+import { Sequelize } from 'sequelize-typescript'
+
+type SortType = { sortModel: any, sortValue: string }
+
// Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ]
function getSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
- let field: string
- let direction: 'ASC' | 'DESC'
+ let { direction, field } = buildDirectionAndField(value)
- if (value.substring(0, 1) === '-') {
- direction = 'DESC'
- field = value.substring(1)
- } else {
- direction = 'ASC'
- field = 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)
}
}
+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(', ')
+
+ const query = '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 + ')'
+
+ return query
+}
+
// ---------------------------------------------------------------------------
export {
+ buildBlockedAccountSQL,
+ SortType,
getSort,
+ getVideoSort,
getSortOnModel,
- throwIfNotValid
+ createSimilarityAttribute,
+ throwIfNotValid,
+ buildTrigramSearchIndex
+}
+
+// ---------------------------------------------------------------------------
+
+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 }
}