83 lines
2.4 KiB
TypeScript
83 lines
2.4 KiB
TypeScript
import { SUPPORTED_API_VERSION } from "../consts";
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import {
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AuthenticationError,
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ServerVersionMismatchError
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} from "../errors/errors";
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import type { SyncService } from "./sync-service";
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export interface ServerConfigData {
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mergeableFileExtensions: string[];
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supportedApiVersion: number;
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isAuthenticated: boolean;
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}
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export class ServerConfig {
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private config: Promise<ServerConfigData> | undefined;
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public constructor(private readonly syncService: SyncService) { }
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private static validateConfig(config: ServerConfigData): void {
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if (config.supportedApiVersion !== SUPPORTED_API_VERSION) {
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const shouldUpgradeClient =
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config.supportedApiVersion > SUPPORTED_API_VERSION;
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throw new ServerVersionMismatchError(
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`Unsupported API version: ${config.supportedApiVersion}. Consider upgrading the ${shouldUpgradeClient ? "client" : "sync-server"
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} to ensure compatibility`
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);
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}
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if (!config.isAuthenticated) {
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throw new AuthenticationError(
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"Failed to authenticate with the sync-server"
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);
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}
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}
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// warm the cache
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public async initialize(): Promise<void> {
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await this.getConfig();
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}
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public async checkConnection(): Promise<{
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isSuccessful: boolean;
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message: string;
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}> {
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try {
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const result = await this.syncService.ping();
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ServerConfig.validateConfig(result);
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return {
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isSuccessful: true,
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message: `Successfully connected to server (version: ${result.serverVersion}) and authenticated`
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};
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} catch (e) {
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return {
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isSuccessful: false,
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message: `Failed to connect to server: ${e}`
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};
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}
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}
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public async getConfig(): Promise<ServerConfigData> {
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if (!this.config) {
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const pending = this.syncService
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.ping()
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.then((config) => {
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ServerConfig.validateConfig(config);
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return config;
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})
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.catch((error: unknown) => {
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if (this.config === pending) this.config = undefined;
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throw error;
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});
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this.config = pending;
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}
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return this.config;
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}
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public reset(): void {
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this.config = undefined;
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}
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}
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