Relegate caching and env variables to the frontend
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DrMint
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18781e701c
commit
dcba1b889d
148
src/sdk.ts
148
src/sdk.ts
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@ -8,97 +8,8 @@ import {
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} from "./constants";
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import { Currency, Language } from "./types/collections";
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class NodeCache {
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constructor(_params: any) {}
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getTtl(_key: string): number | undefined {
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return undefined;
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}
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get<T>(_key: string): T | undefined {
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return undefined;
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}
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set<T>(_key: string, _value: T, _ttl: number | string) {}
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}
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// END MOCKING SECTION
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const REFRESH_FREQUENCY_IN_SEC = 60;
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const CACHE = new NodeCache({
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checkperiod: REFRESH_FREQUENCY_IN_SEC,
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deleteOnExpire: true,
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forceString: true,
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maxKeys: 1,
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});
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const TOKEN_KEY = "token";
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type PayloadLoginResponse = {
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token: string;
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exp: number;
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};
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const refreshToken = async () => {
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const loginUrl = payloadApiUrl(Collections.Recorders, "login");
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const loginResult = await fetch(loginUrl, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({
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email: process.env.PAYLOAD_USER,
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password: process.env.PAYLOAD_PASSWORD,
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}),
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});
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logResponse(loginResult);
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if (loginResult.status !== 200) {
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throw new Error("Unable to login");
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}
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const loginJson = (await loginResult.json()) as PayloadLoginResponse;
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const { token, exp } = loginJson;
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const now = Math.floor(Date.now() / 1000);
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const ttl = Math.floor(exp - now - REFRESH_FREQUENCY_IN_SEC * 2);
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const ttlInMinutes = Math.floor(ttl / 60);
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console.log("Token was refreshed. TTL is", ttlInMinutes, "minutes.");
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CACHE.set(TOKEN_KEY, token, ttl);
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return token;
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};
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const getToken = async (): Promise<string> => {
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const cachedToken = CACHE.get<string>(TOKEN_KEY);
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if (cachedToken !== undefined) {
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const cachedTokenTtl = CACHE.getTtl(TOKEN_KEY) as number;
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const diffInMinutes = Math.floor((cachedTokenTtl - Date.now()) / 1000 / 60);
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console.log("Retrieved token from cache. TTL is", diffInMinutes, "minutes.");
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return cachedToken;
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}
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console.log("Refreshing token");
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return await refreshToken();
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};
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const injectAuth = async (init?: RequestInit): Promise<RequestInit> => ({
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...init,
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headers: {
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...init?.headers,
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Authorization: `JWT ${await getToken()}`,
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},
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});
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const logResponse = (res: Response) => console.log(res.status, res.statusText, res.url);
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const payloadApiUrl = (collection: Collections, endpoint?: string, isGlobal?: boolean): string =>
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`${process.env.PAYLOAD_API_URL}/${isGlobal === undefined ? "" : "globals/"}${collection}${endpoint === undefined ? "" : `/${endpoint}`}`;
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const request = async (url: string, init?: RequestInit): Promise<Response> => {
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const result = await fetch(url, await injectAuth(init));
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logResponse(result);
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if (result.status !== 200) {
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throw new Error("Unhandled fetch error");
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}
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return result;
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};
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// SDK and Types
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export type EndpointFolder = {
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slug: string;
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icon?: string;
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@ -537,7 +448,63 @@ export type PayloadImage = PayloadMedia & {
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height: number;
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};
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export const payload = {
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// SDK
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type GetPayloadSDKParams = {
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apiURL: string;
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email: string;
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password: string;
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cache: Cache;
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};
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type Cache = {
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set: (token: string, expirationTimestamp: number) => void;
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get: () => string | undefined;
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};
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const logResponse = (res: Response) => console.log(res.status, res.statusText, res.url);
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export const getPayloadSDK = ({ apiURL, email, password, cache }: GetPayloadSDKParams) => {
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const refreshToken = async () => {
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const loginUrl = payloadApiUrl(Collections.Recorders, "login");
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const loginResult = await fetch(loginUrl, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ email, password }),
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});
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logResponse(loginResult);
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if (loginResult.status !== 200) {
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throw new Error("Unable to login");
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}
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const { token, exp } = (await loginResult.json()) as {
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token: string;
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exp: number;
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};
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cache.set(token, exp);
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return token;
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};
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const payloadApiUrl = (collection: Collections, endpoint?: string, isGlobal?: boolean): string =>
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`${apiURL}/${isGlobal === undefined ? "" : "globals/"}${collection}${endpoint === undefined ? "" : `/${endpoint}`}`;
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const request = async (url: string): Promise<Response> => {
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const result = await fetch(url, {
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headers: {
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Authorization: `JWT ${cache.get() ?? (await refreshToken())}`,
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},
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});
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logResponse(result);
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if (result.status !== 200) {
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throw new Error("Unhandled fetch error");
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}
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return result;
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};
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return {
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getConfig: async (): Promise<EndpointWebsiteConfig> =>
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await (await request(payloadApiUrl(Collections.WebsiteConfig, `config`, true))).json(),
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getFolder: async (slug: string): Promise<EndpointFolder> =>
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@ -583,3 +550,4 @@ export const payload = {
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getRecorderByID: async (id: string): Promise<EndpointRecorder> =>
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await (await request(payloadApiUrl(Collections.Recorders, `id/${id}`))).json(),
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};
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};
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@ -79,7 +79,6 @@ const start = async () => {
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result.push(removeMockingSection(readFileSync(path.join(__dirname, "constants.ts"), "utf-8")));
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result.push("////////////////// SDK //////////////////");
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result.push(`import NodeCache from "node-cache";`);
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result.push(removeMockingSection(readFileSync(path.join(__dirname, "sdk.ts"), "utf-8")));
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res.type("text/plain");
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