Implement backup and restore functionality; add IBackupService and BackupService; refactor services to use DbContextFactory

This commit is contained in:
2026-04-03 10:53:53 +02:00
parent 0923c037eb
commit 387c18e834
15 changed files with 411 additions and 71 deletions

View File

@@ -1,4 +1,5 @@
@inherits LayoutComponentBase
@using System.Reflection
<div class="d-flex flex-column vh-100">
<nav class="app-navbar d-flex justify-content-between align-items-center">
@@ -43,10 +44,17 @@
{
get
{
var now = DateTime.Now;
var yearShort = now.Year % 100;
var dayOfYear = now.DayOfYear;
return $"{yearShort}.{dayOfYear}";
var entryAssembly = Assembly.GetEntryAssembly();
var infoVersion = entryAssembly?
.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?
.InformationalVersion;
if (!string.IsNullOrWhiteSpace(infoVersion))
{
return infoVersion.Split('+')[0];
}
return entryAssembly?.GetName().Version?.ToString(2) ?? "1.0";
}
}
}

View File

@@ -28,6 +28,7 @@
<button class="btn btn-secondary btn-nav" @onclick="NavigateBack">
<i class="bi bi-arrow-left"></i> Zurück
</button>
|
<button class="btn btn-success btn-nav" @onclick="() => showAddEntry = true">
<i class="bi bi-plus-lg"></i> Buchung
</button>
@@ -37,6 +38,7 @@
<button class="btn btn-dark btn-nav" @onclick="HandleExport">
<i class="bi bi-file-earmark-pdf"></i> PDF
</button>
|
<button class="btn btn-nav @(showCurrentYearOnly ? "btn-primary" : "btn-outline-secondary")" @onclick="ToggleYearFilter">
<i class="bi bi-funnel"></i> @(showCurrentYearOnly ? $"Nur {DateTime.Now.Year}" : "Alle Buchungen")
</button>

View File

@@ -1,6 +1,9 @@
@page "/"
@inject IAccountService AccountService
@inject IBackupService BackupService
@inject ISettingsService SettingsService
@inject IJSRuntime JsRuntime
@inject NavigationManager NavigationManager
<div class="container-fluid">
@@ -19,8 +22,22 @@
<button class="btn-nav btn-primary" @onclick="() => showAddAccount = true">
<i class="bi bi-plus-lg"></i> Neues Konto
</button>
|
<button class="btn-nav btn-success" @onclick="HandleBackupAsync">
<i class="bi bi-save"></i> Backup
</button>
<button class="btn-nav btn-warning" @onclick="HandleRestoreAsync">
<i class="bi bi-arrow-counterclockwise"></i> Restore
</button>
</div>
@if (!string.IsNullOrWhiteSpace(operationMessage))
{
<div class="alert @operationMessageClass mb-3" role="alert">
@operationMessage
</div>
}
@if (accounts == null)
{
<div class="text-center py-5">
@@ -56,6 +73,8 @@
private bool showAddAccount;
private bool showEditClubName;
private string clubName = string.Empty;
private string? operationMessage;
private string operationMessageClass = "alert-info";
private string DisplayClubName => string.IsNullOrWhiteSpace(clubName) ? "Mein Verein" : clubName;
protected override async Task OnInitializedAsync()
@@ -87,4 +106,39 @@
showEditClubName = false;
await LoadClubName();
}
private async Task HandleBackupAsync()
{
var message = await BackupService.CreateBackupAsync();
if(message.Contains("fehlgeschlagen", StringComparison.OrdinalIgnoreCase)) {
SetOperationMessage(message, false);
}
}
private async Task HandleRestoreAsync()
{
var confirmed = await JsRuntime.InvokeAsync<bool>("confirm",
"Restore überschreibt die aktuelle Datenbank. Möchten Sie fortfahren?");
if (!confirmed) return;
var message = await BackupService.RestoreBackupAsync();
var isSuccess = message.StartsWith("Wiederherstellung erfolgreich", StringComparison.OrdinalIgnoreCase);
if (isSuccess)
{
// Reload the Blazor app so all components/services re-query from restored DB.
NavigationManager.NavigateTo("/", forceLoad: true);
} else {
SetOperationMessage(message, isSuccess);
}
}
private void SetOperationMessage(string message, bool success)
{
operationMessage = message;
operationMessageClass = success ? "alert-success" : "alert-danger";
}
}

View File

@@ -0,0 +1,7 @@
namespace Duempelkas.App.Services;
public interface IBackupService
{
Task<string> CreateBackupAsync();
Task<string> RestoreBackupAsync();
}

View File

@@ -2,8 +2,21 @@
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<OutputType>Exe</OutputType>
<OutputType Condition="$([MSBuild]::IsOSPlatform('Windows'))">WinExe</OutputType>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<Version>$([System.DateTime]::Now.ToString('yy')).$([System.DateTime]::Now.DayOfYear)</Version>
<PublishedExeFileName>Duempelkas-v$(Version).exe</PublishedExeFileName>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)' == 'Release'">
<SelfContained>true</SelfContained>
<PublishSingleFile>true</PublishSingleFile>
<EnableCompressionInSingleFile>true</EnableCompressionInSingleFile>
<IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract>
<IncludeAllContentForSelfExtract>true</IncludeAllContentForSelfExtract>
<DebugType>None</DebugType>
<DebugSymbols>false</DebugSymbols>
</PropertyGroup>
<ItemGroup>
@@ -24,4 +37,11 @@
<ProjectReference Include="..\Duempelkas.App\Duempelkas.App.csproj" />
<ProjectReference Include="..\Duempelkas.Infrastructure\Duempelkas.Infrastructure.csproj" />
</ItemGroup>
<Target Name="FinalizePublishOutput" AfterTargets="Publish">
<Move SourceFiles="$(PublishDir)$(AssemblyName).exe"
DestinationFiles="$(PublishDir)$(PublishedExeFileName)"
Condition="Exists('$(PublishDir)$(AssemblyName).exe') and '$(AssemblyName).exe' != '$(PublishedExeFileName)'" />
<Touch Files="$(PublishDir)duempelkas.db" AlwaysCreate="true" Condition="!Exists('$(PublishDir)duempelkas.db')" />
</Target>
</Project>

View File

@@ -13,7 +13,8 @@ class Program
{
var appBuilder = PhotinoBlazorAppBuilder.CreateDefault(args);
var dbPath = Path.Combine(AppContext.BaseDirectory, "duempelkas.db");
var exeDirectory = Path.GetDirectoryName(Environment.ProcessPath ?? AppContext.BaseDirectory) ?? AppContext.BaseDirectory;
var dbPath = Path.Combine(exeDirectory, "duempelkas.db");
appBuilder.Services.AddInfrastructure($"Data Source={dbPath}");
appBuilder.RootComponents.Add<Duempelkas.App.Components.App>("app");

View File

@@ -12,12 +12,15 @@ public static class DependencyInjection
{
services.AddDbContext<FinanceDbContext>(options =>
options.UseSqlite(connectionString));
services.AddDbContextFactory<FinanceDbContext>(options =>
options.UseSqlite(connectionString));
services.AddScoped<IAccountService, AccountService>();
services.AddScoped<IEntryService, EntryService>();
services.AddScoped<IBalanceQueryService, BalanceQueryService>();
services.AddScoped<IPdfStatementService, PdfStatementService>();
services.AddScoped<IFileSaveService, FileSaveService>();
services.AddSingleton<IBackupService, BackupService>();
services.AddSingleton<ISettingsService, SettingsService>();
return services;

View File

@@ -9,13 +9,15 @@ namespace Duempelkas.Infrastructure.Services;
public class AccountService : IAccountService
{
private readonly FinanceDbContext _db;
private readonly IDbContextFactory<FinanceDbContext> _dbFactory;
public AccountService(FinanceDbContext db) => _db = db;
public AccountService(IDbContextFactory<FinanceDbContext> dbFactory) => _dbFactory = dbFactory;
public async Task<List<AccountSummaryDto>> GetAllAccountsAsync()
{
var accounts = await _db.Accounts
await using var db = await _dbFactory.CreateDbContextAsync();
var accounts = await db.Accounts
.Include(a => a.Entries)
.OrderBy(a => a.Name)
.ToListAsync();
@@ -25,7 +27,9 @@ public class AccountService : IAccountService
public async Task<AccountSummaryDto> GetAccountAsync(int accountId)
{
var account = await _db.Accounts
await using var db = await _dbFactory.CreateDbContextAsync();
var account = await db.Accounts
.Include(a => a.Entries)
.FirstOrDefaultAsync(a => a.Id == accountId)
?? throw new InvalidOperationException($"Account {accountId} not found.");
@@ -35,51 +39,59 @@ public class AccountService : IAccountService
public async Task<AccountSummaryDto> CreateAccountAsync(string name)
{
await using var db = await _dbFactory.CreateDbContextAsync();
var account = new Account { Name = name };
_db.Accounts.Add(account);
await _db.SaveChangesAsync();
db.Accounts.Add(account);
await db.SaveChangesAsync();
return new AccountSummaryDto(account.Id, account.Name, 0m, 0m, account.CreatedUtc);
}
public async Task RenameAccountAsync(int accountId, string newName)
{
var account = await _db.Accounts.FindAsync(accountId)
await using var db = await _dbFactory.CreateDbContextAsync();
var account = await db.Accounts.FindAsync(accountId)
?? throw new InvalidOperationException($"Account {accountId} not found.");
account.Name = newName;
await _db.SaveChangesAsync();
await db.SaveChangesAsync();
}
public async Task UpdateCarryoverAsync(int accountId, decimal carryoverBalance)
{
var account = await _db.Accounts.FindAsync(accountId)
await using var db = await _dbFactory.CreateDbContextAsync();
var account = await db.Accounts.FindAsync(accountId)
?? throw new InvalidOperationException($"Account {accountId} not found.");
account.CarryoverBalance = carryoverBalance;
await _db.SaveChangesAsync();
await db.SaveChangesAsync();
}
public async Task DeleteAccountAsync(int accountId)
{
var account = await _db.Accounts
await using var db = await _dbFactory.CreateDbContextAsync();
var account = await db.Accounts
.Include(a => a.Entries)
.FirstOrDefaultAsync(a => a.Id == accountId)
?? throw new InvalidOperationException($"Account {accountId} not found.");
var entryIds = account.Entries.Select(e => e.Id).ToList();
var transferLinks = await _db.TransferLinks
var transferLinks = await db.TransferLinks
.Where(tl => entryIds.Contains(tl.SourceEntryId) || entryIds.Contains(tl.TargetEntryId))
.ToListAsync();
foreach (var link in transferLinks)
{
var otherEntryId = entryIds.Contains(link.SourceEntryId) ? link.TargetEntryId : link.SourceEntryId;
var otherEntry = await _db.Entries.FindAsync(otherEntryId);
var otherEntry = await db.Entries.FindAsync(otherEntryId);
if (otherEntry != null)
_db.Entries.Remove(otherEntry);
db.Entries.Remove(otherEntry);
}
_db.TransferLinks.RemoveRange(transferLinks);
db.TransferLinks.RemoveRange(transferLinks);
_db.Accounts.Remove(account);
await _db.SaveChangesAsync();
db.Accounts.Remove(account);
await db.SaveChangesAsync();
}
private static AccountSummaryDto MapToSummary(Account account)

View File

@@ -0,0 +1,146 @@
using System.Diagnostics;
using System.Runtime.InteropServices;
using Duempelkas.App.Services;
using Microsoft.Data.Sqlite;
namespace Duempelkas.Infrastructure.Services;
public class BackupService : IBackupService
{
private static readonly string DbPath = Path.Combine(
Path.GetDirectoryName(Environment.ProcessPath ?? AppContext.BaseDirectory) ?? AppContext.BaseDirectory,
"duempelkas.db");
public async Task<string> CreateBackupAsync()
{
if (!File.Exists(DbPath))
{
return "Keine Datenbankdatei gefunden.";
}
var suggestedFileName = $"duempelkas-backup-{DateTime.Now:yyMMdd-HHmm}.bak";
var backupPath = await ShowSaveDialogAsync(suggestedFileName);
if (string.IsNullOrWhiteSpace(backupPath))
{
return "Backup wurde abgebrochen.";
}
backupPath = Path.ChangeExtension(backupPath, ".bak");
try
{
File.Copy(DbPath, backupPath, overwrite: true);
return $"Backup gespeichert: {backupPath}";
}
catch (Exception ex)
{
return $"Backup fehlgeschlagen: {ex.Message}";
}
}
public async Task<string> RestoreBackupAsync()
{
var backupPath = await ShowOpenDialogAsync();
if (string.IsNullOrWhiteSpace(backupPath))
{
return "Wiederherstellung wurde abgebrochen.";
}
if (!File.Exists(backupPath))
{
return "Die gewählte Backup-Datei wurde nicht gefunden.";
}
try
{
// Ensure no pooled connection keeps stale handles to the previous DB file.
SqliteConnection.ClearAllPools();
var targetDirectory = Path.GetDirectoryName(DbPath);
if (!string.IsNullOrWhiteSpace(targetDirectory))
{
Directory.CreateDirectory(targetDirectory);
}
File.Copy(backupPath, DbPath, overwrite: true);
SqliteConnection.ClearAllPools();
return "Wiederherstellung erfolgreich. Die Datenbank wurde neu geladen.";
}
catch (Exception ex)
{
return $"Wiederherstellung fehlgeschlagen: {ex.Message}";
}
}
private static Task<string?> ShowSaveDialogAsync(string suggestedFileName)
{
return Task.Run(() =>
{
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
var documentsPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
return Path.Combine(documentsPath, suggestedFileName);
}
var script = $@"
Add-Type -AssemblyName System.Windows.Forms
$dialog = New-Object System.Windows.Forms.SaveFileDialog
$dialog.Filter = 'Backup-Dateien (*.bak)|*.bak'
$dialog.DefaultExt = 'bak'
$dialog.AddExtension = $true
$dialog.OverwritePrompt = $true
$dialog.FileName = '{suggestedFileName.Replace("'", "''")}'
$dialog.Title = 'Backup speichern'
if ($dialog.ShowDialog() -eq 'OK') {{ $dialog.FileName }} else {{ '' }}
";
return RunPowerShellDialog(script);
});
}
private static Task<string?> ShowOpenDialogAsync()
{
return Task.Run(() =>
{
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
return null;
}
var script = @"
Add-Type -AssemblyName System.Windows.Forms
$dialog = New-Object System.Windows.Forms.OpenFileDialog
$dialog.Filter = 'Backup-Dateien (*.bak)|*.bak'
$dialog.Multiselect = $false
$dialog.Title = 'Backup auswählen'
if ($dialog.ShowDialog() -eq 'OK') { $dialog.FileName } else { '' }
";
return RunPowerShellDialog(script);
});
}
private static string? RunPowerShellDialog(string script)
{
var psi = new ProcessStartInfo
{
FileName = "powershell",
Arguments = $"-NoProfile -Command \"{script.Replace("\"", "\\\"") }\"",
RedirectStandardOutput = true,
UseShellExecute = false,
CreateNoWindow = true
};
using var process = Process.Start(psi);
if (process == null)
{
return null;
}
var result = process.StandardOutput.ReadToEnd().Trim();
process.WaitForExit();
return string.IsNullOrWhiteSpace(result) ? null : result;
}
}

View File

@@ -8,13 +8,15 @@ namespace Duempelkas.Infrastructure.Services;
public class BalanceQueryService : IBalanceQueryService
{
private readonly FinanceDbContext _db;
private readonly IDbContextFactory<FinanceDbContext> _dbFactory;
public BalanceQueryService(FinanceDbContext db) => _db = db;
public BalanceQueryService(IDbContextFactory<FinanceDbContext> dbFactory) => _dbFactory = dbFactory;
public async Task<AccountBalanceDto> GetAccountBalanceAsync(int accountId)
{
var account = await _db.Accounts
await using var db = await _dbFactory.CreateDbContextAsync();
var account = await db.Accounts
.Include(a => a.Entries)
.FirstOrDefaultAsync(a => a.Id == accountId)
?? throw new InvalidOperationException($"Konto {accountId} nicht gefunden.");

View File

@@ -9,13 +9,15 @@ namespace Duempelkas.Infrastructure.Services;
public class EntryService : IEntryService
{
private readonly FinanceDbContext _db;
private readonly IDbContextFactory<FinanceDbContext> _dbFactory;
public EntryService(FinanceDbContext db) => _db = db;
public EntryService(IDbContextFactory<FinanceDbContext> dbFactory) => _dbFactory = dbFactory;
public async Task<List<EntryDto>> GetEntriesAsync(int accountId, bool currentYearOnly)
{
var query = _db.Entries.Where(e => e.AccountId == accountId);
await using var db = await _dbFactory.CreateDbContextAsync();
var query = db.Entries.Where(e => e.AccountId == accountId);
if (currentYearOnly)
query = query.Where(e => e.Date.Year == DateTime.Now.Year);
@@ -27,7 +29,7 @@ public class EntryService : IEntryService
var entryIds = entries.Select(e => e.Id).ToList();
var transferLinks = await _db.TransferLinks
var transferLinks = await db.TransferLinks
.Include(tl => tl.SourceEntry).ThenInclude(e => e.Account)
.Include(tl => tl.TargetEntry).ThenInclude(e => e.Account)
.Where(tl => entryIds.Contains(tl.SourceEntryId) || entryIds.Contains(tl.TargetEntryId))
@@ -59,7 +61,9 @@ public class EntryService : IEntryService
public async Task<EntryDto> CreateEntryAsync(int accountId, EntryType type, DateTime date, string title, decimal amount)
{
var displayId = await GenerateDisplayIdAsync(accountId, date.Year);
await using var db = await _dbFactory.CreateDbContextAsync();
var displayId = await GenerateDisplayIdAsync(db, accountId, date.Year);
var entry = new Entry
{
@@ -70,8 +74,8 @@ public class EntryService : IEntryService
Title = title,
Amount = amount
};
_db.Entries.Add(entry);
await _db.SaveChangesAsync();
db.Entries.Add(entry);
await db.SaveChangesAsync();
return new EntryDto(entry.Id, entry.AccountId, entry.DisplayId, entry.Type, entry.Date, entry.Title, entry.Amount, false, false, null, null, null);
}
@@ -81,9 +85,10 @@ public class EntryService : IEntryService
if (sourceAccountId == targetAccountId)
throw new InvalidOperationException("Umbuchung innerhalb desselben Kontos ist nicht möglich.");
await using var transaction = await _db.Database.BeginTransactionAsync();
await using var db = await _dbFactory.CreateDbContextAsync();
await using var transaction = await db.Database.BeginTransactionAsync();
var sourceDisplayId = await GenerateDisplayIdAsync(sourceAccountId, date.Year);
var sourceDisplayId = await GenerateDisplayIdAsync(db, sourceAccountId, date.Year);
var sourceEntry = new Entry
{
@@ -95,10 +100,10 @@ public class EntryService : IEntryService
Amount = amount
};
_db.Entries.Add(sourceEntry);
await _db.SaveChangesAsync();
db.Entries.Add(sourceEntry);
await db.SaveChangesAsync();
var targetDisplayId = await GenerateDisplayIdAsync(targetAccountId, date.Year);
var targetDisplayId = await GenerateDisplayIdAsync(db, targetAccountId, date.Year);
var targetEntry = new Entry
{
@@ -110,8 +115,8 @@ public class EntryService : IEntryService
Amount = amount
};
_db.Entries.Add(targetEntry);
await _db.SaveChangesAsync();
db.Entries.Add(targetEntry);
await db.SaveChangesAsync();
var link = new TransferLink
{
@@ -119,62 +124,68 @@ public class EntryService : IEntryService
TargetEntryId = targetEntry.Id,
Note = $"Umbuchung: {title}"
};
_db.TransferLinks.Add(link);
await _db.SaveChangesAsync();
db.TransferLinks.Add(link);
await db.SaveChangesAsync();
sourceEntry.TransferLinkId = link.Id;
targetEntry.TransferLinkId = link.Id;
await _db.SaveChangesAsync();
await db.SaveChangesAsync();
await transaction.CommitAsync();
}
public async Task DeleteEntryAsync(int entryId)
{
var entry = await _db.Entries.FindAsync(entryId)
await using var db = await _dbFactory.CreateDbContextAsync();
var entry = await db.Entries.FindAsync(entryId)
?? throw new InvalidOperationException($"Eintrag {entryId} nicht gefunden.");
entry.IsDeleted = true;
var link = await _db.TransferLinks
var link = await db.TransferLinks
.FirstOrDefaultAsync(tl => tl.SourceEntryId == entryId || tl.TargetEntryId == entryId);
if (link != null)
{
var otherEntryId = link.SourceEntryId == entryId ? link.TargetEntryId : link.SourceEntryId;
var otherEntry = await _db.Entries.FindAsync(otherEntryId);
var otherEntry = await db.Entries.FindAsync(otherEntryId);
if (otherEntry != null) otherEntry.IsDeleted = true;
}
await _db.SaveChangesAsync();
await db.SaveChangesAsync();
}
public async Task RestoreEntryAsync(int entryId)
{
var entry = await _db.Entries.FindAsync(entryId)
await using var db = await _dbFactory.CreateDbContextAsync();
var entry = await db.Entries.FindAsync(entryId)
?? throw new InvalidOperationException($"Eintrag {entryId} nicht gefunden.");
entry.IsDeleted = false;
var link = await _db.TransferLinks
var link = await db.TransferLinks
.FirstOrDefaultAsync(tl => tl.SourceEntryId == entryId || tl.TargetEntryId == entryId);
if (link != null)
{
var otherEntryId = link.SourceEntryId == entryId ? link.TargetEntryId : link.SourceEntryId;
var otherEntry = await _db.Entries.FindAsync(otherEntryId);
var otherEntry = await db.Entries.FindAsync(otherEntryId);
if (otherEntry != null) otherEntry.IsDeleted = false;
}
await _db.SaveChangesAsync();
await db.SaveChangesAsync();
}
public async Task UpdateEntryAsync(int entryId, DateTime date, string title, decimal amount)
{
var entry = await _db.Entries.FindAsync(entryId)
await using var db = await _dbFactory.CreateDbContextAsync();
var entry = await db.Entries.FindAsync(entryId)
?? throw new InvalidOperationException($"Eintrag {entryId} nicht gefunden.");
var link = await _db.TransferLinks
var link = await db.TransferLinks
.FirstOrDefaultAsync(tl => tl.SourceEntryId == entryId || tl.TargetEntryId == entryId);
entry.Date = date;
@@ -184,7 +195,7 @@ public class EntryService : IEntryService
if (link != null)
{
var otherEntryId = link.SourceEntryId == entryId ? link.TargetEntryId : link.SourceEntryId;
var otherEntry = await _db.Entries.FindAsync(otherEntryId);
var otherEntry = await db.Entries.FindAsync(otherEntryId);
if (otherEntry != null)
{
otherEntry.Date = date;
@@ -193,20 +204,22 @@ public class EntryService : IEntryService
}
}
await _db.SaveChangesAsync();
await db.SaveChangesAsync();
}
public async Task UpdateTransferAsync(int entryId, int newLinkedAccountId, DateTime date, string title, decimal amount)
{
var entry = await _db.Entries.FindAsync(entryId)
await using var db = await _dbFactory.CreateDbContextAsync();
var entry = await db.Entries.FindAsync(entryId)
?? throw new InvalidOperationException($"Eintrag {entryId} nicht gefunden.");
var link = await _db.TransferLinks
var link = await db.TransferLinks
.FirstOrDefaultAsync(tl => tl.SourceEntryId == entryId || tl.TargetEntryId == entryId)
?? throw new InvalidOperationException($"Kein Transfer-Link für Eintrag {entryId} gefunden.");
var otherEntryId = link.SourceEntryId == entryId ? link.TargetEntryId : link.SourceEntryId;
var otherEntry = await _db.Entries.FindAsync(otherEntryId)
var otherEntry = await db.Entries.FindAsync(otherEntryId)
?? throw new InvalidOperationException($"Gegeneintrag {otherEntryId} nicht gefunden.");
// Update date, title, amount on both sides
@@ -221,16 +234,16 @@ public class EntryService : IEntryService
if (otherEntry.AccountId != newLinkedAccountId)
{
otherEntry.AccountId = newLinkedAccountId;
otherEntry.DisplayId = await GenerateDisplayIdAsync(newLinkedAccountId, date.Year);
otherEntry.DisplayId = await GenerateDisplayIdAsync(db, newLinkedAccountId, date.Year);
}
await _db.SaveChangesAsync();
await db.SaveChangesAsync();
}
private async Task<string> GenerateDisplayIdAsync(int accountId, int year)
private static async Task<string> GenerateDisplayIdAsync(FinanceDbContext db, int accountId, int year)
{
var prefix = $"{year}-";
var maxDisplayId = await _db.Entries
var maxDisplayId = await db.Entries
.Where(e => e.DisplayId.StartsWith(prefix))
.Select(e => e.DisplayId)
.MaxAsync(id => (string?)id);

View File

@@ -12,15 +12,15 @@ namespace Duempelkas.Infrastructure.Services;
public class PdfStatementService : IPdfStatementService
{
private readonly FinanceDbContext _db;
private readonly IDbContextFactory<FinanceDbContext> _dbFactory;
private readonly IEntryService _entryService;
private readonly IBalanceQueryService _balanceQueryService;
private readonly ISettingsService _settingsService;
private static readonly CultureInfo DeLocale = new("de-DE");
public PdfStatementService(FinanceDbContext db, IEntryService entryService, IBalanceQueryService balanceQueryService, ISettingsService settingsService)
public PdfStatementService(IDbContextFactory<FinanceDbContext> dbFactory, IEntryService entryService, IBalanceQueryService balanceQueryService, ISettingsService settingsService)
{
_db = db;
_dbFactory = dbFactory;
_entryService = entryService;
_balanceQueryService = balanceQueryService;
_settingsService = settingsService;
@@ -28,7 +28,9 @@ public class PdfStatementService : IPdfStatementService
public async Task<byte[]> GenerateStatementAsync(int accountId, bool currentYearOnly)
{
var account = await _db.Accounts.FindAsync(accountId)
await using var db = await _dbFactory.CreateDbContextAsync();
var account = await db.Accounts.FindAsync(accountId)
?? throw new InvalidOperationException($"Konto {accountId} nicht gefunden.");
var entries = await _entryService.GetEntriesAsync(accountId, currentYearOnly);