93 lines
2.1 KiB
TypeScript
93 lines
2.1 KiB
TypeScript
import { flatMap } from 'lodash'
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import { elasticSearch } from '../../helpers/elastic-search'
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import { logger } from '../../helpers/logger'
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import { IndexableDoc } from '../../types/indexable-doc.model'
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function buildIndex (name: string, mapping: object) {
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logger.info('Initialize %s Elastic Search index.', name)
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return elasticSearch.indices.create({
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index: name,
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body: {
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settings: {
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number_of_shards: 1,
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number_of_replicas: 1
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},
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mappings: {
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properties: mapping
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}
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}
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}).catch(err => {
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if (err.name === 'ResponseError' && err.meta?.body?.error.root_cause[0]?.type === 'resource_already_exists_exception') return
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throw err
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})
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}
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async function indexDocuments <T extends IndexableDoc> (options: {
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objects: T[]
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formatter: (o: T) => any
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replace: boolean
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index: string
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}) {
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const { objects, formatter, replace, index } = options
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const elIdIndex: { [elId: string]: T } = {}
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for (const object of objects) {
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elIdIndex[object.elasticSearchId] = object
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}
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const method = replace ? 'index' : 'update'
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const body = flatMap(objects, v => {
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const doc = formatter(v)
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const options = replace
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? doc
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: { doc, doc_as_upsert: true }
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return [
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{
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[method]: {
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_id: v.elasticSearchId,
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_index: index
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}
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},
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options
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]
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})
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const result = await elasticSearch.bulk({
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index,
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body
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})
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const resultBody = result.body
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if (resultBody.errors === true) {
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const msg = 'Cannot insert data in elastic search.'
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logger.error({ err: resultBody }, msg)
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throw new Error(msg)
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}
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const created: T[] = result.body.items
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.map(i => i[method])
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.filter(i => i.result === 'created')
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.map(i => elIdIndex[i._id])
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return { created }
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}
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function refreshIndex (indexName: string) {
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logger.info('Refreshing %s index.', indexName)
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return elasticSearch.indices.refresh({ index: indexName })
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}
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export {
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buildIndex,
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indexDocuments,
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refreshIndex
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}
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