v3.ts

import * as semver from 'semver';
import { XmlDocument } from 'xmldoc';
import { logger } from '../../logger';
import * as globalCache from '../../util/cache/global';
import { Http } from '../../util/http';
import { ReleaseResult } from '../common';

import { id } from './common';

const http = new Http(id);

// https://api.nuget.org/v3/index.json is a default official nuget feed
const defaultNugetFeed = 'https://api.nuget.org/v3/index.json';
const cacheNamespace = 'datasource-nuget';

export function getDefaultFeed(): string {
  return defaultNugetFeed;
}

export async function getQueryUrl(url: string): Promise<string | null> {
  // https://docs.microsoft.com/en-us/nuget/api/search-query-service-resource
  const resourceType = 'SearchQueryService';
  const cacheKey = `${url}:${resourceType}`;
  const cachedResult = await globalCache.get<string>(cacheNamespace, cacheKey);

  // istanbul ignore if
  if (cachedResult !== undefined) {
    return cachedResult;
  }

  try {
    // TODO: fix types
    const servicesIndexRaw = await http.getJson<any>(url);
    const searchQueryService = servicesIndexRaw.body.resources.find(
      (resource) =>
        resource['@type'] && resource['@type'].startsWith(resourceType)
    );
    const searchQueryServiceId = searchQueryService['@id'];

    const cacheMinutes = 60;
    await globalCache.set(
      cacheNamespace,
      cacheKey,
      searchQueryServiceId,
      cacheMinutes
    );
    return searchQueryServiceId;
  } catch (e) {
    logger.debug(
      { e },
      `nuget registry failure: can't get SearchQueryService form ${url}`
    );
    return null;
  }
}

export async function getReleases(
  registryUrl: string,
  feedUrl: string,
  pkgName: string
): Promise<ReleaseResult | null> {
  let queryUrl = `${feedUrl}?q=${pkgName}`;
  if (registryUrl.toLowerCase() === defaultNugetFeed.toLowerCase()) {
    queryUrl = queryUrl.replace('q=', 'q=PackageId:');
    queryUrl += '&semVerLevel=2.0.0&prerelease=true';
  }
  const dep: ReleaseResult = {
    pkgName,
    releases: [],
  };