Files
miti99bot/docs/codebase-summary.md
T
tiennm99 a2f67a7758 fix: project-wide review — trading safety, loldle drift guard, doc refresh
Code fixes:
- trading/handlers + stats-handler: guard ctx.from?.id to prevent
  cross-user state corruption when channel posts or inline queries lack
  a sender
- trading/prices + trading/symbols: encodeURIComponent on ticker before
  interpolating into TCBS API URLs
- trading/stats-handler: parallelize per-stock price fetches with
  Promise.allSettled so N-stock portfolios don't stack serial latency
- loldle/handlers: guard target champion lookup against champions.json
  refresh drift — start a fresh round or fall back to the stored id
- wordle + loldle: explicitly initialize giveup:false in startFreshGame
  for stable state shape
- wordle/lookup: fix stale JSDoc that claimed null return
- biome: ignore auto-generated champions.json / champions-data.js /
  words-data.js
- Apply formatter to src/index.js, loldle/handlers.js imports, and
  loldle/compare.test.js (previously red)

Docs refresh:
- README: 105+ tests -> 200+; wordle/loldle described as real modules
- architecture: module tree updated, test count 105 -> 200, runtime
  ~500ms -> ~2s, stub list narrowed to misc only
- codebase-summary: module table rewritten (wordle/loldle now Complete
  with real command lists and KV schema); test coverage table updated
- loldle/README: full rewrite matching the current implementation
  (was describing the original stub)
- New docs/development-roadmap.md tracking upcoming features
  (daily-mode for wordle + loldle, crypto/gold/forex trading, shared
  picker util, handler-level tests, coverage reporting, staging env)

Tests: 200/200 passing. Lint: clean.
2026-04-20 22:08:58 +07:00

84 lines
3.6 KiB
Markdown

# Codebase Summary
## Overview
Telegram bot on Cloudflare Workers with a plug-n-play module system. grammY handles Telegram API; modules register commands with three visibility levels. Data stored in Cloudflare KV behind a prefixed `KVStore` interface.
## Tech Stack
| Layer | Technology |
|-------|-----------|
| Runtime | Cloudflare Workers (V8 isolates) |
| Bot framework | grammY 1.x |
| Storage | Cloudflare KV |
| Linter/Formatter | Biome |
| Tests | Vitest |
| Deploy | Wrangler CLI |
## Active Modules
| Module | Status | Commands | Storage | Crons | Description |
|--------|--------|----------|---------|-------|-------------|
| `util` | Complete | `/info`, `/help` | — | — | Bot info and command help renderer |
| `trading` | Complete | `/trade_topup`, `/trade_buy`, `/trade_sell`, `/trade_convert`, `/trade_stats`, `/history` | D1 (trades) + KV (portfolio, symbol cache) | Daily 5PM trim | Paper trading — VN stocks with dynamic symbol resolution. Crypto/gold/forex coming soon. |
| `wordle` | Complete | `/wordle`, `/wordle_new`, `/wordle_giveup`, `/wordle_stats` | KV (game, stats) | — | Classic 5-letter word game. 14,855-word dict sourced from [dracos's gist](https://gist.github.com/dracos/dd0668f281e685bad51479e5acaadb93). |
| `loldle` | Complete | `/loldle`, `/loldle_new`, `/loldle_giveup`, `/loldle_stats` | KV (game, stats) | — | Classic-mode LoL champion guesser. Champion data synced from `tiennm99/loldle-data`. |
| `misc` | Stub | `/ping`, `/mstats`, `/fortytwo` | KV | — | Health check + DB demo |
## Key Data Flows
### Command Processing
```
Telegram update → POST /webhook → grammY secret validation
→ getBot(env) → dispatcher routes /cmd → module handler
→ handler reads/writes KV via db.getJSON/putJSON (or D1 via sql.all/run)
→ ctx.reply() → response to Telegram
```
### Scheduled Job (Cron)
```
Cloudflare timer fires (e.g., "0 17 * * *")
→ scheduled(event, env, ctx) handler
→ getRegistry(env) → load + init modules
→ dispatchScheduled(event, env, ctx, registry)
→ filter matching crons by event.cron
→ for each: handler reads/writes D1 via sql.all/run (or KV via db)
→ ctx.waitUntil(promise) keeps handler alive
```
### Deploy Pipeline
```
npm run deploy
→ wrangler deploy (upload to CF, set env vars and bindings)
→ npm run db:migrate (apply any new migrations to D1)
→ scripts/register.js → buildRegistry with stub KV
→ POST setWebhook + POST setMyCommands to Telegram API
```
## External Dependencies
| Dependency | Purpose | Version |
|-----------|---------|---------|
| `grammy` | Telegram Bot API framework | ^1.30.0 |
| `@biomejs/biome` | Linting + formatting (dev) | ^1.9.0 |
| `vitest` | Test runner (dev) | ^2.1.0 |
| `wrangler` | Cloudflare Workers CLI (dev) | ^3.90.0 |
## Module Documentation
Each module maintains its own `README.md` with commands, data model, and implementation details. See `src/modules/<name>/README.md`.
## Test Coverage
200 tests across 21 test files (run via `npm test` — ~2s):
| Area | Tests | What's Covered |
|------|-------|---------------|
| DB layer (KV) | 19 | KV store, prefixing, JSON helpers, pagination |
| DB layer (D1) | — | Fake D1 in-memory implementation (fake-d1.js) backs trading tests |
| Module framework | 33 | Registry, dispatcher, validators, help renderer, cron validation |
| Utilities | 4 | HTML escaping |
| Trading module | 79 | Symbol resolution, formatters, flat portfolio CRUD, command handlers, history/retention |
| Loldle module | 18 | Classic-mode champion comparison, champion lookup, daily picker |
| Wordle module | 13 | Duplicate-letter two-pass comparison, guess validation |