split Game and GameStorage

server/GameStorage.js

@@ -0,0 +1,93 @@
+import fs from 'fs'
+import GameCommon from './../common/GameCommon.js'
+import Util, { logger } from './../common/Util.js'
+import { Rng } from '../common/Rng.js'
+import { DATA_DIR } from './Dirs.js'
+import Time from '../common/Time.js'
+
+const log = logger('GameStorage.js')
+
+const DIRTY_GAMES = {}
+function setDirty(gameId) {
+  DIRTY_GAMES[gameId] = true
+}
+function setClean(gameId) {
+  delete DIRTY_GAMES[gameId]
+}
+
+function loadGames() {
+  const files = fs.readdirSync(DATA_DIR)
+  for (const f of files) {
+    const m = f.match(/^([a-z0-9]+)\.json$/)
+    if (!m) {
+      continue
+    }
+    const gameId = m[1]
+    loadGame(gameId)
+  }
+}
+
+function loadGame(gameId) {
+  const file = `${DATA_DIR}/${gameId}.json`
+  const contents = fs.readFileSync(file, 'utf-8')
+  let game
+  try {
+    game = JSON.parse(contents)
+  } catch {
+    log.log(`[ERR] unable to load game from file ${file}`);
+  }
+  if (typeof game.puzzle.data.started === 'undefined') {
+    game.puzzle.data.started = Math.round(fs.statSync(file).ctimeMs)
+  }
+  if (typeof game.puzzle.data.finished === 'undefined') {
+    let unfinished = game.puzzle.tiles.map(Util.decodeTile).find(t => t.owner !== -1)
+    game.puzzle.data.finished = unfinished ? 0 : Time.timestamp()
+  }
+  if (!Array.isArray(game.players)) {
+    game.players = Object.values(game.players)
+  }
+  const gameObject = {
+    id: game.id,
+    rng: {
+      type: game.rng ? game.rng.type : '_fake_',
+      obj: game.rng ? Rng.unserialize(game.rng.obj) : new Rng(),
+    },
+    puzzle: game.puzzle,
+    players: game.players,
+    evtInfos: {},
+    scoreMode: game.scoreMode || GameCommon.SCORE_MODE_FINAL,
+  }
+  GameCommon.setGame(gameObject.id, gameObject)
+}
+
+function persistGames() {
+  for (const gameId of Object.keys(changedGames)) {
+    persistGame(gameId)
+  }
+}
+
+function persistGame(gameId) {
+  const game = GameCommon.get(gameId)
+  if (game.id in DIRTY_GAMES) {
+    setClean(game.id)
+  }
+  fs.writeFileSync(`${DATA_DIR}/${game.id}.json`, JSON.stringify({
+    id: game.id,
+    rng: {
+      type: game.rng.type,
+      obj: Rng.serialize(game.rng.obj),
+    },
+    puzzle: game.puzzle,
+    players: game.players,
+    scoreMode: game.scoreMode,
+  }))
+  log.info(`[INFO] persisted game ${game.id}`)
+}
+
+export default {
+  loadGames,
+  loadGame,
+  persistGames,
+  persistGame,
+  setDirty,
+}