118 lines
3.3 KiB
TypeScript
118 lines
3.3 KiB
TypeScript
import { Injectable } from '@nestjs/common';
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import {
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Auction,
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AuctionsResponse,
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Domain,
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DomainSet,
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DomainsResponse,
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ParkioTld,
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ParsedAuction,
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ParsedDomain,
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} from './types';
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import axios from 'axios';
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import { filter, map, pipe } from 'ramda';
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const parkIoEndpoints = {
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domains: 'https://park.io/domains.json',
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auctions: 'https://park.io/auctions.json',
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tld: (tld: ParkioTld) => `https://park.io/domains/index/${tld}.json`,
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all: (limit: number = 10_000) =>
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`https://park.io/domains/index/all.json?limit=${limit}`,
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};
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@Injectable()
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export class ParkioService {
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fetchDomainsForTld = async (tld: ParkioTld) => {};
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fetchAllDomains = async (limit: number = 10_000): Promise<ParsedDomain[]> => {
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let response = await axios.get<DomainsResponse>(parkIoEndpoints.all(limit));
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// There may have been more than our set limit
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if (response.data.current === limit) {
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return await this.fetchAllDomains(limit + 200);
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}
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return map(this.parseDomain, response.data.domains);
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};
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fetchAuctions = async (): Promise<ParsedAuction[]> => {
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const response = await axios.get<AuctionsResponse>(
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parkIoEndpoints.auctions,
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);
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return map(this.parseAuction, response.data.auctions);
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};
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lengthFilter = (length: number) => (parsedDomain: ParsedDomain) =>
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parsedDomain.domain.length === length;
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buildExtensions = (domains: ParsedDomain[], extensions: ParkioTld[]) =>
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pipe(
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map((extension: ParkioTld) =>
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pipe(
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filter(this.tldFilter(extension)),
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filter(this.maxLengthFilter(3)),
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)(domains),
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),
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)(extensions);
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extractDomain = (domain: string): string =>
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domain.split('.').slice(0, -1).join('.');
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extractTld = (domain: string): string =>
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domain.split('.').slice(-1).join('.');
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parseDomain = (domain: Domain): ParsedDomain => {
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const domainName = this.extractDomain(domain.name);
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return {
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...domain,
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id: Number(domain.id),
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domain: domainName,
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domain_length: domainName.length,
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date_available: domain.date_available
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? this.parseDate(domain.date_available)
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: undefined,
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date_registered: domain.date_registered
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? this.parseDate(domain.date_registered)
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: undefined,
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};
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};
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parseDate = (date: string) =>
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new Date(
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Date.parse(
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date.replace(
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/(\d+)-(\d+)-(\d+)UTC(\d+:\d+:\d{0,2})\d*/,
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'$1-$3-$2T$4Z',
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),
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),
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);
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parseAuction = (auction: Auction): ParsedAuction => {
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const domain = this.extractDomain(auction.name);
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const tld = this.extractTld(auction.name);
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return {
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...auction,
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id: Number(auction.id),
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num_bids: Number(auction.num_bids),
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price: Number(auction.price),
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close_date: this.parseDate(auction.close_date),
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created: this.parseDate(auction.created),
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domain,
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domain_length: domain.length,
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tld,
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};
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};
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domainToString = (domain: ParsedDomain) =>
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`${domain.name}\t${domain.date_available}`;
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auctionToString = (auction: ParsedAuction) =>
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`${auction.name}\t$${auction.price}\t${auction.close_date}`;
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tldFilter = (tld: ParkioTld) => (domain: ParsedDomain) => domain.tld === tld;
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maxLengthFilter = (length: number) => (parsedDomain: ParsedDomain) =>
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parsedDomain.domain.length <= length;
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}
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