swaitsandClaude Opus 5.5
105fd52694
egui/wgpu app for owners and their accountant: Overview, Cash, Profit, Transactions (with rendered receipts and journal history), Reports (statements with interval columns, comparisons, drill-down), Accounts, Documents, Company, Journal; Ctrl+K palette; back/forward; light/dark. Follows the journal live (~30 ms from write to screen). --demo opens a deterministic demo company, also used for screenshot tests. Engine: ledger-store Snapshot (read-only, incremental, tolerant of a half-written tail); ledger-core analysis (intervals, balance series, P&L by interval, cash flows); ledger-config extracted from ledger-mcp with the full company profile and cash_accounts. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MtYEaR6M6Ybdhm6X98BWNu
69 lines
2.5 KiB
Rust
69 lines
2.5 KiB
Rust
//! Live updates: a change written to the books (by the MCP server, in
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//! practice) reaches the GUI's view model on its own, without a restart,
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//! and the changed entry is marked fresh.
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use chrono::NaiveDate;
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use ledger_core::{AccountType, Currency, Money, Side};
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use ledger_gui::data::{Loader, Source, Update};
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use ledger_store::Store;
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use rust_decimal::Decimal;
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use std::time::{Duration, Instant};
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#[test]
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fn a_change_in_another_process_shows_up_live() {
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let dir = std::env::temp_dir().join(format!("ledger-gui-live-{}", std::process::id()));
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let _ = std::fs::remove_dir_all(&dir);
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let data = dir.join("books-data");
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let mut store = Store::create(&data, Currency::USD).unwrap();
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let cash = store
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.add_account("1000", "Checking", AccountType::Asset, None, false)
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.unwrap();
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let equity = store
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.add_account("3000", "Capital", AccountType::Equity, None, false)
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.unwrap();
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drop(store);
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let ctx = egui::Context::default();
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let loader = Loader::spawn(
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Source {
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data_dir: data.clone(),
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books_toml: None,
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today: NaiveDate::from_ymd_opt(2026, 10, 12),
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},
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ctx,
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);
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let first = match loader.wait(Duration::from_secs(10)) {
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Some(Update::Books(b)) => b,
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_ => panic!("no initial load"),
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};
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assert_eq!(first.kpis.cash, Decimal::ZERO);
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// The writer (the MCP server's store) posts an entry.
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let started = Instant::now();
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let mut store = Store::open(&data).unwrap();
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let d = NaiveDate::from_ymd_opt(2026, 10, 12).unwrap();
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let e = store.create_entry(d, "Owner contribution").unwrap();
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let m = Money::new(Decimal::from(2500), Currency::USD);
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store.add_line(e, cash, Side::Debit, m).unwrap();
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store.add_line(e, equity, Side::Credit, m).unwrap();
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store.post_entry(e).unwrap();
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drop(store);
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// The GUI sees it, without being asked.
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let deadline = Instant::now() + Duration::from_secs(10);
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let mut seen = None;
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while Instant::now() < deadline {
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if let Some(Update::Books(b)) = loader.wait(Duration::from_millis(200))
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&& b.kpis.cash == Decimal::from(2500)
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{
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seen = Some(b);
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break;
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}
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}
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let b = seen.expect("the posted entry never reached the GUI");
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assert!(b.fresh.contains(&e), "the new entry is highlighted as new");
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assert!(b.seq() > first.seq());
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eprintln!("live update arrived in {:?}", started.elapsed());
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let _ = std::fs::remove_dir_all(&dir);
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}
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