category done!

server/src/main/kotlin/ir/armor/tachidesk/Main.kt

@@ -18,6 +18,7 @@ import ir.armor.tachidesk.util.getExtensionIcon
 import ir.armor.tachidesk.util.getExtensionList
 import ir.armor.tachidesk.util.getLibraryMangas
 import ir.armor.tachidesk.util.getManga
+import ir.armor.tachidesk.util.getMangaCategories
 import ir.armor.tachidesk.util.getMangaList
 import ir.armor.tachidesk.util.getPageImage
 import ir.armor.tachidesk.util.getSource
@@ -170,6 +171,12 @@ class Main {
                 ctx.status(200)
             }
 
+            // adds the manga to category
+            app.get("api/v1/manga/:mangaId/category/") { ctx ->
+                val mangaId = ctx.pathParam("mangaId").toInt()
+                ctx.json(getMangaCategories(mangaId))
+            }
+
             // adds the manga to category
             app.get("api/v1/manga/:mangaId/category/:categoryId") { ctx ->
                 val mangaId = ctx.pathParam("mangaId").toInt()

server/src/main/kotlin/ir/armor/tachidesk/util/CategoryManga.kt

@@ -1,9 +1,12 @@
 package ir.armor.tachidesk.util
 
+import ir.armor.tachidesk.database.dataclass.CategoryDataClass
 import ir.armor.tachidesk.database.dataclass.MangaDataClass
 import ir.armor.tachidesk.database.table.CategoryMangaTable
+import ir.armor.tachidesk.database.table.CategoryTable
 import ir.armor.tachidesk.database.table.MangaTable
 import ir.armor.tachidesk.database.table.toDataClass
+import org.jetbrains.exposed.sql.SortOrder
 import org.jetbrains.exposed.sql.and
 import org.jetbrains.exposed.sql.deleteWhere
 import org.jetbrains.exposed.sql.insert
@@ -48,3 +51,11 @@ fun getCategoryMangaList(categoryId: Int): List<MangaDataClass> {
         }
     }
 }
+
+fun getMangaCategories(mangaId: Int): List<CategoryDataClass> {
+    return transaction {
+        CategoryMangaTable.innerJoin(CategoryTable).select { CategoryMangaTable.manga eq mangaId }.orderBy(CategoryTable.order to SortOrder.ASC).map {
+            CategoryTable.toDataClass(it)
+        }
+    }
+}