2019-06-19 08:55:58 -04:00
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import { Model, Sequelize } from 'sequelize-typescript'
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2019-02-26 04:55:40 -05:00
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import * as validator from 'validator'
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2019-04-18 05:28:17 -04:00
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import { Col } from 'sequelize/types/lib/utils'
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2019-11-15 09:06:03 -05:00
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import { literal, OrderItem } from 'sequelize'
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2018-07-19 10:17:54 -04:00
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2019-09-04 10:23:37 -04:00
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type SortType = { sortModel: string, sortValue: string }
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2018-08-31 11:18:13 -04:00
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// Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ]
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2019-04-18 05:28:17 -04:00
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function getSort (value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
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const { direction, field } = buildDirectionAndField(value)
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let finalField: string | Col
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if (field.toLowerCase() === 'match') { // Search
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finalField = Sequelize.col('similarity')
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2019-07-25 05:15:03 -04:00
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} else if (field === 'videoQuotaUsed') { // Users list
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finalField = Sequelize.col('videoQuotaUsed')
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} else {
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finalField = field
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2018-08-31 11:32:35 -04:00
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}
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2016-08-16 16:31:45 -04:00
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2019-04-18 05:28:17 -04:00
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return [ [ finalField, direction ], lastSort ]
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}
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2019-04-18 05:28:17 -04:00
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function getVideoSort (value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
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const { direction, field } = buildDirectionAndField(value)
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2019-04-18 05:28:17 -04:00
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if (field.toLowerCase() === 'trending') { // Sort by aggregation
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return [
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[ Sequelize.fn('COALESCE', Sequelize.fn('SUM', Sequelize.col('VideoViews.views')), '0'), direction ],
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[ Sequelize.col('VideoModel.views'), direction ],
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lastSort
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]
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}
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2019-04-18 05:28:17 -04:00
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let finalField: string | Col
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// Alias
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if (field.toLowerCase() === 'match') { // Search
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finalField = Sequelize.col('similarity')
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} else {
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finalField = field
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}
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const firstSort = typeof finalField === 'string'
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? finalField.split('.').concat([ direction ]) as any // FIXME: sequelize typings
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: [ finalField, direction ]
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return [ firstSort, lastSort ]
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}
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2019-09-04 10:23:37 -04:00
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function getBlacklistSort (model: any, value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
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const [ firstSort ] = getSort(value)
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2017-09-22 03:13:43 -04:00
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2019-09-04 10:23:37 -04:00
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if (model) return [ [ literal(`"${model}.${firstSort[ 0 ]}" ${firstSort[ 1 ]}`) ], lastSort ] as any[] // FIXME: typings
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2018-02-19 03:41:03 -05:00
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return [ firstSort, lastSort ]
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}
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2019-11-29 05:16:43 -05:00
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function getFollowsSort (value: string, lastSort: OrderItem = [ 'id', 'ASC' ]): OrderItem[] {
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const { direction, field } = buildDirectionAndField(value)
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if (field === 'redundancyAllowed') {
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return [
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[ 'ActorFollowing', 'Server', 'redundancyAllowed', direction ],
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lastSort
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]
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}
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return getSort(value, lastSort)
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}
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2019-03-19 09:13:53 -04:00
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function isOutdated (model: { createdAt: Date, updatedAt: Date }, refreshInterval: number) {
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const now = Date.now()
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const createdAtTime = model.createdAt.getTime()
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const updatedAtTime = model.updatedAt.getTime()
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return (now - createdAtTime) > refreshInterval && (now - updatedAtTime) > refreshInterval
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}
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function throwIfNotValid (value: any, validator: (value: any) => boolean, fieldName = 'value', nullable = false) {
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if (nullable && (value === null || value === undefined)) return
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if (validator(value) === false) {
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throw new Error(`"${value}" is not a valid ${fieldName}.`)
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}
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}
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2018-07-19 10:17:54 -04:00
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function buildTrigramSearchIndex (indexName: string, attribute: string) {
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return {
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name: indexName,
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fields: [ Sequelize.literal('lower(immutable_unaccent(' + attribute + '))') as any ],
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using: 'gin',
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operator: 'gin_trgm_ops'
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}
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}
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function createSimilarityAttribute (col: string, value: string) {
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return Sequelize.fn(
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'similarity',
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searchTrigramNormalizeCol(col),
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searchTrigramNormalizeValue(value)
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)
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}
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2018-10-12 09:26:04 -04:00
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function buildBlockedAccountSQL (serverAccountId: number, userAccountId?: number) {
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const blockerIds = [ serverAccountId ]
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if (userAccountId) blockerIds.push(userAccountId)
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const blockerIdsString = blockerIds.join(', ')
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return 'SELECT "targetAccountId" AS "id" FROM "accountBlocklist" WHERE "accountId" IN (' + blockerIdsString + ')' +
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' UNION ALL ' +
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'SELECT "account"."id" AS "id" FROM account INNER JOIN "actor" ON account."actorId" = actor.id ' +
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'INNER JOIN "serverBlocklist" ON "actor"."serverId" = "serverBlocklist"."targetServerId" ' +
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'WHERE "serverBlocklist"."accountId" IN (' + blockerIdsString + ')'
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}
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function buildServerIdsFollowedBy (actorId: any) {
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const actorIdNumber = parseInt(actorId + '', 10)
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return '(' +
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'SELECT "actor"."serverId" FROM "actorFollow" ' +
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'INNER JOIN "actor" ON actor.id = "actorFollow"."targetActorId" ' +
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'WHERE "actorFollow"."actorId" = ' + actorIdNumber +
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')'
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}
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2019-02-26 04:55:40 -05:00
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function buildWhereIdOrUUID (id: number | string) {
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return validator.isInt('' + id) ? { id } : { uuid: id }
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}
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2019-04-23 03:50:57 -04:00
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function parseAggregateResult (result: any) {
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if (!result) return 0
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const total = parseInt(result + '', 10)
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if (isNaN(total)) return 0
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return total
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}
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2019-08-06 11:19:53 -04:00
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const createSafeIn = (model: typeof Model, stringArr: (string | number)[]) => {
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return stringArr.map(t => model.sequelize.escape('' + t))
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.join(', ')
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}
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2019-08-06 11:19:53 -04:00
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function buildLocalAccountIdsIn () {
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return literal(
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'(SELECT "account"."id" FROM "account" INNER JOIN "actor" ON "actor"."id" = "account"."actorId" AND "actor"."serverId" IS NULL)'
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)
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}
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function buildLocalActorIdsIn () {
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return literal(
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'(SELECT "actor"."id" FROM "actor" WHERE "actor"."serverId" IS NULL)'
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)
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}
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2016-08-16 16:31:45 -04:00
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// ---------------------------------------------------------------------------
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2017-05-15 16:22:03 -04:00
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export {
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buildBlockedAccountSQL,
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buildLocalActorIdsIn,
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2018-08-14 09:28:30 -04:00
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SortType,
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2019-08-06 11:19:53 -04:00
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buildLocalAccountIdsIn,
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2017-09-22 03:13:43 -04:00
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getSort,
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2018-08-31 11:18:13 -04:00
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getVideoSort,
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2019-09-04 10:23:37 -04:00
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getBlacklistSort,
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2018-07-19 10:17:54 -04:00
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createSimilarityAttribute,
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throwIfNotValid,
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2019-02-26 04:55:40 -05:00
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buildServerIdsFollowedBy,
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buildTrigramSearchIndex,
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2019-03-19 09:13:53 -04:00
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buildWhereIdOrUUID,
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2019-04-23 03:50:57 -04:00
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isOutdated,
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2019-06-19 08:55:58 -04:00
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parseAggregateResult,
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2019-11-29 05:16:43 -05:00
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getFollowsSort,
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2019-06-19 08:55:58 -04:00
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createSafeIn
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}
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// ---------------------------------------------------------------------------
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function searchTrigramNormalizeValue (value: string) {
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return Sequelize.fn('lower', Sequelize.fn('immutable_unaccent', value))
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2018-07-19 10:17:54 -04:00
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}
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function searchTrigramNormalizeCol (col: string) {
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return Sequelize.fn('lower', Sequelize.fn('immutable_unaccent', Sequelize.col(col)))
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2017-05-15 16:22:03 -04:00
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}
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2018-08-31 11:18:13 -04:00
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function buildDirectionAndField (value: string) {
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let field: string
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let direction: 'ASC' | 'DESC'
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if (value.substring(0, 1) === '-') {
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direction = 'DESC'
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field = value.substring(1)
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} else {
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direction = 'ASC'
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field = value
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}
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return { direction, field }
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}
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