优化

app/src/main/java/io/legado/app/data/dao/BookDao.kt

@@ -60,7 +60,10 @@ interface BookDao {
     fun insert(vararg book: Book)
 
     @Update
-    fun update(vararg books: Book)
+    fun update(vararg book: Book)
+
+    @Delete
+    fun delete(vararg book: Book)
 
     @Query("delete from books where bookUrl = :bookUrl")
     fun delete(bookUrl: String)

app/src/main/java/io/legado/app/ui/audio/AudioPlayViewModel.kt

@@ -91,7 +91,7 @@ class AudioPlayViewModel(application: Application) : BaseViewModel(application)
     fun changeTo(book1: Book) {
         execute {
             AudioPlay.book?.let {
-                App.db.bookDao().delete(it.bookUrl)
+                App.db.bookDao().delete(it)
             }
             withContext(Dispatchers.Main) {
 
@@ -142,7 +142,7 @@ class AudioPlayViewModel(application: Application) : BaseViewModel(application)
     fun removeFromBookshelf(success: (() -> Unit)?) {
         execute {
             AudioPlay.book?.let {
-                App.db.bookDao().delete(it.bookUrl)
+                App.db.bookDao().delete(it)
             }
         }.onSuccess {
             success?.invoke()

app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookActivity.kt

@@ -107,10 +107,10 @@ class ArrangeBookActivity : VMBaseActivity<ArrangeBookViewModel>(R.layout.activi
             getString(R.string.select_count, adapter.selectedBooks.size, adapter.getItems().size)
     }
 
-    override fun deleteBook(bookUrl: String) {
+    override fun deleteBook(book: Book) {
         alert(titleResource = R.string.sure, messageResource = R.string.sure_del) {
             okButton {
-                viewModel.deleteBook(bookUrl)
+                viewModel.deleteBook(book)
             }
         }.show().applyTint()
     }

app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt

@@ -13,7 +13,7 @@ import org.jetbrains.anko.sdk27.listeners.onClick
 class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
     SimpleRecyclerAdapter<Book>(context, R.layout.item_arrange_book) {
 
-    val selectedBooks: HashSet<String> = hashSetOf()
+    val selectedBooks: HashSet<Book> = hashSetOf()
 
     fun isSelectAll(): Boolean {
         return if (selectedBooks.isEmpty()) {
@@ -26,7 +26,7 @@ class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
     fun selectAll(selectAll: Boolean) {
         if (selectAll) {
             getItems().forEach {
-                selectedBooks.add(it.bookUrl)
+                selectedBooks.add(it)
             }
             notifyDataSetChanged()
             callBack.upSelectCount()
@@ -42,26 +42,26 @@ class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
             tv_name.text = item.name
             tv_author.text = context.getString(R.string.author_show, item.author)
             tv_group.text = getGroupName(item.group)
-            checkbox.isChecked = selectedBooks.contains(item.bookUrl)
+            checkbox.isChecked = selectedBooks.contains(item)
             checkbox.onClick {
                 if (checkbox.isChecked) {
-                    selectedBooks.add(item.bookUrl)
+                    selectedBooks.add(item)
                 } else {
-                    selectedBooks.remove(item.bookUrl)
+                    selectedBooks.remove(item)
                 }
                 callBack.upSelectCount()
             }
             onClick {
                 checkbox.isChecked = !checkbox.isChecked
                 if (checkbox.isChecked) {
-                    selectedBooks.add(item.bookUrl)
+                    selectedBooks.add(item)
                 } else {
-                    selectedBooks.remove(item.bookUrl)
+                    selectedBooks.remove(item)
                 }
                 callBack.upSelectCount()
             }
             tv_delete.onClick {
-                callBack.deleteBook(item.bookUrl)
+                callBack.deleteBook(item)
             }
             tv_group.onClick {
                 callBack.selectGroup()
@@ -81,7 +81,7 @@ class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
     interface CallBack {
         val groupList: List<BookGroup>
         fun upSelectCount()
-        fun deleteBook(bookUrl: String)
+        fun deleteBook(book: Book)
         fun selectGroup()
     }
 }

app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookViewModel.kt

@@ -1,14 +1,18 @@
 package io.legado.app.ui.book.arrange
 
 import android.app.Application
+import io.legado.app.App
 import io.legado.app.base.BaseViewModel
+import io.legado.app.data.entities.Book
 
 
 class ArrangeBookViewModel(application: Application) : BaseViewModel(application) {
 
 
-    fun deleteBook(vararg bookUrl: String) {
-
+    fun deleteBook(vararg book: Book) {
+        execute {
+            App.db.bookDao().delete()
+        }
     }
 
 }

app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt

@@ -137,7 +137,7 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
         execute {
             if (inBookshelf) {
                 bookData.value?.let {
-                    App.db.bookDao().delete(it.bookUrl)
+                    App.db.bookDao().delete(it)
                 }
                 App.db.bookDao().insert(book)
             }
@@ -202,7 +202,7 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
     fun delBook(success: (() -> Unit)?) {
         execute {
             bookData.value?.let {
-                App.db.bookDao().delete(it.bookUrl)
+                App.db.bookDao().delete(it)
             }
             inBookshelf = false
         }.onSuccess {

app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt

@@ -128,7 +128,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
     fun changeTo(book1: Book) {
         execute {
             ReadBook.book?.let {
-                App.db.bookDao().delete(it.bookUrl)
+                App.db.bookDao().delete(it)
             }
             ReadBook.prevTextChapter = null
             ReadBook.curTextChapter = null
@@ -185,7 +185,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
     fun removeFromBookshelf(success: (() -> Unit)?) {
         execute {
             ReadBook.book?.let {
-                App.db.bookDao().delete(it.bookUrl)
+                App.db.bookDao().delete(it)
             }
         }.onSuccess {
             success?.invoke()