Refactoring

src/main/kotlin/org/koitharu/kotatsu/parsers/MangaParser.kt

@@ -28,7 +28,7 @@ public abstract class MangaParser @InternalParsersApi constructor(
 	public abstract val filterCapabilities: MangaListFilterCapabilities
 
 	public open val searchQueryCapabilities: MangaSearchQueryCapabilities
-		get() = MangaSearchQueryCapabilities.from(filterCapabilities)
+		get() = filterCapabilities.toMangaSearchQueryCapabilities()
 
 	public val config: MangaSourceConfig by lazy { context.getConfig(source) }
 
@@ -68,26 +68,24 @@ public abstract class MangaParser @InternalParsersApi constructor(
 	 *
 	 * @param searchQuery searchQuery
 	 */
-	public suspend fun searchManga(searchQuery: MangaSearchQuery, validateQuery: Boolean = true): List<Manga> {
-		if (validateQuery) {
+	public suspend fun queryManga(searchQuery: MangaSearchQuery): List<Manga> {
+		if (!searchQuery.skipValidation) {
 			searchQueryCapabilities.validate(searchQuery)
 		}
 
-		return validatedMangaSearch(searchQuery)
+		return getList(searchQuery)
 	}
 
 	/**
 	 * Search list of manga by specified searchQuery
 	 *
-	 * @param searchQuery searchQuery
+	 * @param query searchQuery
 	 */
-	protected open suspend fun validatedMangaSearch(searchQuery: MangaSearchQuery): List<Manga> {
-		return getList(
-			searchQuery.offset ?: 0,
-			searchQuery.order ?: defaultSortOrder,
-			convertToMangaListFilter(searchQuery),
+	protected open suspend fun getList(query: MangaSearchQuery): List<Manga> = getList(
+		offset = query.offset,
+		order = query.order ?: defaultSortOrder,
+		filter = convertToMangaListFilter(query),
 	)
-	}
 
 	/**
 	 * Parse list of manga by specified criteria
@@ -97,9 +95,9 @@ public abstract class MangaParser @InternalParsersApi constructor(
 	 * @param order one of [availableSortOrders] or [defaultSortOrder] for default value
 	 * @param filter is a set of filter rules
 	 *
-	 * @deprecated New [searchManga] should be preferred.
+	 * @deprecated New [getList] should be preferred.
 	 */
-	@Deprecated("New searchManga method should be preferred")
+	@Deprecated("New getList(query: MangaSearchQuery) method should be preferred")
 	public abstract suspend fun getList(offset: Int, order: SortOrder, filter: MangaListFilter): List<Manga>
 
 	/**

src/main/kotlin/org/koitharu/kotatsu/parsers/PagedMangaParser.kt

@@ -24,9 +24,9 @@ public abstract class PagedMangaParser(
 	@JvmField
 	protected val searchPaginator: Paginator = Paginator(searchPageSize)
 
-	final override suspend fun validatedMangaSearch(searchQuery: MangaSearchQuery): List<Manga> {
+	final override suspend fun getList(query: MangaSearchQuery): List<Manga> {
 		var containTitleNameCriteria = false
-		searchQuery.criteria.forEach {
+		query.criteria.forEach {
 			if (it.field == SearchableField.TITLE_NAME) {
 				containTitleNameCriteria = true
 			}
@@ -38,15 +38,15 @@ public abstract class PagedMangaParser(
 			} else {
 				searchPaginator
 			},
-			searchQuery = searchQuery,
+			query = query,
 		)
 	}
 
-	public open suspend fun searchPageManga(searchQuery: MangaSearchQuery): List<Manga> {
-		return getList(
-			searchQuery.offset ?: 0,
-			searchQuery.order ?: defaultSortOrder,
-			convertToMangaListFilter(searchQuery),
+	public open suspend fun getListPage(query: MangaSearchQuery, page: Int): List<Manga> {
+		return getListPage(
+			page = page,
+			order = query.order ?: defaultSortOrder,
+			filter = convertToMangaListFilter(query),
 		)
 	}
 
@@ -81,16 +81,11 @@ public abstract class PagedMangaParser(
 
 	private suspend fun searchManga(
 		paginator: Paginator,
-		searchQuery: MangaSearchQuery,
+		query: MangaSearchQuery,
 	): List<Manga> {
-		val offset: Int = searchQuery.offset ?: 0
+		val offset: Int = query.offset
 		val page = paginator.getPage(offset)
-		val list = searchPageManga(
-			MangaSearchQuery.builder()
-				.copy(searchQuery)
-				.offset(page)
-				.build(),
-		)
+		val list = getListPage(query, page)
 		paginator.onListReceived(offset, page, list.size)
 		return list
 	}

src/main/kotlin/org/koitharu/kotatsu/parsers/SinglePageMangaParser.kt

@@ -14,16 +14,16 @@ public abstract class SinglePageMangaParser(
 ) : MangaParser(context, source) {
 
 
-	final override suspend fun validatedMangaSearch(searchQuery: MangaSearchQuery): List<Manga> {
-		if (searchQuery.offset != null && searchQuery.offset > 0) {
+	final override suspend fun getList(query: MangaSearchQuery): List<Manga> {
+		if (query.offset > 0) {
 			return emptyList()
 		}
-		return searchSinglePageManga(searchQuery)
+		return searchSinglePageManga(query)
 	}
 
 	public open suspend fun searchSinglePageManga(searchQuery: MangaSearchQuery): List<Manga> {
 		return getList(
-			searchQuery.offset ?: 0,
+			searchQuery.offset,
 			searchQuery.order ?: defaultSortOrder,
 			convertToMangaListFilter(searchQuery),
 		)

src/main/kotlin/org/koitharu/kotatsu/parsers/model/MangaListFilter.kt

@@ -44,7 +44,7 @@ public data class MangaListFilter(
 		public val EMPTY: MangaListFilter = MangaListFilter()
 	}
 
-	public class Builder {
+	internal class Builder {
 		private var query: String? = null
 		private val tags: MutableSet<MangaTag> = mutableSetOf()
 		private val tagsExclude: MutableSet<MangaTag> = mutableSetOf()
@@ -58,28 +58,32 @@ public data class MangaListFilter(
 		private var yearFrom: Int = YEAR_UNKNOWN
 		private var yearTo: Int = YEAR_UNKNOWN
 
-		public fun query(query: String?): Builder = apply { this.query = query }
-		public fun addTag(tag: MangaTag): Builder = apply { tags.add(tag) }
-		public fun addTags(tags: Collection<MangaTag>): Builder = apply { this.tags.addAll(tags) }
-		public fun excludeTag(tag: MangaTag): Builder = apply { tagsExclude.add(tag) }
-		public fun excludeTags(tags: Collection<MangaTag>): Builder = apply { this.tagsExclude.addAll(tags) }
-		public fun locale(locale: Locale?): Builder = apply { this.locale = locale }
-		public fun originalLocale(locale: Locale?): Builder = apply { this.originalLocale = locale }
-		public fun addState(state: MangaState): Builder = apply { states.add(state) }
-		public fun addStates(states: Collection<MangaState>): Builder = apply { this.states.addAll(states) }
-		public fun addContentRating(rating: ContentRating): Builder = apply { contentRating.add(rating) }
-		public fun addContentRatings(ratings: Collection<ContentRating>): Builder = apply { this.contentRating.addAll(ratings) }
-		public fun addType(type: ContentType): Builder = apply { types.add(type) }
-		public fun addTypes(types: Collection<ContentType>): Builder = apply { this.types.addAll(types) }
-		public fun addDemographic(demographic: Demographic): Builder = apply { demographics.add(demographic) }
-		public fun addDemographics(demographics: Collection<Demographic>): Builder = apply { this.demographics.addAll(demographics) }
-		public fun year(year: Int): Builder = apply { this.year = year }
-		public fun yearFrom(year: Int): Builder = apply { this.yearFrom = year }
-		public fun yearTo(year: Int): Builder = apply { this.yearTo = year }
+		fun query(query: String?): Builder = apply { this.query = query }
+		fun addTag(tag: MangaTag): Builder = apply { tags.add(tag) }
+		fun addTags(tags: Collection<MangaTag>): Builder = apply { this.tags.addAll(tags) }
+		fun excludeTag(tag: MangaTag): Builder = apply { tagsExclude.add(tag) }
+		fun excludeTags(tags: Collection<MangaTag>): Builder = apply { this.tagsExclude.addAll(tags) }
+		fun locale(locale: Locale?): Builder = apply { this.locale = locale }
+		fun originalLocale(locale: Locale?): Builder = apply { this.originalLocale = locale }
+		fun addState(state: MangaState): Builder = apply { states.add(state) }
+		fun addStates(states: Collection<MangaState>): Builder = apply { this.states.addAll(states) }
+		fun addContentRating(rating: ContentRating): Builder = apply { contentRating.add(rating) }
+		fun addContentRatings(ratings: Collection<ContentRating>): Builder =
+			apply { this.contentRating.addAll(ratings) }
 
-		public fun build(): MangaListFilter = MangaListFilter(
+		fun addType(type: ContentType): Builder = apply { types.add(type) }
+		fun addTypes(types: Collection<ContentType>): Builder = apply { this.types.addAll(types) }
+		fun addDemographic(demographic: Demographic): Builder = apply { demographics.add(demographic) }
+		fun addDemographics(demographics: Collection<Demographic>): Builder =
+			apply { this.demographics.addAll(demographics) }
+
+		fun year(year: Int): Builder = apply { this.year = year }
+		fun yearFrom(year: Int): Builder = apply { this.yearFrom = year }
+		fun yearTo(year: Int): Builder = apply { this.yearTo = year }
+
+		fun build(): MangaListFilter = MangaListFilter(
 			query, tags, tagsExclude, locale, originalLocale, states,
-			contentRating, types, demographics, year, yearFrom, yearTo
+			contentRating, types, demographics, year, yearFrom, yearTo,
 		)
 	}
 }

src/main/kotlin/org/koitharu/kotatsu/parsers/model/search/MangaSearchQuery.kt

@@ -1,5 +1,7 @@
 package org.koitharu.kotatsu.parsers.model.search
 
+import androidx.collection.ArrayMap
+import androidx.collection.ArraySet
 import org.koitharu.kotatsu.parsers.model.SortOrder
 
 /**
@@ -10,98 +12,48 @@ import org.koitharu.kotatsu.parsers.model.SortOrder
  * @property order The sorting order for the results (optional).
  * @property offset The offset number for paginated search results (optional).
  */
-public class MangaSearchQuery private constructor(
-	@JvmField public val criteria: Set<QueryCriteria<*>> = emptySet(),
-	@JvmField public val order: SortOrder? = null,
-	@JvmField public val offset: Int? = null,
-) {
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (other !is MangaSearchQuery) return false
-
-		return criteria == other.criteria &&
-			order == other.order &&
-			offset == other.offset
-	}
 
-	override fun hashCode(): Int {
-		var result = criteria.hashCode()
-		result = 31 * result + (order?.hashCode() ?: 0)
-		result = 31 * result + (offset ?: 0)
-		return result
-	}
+@ConsistentCopyVisibility
+public data class MangaSearchQuery private constructor(
+	@JvmField public val criteria: Set<QueryCriteria<*>>,
+	@JvmField public val order: SortOrder?,
+	@JvmField public val offset: Int,
+	@JvmField public val skipValidation: Boolean,
+) {
 
-	public companion object {
-		public fun builder(): Builder = Builder()
-	}
+	public fun newBuilder(): Builder = Builder(this)
 
 	public class Builder {
-		private var criteria: MutableSet<QueryCriteria<*>> = mutableSetOf()
+
+		private val criteria = ArraySet<QueryCriteria<*>>()
 		private var order: SortOrder? = null
-		private var offset: Int? = null
+		private var offset: Int = 0
+		private var skipValidation: Boolean = false
 
-		public fun copy(searchQuery: MangaSearchQuery): Builder = apply {
-			this.criteria = searchQuery.criteria as MutableSet<QueryCriteria<*>>
-			this.order = searchQuery.order
-			this.offset = searchQuery.offset
-		}
+		public constructor()
 
-		@Throws(IllegalArgumentException::class)
-		public fun criterion(criterion: QueryCriteria<*>): Builder = apply {
-			validateCriterion(criterion)
-			this.criteria.add(criterion)
+		public constructor(query: MangaSearchQuery) : this() {
+			criteria.addAll(query.criteria)
+			order = query.order
+			offset = query.offset
 		}
 
+		public fun criterion(criterion: QueryCriteria<*>): Builder = apply { criteria.add(criterion) }
+
 		public fun order(order: SortOrder?): Builder = apply { this.order = order }
 
-		public fun offset(offset: Int?): Builder = apply { this.offset = offset }
+		public fun offset(offset: Int): Builder = apply { this.offset = offset }
+
+		public fun skipValidation(skip: Boolean): Builder = apply { this.skipValidation = skip }
 
 		@Throws(IllegalArgumentException::class)
 		public fun build(): MangaSearchQuery {
-			return MangaSearchQuery(deduplicateCriteria(criteria), order, offset)
-		}
-
-		/**
-		 * Validates the provided [QueryCriteria] to ensure type correctness.
-		 *
-		 * @param criterion The search criterion to validate.
-		 * @throws IllegalArgumentException If the criterion type does not match the expected type.
-		 */
-		private fun validateCriterion(criterion: QueryCriteria<*>) {
-			try {
-				val expectedType = criterion.field.type
-				val actualType: Class<*>? = when (criterion) {
-					is QueryCriteria.Include<*> -> criterion.values.first().javaClass
-					is QueryCriteria.Exclude<*> -> criterion.values.first().javaClass
-					is QueryCriteria.Match<*> -> criterion.value.javaClass
-					is QueryCriteria.Range<*> -> {
-						if (criterion.from.javaClass != criterion.to.javaClass) {
-							throw IllegalArgumentException(
-								"Mismatched types for field '${criterion.field}'. 'from' and 'to' should have same types"
-							)
-						}
-						criterion.from.javaClass
-					}
-				}
-
-				val isCompatibleIntType = (expectedType == Int::class.java && actualType == Integer::class.java) ||
-					(expectedType == Integer::class.java && actualType == Int::class.java)
-
-				if (actualType != null && !expectedType.isAssignableFrom(actualType) && !isCompatibleIntType) {
-					throw IllegalArgumentException(
-						"Invalid type for ${criterion.field}. Expected: ${expectedType.simpleName}, but got: ${actualType.simpleName}"
-					)
-				}
-			} catch (e: NoSuchElementException) {
-				throw IllegalArgumentException(
-					"QueryCriteria values should not be empty"
-				)
-			}
+			return MangaSearchQuery(deduplicateCriteria(criteria), order, offset, skipValidation)
 		}
 
 		private fun deduplicateCriteria(criteria: Set<QueryCriteria<*>>): Set<QueryCriteria<*>> {
-			val uniqueCriteria = mutableMapOf<Pair<SearchableField, Class<out QueryCriteria<*>>>, QueryCriteria<*>>()
+			val uniqueCriteria =
+				ArrayMap<Pair<SearchableField, Class<out QueryCriteria<*>>>, QueryCriteria<*>>(criteria.size)
 
 			for (criterion in criteria) {
 				val key = criterion.field to criterion::class.java
@@ -111,15 +63,17 @@ public class MangaSearchQuery private constructor(
 					existing == null -> uniqueCriteria[key] = criterion
 
 					existing is QueryCriteria.Include<*> && criterion is QueryCriteria.Include<*> -> {
-						uniqueCriteria[key] = QueryCriteria.Include(criterion.field,existing.values union criterion.values)
+						uniqueCriteria[key] =
+							QueryCriteria.Include(criterion.field, existing.values union criterion.values)
 					}
 
 					existing is QueryCriteria.Exclude<*> && criterion is QueryCriteria.Exclude<*> -> {
-						uniqueCriteria[key] = QueryCriteria.Exclude(criterion.field,existing.values union criterion.values)
+						uniqueCriteria[key] =
+							QueryCriteria.Exclude(criterion.field, existing.values union criterion.values)
 					}
 
 					else -> throw IllegalArgumentException(
-						"Match and Range have only one criterion per type, but found duplicates for: ${criterion.field} in ${criterion::class.simpleName}"
+						"Match and Range have only one criterion per type, but found duplicates for: ${criterion.field} in ${criterion::class.simpleName}",
 					)
 				}
 			}

src/main/kotlin/org/koitharu/kotatsu/parsers/model/search/MangaSearchQueryCapabilities.kt

@@ -1,81 +1,25 @@
 package org.koitharu.kotatsu.parsers.model.search
 
+import androidx.collection.ArraySet
 import org.koitharu.kotatsu.parsers.InternalParsersApi
-import org.koitharu.kotatsu.parsers.model.MangaListFilterCapabilities
 import org.koitharu.kotatsu.parsers.model.search.QueryCriteria.*
-import org.koitharu.kotatsu.parsers.model.search.SearchableField.*
+import org.koitharu.kotatsu.parsers.util.mapToSet
 
-public data class MangaSearchQueryCapabilities(
-	val capabilities: Set<SearchCapability> = emptySet(),
+@ExposedCopyVisibility
+public data class MangaSearchQueryCapabilities internal constructor(
+	val capabilities: Set<SearchCapability>,
 ) {
-	public companion object {
-		@InternalParsersApi
-		public fun from(filterCapabilities: MangaListFilterCapabilities): MangaSearchQueryCapabilities {
-			return MangaSearchQueryCapabilities(
-				capabilities = setOfNotNull(
-					filterCapabilities.isMultipleTagsSupported.takeIf { it }?.let {
-						SearchCapability(
-							field = TAG, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true
-						)
-					},
-					filterCapabilities.isTagsExclusionSupported.takeIf { it }?.let {
-						SearchCapability(
-							field = TAG, criteriaTypes = setOf(Exclude::class), multiValue = true, otherCriteria = true
-						)
-					},
-					filterCapabilities.isSearchSupported.takeIf { it }?.let {
-						SearchCapability(
-							field = TITLE_NAME, criteriaTypes = setOf(Match::class), multiValue = false, otherCriteria = false
-						)
-					},
-					filterCapabilities.isSearchWithFiltersSupported.takeIf { it }?.let {
-						SearchCapability(
-							field = TITLE_NAME, criteriaTypes = setOf(Match::class), multiValue = false, otherCriteria = true
-						)
-					},
-					filterCapabilities.isYearSupported.takeIf { it }?.let {
-						SearchCapability(
-							field = PUBLICATION_YEAR, criteriaTypes = setOf(Match::class), multiValue = false, otherCriteria = true
-						)
-					},
-					filterCapabilities.isYearRangeSupported.takeIf { it }?.let {
-						SearchCapability(
-							field = PUBLICATION_YEAR, criteriaTypes = setOf(Range::class), multiValue = false, otherCriteria = true
-						)
-					},
-					filterCapabilities.isOriginalLocaleSupported.takeIf { it }?.let {
-						SearchCapability(
-							field = ORIGINAL_LANGUAGE, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true
-						)
-					},
-					SearchCapability(
-						field = LANGUAGE, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true
-					),
-					SearchCapability(
-						field = STATE, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true
-					),
-					SearchCapability(
-						field = CONTENT_TYPE, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true
-					),
-					SearchCapability(
-						field = CONTENT_RATING, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true
-					),
-					SearchCapability(
-						field = DEMOGRAPHIC, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true
-					),
-				),
-			)
-		}
-	}
+
+	public constructor(vararg capabilities: SearchCapability) : this(ArraySet(capabilities))
 
 	@InternalParsersApi
 	public fun validate(query: MangaSearchQuery) {
-		val strictFields = capabilities.filter { !it.otherCriteria }.map { it.field }.toSet()
-		val usedStrictFields = query.criteria.map { it.field }.toSet().intersect(strictFields)
+		val strictFields = capabilities.filter { !it.otherCriteria }.mapToSet { it.field }
+		val usedStrictFields = query.criteria.mapToSet { it.field }.intersect(strictFields)
 
 		if (usedStrictFields.isNotEmpty() && query.criteria.size > 1) {
 			throw IllegalArgumentException(
-				"Query contains multiple criteria, but at least one field (${usedStrictFields.joinToString()}) does not support multiple criteria."
+				"Query contains multiple criteria, but at least one field (${usedStrictFields.joinToString()}) does not support multiple criteria.",
 			)
 		}
 
@@ -85,7 +29,7 @@ public data class MangaSearchQueryCapabilities(
 
 			if (criterion::class !in capability.criteriaTypes) {
 				throw IllegalArgumentException(
-					"Unsupported search criterion: ${criterion::class.simpleName} for field ${criterion.field}"
+					"Unsupported search criterion: ${criterion::class.simpleName} for field ${criterion.field}",
 				)
 			}
 
@@ -94,8 +38,10 @@ public data class MangaSearchQueryCapabilities(
 				when (criterion) {
 					is Include<*> -> if (criterion.values.size > 1)
 						throw IllegalArgumentException("Multiple values are not allowed for field ${criterion.field}")
+
 					is Exclude<*> -> if (criterion.values.size > 1)
 						throw IllegalArgumentException("Multiple values are not allowed for field ${criterion.field}")
+
 					is Range<*> -> {} // Range is always valid (from, to)
 					is Match<*> -> {} // Match always has a single value
 				}

src/main/kotlin/org/koitharu/kotatsu/parsers/model/search/QueryCriteria.kt

@@ -7,57 +7,53 @@ package org.koitharu.kotatsu.parsers.model.search
  * @param T The type of value associated with the search criterion.
  * @property field The field to which this search criterion applies.
  */
-public sealed class QueryCriteria<T>(
-	@JvmField public val field: SearchableField
-) {
-	public class Include<T : Any>(field: SearchableField, @JvmField public val values: Set<T>) : QueryCriteria<T>(field) {
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (other !is Include<*>) return false
-			return field == other.field && values == other.values
-		}
+public sealed interface QueryCriteria<T> {
+
+	public val field: SearchableField
+
+	override fun equals(other: Any?): Boolean
+
+	override fun hashCode(): Int
 
-		override fun hashCode(): Int {
-			return 31 * field.hashCode() + values.hashCode()
+	public data class Include<T : Any>(
+		public override val field: SearchableField,
+		@JvmField public val values: Set<T>,
+	) : QueryCriteria<T> {
+
+		init {
+			check(values.all { x -> field.type.isInstance(x) })
 		}
 	}
 
-	public class Exclude<T : Any>(field: SearchableField, @JvmField public val values: Set<T>) : QueryCriteria<T>(field) {
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (other !is Exclude<*>) return false
-			return field == other.field && values == other.values
-		}
+	public data class Exclude<T : Any>(
+		public override val field: SearchableField,
+		@JvmField public val values: Set<T>,
+	) : QueryCriteria<T> {
 
-		override fun hashCode(): Int {
-			return 31 * field.hashCode() + values.hashCode()
+		init {
+			check(values.all { x -> field.type.isInstance(x) })
 		}
 	}
 
-	public class Range<T : Comparable<T>>(field: SearchableField, @JvmField public val from: T, @JvmField public val to: T) : QueryCriteria<T>(field) {
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (other !is Range<*>) return false
-			return field == other.field && from == other.from && to == other.to
-		}
+	public data class Range<T : Comparable<T>>(
+		public override val field: SearchableField,
+		@JvmField public val from: T,
+		@JvmField public val to: T,
+	) : QueryCriteria<T> {
 
-		override fun hashCode(): Int {
-			var result = field.hashCode()
-			result = 31 * result + from.hashCode()
-			result = 31 * result + to.hashCode()
-			return result
+		init {
+			check(field.type.isInstance(from))
+			check(field.type.isInstance(to))
 		}
 	}
 
-	public class Match<T : Any>(field: SearchableField, @JvmField public val value: T) : QueryCriteria<T>(field) {
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (other !is Match<*>) return false
-			return field == other.field && value == other.value
-		}
+	public data class Match<T : Any>(
+		public override val field: SearchableField,
+		@JvmField public val value: T,
+	) : QueryCriteria<T> {
 
-		override fun hashCode(): Int {
-			return 31 * field.hashCode() + value.hashCode()
+		init {
+			check(field.type.isInstance(value))
 		}
 	}
 }

src/main/kotlin/org/koitharu/kotatsu/parsers/model/search/SearchableField.kt

@@ -1,7 +1,7 @@
 package org.koitharu.kotatsu.parsers.model.search
 
 import org.koitharu.kotatsu.parsers.model.*
-import java.util.Locale
+import java.util.*
 
 /**
  * Represents the various fields that can be used for searching manga.

src/main/kotlin/org/koitharu/kotatsu/parsers/site/all/MangaDexParser.kt

@@ -11,11 +11,13 @@ import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaParser
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.config.ConfigKey
-import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.exception.ParseException
 import org.koitharu.kotatsu.parsers.model.*
-import org.koitharu.kotatsu.parsers.model.search.*
+import org.koitharu.kotatsu.parsers.model.search.MangaSearchQuery
+import org.koitharu.kotatsu.parsers.model.search.MangaSearchQueryCapabilities
 import org.koitharu.kotatsu.parsers.model.search.QueryCriteria.*
+import org.koitharu.kotatsu.parsers.model.search.SearchCapability
+import org.koitharu.kotatsu.parsers.model.search.SearchableField
 import org.koitharu.kotatsu.parsers.model.search.SearchableField.*
 import org.koitharu.kotatsu.parsers.util.*
 import org.koitharu.kotatsu.parsers.util.json.*
@@ -79,17 +81,65 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 
 	override val searchQueryCapabilities: MangaSearchQueryCapabilities
 		get() = MangaSearchQueryCapabilities(
-			capabilities = setOf(
-				SearchCapability(field = TAG, criteriaTypes = setOf(Include::class, Exclude::class), multiValue = true, otherCriteria = true),
-				SearchCapability(field = TITLE_NAME, criteriaTypes = setOf(Match::class), multiValue = false, otherCriteria = true),
-				SearchCapability(field = STATE, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true),
-				SearchCapability(field = AUTHOR, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true),
-				SearchCapability(field = CONTENT_TYPE, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true),
-				SearchCapability(field = CONTENT_RATING, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true),
-				SearchCapability(field = DEMOGRAPHIC, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true),
-				SearchCapability(field = ORIGINAL_LANGUAGE, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true),
-				SearchCapability(field = LANGUAGE, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true),
-				SearchCapability(field = PUBLICATION_YEAR, criteriaTypes = setOf(Match::class), multiValue = false, otherCriteria = true),
+			SearchCapability(
+				field = TAG,
+				criteriaTypes = setOf(Include::class, Exclude::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = TITLE_NAME,
+				criteriaTypes = setOf(Match::class),
+				multiValue = false,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = STATE,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = AUTHOR,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = CONTENT_TYPE,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = CONTENT_RATING,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = DEMOGRAPHIC,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = ORIGINAL_LANGUAGE,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = LANGUAGE,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = PUBLICATION_YEAR,
+				criteriaTypes = setOf(Match::class),
+				multiValue = false,
+				otherCriteria = true,
 			),
 		)
 
@@ -127,7 +177,6 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 		ORIGINAL_LANGUAGE -> "originalLanguage[]"
 		LANGUAGE -> "availableTranslatedLanguage[]"
 		PUBLICATION_YEAR -> "year"
-		else -> ""
 	}
 
 	private fun Any?.toQueryParam(): String = when (this) {
@@ -141,13 +190,14 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 			MangaState.PAUSED -> "hiatus"
 			else -> ""
 		}
+
 		is ContentRating -> when (this) {
 			ContentRating.SAFE -> "safe"
 			// quick fix for double value
 			ContentRating.SUGGESTIVE -> "suggestive&contentRating[]=erotica"
 			ContentRating.ADULT -> "pornographic"
-			else -> ""
 		}
+
 		is Demographic -> when (this) {
 			Demographic.SHOUNEN -> "shounen"
 			Demographic.SHOUJO -> "shoujo"
@@ -156,6 +206,7 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 			Demographic.NONE -> "none"
 			else -> ""
 		}
+
 		is SortOrder -> when (this) {
 			SortOrder.UPDATED -> "[latestUploadedChapter]=desc"
 			SortOrder.UPDATED_ASC -> "[latestUploadedChapter]=asc"
@@ -172,6 +223,7 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 			SortOrder.RELEVANCE -> "&order[relevance]=desc"
 			else -> "[latestUploadedChapter]=desc"
 		}
+
 		else -> this.toString().urlEncoded()
 	}
 
@@ -183,14 +235,14 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 		}
 	}
 
-	override suspend fun validatedMangaSearch(searchQuery: MangaSearchQuery): List<Manga> {
+	override suspend fun getList(query: MangaSearchQuery): List<Manga> {
 		val url = buildString {
-			append("https://api.$domain/manga?limit=$PAGE_SIZE&offset=${searchQuery.offset ?: 0}")
+			append("https://api.$domain/manga?limit=$PAGE_SIZE&offset=${query.offset}")
 				.append("&includes[]=cover_art&includes[]=author&includes[]=artist&includedTagsMode=AND&excludedTagsMode=OR")
 
 			var hasContentRating = false
 
-			searchQuery.criteria.forEach { criterion ->
+			query.criteria.forEach { criterion ->
 				when (criterion) {
 					is Include<*> -> {
 						if (criterion.field == CONTENT_RATING) {
@@ -198,12 +250,15 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 						}
 						criterion.values.forEach { appendCriterion(criterion.field, it) }
 					}
+
 					is Exclude<*> -> {
 						criterion.values.forEach { appendCriterion(criterion.field, it, "excludedTags[]") }
 					}
+
 					is Match<*> -> {
 						appendCriterion(criterion.field, criterion.value)
 					}
+
 					else -> {
 						// Not supported
 					}
@@ -216,7 +271,7 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 			}
 
 			append("&order")
-			append((searchQuery.order ?: defaultSortOrder).toQueryParam())
+			append((query.order ?: defaultSortOrder).toQueryParam())
 		}
 
 		val json = webClient.httpGet(url).parseJson().getJSONArray("data")
@@ -224,7 +279,7 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 	}
 
 	override suspend fun getList(offset: Int, order: SortOrder, filter: MangaListFilter): List<Manga> {
-		return searchManga(convertToMangaSearchQuery(offset, order, filter))
+		return queryManga(convertToMangaSearchQuery(offset, order, filter))
 	}
 
 	override suspend fun getDetails(manga: Manga): Manga {
@@ -304,15 +359,14 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 				"https://uploads.$domain/covers/$id/$it"
 			}
 		val authors: Set<MangaTag> = (relations["author"] ?: relations["artist"])
-			?.mapNotNull {
+			?.mapNotNullToSet {
 				val key = it.getStringOrNull("id")
 				val title = it.getJSONObject("attributes")?.getStringOrNull("name")
 
 				key?.let { k ->
 					title?.let { t -> MangaTag(key = k, title = t, source = source) }
 				}
-			}
-			?.toSet() ?: emptySet()
+			}.orEmpty()
 
 		return Manga(
 			id = generateUid(id),
@@ -452,7 +506,8 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 			val locale = attrs.getStringOrNull("translatedLanguage")?.let { Locale.forLanguageTag(it) }
 			val lc = locale?.getDisplayName(locale)?.toTitleCase(locale)
 			val relations = jo.getJSONArray("relationships").associateByKey("type")
-			val team = relations["scanlation_group"]?.firstOrNull()?.optJSONObject("attributes")?.getStringOrNull("name")
+			val team =
+				relations["scanlation_group"]?.firstOrNull()?.optJSONObject("attributes")?.getStringOrNull("name")
 			val branch = (list.indices).firstNotNullOf { i ->
 				val b = if (i == 0) lc else "$lc ($i)"
 				if (branchedChapters[b]?.get(volume to number) == null) b else null

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/WeebCentral.kt

@@ -64,27 +64,27 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 			MangaTag(
 				title = it.selectFirstOrThrow(".label-text").text(),
 				key = it.selectFirstOrThrow("input[id$=value]").attr("value"),
-				source = source
+				source = source,
 			)
 		}
 
 		val states = EnumSet.of(
-			ONGOING, FINISHED, ABANDONED, PAUSED
+			ONGOING, FINISHED, ABANDONED, PAUSED,
 		)
 
 		val types = EnumSet.of(
-			MANGA, MANHWA, MANHUA, COMICS
+			MANGA, MANHWA, MANHUA, COMICS,
 		)
 
 		val rating = EnumSet.of(
-			SAFE, SUGGESTIVE
+			SAFE, SUGGESTIVE,
 		)
 
 		return MangaListFilterOptions(
 			availableTags = tags,
 			availableStates = states,
 			availableContentTypes = types,
-			availableContentRating = rating
+			availableContentRating = rating,
 		)
 	}
 
@@ -109,7 +109,7 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 					ADDED, ADDED_ASC -> "Recently Added"
 					UPDATED, UPDATED_ASC -> "Latest Updates"
 					else -> throw UnsupportedOperationException("unsupported order: $order")
-				}
+				},
 			)
 			addQueryParameter(
 				name = "order",
@@ -117,11 +117,11 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 					RELEVANCE, ALPHABETICAL, POPULARITY_ASC, RATING_ASC, ADDED_ASC, UPDATED_ASC -> "Ascending"
 					ALPHABETICAL_DESC, POPULARITY, RATING, ADDED, UPDATED -> "Descending"
 					else -> throw UnsupportedOperationException("unsupported order: $order")
-				}
+				},
 			)
 			addQueryParameter("official", "Any")
 			addQueryParameter("anime", "Any")
-			with (filter.contentRating) {
+			with(filter.contentRating) {
 				addQueryParameter(
 					name = "adult",
 					value = when {
@@ -130,7 +130,7 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 						SAFE in this -> "False"
 						SUGGESTIVE in this -> "True"
 						else -> throw UnsupportedOperationException("unsupported content rating: $this")
-					}
+					},
 				)
 			}
 			filter.states.forEach { state ->
@@ -142,7 +142,7 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 						ABANDONED -> "Canceled"
 						PAUSED -> "Hiatus"
 						else -> throw UnsupportedOperationException("unsupported state: $state")
-					}
+					},
 				)
 			}
 			filter.types.forEach { type ->
@@ -154,7 +154,7 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 						MANHUA -> "Manhua"
 						COMICS -> "OEL"
 						else -> throw UnsupportedOperationException("unsupported type: $type")
-					}
+					},
 				)
 			}
 			filter.tags.forEach { tag ->
@@ -193,11 +193,11 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 						MangaTag(
 							title = it,
 							key = it,
-							source = source
+							source = source,
 						)
 					}
 					.orEmpty(),
-				state = when(document.selectFirst("div:contains(status) span")?.text()) {
+				state = when (document.selectFirst("div:contains(status) span")?.text()) {
 					"Ongoing" -> ONGOING
 					"Complete" -> FINISHED
 					"Canceled" -> ABANDONED
@@ -207,7 +207,7 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 				author = document.select("div:contains(author) a").eachText().joinToString(),
 				largeCoverUrl = null,
 				chapters = null,
-				source = source
+				source = source,
 			)
 		}
 	}
@@ -237,7 +237,7 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 				MangaTag(
 					title = it.text(),
 					key = it.text(),
-					source = source
+					source = source,
 				)
 			},
 			state = when (sectionLeft.selectFirst("ul > li:has(strong:contains(Status)) > a")?.text()) {
@@ -259,12 +259,12 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 					abbr.selectFirst("a")?.attr("href")?.let { url ->
 						val a = Element("a")
 							.text(
-								abbr.attr("title")
+								abbr.attr("title"),
 							)
 							.attr("href", url)
 
 						ul.appendChild(
-							Element("li").appendChild(a)
+							Element("li").appendChild(a),
 						)
 					}
 				}
@@ -276,7 +276,7 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 
 			}.outerHtml(),
 			chapters = chapters.await(),
-			source = source
+			source = source,
 		)
 	}
 
@@ -308,10 +308,10 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 					else -> null
 				},
 				uploadDate = dateFormat.tryParse(
-					element.selectFirst("time[datetime]")?.attr("datetime")
+					element.selectFirst("time[datetime]")?.attr("datetime"),
 				),
 				branch = null,
-				source = source
+				source = source,
 			)
 		}
 	}
@@ -336,7 +336,7 @@ internal class WeebCentral(context: MangaLoaderContext) : MangaParser(context, M
 				id = generateUid(pageUrl),
 				url = pageUrl,
 				preview = null,
-				source = source
+				source = source,
 			)
 		}
 	}

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangabox/MangaboxParser.kt

@@ -46,11 +46,29 @@ internal abstract class MangaboxParser(
 
 	override val searchQueryCapabilities: MangaSearchQueryCapabilities
 		get() = MangaSearchQueryCapabilities(
-			capabilities = setOf(
-				SearchCapability(field = TAG, criteriaTypes = setOf(Include::class, Exclude::class), multiValue = true, otherCriteria = true),
-				SearchCapability(field = TITLE_NAME, criteriaTypes = setOf(Match::class), multiValue = false, otherCriteria = true),
-				SearchCapability(field = STATE, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true),
-				SearchCapability(field = AUTHOR, criteriaTypes = setOf(Include::class), multiValue = false, otherCriteria = false),
+			SearchCapability(
+				field = TAG,
+				criteriaTypes = setOf(Include::class, Exclude::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = TITLE_NAME,
+				criteriaTypes = setOf(Match::class),
+				multiValue = false,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = STATE,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = AUTHOR,
+				criteriaTypes = setOf(Include::class),
+				multiValue = false,
+				otherCriteria = false,
 			),
 		)
 
@@ -94,12 +112,14 @@ internal abstract class MangaboxParser(
 			MangaState.FINISHED -> "completed"
 			else -> ""
 		}
+
 		is SortOrder -> when (this) {
 			SortOrder.ALPHABETICAL -> "az"
 			SortOrder.NEWEST -> "newest"
 			SortOrder.POPULARITY -> "topview"
 			else -> ""
 		}
+
 		else -> this.toString().replace(" ", "_").urlEncoded()
 	}
 
@@ -115,17 +135,18 @@ internal abstract class MangaboxParser(
 		Regex("[^/]+\$", RegexOption.IGNORE_CASE)
 	}
 
-	override suspend fun searchPageManga(searchQuery: MangaSearchQuery): List<Manga> {
+	override suspend fun getListPage(query: MangaSearchQuery, page: Int): List<Manga> {
 		var authorSearchUrl: String? = null
 		val url = buildString {
-			val pageQueryParameter = "page=${searchQuery.offset ?: 0}"
+			val pageQueryParameter = "page=$page"
 			append("https://${domain}${listUrl}/?s=all")
 
-			searchQuery.criteria.forEach { criterion ->
+			query.criteria.forEach { criterion ->
 				when (criterion) {
 					is Include<*> -> {
 						if (criterion.field == AUTHOR) {
-							criterion.values.firstOrNull()?.toQueryParam()?.takeIf { it.isNotBlank() }?.let { authorKey ->
+							criterion.values.firstOrNull()?.toQueryParam()?.takeIf { it.isNotBlank() }
+								?.let { authorKey ->
 									authorSearchUrl = "https://${domain}${authorUrl}/${authorKey}/?$pageQueryParameter"
 								}
 						}
@@ -134,12 +155,15 @@ internal abstract class MangaboxParser(
 							append("&$param=${criterion.values.joinToString("_") { it.toQueryParam() }}")
 						}
 					}
+
 					is Exclude<*> -> {
 						append("&g_e=${criterion.values.joinToString("_") { it.toQueryParam() }}")
 					}
+
 					is Match<*> -> {
 						appendCriterion(criterion.field, criterion.value)
 					}
+
 					else -> {
 						// Not supported
 					}
@@ -147,7 +171,7 @@ internal abstract class MangaboxParser(
 			}
 
 			append("&${pageQueryParameter}")
-			append("&orby=${(searchQuery.order ?: defaultSortOrder).toQueryParam()}")
+			append("&orby=${(query.order ?: defaultSortOrder).toQueryParam()}")
 		}
 
 		val doc = webClient.httpGet(authorSearchUrl ?: url).parseHtml()
@@ -174,7 +198,7 @@ internal abstract class MangaboxParser(
 	}
 
 	override suspend fun getListPage(page: Int, order: SortOrder, filter: MangaListFilter): List<Manga> {
-		return searchManga(convertToMangaSearchQuery(page, order, filter))
+		return queryManga(convertToMangaSearchQuery(page, order, filter))
 	}
 
 	protected open val selectTagMap = "div.panel-genres-list a:not(.genres-select)"
@@ -215,7 +239,7 @@ internal abstract class MangaboxParser(
 		val alt = doc.body().select(selectAlt).text().replace("Alternative : ", "").nullIfEmpty()
 		val authors = doc.body().select(selectAut).mapToSet {
 			MangaTag(
-				key = it.attribute("href").value.find(authorKeyRegex)?: it.text(),
+				key = it.attribute("href").value.find(authorKeyRegex) ?: it.text(),
 				title = it.text(),
 				source = source,
 			)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangabox/en/Mangairo.kt

@@ -6,9 +6,11 @@ import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.config.ConfigKey
 import org.koitharu.kotatsu.parsers.model.*
-import org.koitharu.kotatsu.parsers.model.search.*
+import org.koitharu.kotatsu.parsers.model.search.MangaSearchQuery
+import org.koitharu.kotatsu.parsers.model.search.MangaSearchQueryCapabilities
 import org.koitharu.kotatsu.parsers.model.search.QueryCriteria.Include
 import org.koitharu.kotatsu.parsers.model.search.QueryCriteria.Match
+import org.koitharu.kotatsu.parsers.model.search.SearchCapability
 import org.koitharu.kotatsu.parsers.model.search.SearchableField.*
 import org.koitharu.kotatsu.parsers.site.mangabox.MangaboxParser
 import org.koitharu.kotatsu.parsers.util.*
@@ -44,10 +46,23 @@ internal class Mangairo(context: MangaLoaderContext) :
 
 	override val searchQueryCapabilities: MangaSearchQueryCapabilities
 		get() = MangaSearchQueryCapabilities(
-			capabilities = setOf(
-				SearchCapability(field = TAG, criteriaTypes = setOf(Include::class), multiValue = false, otherCriteria = true),
-				SearchCapability(field = TITLE_NAME, criteriaTypes = setOf(Match::class), multiValue = false, otherCriteria = false),
-				SearchCapability(field = STATE, criteriaTypes = setOf(Include::class), multiValue = false, otherCriteria = true),
+			SearchCapability(
+				field = TAG,
+				criteriaTypes = setOf(Include::class),
+				multiValue = false,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = TITLE_NAME,
+				criteriaTypes = setOf(Match::class),
+				multiValue = false,
+				otherCriteria = false,
+			),
+			SearchCapability(
+				field = STATE,
+				criteriaTypes = setOf(Include::class),
+				multiValue = false,
+				otherCriteria = true,
 			),
 		)
 
@@ -59,25 +74,27 @@ internal class Mangairo(context: MangaLoaderContext) :
 			MangaState.FINISHED -> "completed"
 			else -> "all"
 		}
+
 		is SortOrder -> when (this) {
 			SortOrder.POPULARITY -> "topview"
 			SortOrder.UPDATED -> "latest"
 			SortOrder.NEWEST -> "newest"
 			else -> "latest"
 		}
+
 		else -> this.toString().urlEncoded()
 	}
 
-	override suspend fun searchPageManga(searchQuery: MangaSearchQuery): List<Manga> {
+	override suspend fun getListPage(query: MangaSearchQuery, page: Int): List<Manga> {
 		var titleSearchUrl: String? = null
 		var category = "all"
 		var state = "all"
 
 		val url = buildString {
 			append("https://${domain}${listUrl}")
-			append("/type-${(searchQuery.order ?: defaultSortOrder).toQueryParam()}")
+			append("/type-${(query.order ?: defaultSortOrder).toQueryParam()}")
 
-			searchQuery.criteria.forEach { criterion ->
+			query.criteria.forEach { criterion ->
 				when (criterion) {
 					is Include<*> -> {
 						when (criterion.field) {
@@ -86,14 +103,16 @@ internal class Mangairo(context: MangaLoaderContext) :
 							else -> Unit
 						}
 					}
+
 					is Match<*> -> {
 						if (criterion.field == TITLE_NAME) {
 							criterion.value.toQueryParam().takeIf { it.isNotBlank() }?.let { titleName ->
 								titleSearchUrl = "https://${domain}${searchUrl}${titleName}/" +
-									"?page=${searchQuery.offset ?: 0}"
+									"?page=${query.offset}"
 							}
 						}
 					}
+
 					else -> {
 						// Not supported
 					}
@@ -101,7 +120,7 @@ internal class Mangairo(context: MangaLoaderContext) :
 			}
 			append("/ctg-$category")
 			append("/state-$state")
-			append("/page-${searchQuery.offset ?: 0}")
+			append("/page-$page")
 		}
 
 		val doc = webClient.httpGet(titleSearchUrl ?: url).parseHtml()

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangabox/en/Mangakakalot.kt

@@ -31,10 +31,23 @@ internal class Mangakakalot(context: MangaLoaderContext) :
 
 	override val searchQueryCapabilities: MangaSearchQueryCapabilities
 		get() = MangaSearchQueryCapabilities(
-			capabilities = setOf(
-				SearchCapability(field = TAG, criteriaTypes = setOf(Include::class), multiValue = false, otherCriteria = true),
-				SearchCapability(field = TITLE_NAME, criteriaTypes = setOf(Match::class), multiValue = false, otherCriteria = false),
-				SearchCapability(field = STATE, criteriaTypes = setOf(Include::class), multiValue = false, otherCriteria = true),
+			SearchCapability(
+				field = TAG,
+				criteriaTypes = setOf(Include::class),
+				multiValue = false,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = TITLE_NAME,
+				criteriaTypes = setOf(Match::class),
+				multiValue = false,
+				otherCriteria = false,
+			),
+			SearchCapability(
+				field = STATE,
+				criteriaTypes = setOf(Include::class),
+				multiValue = false,
+				otherCriteria = true,
 			),
 		)
 
@@ -53,18 +66,21 @@ internal class Mangakakalot(context: MangaLoaderContext) :
 				.replace(" ", "_")
 				.urlEncoded()
 		}
+
 		is MangaTag -> key
 		is MangaState -> when (this) {
 			MangaState.ONGOING -> "ongoing"
 			MangaState.FINISHED -> "completed"
 			else -> "all"
 		}
+
 		is SortOrder -> when (this) {
 			SortOrder.POPULARITY -> "topview"
 			SortOrder.UPDATED -> "latest"
 			SortOrder.NEWEST -> "newest"
 			else -> ""
 		}
+
 		else -> this.toString().replace(" ", "_").urlEncoded()
 	}
 
@@ -80,19 +96,20 @@ internal class Mangakakalot(context: MangaLoaderContext) :
 		Regex("[^A-Za-z0-9 ]")
 	}
 
-	override suspend fun searchPageManga(searchQuery: MangaSearchQuery): List<Manga> {
+	override suspend fun getListPage(query: MangaSearchQuery, page: Int): List<Manga> {
 		var titleSearchUrl: String? = null
 		val url = buildString {
-			val pageQueryParameter = "page=${searchQuery.offset ?: 0}"
+			val pageQueryParameter = "page=$page"
 			append("https://$domain/?")
 
-			searchQuery.criteria.forEach { criterion ->
+			query.criteria.forEach { criterion ->
 				when (criterion) {
 					is Include<*> -> {
 						criterion.field.toParamName().takeIf { it.isNotBlank() }?.let { param ->
 							append("&$param=${criterion.values.first().toQueryParam()}")
 						}
 					}
+
 					is Match<*> -> {
 						if (criterion.field == TITLE_NAME) {
 							criterion.value.toQueryParam().takeIf { it.isNotBlank() }?.let { titleName ->
@@ -102,6 +119,7 @@ internal class Mangakakalot(context: MangaLoaderContext) :
 						}
 						appendCriterion(criterion.field, criterion.value)
 					}
+
 					else -> {
 						// Not supported
 					}
@@ -109,7 +127,7 @@ internal class Mangakakalot(context: MangaLoaderContext) :
 			}
 
 			append("&$pageQueryParameter")
-			append("&type=${(searchQuery.order ?: defaultSortOrder).toQueryParam()}")
+			append("&type=${(query.order ?: defaultSortOrder).toQueryParam()}")
 		}
 
 		val doc = webClient.httpGet(titleSearchUrl ?: url).parseHtml()

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangabox/en/MangakakalotTv.kt

@@ -35,10 +35,23 @@ internal class MangakakalotTv(context: MangaLoaderContext) :
 
 	override val searchQueryCapabilities: MangaSearchQueryCapabilities
 		get() = MangaSearchQueryCapabilities(
-			capabilities = setOf(
-				SearchCapability(field = TAG, criteriaTypes = setOf(Include::class), multiValue = false, otherCriteria = true),
-				SearchCapability(field = TITLE_NAME, criteriaTypes = setOf(Match::class), multiValue = false, otherCriteria = false),
-				SearchCapability(field = STATE, criteriaTypes = setOf(Include::class), multiValue = false, otherCriteria = true),
+			SearchCapability(
+				field = TAG,
+				criteriaTypes = setOf(Include::class),
+				multiValue = false,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = TITLE_NAME,
+				criteriaTypes = setOf(Match::class),
+				multiValue = false,
+				otherCriteria = false,
+			),
+			SearchCapability(
+				field = STATE,
+				criteriaTypes = setOf(Include::class),
+				multiValue = false,
+				otherCriteria = true,
 			),
 		)
 
@@ -56,12 +69,14 @@ internal class MangakakalotTv(context: MangaLoaderContext) :
 			MangaState.FINISHED -> "completed"
 			else -> "all"
 		}
+
 		is SortOrder -> when (this) {
 			SortOrder.POPULARITY -> "topview"
 			SortOrder.UPDATED -> "latest"
 			SortOrder.NEWEST -> "newest"
 			else -> ""
 		}
+
 		else -> this.toString().urlEncoded()
 	}
 
@@ -73,19 +88,20 @@ internal class MangakakalotTv(context: MangaLoaderContext) :
 		}
 	}
 
-	override suspend fun searchPageManga(searchQuery: MangaSearchQuery): List<Manga> {
+	override suspend fun getListPage(query: MangaSearchQuery, page: Int): List<Manga> {
 		var titleSearchUrl: String? = null
 		val url = buildString {
-			val pageQueryParameter = "page=${searchQuery.offset ?: 0}"
+			val pageQueryParameter = "page=$page"
 			append("https://$domain/?")
 
-			searchQuery.criteria.forEach { criterion ->
+			query.criteria.forEach { criterion ->
 				when (criterion) {
 					is Include<*> -> {
 						criterion.field.toParamName().takeIf { it.isNotBlank() }?.let { param ->
 							append("&$param=${criterion.values.first().toQueryParam()}")
 						}
 					}
+
 					is Match<*> -> {
 						if (criterion.field == TITLE_NAME) {
 							criterion.value.toQueryParam().takeIf { it.isNotBlank() }?.let { titleName ->
@@ -95,6 +111,7 @@ internal class MangakakalotTv(context: MangaLoaderContext) :
 						}
 						appendCriterion(criterion.field, criterion.value)
 					}
+
 					else -> {
 						// Not supported
 					}
@@ -102,7 +119,7 @@ internal class MangakakalotTv(context: MangaLoaderContext) :
 			}
 
 			append("&$pageQueryParameter")
-			append("&type=${(searchQuery.order ?: defaultSortOrder).toQueryParam()}")
+			append("&type=${(query.order ?: defaultSortOrder).toQueryParam()}")
 		}
 
 		val doc = webClient.httpGet(titleSearchUrl ?: url).parseHtml()

src/main/kotlin/org/koitharu/kotatsu/parsers/util/SearchQueryConverter.kt

@@ -1,9 +1,15 @@
 package org.koitharu.kotatsu.parsers.util
 
 import org.koitharu.kotatsu.parsers.InternalParsersApi
-import org.koitharu.kotatsu.parsers.model.*
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
+import org.koitharu.kotatsu.parsers.model.MangaListFilterCapabilities
+import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.parsers.model.YEAR_UNKNOWN
 import org.koitharu.kotatsu.parsers.model.search.MangaSearchQuery
+import org.koitharu.kotatsu.parsers.model.search.MangaSearchQueryCapabilities
 import org.koitharu.kotatsu.parsers.model.search.QueryCriteria
+import org.koitharu.kotatsu.parsers.model.search.QueryCriteria.*
+import org.koitharu.kotatsu.parsers.model.search.SearchCapability
 import org.koitharu.kotatsu.parsers.model.search.SearchableField.*
 
 /**
@@ -20,26 +26,26 @@ public fun convertToMangaSearchQuery(offset: Int, sortOrder: SortOrder, filter:
 	return MangaSearchQuery.Builder().apply {
 		offset(offset)
 		order(sortOrder)
-		if (filter.tags.isNotEmpty()) criterion(QueryCriteria.Include(TAG, filter.tags))
-		if (filter.tagsExclude.isNotEmpty()) criterion(QueryCriteria.Exclude(TAG, filter.tagsExclude))
-		if (filter.states.isNotEmpty()) criterion(QueryCriteria.Include(STATE, filter.states))
-		if (filter.types.isNotEmpty()) criterion(QueryCriteria.Include(CONTENT_TYPE, filter.types))
-		if (filter.contentRating.isNotEmpty()) criterion(QueryCriteria.Include(CONTENT_RATING, filter.contentRating))
-		if (filter.demographics.isNotEmpty()) criterion(QueryCriteria.Include(DEMOGRAPHIC, filter.demographics))
+		if (filter.tags.isNotEmpty()) criterion(Include(TAG, filter.tags))
+		if (filter.tagsExclude.isNotEmpty()) criterion(Exclude(TAG, filter.tagsExclude))
+		if (filter.states.isNotEmpty()) criterion(Include(STATE, filter.states))
+		if (filter.types.isNotEmpty()) criterion(Include(CONTENT_TYPE, filter.types))
+		if (filter.contentRating.isNotEmpty()) criterion(Include(CONTENT_RATING, filter.contentRating))
+		if (filter.demographics.isNotEmpty()) criterion(Include(DEMOGRAPHIC, filter.demographics))
 		if (validateYear(filter.yearFrom) || validateYear(filter.yearTo)) {
 			criterion(QueryCriteria.Range(PUBLICATION_YEAR, filter.yearFrom, filter.yearTo))
 		}
 		if (validateYear(filter.year)) {
-			criterion(QueryCriteria.Match(PUBLICATION_YEAR, filter.year))
+			criterion(Match(PUBLICATION_YEAR, filter.year))
 		}
-		filter.locale?.takeIf { it != null }?.let {
-			criterion(QueryCriteria.Include(LANGUAGE, setOf(it)))
+		filter.locale?.let {
+			criterion(Include(LANGUAGE, setOf(it)))
 		}
-		filter.originalLocale?.takeIf { it != null }?.let {
-			criterion(QueryCriteria.Include(ORIGINAL_LANGUAGE, setOf(it)))
+		filter.originalLocale?.let {
+			criterion(Include(ORIGINAL_LANGUAGE, setOf(it)))
 		}
 		filter.query?.takeIf { it.isNotBlank() }?.let {
-			criterion(QueryCriteria.Match(TITLE_NAME, it))
+			criterion(Match(TITLE_NAME, it))
 		}
 	}.build()
 }
@@ -74,16 +80,99 @@ public fun convertToMangaListFilter(searchQuery: MangaSearchQuery): MangaListFil
 	return MangaListFilter.Builder().apply {
 		for (criterion in searchQuery.criteria) {
 			when (criterion) {
-				is QueryCriteria.Include<*> -> handleInclude(this, criterion)
-				is QueryCriteria.Exclude<*> -> handleExclude(this, criterion)
-				is QueryCriteria.Range<*> -> handleBetween(this, criterion)
-				is QueryCriteria.Match<*> -> handleMatch(this, criterion)
+				is Include<*> -> handleInclude(this, criterion)
+				is Exclude<*> -> handleExclude(this, criterion)
+				is Range<*> -> handleBetween(this, criterion)
+				is Match<*> -> handleMatch(this, criterion)
 			}
 		}
 	}.build()
 }
 
-private fun handleInclude(builder: MangaListFilter.Builder, criterion: QueryCriteria.Include<*>) {
+internal fun MangaListFilterCapabilities.toMangaSearchQueryCapabilities(): MangaSearchQueryCapabilities =
+	MangaSearchQueryCapabilities(
+		capabilities = setOfNotNull(
+			isMultipleTagsSupported.takeIf { it }?.let {
+				SearchCapability(
+					field = TAG, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true,
+				)
+			},
+			isTagsExclusionSupported.takeIf { it }?.let {
+				SearchCapability(
+					field = TAG, criteriaTypes = setOf(Exclude::class), multiValue = true, otherCriteria = true,
+				)
+			},
+			isSearchSupported.takeIf { it }?.let {
+				SearchCapability(
+					field = TITLE_NAME,
+					criteriaTypes = setOf(Match::class),
+					multiValue = false,
+					otherCriteria = false,
+				)
+			},
+			isSearchWithFiltersSupported.takeIf { it }?.let {
+				SearchCapability(
+					field = TITLE_NAME,
+					criteriaTypes = setOf(Match::class),
+					multiValue = false,
+					otherCriteria = true,
+				)
+			},
+			isYearSupported.takeIf { it }?.let {
+				SearchCapability(
+					field = PUBLICATION_YEAR,
+					criteriaTypes = setOf(Match::class),
+					multiValue = false,
+					otherCriteria = true,
+				)
+			},
+			isYearRangeSupported.takeIf { it }?.let {
+				SearchCapability(
+					field = PUBLICATION_YEAR,
+					criteriaTypes = setOf(Range::class),
+					multiValue = false,
+					otherCriteria = true,
+				)
+			},
+			isOriginalLocaleSupported.takeIf { it }?.let {
+				SearchCapability(
+					field = ORIGINAL_LANGUAGE,
+					criteriaTypes = setOf(Include::class),
+					multiValue = true,
+					otherCriteria = true,
+				)
+			},
+			SearchCapability(
+				field = LANGUAGE,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = STATE, criteriaTypes = setOf(Include::class), multiValue = true, otherCriteria = true,
+			),
+			SearchCapability(
+				field = CONTENT_TYPE,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = CONTENT_RATING,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+			SearchCapability(
+				field = DEMOGRAPHIC,
+				criteriaTypes = setOf(Include::class),
+				multiValue = true,
+				otherCriteria = true,
+			),
+		),
+	)
+
+private fun handleInclude(builder: MangaListFilter.Builder, criterion: Include<*>) {
 	val type = criterion.field.type
 
 	when (criterion.field) {
@@ -94,20 +183,20 @@ private fun handleInclude(builder: MangaListFilter.Builder, criterion: QueryCrit
 		DEMOGRAPHIC -> builder.addDemographics(filterValues(criterion, type))
 		LANGUAGE -> builder.locale(getFirstValue(criterion, type))
 		ORIGINAL_LANGUAGE -> builder.originalLocale(getFirstValue(criterion, type))
-		else -> throw UnsupportedOperationException("Unsupported field for Include criterion: ${criterion.field}")
+		else -> throw IllegalArgumentException("Unsupported field for Include criterion: ${criterion.field}")
 	}
 }
 
-private fun handleExclude(builder: MangaListFilter.Builder, criterion: QueryCriteria.Exclude<*>) {
+private fun handleExclude(builder: MangaListFilter.Builder, criterion: Exclude<*>) {
 	val type = criterion.field.type
 
 	when (criterion.field) {
 		TAG -> builder.excludeTags(filterValues(criterion, type))
-		else -> throw UnsupportedOperationException("Unsupported field for Exclude criterion: ${criterion.field}")
+		else -> throw IllegalArgumentException("Unsupported field for Exclude criterion: ${criterion.field}")
 	}
 }
 
-private fun handleBetween(builder: MangaListFilter.Builder, criterion: QueryCriteria.Range<*>) {
+private fun handleBetween(builder: MangaListFilter.Builder, criterion: Range<*>) {
 	val type = criterion.field.type
 
 	when (criterion.field) {
@@ -115,32 +204,33 @@ private fun handleBetween(builder: MangaListFilter.Builder, criterion: QueryCrit
 			builder.yearFrom(getValue(criterion.from, type, YEAR_UNKNOWN))
 			builder.yearTo(getValue(criterion.to, type, YEAR_UNKNOWN))
 		}
-		else -> throw UnsupportedOperationException("Unsupported field for Between criterion: ${criterion.field}")
+
+		else -> throw IllegalArgumentException("Unsupported field for Between criterion: ${criterion.field}")
 	}
 }
 
-private fun handleMatch(builder: MangaListFilter.Builder, criterion: QueryCriteria.Match<*>) {
+private fun handleMatch(builder: MangaListFilter.Builder, criterion: Match<*>) {
 	val type = criterion.field.type
 
 	when (criterion.field) {
 		TITLE_NAME -> builder.query(getValue(criterion.value, type, ""))
 		PUBLICATION_YEAR -> builder.year(getValue(criterion.value, type, YEAR_UNKNOWN))
-		else -> throw UnsupportedOperationException("Unsupported field for Match criterion: ${criterion.field}")
+		else -> throw IllegalArgumentException("Unsupported field for Match criterion: ${criterion.field}")
 	}
 }
 
 @Suppress("UNCHECKED_CAST")
-private fun <T> filterValues(criterion: QueryCriteria.Include<*>, type: Class<*>): List<T> {
+private fun <T> filterValues(criterion: Include<*>, type: Class<*>): List<T> {
 	return criterion.values.filter { type.isInstance(it) } as List<T>
 }
 
 @Suppress("UNCHECKED_CAST")
-private fun <T> filterValues(criterion: QueryCriteria.Exclude<*>, type: Class<*>): List<T> {
+private fun <T> filterValues(criterion: Exclude<*>, type: Class<*>): List<T> {
 	return criterion.values.filter { type.isInstance(it) } as List<T>
 }
 
 @Suppress("UNCHECKED_CAST")
-private fun <T> getFirstValue(criterion: QueryCriteria.Include<*>, type: Class<*>): T? {
+private fun <T> getFirstValue(criterion: Include<*>, type: Class<*>): T? {
 	return criterion.values.firstOrNull { type.isInstance(it) } as? T
 }
 
@@ -151,4 +241,4 @@ private fun <T> getValue(value: Any?, type: Class<*>, default: T): T {
 	return if (type.isInstance(value) || isCompatibleIntType) value as T else default
 }
 
-private fun validateYear(year: Int) = year != null && year != YEAR_UNKNOWN
+private fun validateYear(year: Int) = year != YEAR_UNKNOWN

src/test/kotlin/org/koitharu/kotatsu/parsers/MangaParserTest.kt

@@ -38,8 +38,9 @@ internal class MangaParserTest {
 		if (parser is SinglePageMangaParser) {
 			return@runTest
 		}
-		val page1 = parser.searchManga(MangaSearchQuery.builder().offset(0).order(parser.defaultSortOrder).build())
-		val page2 = parser.searchManga(MangaSearchQuery.builder().offset(page1.size).order(parser.defaultSortOrder).build())
+		val page1 = parser.queryManga(MangaSearchQuery.Builder().offset(0).order(parser.defaultSortOrder).build())
+		val page2 =
+			parser.queryManga(MangaSearchQuery.Builder().offset(page1.size).order(parser.defaultSortOrder).build())
 		if (parser is PagedMangaParser) {
 			assert(parser.pageSize >= page1.size) {
 				"Page size is ${page1.size} but ${parser.pageSize} expected"
@@ -58,19 +59,19 @@ internal class MangaParserTest {
 	@MangaSources
 	fun searchByTitleName(source: MangaParserSource) = runTest(timeout = timeout) {
 		val parser = context.newParserInstance(source)
-		val subject = parser.searchManga(
-			MangaSearchQuery.builder()
+		val subject = parser.queryManga(
+			MangaSearchQuery.Builder()
 				.offset(0)
 				.order(parser.defaultSortOrder)
-				.build()
+				.build(),
 		).minByOrNull {
 			it.title.length
 		} ?: error("No manga found")
 
 		val query = subject.title
 		check(query.isNotBlank()) { "Manga title '$query' is blank" }
-		val list = parser.searchManga(
-			MangaSearchQuery.builder()
+		val list = parser.queryManga(
+			MangaSearchQuery.Builder()
 				.order(SortOrder.RELEVANCE)
 				.criterion(QueryCriteria.Match(TITLE_NAME, query))
 				.build(),
@@ -102,8 +103,8 @@ internal class MangaParserTest {
 		assert(tags.all { it.source == source })
 
 		val tag = tags.last()
-		val list = parser.searchManga(
-			MangaSearchQuery.builder()
+		val list = parser.queryManga(
+			MangaSearchQuery.Builder()
 				.offset(0)
 				.order(parser.defaultSortOrder)
 				.criterion(Include(TAG, setOf(tag)))
@@ -120,8 +121,8 @@ internal class MangaParserTest {
 		if (!parser.filterCapabilities.isMultipleTagsSupported) return@runTest
 		val tags = parser.getFilterOptions().availableTags.shuffled().take(2).toSet()
 
-		val list = parser.searchManga(
-			MangaSearchQuery.builder()
+		val list = parser.queryManga(
+			MangaSearchQuery.Builder()
 				.offset(0)
 				.order(parser.defaultSortOrder)
 				.criterion(Include(TAG, tags))
@@ -141,8 +142,8 @@ internal class MangaParserTest {
 			return@runTest
 		}
 		val locale = locales.random()
-		val list = parser.searchManga(
-			MangaSearchQuery.builder()
+		val list = parser.queryManga(
+			MangaSearchQuery.Builder()
 				.offset(0)
 				.order(parser.defaultSortOrder)
 				.criterion(Include(LANGUAGE, setOf(locale)))
@@ -159,7 +160,7 @@ internal class MangaParserTest {
 	@MangaSources
 	fun details(source: MangaParserSource) = runTest(timeout = timeout) {
 		val parser = context.newParserInstance(source)
-		val list = parser.searchManga(MangaSearchQuery.builder().offset(0).order(parser.defaultSortOrder).build())
+		val list = parser.queryManga(MangaSearchQuery.Builder().offset(0).order(parser.defaultSortOrder).build())
 
 		val manga = list[0]
 		parser.getDetails(manga).apply {
@@ -190,7 +191,7 @@ internal class MangaParserTest {
 	@MangaSources
 	fun pages(source: MangaParserSource) = runTest(timeout = timeout) {
 		val parser = context.newParserInstance(source)
-		val list = parser.searchManga(MangaSearchQuery.builder().offset(0).order(parser.defaultSortOrder).build())
+		val list = parser.queryManga(MangaSearchQuery.Builder().offset(0).order(parser.defaultSortOrder).build())
 		val manga = list.first()
 		val chapter = parser.getDetails(manga).chapters?.firstOrNull() ?: error("Chapter is null at ${manga.publicUrl}")
 		val pages = parser.getPages(chapter)
@@ -245,7 +246,8 @@ internal class MangaParserTest {
 	@MangaSources
 	fun link(source: MangaParserSource) = runTest(timeout = timeout) {
 		val parser = context.newParserInstance(source)
-		val manga = parser.searchManga(MangaSearchQuery.builder().offset(0).order(parser.defaultSortOrder).build()).first()
+		val manga =
+			parser.queryManga(MangaSearchQuery.Builder().offset(0).order(parser.defaultSortOrder).build()).first()
 		val resolved = context.newLinkResolver(manga.publicUrl).getManga()
 		Assertions.assertNotNull(resolved)
 		resolved ?: return@runTest

src/test/kotlin/org/koitharu/kotatsu/parsers/model/search/MangaSearchQueryTest.kt

@@ -8,7 +8,7 @@ import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.parsers.model.search.QueryCriteria.*
 import org.koitharu.kotatsu.parsers.model.search.SearchableField.*
-import java.util.Locale
+import java.util.*
 
 class MangaSearchQueryCapabilitiesTest {
 
@@ -18,12 +18,12 @@ class MangaSearchQueryCapabilitiesTest {
 			SearchCapability(TAG, setOf(Include::class, Exclude::class), multiValue = true, otherCriteria = true),
 			SearchCapability(PUBLICATION_YEAR, setOf(Range::class), multiValue = false, otherCriteria = true),
 			SearchCapability(STATE, setOf(Include::class), multiValue = false, otherCriteria = true),
-		)
+		),
 	)
 
 	@Test
 	fun validateValidSingleCriterionQuery() {
-		val query = MangaSearchQuery.builder()
+		val query = MangaSearchQuery.Builder()
 			.criterion(Match(TITLE_NAME, "title"))
 			.build()
 
@@ -32,7 +32,7 @@ class MangaSearchQueryCapabilitiesTest {
 
 	@Test
 	fun validateUnsupportedFieldThrowsException() {
-		val query = MangaSearchQuery.builder()
+		val query = MangaSearchQuery.Builder()
 			.criterion(Include(ORIGINAL_LANGUAGE, setOf(Locale.ENGLISH)))
 			.build()
 
@@ -41,7 +41,7 @@ class MangaSearchQueryCapabilitiesTest {
 
 	@Test
 	fun validateUnsupportedMultiValueThrowsException() {
-		val query = MangaSearchQuery.builder()
+		val query = MangaSearchQuery.Builder()
 			.criterion(Include(STATE, setOf(MangaState.ONGOING, MangaState.FINISHED)))
 			.build()
 
@@ -50,7 +50,7 @@ class MangaSearchQueryCapabilitiesTest {
 
 	@Test
 	fun validateMultipleCriteriaWithOtherCriteriaAllowed() {
-		val query = MangaSearchQuery.builder()
+		val query = MangaSearchQuery.Builder()
 			.criterion(Include(TAG, setOf(buildTag("tag1"), buildTag("tag2"))))
 			.criterion(Exclude(TAG, setOf(buildTag("tag3"))))
 			.build()
@@ -60,7 +60,7 @@ class MangaSearchQueryCapabilitiesTest {
 
 	@Test
 	fun validateMultipleCriteriaWithStrictCapabilityThrowsException() {
-		val query = MangaSearchQuery.builder()
+		val query = MangaSearchQuery.Builder()
 			.criterion(Match(TITLE_NAME, "title"))
 			.criterion(Range(PUBLICATION_YEAR, 1990, 2000))
 			.build()

src/test/kotlin/org/koitharu/kotatsu/parsers/util/ListFilterToSearchQueryConverterTest.kt

@@ -34,12 +34,12 @@ class ListFilterToSearchQueryConverterTest {
 			demographics = demographics,
 			year = 2020,
 			yearFrom = 1997,
-			yearTo = 2024
+			yearTo = 2024,
 		)
 
 		val searchQuery = convertToMangaSearchQuery(0, SortOrder.NEWEST, filter)
 
-		val expectedQuery = MangaSearchQuery.builder()
+		val expectedQuery = MangaSearchQuery.Builder()
 			.offset(0)
 			.order(SortOrder.NEWEST)
 			.criterion(Match(TITLE_NAME, "title_name"))
@@ -64,14 +64,14 @@ class ListFilterToSearchQueryConverterTest {
 
 		val searchQuery = convertToMangaSearchQuery(0, SortOrder.NEWEST, filter)
 
-		assertEquals(MangaSearchQuery.builder().offset(0).order(SortOrder.NEWEST).build(), searchQuery)
+		assertEquals(MangaSearchQuery.Builder().offset(0).order(SortOrder.NEWEST).build(), searchQuery)
 	}
 
 	private fun buildMangaTag(name: String): MangaTag {
 		return MangaTag(
 			key = "${name}Key",
 			title = name,
-			source = MangaParserSource.DUMMY
+			source = MangaParserSource.DUMMY,
 		)
 	}
 }

src/test/kotlin/org/koitharu/kotatsu/parsers/util/SearchQueryToListFilterConverterTest.kt

@@ -3,10 +3,14 @@ package org.koitharu.kotatsu.parsers.util
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.assertThrows
-import org.koitharu.kotatsu.parsers.model.*
-import org.koitharu.kotatsu.parsers.model.ContentType.*
+import org.koitharu.kotatsu.parsers.model.ContentRating
+import org.koitharu.kotatsu.parsers.model.ContentType.MANGA
+import org.koitharu.kotatsu.parsers.model.ContentType.MANHUA
 import org.koitharu.kotatsu.parsers.model.Demographic.SEINEN
-import org.koitharu.kotatsu.parsers.model.search.*
+import org.koitharu.kotatsu.parsers.model.MangaParserSource
+import org.koitharu.kotatsu.parsers.model.MangaState
+import org.koitharu.kotatsu.parsers.model.MangaTag
+import org.koitharu.kotatsu.parsers.model.search.MangaSearchQuery
 import org.koitharu.kotatsu.parsers.model.search.QueryCriteria.*
 import org.koitharu.kotatsu.parsers.model.search.SearchableField.*
 import java.util.*
@@ -22,7 +26,7 @@ class ConvertToMangaListFilterTest {
 		val contentTypes = setOf(MANGA, MANHUA)
 		val demographics = setOf(SEINEN)
 
-		val query = MangaSearchQuery.builder()
+		val query = MangaSearchQuery.Builder()
 			.criterion(Match(TITLE_NAME, "title_name"))
 			.criterion(Include(TAG, tags))
 			.criterion(Exclude(TAG, excludedTags))
@@ -57,7 +61,7 @@ class ConvertToMangaListFilterTest {
 		val tags1 = setOf(buildMangaTag("tag1"), buildMangaTag("tag2"))
 		val tags2 = setOf(buildMangaTag("tag3"), buildMangaTag("tag4"))
 
-		val query = MangaSearchQuery.builder()
+		val query = MangaSearchQuery.Builder()
 			.criterion(Include(TAG, tags1))
 			.criterion(Include(TAG, tags2))
 			.build()
@@ -69,11 +73,11 @@ class ConvertToMangaListFilterTest {
 
 	@Test
 	fun convertToMangaListFilterWithUnsupportedFieldTest() {
-		val query = MangaSearchQuery.builder()
+		val query = MangaSearchQuery.Builder()
 			.criterion(Include(AUTHOR, setOf(buildMangaTag("author"))))
 			.build()
 
-		val exception = assertThrows<UnsupportedOperationException> {
+		val exception = assertThrows<IllegalArgumentException> {
 			convertToMangaListFilter(query)
 		}