优化

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

@@ -4,6 +4,7 @@ import androidx.room.*
 import io.legado.app.constant.BookType
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookGroup
+import io.legado.app.data.entities.BookSource
 import kotlinx.coroutines.flow.Flow
 
 @Dao
@@ -81,6 +82,11 @@ interface BookDao {
     @Query("SELECT * FROM books WHERE name = :name and author = :author")
     fun getBook(name: String, author: String): Book?
 
+    @Query("""select distinct bs.* from books, book_sources bs 
+        where origin == bookSourceUrl and origin not like '${BookType.localTag}%' 
+        and origin not like '${BookType.webDavTag}%'""")
+    fun getAllUseBookSource(): List<BookSource>
+
     @Query("SELECT * FROM books WHERE name = :name and origin = :origin")
     fun getBookByOrigin(name: String, origin: String): Book?
 

app/src/main/java/io/legado/app/ui/book/manage/BookshelfManageActivity.kt

@@ -21,6 +21,8 @@ import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookGroup
 import io.legado.app.data.entities.BookSource
 import io.legado.app.databinding.ActivityArrangeBookBinding
+import io.legado.app.databinding.DialogEditTextBinding
+import io.legado.app.help.DirectLinkUpload
 import io.legado.app.help.book.contains
 import io.legado.app.help.book.isLocal
 import io.legado.app.help.config.AppConfig
@@ -31,6 +33,7 @@ import io.legado.app.lib.theme.primaryTextColor
 import io.legado.app.ui.book.group.GroupManageDialog
 import io.legado.app.ui.book.group.GroupSelectDialog
 import io.legado.app.ui.book.info.BookInfoActivity
+import io.legado.app.ui.file.HandleFileContract
 import io.legado.app.ui.widget.SelectActionBar
 import io.legado.app.ui.widget.dialog.WaitDialog
 import io.legado.app.ui.widget.recycler.DragSelectTouchHelper
@@ -70,6 +73,23 @@ class BookshelfManageActivity :
     }
     private var books: List<Book>? = null
     private val waitDialog by lazy { WaitDialog(this) }
+    private val exportDir = registerForActivityResult(HandleFileContract()) {
+        it.uri?.let { uri ->
+            alert(R.string.export_success) {
+                if (uri.toString().isAbsUrl()) {
+                    setMessage(DirectLinkUpload.getSummary())
+                }
+                val alertBinding = DialogEditTextBinding.inflate(layoutInflater).apply {
+                    editView.hint = getString(R.string.path)
+                    editView.setText(uri.toString())
+                }
+                customView { alertBinding.root }
+                okButton {
+                    sendToClip(uri.toString())
+                }
+            }
+        }
+    }
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         viewModel.groupId = intent.getLongExtra("groupId", -1)
@@ -255,6 +275,17 @@ class BookshelfManageActivity :
                 adapter.notifyItemRangeChanged(0, adapter.itemCount)
             }
 
+            R.id.menu_export_all_use_book_source -> viewModel.saveAllUseBookSourceToFile { file ->
+                exportDir.launch {
+                    mode = HandleFileContract.EXPORT
+                    fileData = HandleFileContract.FileData(
+                        "bookSource.json",
+                        file,
+                        "application/json"
+                    )
+                }
+            }
+
             else -> if (item.groupId == R.id.menu_group) {
                 viewModel.groupName = item.title.toString()
                 upTitle()

app/src/main/java/io/legado/app/ui/book/manage/BookshelfManageViewModel.kt

@@ -14,7 +14,15 @@ import io.legado.app.help.config.AppConfig
 import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.model.localBook.LocalBook
 import io.legado.app.model.webBook.WebBook
+import io.legado.app.utils.FileUtils
+import io.legado.app.utils.GSON
+import io.legado.app.utils.stackTraceStr
+import io.legado.app.utils.toastOnUi
+import io.legado.app.utils.writeToOutputStream
 import kotlinx.coroutines.delay
+import java.io.BufferedOutputStream
+import java.io.File
+import java.io.FileOutputStream
 
 
 class BookshelfManageViewModel(application: Application) : BaseViewModel(application) {
@@ -50,6 +58,26 @@ class BookshelfManageViewModel(application: Application) : BaseViewModel(applica
         }
     }
 
+    @Suppress("BlockingMethodInNonBlockingContext")
+    fun saveAllUseBookSourceToFile(success: (file: File) -> Unit) {
+        execute {
+            val path = "${context.filesDir}/shareBookSource.json"
+            FileUtils.delete(path)
+            val file = FileUtils.createFileWithReplace(path)
+            val sources = appDb.bookDao.getAllUseBookSource()
+            FileOutputStream(file).use { out ->
+                BufferedOutputStream(out, 64 * 1024).use {
+                    GSON.writeToOutputStream(it, sources)
+                }
+            }
+            file
+        }.onSuccess {
+            success.invoke(it)
+        }.onError {
+            context.toastOnUi(it.stackTraceStr)
+        }
+    }
+
     fun changeSource(books: List<Book>, source: BookSource) {
         batchChangeSourceCoroutine?.cancel()
         batchChangeSourceCoroutine = execute {