177 lines
5 KiB
TypeScript
177 lines
5 KiB
TypeScript
import LRU from "lru-cache";
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import { UpListing, UpObject } from ".";
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import type {
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Address,
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AttributeListingResult,
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EntityListing,
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IJob,
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IValue,
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ListingResult,
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PutInput,
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PutResult,
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StoreInfo,
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VaultInfo,
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} from "./types";
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export class UpEndApi {
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private instanceUrl = "";
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private queryOnceLRU = new LRU<string, UpListing>({ max: 128 });
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private inFlightRequests: { [key: string]: Promise<UpListing> | null } = {};
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constructor(instanceUrl = "") {
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this.setInstanceUrl(instanceUrl);
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}
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public setInstanceUrl(apiUrl: string) {
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this.instanceUrl = apiUrl.replace(/\/+$/g, "");
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}
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private get apiUrl() {
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return this.instanceUrl + "/api";
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}
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public async fetchEntity(address: string): Promise<UpObject> {
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const entityFetch = await fetch(`${this.apiUrl}/obj/${address}`);
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const entityResult = (await entityFetch.json()) as EntityListing;
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const entityListing = new UpListing(entityResult.entries);
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return entityListing.getObject(address);
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}
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public async fetchEntry(address: string) {
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const response = await fetch(`${this.apiUrl}/raw/${address}`);
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const data = await response.json();
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const listing = new UpListing({ address: data });
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return listing.entries[0];
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}
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public async query(query: string): Promise<UpListing> {
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const cacheResult = this.queryOnceLRU.get(query);
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if (!cacheResult) {
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if (!this.inFlightRequests[query]) {
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console.debug(`Querying: ${query}`);
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this.inFlightRequests[query] = new Promise((resolve, reject) => {
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fetch(`${this.apiUrl}/query`, {
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method: "POST",
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body: query,
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keepalive: true,
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})
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.then(async (response) => {
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resolve(new UpListing(await response.json()));
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this.inFlightRequests[query] = null;
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})
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.catch((err) => reject(err));
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});
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} else {
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console.debug(`Chaining request for ${query}...`);
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}
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return await (this.inFlightRequests[query] as Promise<UpListing>); // TODO?
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} else {
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console.debug(`Returning cached: ${query}`);
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return cacheResult;
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}
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}
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public async putEntry(input: PutInput): Promise<PutResult> {
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const response = await fetch(`${this.apiUrl}/obj`, {
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method: "PUT",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(input),
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});
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return await response.json();
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}
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public async putEntityAttribute(
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entity: Address,
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attribute: string,
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value: IValue
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): Promise<Address> {
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const response = await fetch(`${this.apiUrl}/obj/${entity}/${attribute}`, {
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method: "PUT",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(value),
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});
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return await response.json();
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}
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public async uploadFile(file: File): Promise<PutResult> {
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const formData = new FormData();
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formData.append("file", file);
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const response = await fetch(`${this.apiUrl}/blob`, {
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method: "PUT",
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body: formData,
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});
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if (!response.ok) {
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throw Error(await response.text());
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}
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return await response.json();
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}
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public async deleteEntry(address: Address): Promise<void> {
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await fetch(`${this.apiUrl}/obj/${address}`, { method: "DELETE" });
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}
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public async getRaw(address: Address, preview = false) {
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return await fetch(
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`${this.apiUrl}/${preview ? "thumb" : "raw"}/${address}`
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);
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}
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public async refreshVault() {
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return await fetch(`${this.apiUrl}/refresh`, { method: "POST" });
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}
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public async nativeOpen(address: Address) {
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return fetch(`${this.apiUrl}/raw/${address}?native=1`);
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}
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public async fetchRoots(): Promise<ListingResult> {
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const response = await fetch(`${this.apiUrl}/hier_roots`);
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return await response.json();
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}
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public async fetchJobs(): Promise<IJob[]> {
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const response = await fetch(`${this.apiUrl}/jobs`);
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return await response.json();
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}
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public async fetchAllAttributes(): Promise<AttributeListingResult> {
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const response = await fetch(`${this.apiUrl}/all/attributes`);
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return await response.json();
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}
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public async fetchInfo(): Promise<VaultInfo> {
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const response = await fetch(`${this.apiUrl}/info`);
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return await response.json();
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}
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public async fetchStoreInfo(): Promise<{ [key: string]: StoreInfo }> {
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const response = await fetch(`${this.apiUrl}/store`);
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return await response.json();
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}
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public async getAddress(
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input: { attribute: string } | { url: string } | { urlContent: string }
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): Promise<string> {
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let response;
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if ("attribute" in input) {
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response = await fetch(
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`${this.apiUrl}/address?attribute=${input.attribute}`
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);
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} else if ("url" in input) {
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response = await fetch(`${this.apiUrl}/address?url=${input.url}`);
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} else if ("urlContent" in input) {
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response = await fetch(
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`${this.apiUrl}/address?url_content=${input.urlContent}`
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);
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} else {
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throw new Error("Input cannot be empty.");
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}
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return await response.json();
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}
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}
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