Function getSearchResults

middleware/api/es-search.js:33–163

({
  indexName,
  query,
  page,
  size,
  debug,
  sort,
  topics,
  includeTopics,
  usePrefixSearch,
  highlights,
})

// The true work horse that actually performs the Elasticsearch query
export async function getSearchResults({
  indexName,
  query,
  page,
  size,
  debug,
  sort,
  topics,
  includeTopics,
  usePrefixSearch,
  highlights,
}) {
  if (topics && !Array.isArray(topics)) {
    throw new Error("'topics' has to be an array")
  }
  const t0 = new Date()
  const client = getClient()
  const from = size * (page - 1)

  const matchQueries = getMatchQueries(query.trim(), {
    usePrefixSearch,
    fuzzy: {
      minLength: 3,
      maxLength: 20,
    },
  })

  const matchQuery = {
    bool: {
      should: matchQueries,
    },
  }

  const topicsFilter = (topics || []).map((topic) => {
    return {
      term: {
        // Remember, 'topics' is a keyword field, meaning you need
        // to filter by "Webhooks", not "webhooks"
        topics: topic,
      },
    }
  })
  if (topicsFilter.length) {
    matchQuery.bool.filter = topicsFilter
  }

  const highlightFields = highlights || DEFAULT_HIGHLIGHT_FIELDS
  const highlight = getHighlightConfiguration(query, highlightFields)

  const searchQuery = {
    highlight,
    from,
    size,

    // COMMENTED out because of ES 7.11.
    // Once we're on ES >7.11  we can add this option in.
    // // Since we know exactly which fields from the source we're going
    // // need we can specify that here. It's an inclusion list.