Default is now a category, no more library

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

@@ -14,9 +14,9 @@ import io.javalin.apibuilder.ApiBuilder.path
 import io.javalin.apibuilder.ApiBuilder.post
 import io.javalin.apibuilder.ApiBuilder.ws
 import suwayomi.tachidesk.manga.controller.BackupController
+import suwayomi.tachidesk.manga.controller.CategoryController
 import suwayomi.tachidesk.manga.controller.DownloadController
 import suwayomi.tachidesk.manga.controller.ExtensionController
-import suwayomi.tachidesk.manga.controller.LibraryController
 import suwayomi.tachidesk.manga.controller.MangaController
 import suwayomi.tachidesk.manga.controller.SourceController
 
@@ -70,19 +70,18 @@ object MangaAPI {
             get(":mangaId/chapter/:chapterIndex/page/:index", MangaController::pageRetrieve)
         }
 
-        path("") {
-            get("library", LibraryController::list)
+        path("category") {
+            get("", CategoryController::categoryList)
+            post("", CategoryController::categoryCreate)
 
-            path("category") {
-                get("", LibraryController::categoryList)
-                post("", LibraryController::categoryCreate)
+            get(":categoryId", CategoryController::categoryMangas)
+            patch(":categoryId", CategoryController::categoryModify)
+            delete(":categoryId", CategoryController::categoryDelete)
 
-                get(":categoryId", LibraryController::categoryMangas)
-                patch(":categoryId", LibraryController::categoryModify)
-                delete(":categoryId", LibraryController::categoryDelete)
-
-                patch(":categoryId/reorder", LibraryController::categoryReorder) // TODO: the underlying code doesn't need `:categoryId`, remove it
-            }
+            patch(
+                ":categoryId/reorder",
+                CategoryController::categoryReorder
+            ) // TODO: the underlying code doesn't need `:categoryId`, remove it
         }
 
         path("backup") {

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

@@ -10,14 +10,8 @@ package suwayomi.tachidesk.manga.controller
 import io.javalin.http.Context
 import suwayomi.tachidesk.manga.impl.Category
 import suwayomi.tachidesk.manga.impl.CategoryManga
-import suwayomi.tachidesk.manga.impl.Library
-
-object LibraryController {
-    /** lists mangas that have no category assigned */
-    fun list(ctx: Context) {
-        ctx.json(Library.getLibraryMangas())
-    }
 
+object CategoryController {
     /** category list */
     fun categoryList(ctx: Context) {
         ctx.json(Category.getCategoryList())

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

@@ -8,6 +8,7 @@ package suwayomi.tachidesk.manga.impl
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 import org.jetbrains.exposed.sql.SortOrder
+import org.jetbrains.exposed.sql.and
 import org.jetbrains.exposed.sql.deleteWhere
 import org.jetbrains.exposed.sql.insert
 import org.jetbrains.exposed.sql.select
@@ -15,9 +16,11 @@ import org.jetbrains.exposed.sql.selectAll
 import org.jetbrains.exposed.sql.transactions.transaction
 import org.jetbrains.exposed.sql.update
 import suwayomi.tachidesk.manga.impl.CategoryManga.removeMangaFromCategory
+import suwayomi.tachidesk.manga.impl.util.lang.isNotEmpty
 import suwayomi.tachidesk.manga.model.dataclass.CategoryDataClass
 import suwayomi.tachidesk.manga.model.table.CategoryMangaTable
 import suwayomi.tachidesk.manga.model.table.CategoryTable
+import suwayomi.tachidesk.manga.model.table.MangaTable
 import suwayomi.tachidesk.manga.model.table.toDataClass
 
 object Category {
@@ -68,11 +71,21 @@ object Category {
         }
     }
 
+    const val DEFAULT_CATEGORY_ID = 0
+    private fun addDefaultIfNecessary(categories: List<CategoryDataClass>): List<CategoryDataClass> =
+        if (MangaTable.select { (MangaTable.inLibrary eq true) and (MangaTable.defaultCategory eq true) }.isNotEmpty()) {
+            listOf(CategoryDataClass(DEFAULT_CATEGORY_ID, 0, "Default", true)) + categories
+        } else {
+            categories
+        }
+
     fun getCategoryList(): List<CategoryDataClass> {
         return transaction {
-            CategoryTable.selectAll().orderBy(CategoryTable.order to SortOrder.ASC).map {
+            val categories = CategoryTable.selectAll().orderBy(CategoryTable.order to SortOrder.ASC).map {
                 CategoryTable.toDataClass(it)
             }
+
+            addDefaultIfNecessary(categories)
         }
     }
 }

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

@@ -14,6 +14,8 @@ import org.jetbrains.exposed.sql.insert
 import org.jetbrains.exposed.sql.select
 import org.jetbrains.exposed.sql.transactions.transaction
 import org.jetbrains.exposed.sql.update
+import suwayomi.tachidesk.manga.impl.Category.DEFAULT_CATEGORY_ID
+import suwayomi.tachidesk.manga.impl.util.lang.isEmpty
 import suwayomi.tachidesk.manga.model.dataclass.CategoryDataClass
 import suwayomi.tachidesk.manga.model.dataclass.MangaDataClass
 import suwayomi.tachidesk.manga.model.table.CategoryMangaTable
@@ -23,8 +25,10 @@ import suwayomi.tachidesk.manga.model.table.toDataClass
 
 object CategoryManga {
     fun addMangaToCategory(mangaId: Int, categoryId: Int) {
+        fun notAlreadyInCategory() = CategoryMangaTable.select { (CategoryMangaTable.category eq categoryId) and (CategoryMangaTable.manga eq mangaId) }.isEmpty()
+
         transaction {
-            if (CategoryMangaTable.select { (CategoryMangaTable.category eq categoryId) and (CategoryMangaTable.manga eq mangaId) }.firstOrNull() == null) {
+            if (notAlreadyInCategory()) {
                 CategoryMangaTable.insert {
                     it[CategoryMangaTable.category] = categoryId
                     it[CategoryMangaTable.manga] = mangaId
@@ -52,6 +56,13 @@ object CategoryManga {
      * list of mangas that belong to a category
      */
     fun getCategoryMangaList(categoryId: Int): List<MangaDataClass> {
+        if (categoryId == DEFAULT_CATEGORY_ID)
+            return transaction {
+                MangaTable.select { (MangaTable.inLibrary eq true) and (MangaTable.defaultCategory eq true) }.map {
+                    MangaTable.toDataClass(it)
+                }
+            }
+
         return transaction {
             CategoryMangaTable.innerJoin(MangaTable).select { CategoryMangaTable.category eq categoryId }.map {
                 MangaTable.toDataClass(it)

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

@@ -7,18 +7,15 @@ package suwayomi.tachidesk.manga.impl
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
-import org.jetbrains.exposed.sql.and
 import org.jetbrains.exposed.sql.deleteWhere
 import org.jetbrains.exposed.sql.insert
 import org.jetbrains.exposed.sql.select
 import org.jetbrains.exposed.sql.transactions.transaction
 import org.jetbrains.exposed.sql.update
 import suwayomi.tachidesk.manga.impl.Manga.getManga
-import suwayomi.tachidesk.manga.model.dataclass.MangaDataClass
 import suwayomi.tachidesk.manga.model.table.CategoryMangaTable
 import suwayomi.tachidesk.manga.model.table.CategoryTable
 import suwayomi.tachidesk.manga.model.table.MangaTable
-import suwayomi.tachidesk.manga.model.table.toDataClass
 
 object Library {
     suspend fun addMangaToLibrary(mangaId: Int) {
@@ -54,12 +51,4 @@ object Library {
             }
         }
     }
-
-    fun getLibraryMangas(): List<MangaDataClass> {
-        return transaction {
-            MangaTable.select { (MangaTable.inLibrary eq true) and (MangaTable.defaultCategory eq true) }.map {
-                MangaTable.toDataClass(it)
-            }
-        }
-    }
 }

server/src/main/kotlin/suwayomi/tachidesk/manga/impl/util/lang/ExposedExtensions.kt

@@ -0,0 +1,14 @@
+package suwayomi.tachidesk.manga.impl.util.lang
+
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+import org.jetbrains.exposed.sql.Query
+
+fun Query.isEmpty() = this.count() == 0L
+
+fun Query.isNotEmpty() = !this.isEmpty()