Multiple authors support

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Collections.kt

@@ -87,6 +87,10 @@ fun <T, R> Collection<T>.mapSortedByCount(isDescending: Boolean = true, mapper:
 	return sorted.map { it.first }
 }
 
+fun Collection<CharSequence?>.contains(element: CharSequence?, ignoreCase: Boolean): Boolean = any { x ->
+	(x == null && element == null) || (x != null && element != null && x.contains(element, ignoreCase))
+}
+
 fun Collection<CharSequence?>.indexOfContains(element: CharSequence?, ignoreCase: Boolean): Int = indexOfFirst { x ->
 	(x == null && element == null) || (x != null && element != null && x.contains(element, ignoreCase))
 }

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/AuthorSpan.kt

@@ -0,0 +1,29 @@
+package org.koitharu.kotatsu.details.ui
+
+import android.text.Spannable
+import android.text.TextPaint
+import android.text.style.ClickableSpan
+import android.view.View
+import android.widget.TextView
+
+class AuthorSpan(private val listener: OnAuthorClickListener) : ClickableSpan() {
+
+	override fun onClick(widget: View) {
+		val text = (widget as? TextView)?.text as? Spannable ?: return
+		val start = text.getSpanStart(this)
+		val end = text.getSpanEnd(this)
+		val selected = text.substring(start, end).trim()
+		if (selected.isNotEmpty()) {
+			listener.onAuthorClick(selected)
+		}
+	}
+
+	override fun updateDrawState(ds: TextPaint) {
+		ds.setColor(ds.linkColor)
+	}
+
+	fun interface OnAuthorClickListener {
+
+		fun onAuthorClick(author: String)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsActivity.kt

@@ -2,12 +2,15 @@ package org.koitharu.kotatsu.details.ui
 
 import android.content.Context
 import android.os.Bundle
+import android.text.SpannedString
 import android.view.Gravity
 import android.view.View
 import android.view.ViewGroup
 import android.view.ViewTreeObserver
 import android.widget.Toast
 import androidx.activity.viewModels
+import androidx.core.text.buildSpannedString
+import androidx.core.text.inSpans
 import androidx.core.text.method.LinkMovementMethodCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.isGone
@@ -118,7 +121,7 @@ class DetailsActivity :
 	View.OnClickListener,
 	View.OnLayoutChangeListener, ViewTreeObserver.OnDrawListener,
 	ChipsView.OnChipClickListener, OnListItemClickListener<Bookmark>,
-	SwipeRefreshLayout.OnRefreshListener {
+	SwipeRefreshLayout.OnRefreshListener, AuthorSpan.OnAuthorClickListener {
 
 	@Inject
 	lateinit var shortcutManager: AppShortcutManager
@@ -138,7 +141,6 @@ class DetailsActivity :
 		supportActionBar?.setDisplayShowTitleEnabled(false)
 		viewBinding.chipFavorite.setOnClickListener(this)
 		infoBinding.textViewLocal.setOnClickListener(this)
-		infoBinding.textViewAuthor.setOnClickListener(this)
 		infoBinding.textViewSource.setOnClickListener(this)
 		viewBinding.imageViewCover.setOnClickListener(this)
 		viewBinding.textViewTitle.setOnClickListener(this)
@@ -148,6 +150,7 @@ class DetailsActivity :
 		viewBinding.textViewDescription.addOnLayoutChangeListener(this)
 		viewBinding.swipeRefreshLayout.setOnRefreshListener(this)
 		viewBinding.textViewDescription.viewTreeObserver.addOnDrawListener(this)
+		infoBinding.textViewAuthor.movementMethod = LinkMovementMethodCompat.getInstance()
 		viewBinding.textViewDescription.movementMethod = LinkMovementMethodCompat.getInstance()
 		viewBinding.chipsTags.onChipClickListener = this
 		TitleScrollCoordinator(viewBinding.textViewTitle).attach(viewBinding.scrollView)
@@ -199,29 +202,23 @@ class DetailsActivity :
 
 	override fun onClick(v: View) {
 		when (v.id) {
-			R.id.textView_author -> {
-				val manga = viewModel.manga.value
-				val author = manga?.author ?: return
-				router.showAuthorDialog(author, manga.source)
-			}
-
 			R.id.textView_source -> {
-				val manga = viewModel.manga.value ?: return
+				val manga = viewModel.getMangaOrNull() ?: return
 				router.openList(manga.source, null, null)
 			}
 
 			R.id.textView_local -> {
-				val manga = viewModel.manga.value ?: return
+				val manga = viewModel.getMangaOrNull() ?: return
 				router.showLocalInfoDialog(manga)
 			}
 
 			R.id.chip_favorite -> {
-				val manga = viewModel.manga.value ?: return
+				val manga = viewModel.getMangaOrNull() ?: return
 				router.showFavoriteDialog(manga)
 			}
 
 			R.id.imageView_cover -> {
-				val manga = viewModel.manga.value ?: return
+				val manga = viewModel.getMangaOrNull() ?: return
 				router.openImage(
 					url = viewModel.coverUrl.value ?: return,
 					source = manga.source,
@@ -245,17 +242,17 @@ class DetailsActivity :
 			}
 
 			R.id.button_scrobbling_more -> {
-				val manga = viewModel.manga.value ?: return
+				val manga = viewModel.getMangaOrNull() ?: return
 				router.showScrobblingSelectorSheet(manga, null)
 			}
 
 			R.id.button_related_more -> {
-				val manga = viewModel.manga.value ?: return
+				val manga = viewModel.getMangaOrNull() ?: return
 				router.openRelated(manga)
 			}
 
 			R.id.textView_title -> {
-				val title = viewModel.manga.value?.title?.nullIfEmpty() ?: return
+				val title = viewModel.getMangaOrNull()?.title?.nullIfEmpty() ?: return
 				buildAlertDialog(this) {
 					setMessage(title)
 					setNegativeButton(R.string.close, null)
@@ -267,6 +264,10 @@ class DetailsActivity :
 		}
 	}
 
+	override fun onAuthorClick(author: String) {
+		router.showAuthorDialog(author, viewModel.getMangaOrNull()?.source ?: return)
+	}
+
 	override fun onChipClick(chip: Chip, data: Any?) {
 		val tag = data as? MangaTag ?: return
 		router.showTagDialog(tag)
@@ -415,7 +416,7 @@ class DetailsActivity :
 				TextDrawable.compound(infoBinding.textViewTranslation, it)
 			}
 			infoBinding.textViewTranslationLabel.isVisible = infoBinding.textViewTranslation.isVisible
-			textViewAuthor.textAndVisible = manga.author
+			textViewAuthor.textAndVisible = manga.getAuthorsString()
 			textViewAuthorLabel.isVisible = textViewAuthor.isVisible
 			if (manga.hasRating) {
 				ratingBarRating.rating = manga.rating * ratingBarRating.numStars
@@ -537,6 +538,24 @@ class DetailsActivity :
 		return getString(R.string.chapters_time_pattern, this, timeFormatted)
 	}
 
+	private fun Manga.getAuthorsString(): SpannedString? {
+		if (authors.isEmpty()) {
+			return null
+		}
+		return buildSpannedString {
+			authors.forEach { a ->
+				if (a.isNotEmpty()) {
+					if (isNotEmpty()) {
+						append(", ")
+					}
+					inSpans(AuthorSpan(this@DetailsActivity)) {
+						append(a)
+					}
+				}
+			}
+		}.nullIfEmpty()
+	}
+
 	private class PrefetchObserver(
 		private val context: Context,
 	) : FlowCollector<List<ChapterListItem>?> {

app/src/main/kotlin/org/koitharu/kotatsu/explore/domain/RecoverMangaUseCase.kt

@@ -36,15 +36,15 @@ class RecoverMangaUseCase @Inject constructor(
 	) = Manga(
 		id = broken.id,
 		title = current.title,
-		altTitle = current.altTitle,
+		altTitles = current.altTitles,
 		url = current.url,
 		publicUrl = current.publicUrl,
 		rating = current.rating,
-		isNsfw = current.isNsfw,
+		contentRating = current.contentRating,
 		coverUrl = current.coverUrl,
 		tags = current.tags,
 		state = current.state,
-		author = current.author,
+		authors = current.authors,
 		largeCoverUrl = current.largeCoverUrl,
 		description = current.description,
 		chapters = current.chapters,

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/adapter/MangaListDetailedItemAD.kt

@@ -32,7 +32,7 @@ fun mangaListDetailedItemAD(
 
 	bind { payloads ->
 		binding.textViewTitle.text = item.title
-		binding.textViewAuthor.textAndVisible = item.manga.author
+		binding.textViewAuthor.textAndVisible = item.manga.authors.joinToString(", ")
 		binding.progressView.setProgress(
 			value = item.progress,
 			animate = ListModelDiffCallback.PAYLOAD_PROGRESS_CHANGED in payloads,

app/src/main/kotlin/org/koitharu/kotatsu/local/domain/model/LocalManga.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.local.domain.model
 import android.net.Uri
 import androidx.core.net.toFile
 import androidx.core.net.toUri
+import org.koitharu.kotatsu.core.util.ext.contains
 import org.koitharu.kotatsu.core.util.ext.creationTime
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaTag
@@ -26,8 +27,8 @@ data class LocalManga(
 
 	fun isMatchesQuery(query: String): Boolean {
 		return manga.title.contains(query, ignoreCase = true) ||
-			manga.altTitle?.contains(query, ignoreCase = true) == true ||
-			manga.author?.contains(query, ignoreCase = true) == true
+			manga.altTitles.contains(query, ignoreCase = true) ||
+			manga.authors.contains(query, ignoreCase = true)
 	}
 
 	fun containsTags(tags: Collection<String>): Boolean {

app/src/main/kotlin/org/koitharu/kotatsu/reader/data/ModelMapping.kt

@@ -8,20 +8,6 @@ fun Manga.filterChapters(branch: String?): Manga {
 	return withChapters(chapters = chapters?.filter { it.branch == branch })
 }
 
-private fun Manga.withChapters(chapters: List<MangaChapter>?) = Manga(
-	id = id,
-	title = title,
-	altTitle = altTitle,
-	url = url,
-	publicUrl = publicUrl,
-	rating = rating,
-	isNsfw = isNsfw,
-	coverUrl = coverUrl,
-	tags = tags,
-	state = state,
-	author = author,
-	largeCoverUrl = largeCoverUrl,
-	description = description,
+private fun Manga.withChapters(chapters: List<MangaChapter>?) = copy(
 	chapters = chapters,
-	source = source,
-)
+)

app/src/main/kotlin/org/koitharu/kotatsu/search/domain/SearchV2Helper.kt

@@ -7,6 +7,7 @@ import org.koitharu.kotatsu.core.model.isNsfw
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.util.ext.contains
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaListFilter
@@ -83,7 +84,7 @@ class SearchV2Helper @AssistedInject constructor(
 			}
 
 			SearchKind.AUTHOR -> retainAll { m ->
-				m.author.isNullOrEmpty() || m.author.equals(query, ignoreCase = true)
+				m.authors.isEmpty() || m.authors.contains(query, ignoreCase = true)
 			}
 
 			SearchKind.SIMPLE, // no filtering expected
@@ -99,7 +100,7 @@ class SearchV2Helper @AssistedInject constructor(
 			}
 
 			SearchKind.AUTHOR -> sortByDescending { m ->
-				m.author?.equals(query, ignoreCase = true) == true
+				m.authors.contains(query, ignoreCase = true)
 			}
 
 			SearchKind.TAG -> sortByDescending { m ->

app/src/main/res/layout/layout_details_table.xml

@@ -64,11 +64,8 @@
 		android:id="@+id/textView_author"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
-		android:layout_marginStart="12dp"
-		android:layout_marginEnd="12dp"
-		android:background="@drawable/custom_selectable_item_background"
-		android:padding="4dp"
-		android:singleLine="true"
+		android:layout_marginStart="16dp"
+		android:layout_marginEnd="16dp"
 		android:textAppearance="?textAppearanceBodyMedium"
 		app:layout_constrainedWidth="true"
 		app:layout_constraintBaseline_toBaselineOf="@id/textView_author_label"
@@ -87,7 +84,7 @@
 		android:text="@string/translation"
 		android:textAppearance="?textAppearanceTitleSmall"
 		app:layout_constraintStart_toStartOf="@id/card_details"
-		app:layout_constraintTop_toBottomOf="@id/textView_author_label" />
+		app:layout_constraintTop_toBottomOf="@id/textView_author" />
 
 	<TextView
 		android:id="@+id/textView_translation"