+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(', ')
+
+ 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