alexei.dolgolyov 1092e2a2c5 feat(journal): edit a placed bet
Adds an edit flow to the bet journal — an Edit button per row repurposes the inline
entry form (edit mode), saving via a new UpdatePlacedBetUseCase that preserves the
original placed-at and re-grades the outcome against the result (so a changed
selection/event re-settles). A cancel affordance + an editing banner make the mode
obvious; the submit button switches to "Save changes".

- UpdatePlacedBetUseCase (loads existing for PlacedAt, validates the event, re-grades)
  + IBetJournalService.UpdateAsync + service impl; Journal page edit-mode state +
  per-row Edit button; en/ru resx.
- 3 tests: unknown-bet, unknown-event, and preserve-PlacedAt + re-grade.
2026-05-29 13:38:38 +03:00
2026-05-29 13:38:38 +03:00
2026-05-29 13:38:38 +03:00

maraphon-app

Sports betting odds analyzer for marathonbet.by.

Scrapes pre-match (/su) and live (/su/live) sports events, tracks coefficient changes over time, and detects anomalies — in particular the "odds-flip" pattern where the bookmaker freezes betting and then inverts underdog/favorite odds.

Tech stack

  • .NET 8 + C# 12
  • Blazor Hybrid — WPF shell hosting BlazorWebView (designed to migrate to ASP.NET Core Blazor Server with no UI rewrite)
  • EF Core + SQLite (WAL mode) for local storage
  • ClosedXML for Excel export
  • AngleSharp for HTML scraping (with Playwright fallback for JS-rendered pages)
  • Polly v8 for retry / circuit breaker / rate limiting
  • MudBlazor UI components, Plotly.Blazor for charts
  • Serilog structured logging
  • xUnit / FluentAssertions / NSubstitute for tests

Project layout

src/
  Marathon.Domain/         entities, value objects, no dependencies
  Marathon.Application/    use cases, abstractions (IOddsScraper, IRepository, ...)
  Marathon.Infrastructure/ EF Core, scraping, Polly, Excel, Playwright
  Marathon.UI/             Razor Class Library — all Blazor components live here
  Marathon.Hosts.WpfBlazor/ WPF + BlazorWebView host (replaceable for web)
tests/
  Marathon.*.Tests/        unit + integration tests per layer

Build & run

dotnet build Marathon.sln
dotnet test  Marathon.sln
dotnet run   --project src/Marathon.Hosts.WpfBlazor

Configuration

All variable parameters (polling intervals, concurrency, user-agents, retry policy, snapshot retention, locale) are exposed via appsettings.json and live-editable via the in-app Settings page.

Status

🟡 In active development. See plans/initial-implementation/PLAN.md for the current phase plan and progress.

License

Private — customer project.

S
Description
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