1 /*
2  *  Make.org Core API
3  *  Copyright (C) 2020 Make.org
4  *
5  * This program is free software: you can redistribute it and/or modify
6  *  it under the terms of the GNU Affero General Public License as
7  *  published by the Free Software Foundation, either version 3 of the
8  *  License, or (at your option) any later version.
9  *
10  *  This program is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU Affero General Public License for more details.
14  *
15  *  You should have received a copy of the GNU Affero General Public License
16  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
17  *
18  */
19 
20 package org.make.core.operation
21 
22 import com.sksamuel.elastic4s.requests.searches.SearchRequest
23 import com.sksamuel.elastic4s.requests.searches.sort.{FieldSort, SortOrder}
24 import enumeratum.{Enum, EnumEntry}
25 import org.make.core.operation.indexed.OperationOfQuestionElasticsearchFieldName._
26 
27 sealed abstract class SortAlgorithm(priority: FieldSort*) extends EnumEntry {
28 
29   private val sort = priority ++ Seq(
30     FieldSort(field = endDate.field, order = SortOrder.DESC),
31     FieldSort(field = slug.field, order = SortOrder.ASC)
32   )
33 
34   def sortDefinition(request: SearchRequest): SearchRequest = request.sortBy(sort)
35 
36 }
37 
38 object SortAlgorithm extends Enum[SortAlgorithm] {
39 
40   case object Chronological extends SortAlgorithm
41   case object Featured extends SortAlgorithm(FieldSort(field = featured.field, order = SortOrder.DESC))
42 
43   override val values: IndexedSeq[SortAlgorithm] = findValues
44   final val swaggerAllowableValues = "Chronological,Featured"
45 }