Add Components/Loading.razor and swap the ad-hoc `<p>Lädt…</p>` guard
visuals for it across the four reports, three edit dialogs, and three
chart pages (the last three now show the placeholder instead of a
blank page while waiting for view data). Kept as a pure visual so
each call site changes from `<p>Lädt…</p>` to `<Loading/>` with no
other churn.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Every repository, service, Blazor page/dialog, and test now uses
async/await. Single atomic diff; the codebase does not compile in
intermediate states.
- BaseRepository: LoadListAsync/LoadAsync/SaveAsync return Task<T>;
per-file locks use SemaphoreSlim so waiters can await; Save
serialises to a MemoryStream sync (XmlSerializer has no async
form), then File.WriteAllBytesAsync + sync File.Move.
- RepositoryCache.GetOrLoadAsync takes a Func<Task<List<T>>>.
- All 7 repository interfaces + implementations async.
- All service interfaces + implementations async (except vendor
IFxService and stateless IFxConverter / SettingsService).
- Every Blazor OnInitializedAsync switches to await base.
- Test suite fully async, 42 tests pass.
AccountRepository.EnsureAccountsFile keeps two .GetAwaiter().GetResult()
bridges because it runs from the constructor.
Null-render guard follow-up (folded in):
Blazor now renders the component once with fields at their initial
values while OnInitializedAsync awaits — so fields declared `= null!`
are actually null on that first render and things like
`accounts.GroupBy(...)` throw ArgumentNullException. Fixed across
Transactions, BalanceReport, BalanceSheetReport, ProfitLossReport,
DetailReport, Assets, Spendings, SpendingsOverTime, TransactionDialog,
TransactionSplitDialog, and BookingRuleDialog:
- Collection fields initialise to [] so first-render loops are empty.
- Single-object data fields become nullable; the razor wraps
consumption in `@if (field is null) { <p>Lädt…</p> return; }`.
- <PlotlyChart> guarded behind a null check on config/layout/data so
Plotly.Blazor's @bind doesn't see nulls.
- Header/footer strings initialise to "" instead of null!.
Architectural hygiene on a single-user local Blazor Server app: the
observed win is one File.ReadAllBytesAsync and one
File.WriteAllBytesAsync per Load/Save, and after PR D each file is
loaded at most once per SignalR circuit.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
- Add IMPROVEMENT_PLAN.md with phased plan for follow-up work
- Consolidate DI registrations into a single AddAccounting() extension;
drop the duplicate service registrations and the PdfParsingService
self-registration
- TrySetYear: capture this.year before overwriting so rollback actually
restores the previous value
- DummyFxService: check toCurrency (was checking fromCurrency twice)
- TransactionRepository.GetTransaction: return a copy instead of mutating
the loaded entity, and guard against unknown ids
- ViewService.GetTransactionViewList(accountId): flip the sign on a copy
rather than mutating the entity returned by the repository
- FileService.GetTransactionListCsv: same treatment; use a local
signedValue instead of mutating trx.Value
- ProfitLossReport: use ClassIds.Income/Expenses instead of magic 3/4
- CLAUDE.md: correct the ClassIds documentation (1/2/3/4, not
1000/2000/3000/4000)
SettingsService lifetime is intentionally left as Singleton for now;
making it Scoped requires persisting year/mandator selection across
page reloads first (tracked in the plan).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
