alexei.dolgolyov
2a0ea7b3a6
Persist named backtest-strategy presets so a staking config (bankroll, min-score, stake rule, flat/percent/Kelly params) can be saved, listed, loaded back into the form, and deleted. The per-run date range is not part of a preset. - Domain: SavedStrategy record (name trimmed + bounded to 80 chars, Create() factory) wrapping the pure BacktestStrategy. - Persistence: SavedStrategyEntity + config (TEXT decimals, unique case-insensitive NOCASE index on Name), repository, mapping, and a hand-trimmed AddSavedStrategies migration (additive — only the new table). Case-insensitive names mean save-by-name overwrites instead of creating near-duplicates. - Application: SaveStrategyUseCase (upsert by name, keeps Id+CreatedAt) + DeleteStrategyUseCase. - UI: presets panel on the Backtest page (load/save/delete) + service methods; fraction<->percent round-trip; en/ru resx. - Fix: pin Sports.Code as ValueGeneratedNever — it is the bookmaker's natural sport id, not an autoincrement surrogate. Corrects long-standing model-snapshot drift; the snapshot is regenerated to match the DB. - 25 tests across all four layers: domain validation, real-SQLite round-trip incl. case-insensitive lookup/uniqueness, the upsert use case, and the service percent mapping.
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.