Xiaohan-Tian
83 lines
2.7 KiB
TypeScript
83 lines
2.7 KiB
TypeScript
import { KGConfigStorage } from '../io/KGConfigStorage';
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import { CONFIG_UPGRADER_CONSTANTS } from '../../constants/coreConstants';
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import { upgradeConfigToV1 } from './upgradeConfigToV1';
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import { upgradeConfigToV2 } from './upgradeConfigToV2';
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import { upgradeConfigToV3 } from './upgradeConfigToV3';
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import { upgradeConfigToV4 } from './upgradeConfigToV4';
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import { upgradeConfigToV5 } from './upgradeConfigToV5';
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/**
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* KGConfigUpgrader — Orchestrates app-level migrations (e.g., storage backend changes).
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* Mirrors the KGProjectUpgrader pattern but operates on global app state, not individual projects.
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*
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* Version is tracked via a `__config_version` key in the IndexedDB config store.
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*/
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export class KGConfigUpgrader {
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/**
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* Run all pending config upgrades sequentially.
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* Returns the number of upgrade steps that were executed.
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*/
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public static async upgradeToLatest(): Promise<number> {
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const storage = KGConfigStorage.getInstance();
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const currentVersion = await KGConfigUpgrader.getConfigVersion(storage);
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const targetVersion = CONFIG_UPGRADER_CONSTANTS.CURRENT_VERSION;
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if (currentVersion >= targetVersion) {
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console.log(`Config is up to date (version ${currentVersion})`);
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return 0;
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}
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console.log(`Config upgrade needed: v${currentVersion} -> v${targetVersion}`);
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let stepsExecuted = 0;
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for (let nextVersion = currentVersion + 1; nextVersion <= targetVersion; nextVersion++) {
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switch (nextVersion) {
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case 1: {
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await upgradeConfigToV1();
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break;
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}
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case 2: {
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await upgradeConfigToV2();
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break;
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}
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case 3: {
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await upgradeConfigToV3();
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break;
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}
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case 4: {
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await upgradeConfigToV4();
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break;
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}
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case 5: {
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await upgradeConfigToV5();
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break;
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}
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default: {
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throw new Error(`No config upgrader found for version ${nextVersion}`);
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}
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}
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// Persist the version after each successful step
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await KGConfigUpgrader.setConfigVersion(storage, nextVersion);
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stepsExecuted++;
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console.log(`Config upgraded to version ${nextVersion}`);
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}
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return stepsExecuted;
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}
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private static async getConfigVersion(storage: KGConfigStorage): Promise<number> {
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const raw = await storage.getRaw(CONFIG_UPGRADER_CONSTANTS.VERSION_KEY);
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if (!raw || typeof raw.version !== 'number') return 0;
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return raw.version;
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}
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private static async setConfigVersion(storage: KGConfigStorage, version: number): Promise<void> {
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await storage.saveRaw(CONFIG_UPGRADER_CONSTANTS.VERSION_KEY, {
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version,
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upgradedAt: Date.now(),
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});
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}
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}
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