604 lines
11 KiB
TypeScript
604 lines
11 KiB
TypeScript
import { difference } from 'lodash'
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import { buildIndex, buildSort, elasticSearch, extractQueryResult, indexDocuments } from '../helpers/elastic-search'
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import { logger } from '../helpers/logger'
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import { buildUrl } from '../helpers/utils'
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import { CONFIG } from '../initializers/constants'
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import { VideosSearchQuery } from '../types/video-search.model'
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import { DBVideo, DBVideoDetails, EnhancedVideo, IndexableVideo, IndexableVideoDetails } from '../types/video.model'
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import { buildAvatarMapping, formatAvatarForAPI, formatAvatarForDB } from './elastic-search-avatar'
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function initVideosIndex () {
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return buildIndex(CONFIG.ELASTIC_SEARCH.INDEXES.VIDEOS, buildVideosMapping())
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}
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async function indexVideos (videos: IndexableVideo[], replace = false) {
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return indexDocuments({
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objects: videos,
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formatter: v => formatVideoForDB(v),
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replace,
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index: CONFIG.ELASTIC_SEARCH.INDEXES.VIDEOS
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})
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}
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function refreshVideosIndex () {
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return elasticSearch.indices.refresh({ index: CONFIG.ELASTIC_SEARCH.INDEXES.VIDEOS })
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}
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function removeVideosFromHosts (hosts: string[]) {
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if (hosts.length === 0) return
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logger.info({ hosts }, 'Will remove videos from hosts.')
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return elasticSearch.delete_by_query({
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index: CONFIG.ELASTIC_SEARCH.INDEXES.VIDEOS,
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body: {
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query: {
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bool: {
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filter: {
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terms: {
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host: hosts
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}
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}
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}
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}
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}
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})
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}
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async function removeNotExistingVideos (host: string, existingVideos: Set<number>) {
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const idsFromDB = await getVideoIdsOf(host)
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const idsToRemove = difference(idsFromDB, Array.from(existingVideos))
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logger.info({ idsToRemove }, 'Will remove %d videos from %s.', idsToRemove.length, host)
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return elasticSearch.delete_by_query({
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index: CONFIG.ELASTIC_SEARCH.INDEXES.VIDEOS,
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body: {
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query: {
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bool: {
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filter: [
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{
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terms: {
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id: idsToRemove
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}
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},
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{
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term: {
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host
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}
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}
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]
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}
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}
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}
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})
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}
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async function getVideoIdsOf (host: string) {
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const res = await elasticSearch.search({
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index: CONFIG.ELASTIC_SEARCH.INDEXES.VIDEOS,
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body: {
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size: 0,
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aggs: {
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ids: {
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terms: {
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size: 500000,
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field: 'id'
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}
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}
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},
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query: {
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bool: {
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filter: [
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{
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term: {
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host
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}
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}
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]
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}
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}
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}
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})
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return res.body.aggregations.ids.buckets.map(b => b.key)
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}
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async function queryVideos (search: VideosSearchQuery) {
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const bool: any = {}
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const filter: any[] = []
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const mustNot: any[] = []
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if (search.search) {
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Object.assign(bool, {
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must: [
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{
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multi_match: {
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query: search.search,
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fields: [ 'name^5', 'description', 'tags^3' ],
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fuzziness: 'AUTO'
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}
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}
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]
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})
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}
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if (search.blockedAccounts) {
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mustNot.push({
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terms: {
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'account.handle': search.blockedAccounts
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}
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})
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}
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if (search.blockedHosts) {
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mustNot.push({
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terms: {
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host: search.blockedHosts
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}
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})
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}
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if (search.startDate) {
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filter.push({
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range: {
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publishedAt: {
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gte: search.startDate
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}
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}
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})
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}
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if (search.endDate) {
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filter.push({
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range: {
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publishedAt: {
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lte: search.endDate
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}
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}
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})
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}
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if (search.originallyPublishedStartDate) {
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filter.push({
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range: {
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originallyPublishedAt: {
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gte: search.startDate
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}
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}
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})
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}
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if (search.originallyPublishedEndDate) {
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filter.push({
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range: {
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originallyPublishedAt: {
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lte: search.endDate
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}
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}
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})
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}
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if (search.nsfw && search.nsfw !== 'both') {
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filter.push({
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term: {
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nsfw: (search.nsfw + '') === 'true'
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}
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})
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}
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if (search.categoryOneOf) {
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filter.push({
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terms: {
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'category.id': search.categoryOneOf
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}
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})
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}
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if (search.licenceOneOf) {
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filter.push({
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terms: {
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'licence.id': search.licenceOneOf
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}
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})
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}
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if (search.languageOneOf) {
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filter.push({
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terms: {
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'language.id': search.languageOneOf
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}
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})
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}
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if (search.tagsOneOf) {
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filter.push({
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terms: {
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tags: search.tagsOneOf
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}
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})
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}
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if (search.tagsAllOf) {
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for (const t of search.tagsAllOf) {
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filter.push({
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term: {
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tags: t
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}
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})
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}
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}
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if (search.durationMin) {
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filter.push({
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range: {
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duration: {
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gte: search.durationMin
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}
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}
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})
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}
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if (search.durationMax) {
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filter.push({
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range: {
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duration: {
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lte: search.durationMax
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}
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}
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})
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}
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Object.assign(bool, { filter })
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if (mustNot.length !== 0) {
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Object.assign(bool, { must_not: mustNot })
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}
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const body = {
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from: search.start,
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size: search.count,
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sort: buildSort(search.sort),
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query: { bool }
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}
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logger.debug({ body }, 'Will query Elastic Search for videos.')
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const res = await elasticSearch.search({
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index: CONFIG.ELASTIC_SEARCH.INDEXES.VIDEOS,
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body
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})
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return extractQueryResult(res)
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}
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export {
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indexVideos,
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removeNotExistingVideos,
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queryVideos,
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refreshVideosIndex,
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removeVideosFromHosts,
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initVideosIndex,
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formatVideoForAPI
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}
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// ############################################################################
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function formatVideoForDB (v: IndexableVideo | IndexableVideoDetails): DBVideo | DBVideoDetails {
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return {
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id: v.id,
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uuid: v.uuid,
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indexedAt: new Date(),
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createdAt: v.createdAt,
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updatedAt: v.updatedAt,
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publishedAt: v.publishedAt,
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originallyPublishedAt: v.originallyPublishedAt,
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category: {
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id: v.category.id,
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label: v.category.label
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},
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licence: {
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id: v.licence.id,
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label: v.licence.label
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},
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language: {
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id: v.language.id,
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label: v.language.label
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},
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privacy: {
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id: v.privacy.id,
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label: v.privacy.label
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},
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name: v.name,
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description: v.description,
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duration: v.duration,
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thumbnailPath: v.thumbnailPath,
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previewPath: v.previewPath,
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embedPath: v.embedPath,
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views: v.views,
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likes: v.likes,
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dislikes: v.dislikes,
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nsfw: v.nsfw,
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host: v.host,
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url: v.url,
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tags: (v as IndexableVideoDetails).tags ? (v as IndexableVideoDetails).tags : undefined,
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account: {
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id: v.account.id,
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name: v.account.name,
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displayName: v.account.displayName,
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url: v.account.url,
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host: v.account.host,
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handle: `${v.account.name}@${v.account.host}`,
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avatar: formatAvatarForDB(v.account)
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},
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channel: {
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id: v.channel.id,
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name: v.channel.name,
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displayName: v.channel.displayName,
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url: v.channel.url,
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host: v.channel.host,
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handle: `${v.channel.name}@${v.channel.host}`,
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avatar: formatAvatarForDB(v.channel)
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}
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}
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}
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function formatVideoForAPI (v: DBVideoDetails, fromHost?: string): EnhancedVideo {
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return {
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id: v.id,
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uuid: v.uuid,
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score: v.score,
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createdAt: new Date(v.createdAt),
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updatedAt: new Date(v.updatedAt),
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publishedAt: new Date(v.publishedAt),
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originallyPublishedAt: v.originallyPublishedAt,
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category: {
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id: v.category.id,
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label: v.category.label
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},
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licence: {
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id: v.licence.id,
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label: v.licence.label
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},
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language: {
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id: v.language.id,
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label: v.language.label
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},
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privacy: {
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id: v.privacy.id,
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label: v.privacy.label
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},
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name: v.name,
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description: v.description,
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duration: v.duration,
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tags: v.tags,
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thumbnailPath: v.thumbnailPath,
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thumbnailUrl: buildUrl(v.host, v.thumbnailPath),
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previewPath: v.previewPath,
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previewUrl: buildUrl(v.host, v.previewPath),
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embedPath: v.embedPath,
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embedUrl: buildUrl(v.host, v.embedPath),
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url: v.url,
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isLocal: fromHost && fromHost === v.host,
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views: v.views,
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likes: v.likes,
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dislikes: v.dislikes,
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nsfw: v.nsfw,
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account: {
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id: v.account.id,
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name: v.account.name,
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displayName: v.account.displayName,
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url: v.account.url,
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host: v.account.host,
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avatar: formatAvatarForAPI(v.account)
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},
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channel: {
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id: v.channel.id,
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name: v.channel.name,
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displayName: v.channel.displayName,
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url: v.channel.url,
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host: v.channel.host,
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avatar: formatAvatarForAPI(v.channel)
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}
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}
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}
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function buildChannelOrAccountMapping () {
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return {
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id: {
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type: 'long'
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},
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name: {
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type: 'text',
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fields: {
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raw: {
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type: 'keyword'
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}
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}
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},
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displayName: {
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type: 'text'
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},
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url: {
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type: 'keyword'
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},
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host: {
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type: 'keyword'
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},
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handle: {
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type: 'keyword'
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},
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avatar: {
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properties: buildAvatarMapping()
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}
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}
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}
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function buildVideosMapping () {
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return {
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id: {
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type: 'long'
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},
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uuid: {
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type: 'keyword'
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},
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createdAt: {
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type: 'date',
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format: 'date_optional_time'
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},
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updatedAt: {
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type: 'date',
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format: 'date_optional_time'
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},
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publishedAt: {
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type: 'date',
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format: 'date_optional_time'
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},
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originallyPublishedAt: {
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type: 'date',
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format: 'date_optional_time'
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},
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indexedAt: {
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type: 'date',
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format: 'date_optional_time'
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},
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category: {
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properties: {
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id: {
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type: 'keyword'
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},
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label: {
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type: 'text'
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}
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}
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},
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licence: {
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properties: {
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id: {
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type: 'keyword'
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},
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label: {
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type: 'text'
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}
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}
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},
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language: {
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properties: {
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id: {
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type: 'keyword'
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},
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label: {
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type: 'text'
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}
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}
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},
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privacy: {
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properties: {
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id: {
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type: 'keyword'
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},
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label: {
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type: 'text'
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}
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}
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},
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name: {
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type: 'text'
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},
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description: {
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type: 'text'
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},
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tags: {
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type: 'text',
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fields: {
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raw: {
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type: 'keyword'
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}
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}
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},
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duration: {
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type: 'long'
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},
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thumbnailPath: {
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type: 'keyword'
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},
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previewPath: {
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type: 'keyword'
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},
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embedPath: {
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type: 'keyword'
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},
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url: {
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type: 'keyword'
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},
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views: {
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type: 'long'
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},
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likes: {
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type: 'long'
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},
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dislikes: {
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type: 'long'
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},
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nsfw: {
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type: 'boolean'
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},
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host: {
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type: 'keyword'
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},
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account: {
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properties: buildChannelOrAccountMapping()
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},
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channel: {
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properties: buildChannelOrAccountMapping()
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}
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}
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}
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