Fixes for local manga and others for custom manga info

app/src/main/java/eu/kanade/tachiyomi/source/model/SManga.kt

@@ -32,44 +32,26 @@ interface SManga : Serializable {
         return splitTitle.last()
     }
 
-    fun currentGenres(): String? {
+    fun currentGenres() = split(genre, true)
-        val splitGenre = genre?.split(splitter) ?: return null
-        return splitGenre.first()
-    }
 
-    fun originalGenres(): String? {
+    fun originalGenres() = split(genre, false)
-        val splitGenre = genre?.split(splitter) ?: return null
-        return splitGenre.last()
-    }
 
-    fun currentDesc(): String? {
+    fun currentDesc() = split(description, true)
-        val splitDesc = description?.split(splitter) ?: return null
-        return splitDesc.first()
-    }
 
-    fun originalDesc(): String? {
+    fun originalDesc() = split(description, false)
-        val splitDesc = description?.split(splitter) ?: return null
-        return splitDesc.last()
-    }
 
-    fun currentAuthor(): String? {
+    fun currentAuthor() = split(author, true)
-        val splitAuth = author?.split(splitter) ?: return null
-        return splitAuth.first()
-    }
 
-    fun originalAuthor(): String? {
+    fun originalAuthor() = split(author, false)
-        val splitAuth = author?.split(splitter) ?: return null
-        return splitAuth.last()
-    }
 
-    fun currentArtist(): String? {
+    fun currentArtist() = split(artist, true)
-        val splitArtist = artist?.split(splitter) ?: return null
+
-        return splitArtist.first()
+    fun originalArtist() = split(artist, false)
-    }
 
-    fun originalArtist(): String? {
+    private fun split(string: String?, first: Boolean):String? {
-        val splitArtist = artist?.split(splitter) ?: return null
+        val split = string?.split(splitter) ?: return null
-        return splitArtist.last()
+        val s = if (first) split.first() else split.last()
+        return if (s.isBlank()) null else s
     }
 
     fun copyFrom(other: SManga) {

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/EditMangaDialog.kt

@@ -102,7 +102,7 @@ class EditMangaDialog : DialogController {
             changeCover()
         }
 
-        if (manga.currentArtist() != manga.originalArtist())
+        if (manga.currentDesc() != manga.originalDesc())
             view.manga_description.append(manga.currentDesc())
         if (!manga.originalDesc().isNullOrBlank())
             view.manga_description.hint = "${resources?.getString(R.string.description)}: ${manga
@@ -114,7 +114,7 @@ class EditMangaDialog : DialogController {
     }
 
     private fun resetTags() {
-        if (manga.originalGenres().isNullOrBlank() || manga.originalGenres() == "null")
+        if (manga.originalGenres().isNullOrBlank())
             dialogView?.manga_genres_tags?.setTags(emptyList())
         else
             dialogView?.manga_genres_tags?.setTags(manga.originalGenres()?.split(", "))

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoController.kt

@@ -293,6 +293,7 @@ class MangaInfoController : NucleusController<MangaInfoPresenter>(),
         if (manga.currentGenres().isNullOrBlank().not()) {
             manga_genres_tags.setTags(manga.currentGenres()?.split(", "))
         }
+        else manga_genres_tags.setTags(emptyList())
 
         // Update description TextView.
         manga_summary.text = if (manga.currentDesc().isNullOrBlank()) {

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoPresenter.kt

@@ -204,6 +204,7 @@ class MangaInfoPresenter(
     fun updateManga(title:String?, author:String?, artist: String?, uri: Uri?,
         description: String?, tags: Array<String>?) {
         var changed = false
+        val title = title?.trim()
         if (title.isNullOrBlank() && manga.currentTitle() != manga.originalTitle()) {
             manga.title = manga.originalTitle()
             changed = true
@@ -212,27 +213,30 @@ class MangaInfoPresenter(
             changed = true
         }
 
+        val author = author?.trim()
         if (author.isNullOrBlank() && manga.currentAuthor() != manga.originalAuthor()) {
             manga.author = manga.originalAuthor()
             changed = true
         } else if (!author.isNullOrBlank() && author != manga.currentAuthor()) {
-            manga.author = "${author}${SManga.splitter}${manga.originalAuthor()}"
+            manga.author = "${author}${SManga.splitter}${manga.originalAuthor() ?: ""}"
             changed = true
         }
 
+        val artist = artist?.trim()
         if (artist.isNullOrBlank() && manga.currentArtist() != manga.currentArtist()) {
             manga.artist = manga.originalArtist()
             changed = true
         } else if (!artist.isNullOrBlank() && artist != manga.currentArtist()) {
-            manga.artist = "${artist}${SManga.splitter}${manga.originalArtist()}"
+            manga.artist = "${artist}${SManga.splitter}${manga.originalArtist() ?: ""}"
             changed = true
         }
 
+        val description = description?.trim()
         if (description.isNullOrBlank() && manga.currentDesc() != manga.originalDesc()) {
             manga.description = manga.originalDesc()
             changed = true
         } else if (!description.isNullOrBlank() && description != manga.currentDesc()) {
-            manga.description = "${description}${SManga.splitter}${manga.originalDesc()}"
+            manga.description = "${description}${SManga.splitter}${manga.originalDesc() ?: ""}"
             changed = true
         }
 
@@ -242,13 +246,12 @@ class MangaInfoPresenter(
             changed = true
         } else if (!tagsString.isNullOrBlank() && tagsString != manga.currentGenres()) {
             tagsString = tags?.joinToString(", ") { it.capitalize() }
-            manga.genre = "${tagsString}${SManga.splitter}${manga.originalGenres()}"
+            manga.genre = "${tagsString}${SManga.splitter}${manga.originalGenres() ?: ""}"
             changed = true
         }
 
         if (uri != null) editCoverWithStream(uri)
 
-
         if (changed) db.updateMangaInfo(manga).executeAsBlocking()
     }
 

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

@@ -19,6 +19,7 @@
             android:layout_width="wrap_content"
             android:adjustViewBounds="true"
             android:layout_height="150dp"
+            android:contentDescription="@string/description_cover"
             android:background="@drawable/image_border_background"
             android:src="@mipmap/ic_launcher"/>
 
@@ -66,6 +67,16 @@
         android:inputType="text"
         android:maxLines="1"/>
 
+    <EditText
+        android:id="@+id/manga_description"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        android:hint="@string/description"
+        android:inputType="text|textMultiLine"
+        android:scrollHorizontally="false" />
+
     <Button
         android:id="@+id/reset_tags"
         android:layout_width="wrap_content"
@@ -94,16 +105,6 @@
         app:atg_borderColor="@color/md_blue_A400"
         app:atg_textColor="@color/md_blue_A400" />
 
-    <EditText
-        android:id="@+id/manga_description"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="@string/description"
-        android:layout_marginEnd="16dp"
-        android:layout_marginStart="16dp"
-        android:inputType="text|textMultiLine"
-        android:scrollHorizontally="false"/>
-
     <View
         android:layout_width="match_parent"
         android:layout_height="1dp"