-// Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ]
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: any
- 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') field = Sequelize.col('similarity')
+ 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
+ ]
+ }
return [ [ field, direction ], lastSort ]
}
)
}
-function createSearchTrigramQuery (col: string, value: string) {
- return {
- [ Sequelize.Op.or ]: [
- // FIXME: use word_similarity instead of just similarity?
- Sequelize.where(searchTrigramNormalizeCol(col), ' % ', searchTrigramNormalizeValue(value)),
-
- Sequelize.where(searchTrigramNormalizeCol(col), ' LIKE ', searchTrigramNormalizeValue(`%${value}%`))
- ]
- }
-}
-
// ---------------------------------------------------------------------------
export {
+ SortType,
getSort,
+ getVideoSort,
getSortOnModel,
createSimilarityAttribute,
throwIfNotValid,
- buildTrigramSearchIndex,
- createSearchTrigramQuery
+ buildTrigramSearchIndex
}
// ---------------------------------------------------------------------------
function searchTrigramNormalizeValue (value: string) {
- return Sequelize.fn('lower', Sequelize.fn('unaccent', value))
+ 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 }
+}