support array filter changes (#304)

* support array filter changes

* typo

* better formating

server/src/main/kotlin/suwayomi/tachidesk/manga/MangaAPI.kt

@@ -45,7 +45,7 @@ object MangaAPI {
             post("{sourceId}/preferences", SourceController::setPreference)
 
             get("{sourceId}/filters", SourceController::getFilters)
-            post("{sourceId}/filters", SourceController::setFilter)
+            post("{sourceId}/filters", SourceController::setFilters)
 
             get("{sourceId}/search", SourceController::searchSingle)
 //            get("all/search", SourceController::searchGlobal) // TODO

server/src/main/kotlin/suwayomi/tachidesk/manga/controller/SourceController.kt

@@ -7,6 +7,7 @@ package suwayomi.tachidesk.manga.controller
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+import com.fasterxml.jackson.databind.exc.MismatchedInputException
 import io.javalin.http.Context
 import suwayomi.tachidesk.manga.impl.MangaList
 import suwayomi.tachidesk.manga.impl.Search
@@ -69,10 +70,14 @@ object SourceController {
         ctx.json(Search.getFilterList(sourceId, reset))
     }
 
-    /** set one filter of source with id `sourceId` */
-    fun setFilter(ctx: Context) {
+    /** change filters of source with id `sourceId` */
+    fun setFilters(ctx: Context) {
         val sourceId = ctx.pathParam("sourceId").toLong()
-        val filterChange = ctx.bodyAsClass(FilterChange::class.java)
+        val filterChange = try {
+            ctx.bodyAsClass<List<FilterChange>>()
+        } catch (e: MismatchedInputException) {
+            listOf(ctx.bodyAsClass<FilterChange>())
+        }
 
         ctx.json(Search.setFilter(sourceId, filterChange))
     }

server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Search.kt

@@ -80,32 +80,36 @@ object Search {
         val filter: Filter<*>,
     )
 
-    fun setFilter(sourceId: Long, change: FilterChange) {
+    fun setFilter(sourceId: Long, changes: List<FilterChange>) {
         val source = getCatalogueSourceOrStub(sourceId)
         val filterList = getFilterListOf(source, false)
 
-        when (val filter = filterList[change.position]) {
-            is Filter.Header -> {
-                // NOOP
-            }
-            is Filter.Separator -> {
-                // NOOP
-            }
-            is Filter.Select<*> -> filter.state = change.state.toInt()
-            is Filter.Text -> filter.state = change.state
-            is Filter.CheckBox -> filter.state = change.state.toBooleanStrict()
-            is Filter.TriState -> filter.state = change.state.toInt()
-            is Filter.Group<*> -> {
-                val groupChange = jsonMapper.fromJsonString(change.state, FilterChange::class.java)
+        changes.forEach { change ->
+            when (val filter = filterList[change.position]) {
+                is Filter.Header -> {
+                    // NOOP
+                }
+                is Filter.Separator -> {
+                    // NOOP
+                }
+                is Filter.Select<*> -> filter.state = change.state.toInt()
+                is Filter.Text -> filter.state = change.state
+                is Filter.CheckBox -> filter.state = change.state.toBooleanStrict()
+                is Filter.TriState -> filter.state = change.state.toInt()
+                is Filter.Group<*> -> {
+                    val groupChange = jsonMapper.fromJsonString(change.state, FilterChange::class.java)
 
-                when (val groupFilter = filter.state[groupChange.position]) {
-                    is Filter.CheckBox -> groupFilter.state = groupChange.state.toBooleanStrict()
-                    is Filter.TriState -> groupFilter.state = groupChange.state.toInt()
-                    is Filter.Text -> groupFilter.state = groupChange.state
-                    is Filter.Select<*> -> groupFilter.state = groupChange.state.toInt()
+                    when (val groupFilter = filter.state[groupChange.position]) {
+                        is Filter.CheckBox -> groupFilter.state = groupChange.state.toBooleanStrict()
+                        is Filter.TriState -> groupFilter.state = groupChange.state.toInt()
+                        is Filter.Text -> groupFilter.state = groupChange.state
+                        is Filter.Select<*> -> groupFilter.state = groupChange.state.toInt()
+                    }
+                }
+                is Filter.Sort -> {
+                    filter.state = jsonMapper.fromJsonString(change.state, Filter.Sort.Selection::class.java)
                 }
             }
-            is Filter.Sort -> filter.state = jsonMapper.fromJsonString(change.state, Filter.Sort.Selection::class.java)
         }
     }