137 lines
4 KiB
TypeScript
137 lines
4 KiB
TypeScript
import { Sequelize } from 'sequelize-typescript'
|
|
import * as validator from 'validator'
|
|
|
|
type SortType = { sortModel: any, sortValue: string }
|
|
|
|
// Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ]
|
|
function getSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
|
|
let { direction, field } = buildDirectionAndField(value)
|
|
|
|
if (field.toLowerCase() === 'match') { // Search
|
|
field = Sequelize.col('similarity')
|
|
}
|
|
|
|
return [ [ field, direction ], lastSort ]
|
|
}
|
|
|
|
function getVideoSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
|
|
let { direction, field } = buildDirectionAndField(value)
|
|
|
|
// Alias
|
|
if (field.toLowerCase() === 'match') { // Search
|
|
field = Sequelize.col('similarity')
|
|
} else if (field.toLowerCase() === 'trending') { // Sort by aggregation
|
|
return [
|
|
[ Sequelize.fn('COALESCE', Sequelize.fn('SUM', Sequelize.col('VideoViews.views')), '0'), direction ],
|
|
|
|
[ Sequelize.col('VideoModel.views'), direction ],
|
|
|
|
lastSort
|
|
]
|
|
}
|
|
|
|
const firstSort = typeof field === 'string' ?
|
|
field.split('.').concat([ direction ]) :
|
|
[ field, direction ]
|
|
|
|
return [ firstSort, lastSort ]
|
|
}
|
|
|
|
function getSortOnModel (model: any, value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
|
|
let [ firstSort ] = getSort(value)
|
|
|
|
if (model) return [ [ model, firstSort[0], firstSort[1] ], lastSort ]
|
|
return [ firstSort, lastSort ]
|
|
}
|
|
|
|
function throwIfNotValid (value: any, validator: (value: any) => boolean, fieldName = 'value') {
|
|
if (validator(value) === false) {
|
|
throw new Error(`"${value}" is not a valid ${fieldName}.`)
|
|
}
|
|
}
|
|
|
|
function buildTrigramSearchIndex (indexName: string, attribute: string) {
|
|
return {
|
|
name: indexName,
|
|
fields: [ Sequelize.literal('lower(immutable_unaccent(' + attribute + '))') as any ],
|
|
using: 'gin',
|
|
operator: 'gin_trgm_ops'
|
|
}
|
|
}
|
|
|
|
function createSimilarityAttribute (col: string, value: string) {
|
|
return Sequelize.fn(
|
|
'similarity',
|
|
|
|
searchTrigramNormalizeCol(col),
|
|
|
|
searchTrigramNormalizeValue(value)
|
|
)
|
|
}
|
|
|
|
function buildBlockedAccountSQL (serverAccountId: number, userAccountId?: number) {
|
|
const blockerIds = [ serverAccountId ]
|
|
if (userAccountId) blockerIds.push(userAccountId)
|
|
|
|
const blockerIdsString = blockerIds.join(', ')
|
|
|
|
return 'SELECT "targetAccountId" AS "id" FROM "accountBlocklist" WHERE "accountId" IN (' + blockerIdsString + ')' +
|
|
' UNION ALL ' +
|
|
'SELECT "account"."id" AS "id" FROM account INNER JOIN "actor" ON account."actorId" = actor.id ' +
|
|
'INNER JOIN "serverBlocklist" ON "actor"."serverId" = "serverBlocklist"."targetServerId" ' +
|
|
'WHERE "serverBlocklist"."accountId" IN (' + blockerIdsString + ')'
|
|
}
|
|
|
|
function buildServerIdsFollowedBy (actorId: any) {
|
|
const actorIdNumber = parseInt(actorId + '', 10)
|
|
|
|
return '(' +
|
|
'SELECT "actor"."serverId" FROM "actorFollow" ' +
|
|
'INNER JOIN "actor" ON actor.id = "actorFollow"."targetActorId" ' +
|
|
'WHERE "actorFollow"."actorId" = ' + actorIdNumber +
|
|
')'
|
|
}
|
|
|
|
function buildWhereIdOrUUID (id: number | string) {
|
|
return validator.isInt('' + id) ? { id } : { uuid: id }
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
export {
|
|
buildBlockedAccountSQL,
|
|
SortType,
|
|
getSort,
|
|
getVideoSort,
|
|
getSortOnModel,
|
|
createSimilarityAttribute,
|
|
throwIfNotValid,
|
|
buildServerIdsFollowedBy,
|
|
buildTrigramSearchIndex,
|
|
buildWhereIdOrUUID
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
function searchTrigramNormalizeValue (value: string) {
|
|
return Sequelize.fn('lower', Sequelize.fn('immutable_unaccent', value))
|
|
}
|
|
|
|
function searchTrigramNormalizeCol (col: string) {
|
|
return Sequelize.fn('lower', Sequelize.fn('immutable_unaccent', Sequelize.col(col)))
|
|
}
|
|
|
|
function buildDirectionAndField (value: string) {
|
|
let field: any
|
|
let direction: 'ASC' | 'DESC'
|
|
|
|
if (value.substring(0, 1) === '-') {
|
|
direction = 'DESC'
|
|
field = value.substring(1)
|
|
} else {
|
|
direction = 'ASC'
|
|
field = value
|
|
}
|
|
|
|
return { direction, field }
|
|
}
|