-- Default (machine) --</option>
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<option value="machine">machine</option>
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<option value="general">general</option>
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<option value="spanish">spanish</option>
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<option value="dutch">dutch</option>
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<option value="french">french</option>
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<option value="german">german</option>
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<option value="italian">italian</option>
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</select>
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</div>
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</div>
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<div class="col-md-6">
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<div class="mb-3">
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<label class="form-label">Record Cancellati (DELETED)</label>
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<select class="form-select" @bind="oleDbDeleted">
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<option value="">-- Default (ON) --</option>
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<option value="ON">ON — escludi record cancellati</option>
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<option value="OFF">OFF — includi record cancellati</option>
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</select>
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</div>
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</div>
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</div>
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<div class="row">
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<div class="col-md-6">
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<div class="mb-3">
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<label class="form-label">Username <small class="text-muted">(raramente richiesto per VFP)</small></label>
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<InputText class="form-control" @bind-Value="currentDatabaseCredential.Username" placeholder="Opzionale" />
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</div>
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</div>
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<div class="col-md-6">
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<div class="mb-3">
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<label class="form-label">Password <small class="text-muted">(raramente richiesta per VFP)</small></label>
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<InputText type="password" class="form-control" @bind-Value="currentDatabaseCredential.Password" placeholder="Opzionale" />
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</div>
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</div>
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</div>
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}
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else
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{
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<div class="mb-3">
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<label class="form-label">Data Source <small class="text-muted">(percorso file o server)</small></label>
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<InputText class="form-control" @bind-Value="currentDatabaseCredential.DatabaseName"
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placeholder="es. C:\Access\miodb.accdb oppure server\database" />
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</div>
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<div class="row">
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<div class="col-md-6">
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<div class="mb-3">
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<label class="form-label">Username</label>
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<InputText class="form-control" @bind-Value="currentDatabaseCredential.Username" placeholder="Opzionale" />
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</div>
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</div>
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<div class="col-md-6">
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<div class="mb-3">
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<label class="form-label">Password</label>
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<InputText type="password" class="form-control" @bind-Value="currentDatabaseCredential.Password" placeholder="Opzionale" />
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</div>
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</div>
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</div>
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}
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<div class="mb-3">
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<label class="form-label">Anteprima Connection String</label>
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<textarea class="form-control font-monospace" rows="3" readonly>@GetOleDbConnectionStringPreview()</textarea>
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<small class="form-text text-muted">Anteprima della connection string che verrà generata</small>
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</div>
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</div>
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</div>
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}
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else
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{
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<!-- Configurazione Standard Database -->
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@@ -885,6 +1029,12 @@ else
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private string selectedOdbcDriver = string.Empty;
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private bool loadingOdbcData = false;
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// OLE DB specific state
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private List<OleDbProviderInfo> availableOleDbProviders = new();
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private string selectedOleDbProvider = string.Empty;
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private string oleDbCollatingSequence = string.Empty;
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private string oleDbDeleted = string.Empty;
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protected override async Task OnInitializedAsync()
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{ await RefreshCredentials();
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CheckForProblematicCredentials();
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@@ -931,6 +1081,11 @@ else
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{
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await LoadOdbcData();
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}
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// Se è OLE DB, carica i provider
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if (currentDatabaseCredential.DatabaseType == DatabaseType.OleDb)
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{
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LoadOleDbData();
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}
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}
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private async Task EditDatabaseCredential(DatabaseCredential credential)
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@@ -963,6 +1118,19 @@ else
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selectedOdbcDriver = currentDatabaseCredential.AdditionalParameters["Driver"];
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}
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}
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// Se è OLE DB, carica i provider e ripristina il provider selezionato
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if (currentDatabaseCredential.DatabaseType == DatabaseType.OleDb)
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{
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LoadOleDbData();
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if (currentDatabaseCredential.AdditionalParameters?.ContainsKey("Provider") == true)
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{
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selectedOleDbProvider = currentDatabaseCredential.AdditionalParameters["Provider"];
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}
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if (currentDatabaseCredential.AdditionalParameters?.ContainsKey("Collating Sequence") == true)
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oleDbCollatingSequence = currentDatabaseCredential.AdditionalParameters["Collating Sequence"];
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if (currentDatabaseCredential.AdditionalParameters?.ContainsKey("DELETED") == true)
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oleDbDeleted = currentDatabaseCredential.AdditionalParameters["DELETED"];
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}
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showDatabaseModal = true;
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}
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@@ -971,6 +1139,22 @@ else
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{
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try
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{
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// Sincronizza i parametri OLE DB negli AdditionalParameters prima del salvataggio
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if (currentDatabaseCredential.DatabaseType == DatabaseType.OleDb)
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{
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currentDatabaseCredential.AdditionalParameters ??= new Dictionary<string, string>();
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if (!string.IsNullOrEmpty(selectedOleDbProvider))
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currentDatabaseCredential.AdditionalParameters["Provider"] = selectedOleDbProvider;
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if (!string.IsNullOrEmpty(oleDbCollatingSequence))
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currentDatabaseCredential.AdditionalParameters["Collating Sequence"] = oleDbCollatingSequence;
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else
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currentDatabaseCredential.AdditionalParameters.Remove("Collating Sequence");
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if (!string.IsNullOrEmpty(oleDbDeleted))
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currentDatabaseCredential.AdditionalParameters["DELETED"] = oleDbDeleted;
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else
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currentDatabaseCredential.AdditionalParameters.Remove("DELETED");
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}
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await CredentialService.SaveDatabaseCredentialAsync(currentDatabaseCredential);
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await JSRuntime.InvokeVoidAsync("alert", "Credenziale database salvata con successo!");
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CloseDatabaseModal();
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@@ -1289,6 +1473,64 @@ else
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StateHasChanged();
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}
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// OLE DB Methods
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private void LoadOleDbData()
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{
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try
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{
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availableOleDbProviders = OleDbProviderDiscoveryService.GetInstalledProviders();
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}
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catch
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{
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availableOleDbProviders = new List<OleDbProviderInfo>();
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}
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}
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private void RefreshOleDbProviderList()
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{
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LoadOleDbData();
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StateHasChanged();
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}
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private bool IsVfpProvider()
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{
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if (string.IsNullOrEmpty(selectedOleDbProvider))
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return false;
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return selectedOleDbProvider.StartsWith("VFPOLEDB", StringComparison.OrdinalIgnoreCase);
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}
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private string GetOleDbConnectionStringPreview()
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{
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if (currentDatabaseCredential.DatabaseType != DatabaseType.OleDb)
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return string.Empty;
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try
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{
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// Copia i parametri OLE DB nei AdditionalParameters temporaneamente
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currentDatabaseCredential.AdditionalParameters ??= new Dictionary<string, string>();
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if (!string.IsNullOrEmpty(selectedOleDbProvider))
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currentDatabaseCredential.AdditionalParameters["Provider"] = selectedOleDbProvider;
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if (!string.IsNullOrEmpty(oleDbCollatingSequence))
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currentDatabaseCredential.AdditionalParameters["Collating Sequence"] = oleDbCollatingSequence;
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else
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currentDatabaseCredential.AdditionalParameters.Remove("Collating Sequence");
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if (!string.IsNullOrEmpty(oleDbDeleted))
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currentDatabaseCredential.AdditionalParameters["DELETED"] = oleDbDeleted;
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else
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currentDatabaseCredential.AdditionalParameters.Remove("DELETED");
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return ConnectionStringBuilder.BuildConnectionString(currentDatabaseCredential);
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}
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catch (Exception ex)
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{
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return $"Errore nella generazione: {ex.Message}";
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}
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}
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#endregion
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#endregion
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@@ -109,6 +109,7 @@ builder.Services.AddScoped<IDataConnectionFactory, DataConnectionFactory>();
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// Register ODBC DSN Discovery Service
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builder.Services.AddScoped<CredentialManager.Services.IOdbcDsnDiscoveryService, CredentialManager.Services.OdbcDsnDiscoveryService>();
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builder.Services.AddScoped<CredentialManager.Services.IOleDbProviderDiscoveryService, CredentialManager.Services.OleDbProviderDiscoveryService>();
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// Register Association Service (Pre-Discovery)
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builder.Services.AddScoped<Data_Coupler.Services.IAssociationService, Data_Coupler.Services.AssociationService>();
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@@ -83,6 +83,14 @@ namespace Data_Coupler.Services
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return new DataConnection.DB.OdbcDatabaseManager(connectionString);
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}
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// Per OLE DB, usa OleDbDatabaseManager direttamente (EF Core non supporta OLE DB)
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if (credential.DatabaseType == DatabaseType.OleDb)
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{
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var connectionString = CredentialManager.Models.ConnectionStringBuilder.BuildConnectionString(credential);
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_logger.LogInformation("Creando OleDbDatabaseManager con connection string per {CredentialName}", credentialName);
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return new DataConnection.DB.OleDbDatabaseManager(connectionString);
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}
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// Per altri database, usa EFCoreDatabaseManager
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var dbManagerOptions = await _credentialService.GetDbManagerOptionsAsync(credential.Name);
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return new EFCoreDatabaseManager(dbManagerOptions);
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