up

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

@@ -16,6 +16,8 @@ interface BookChapterDao {
     @Query("select * from chapters where bookUrl = :bookUrl and `index` = :index")
     fun getChapter(bookUrl: String, index: Int): BookChapter?
 
+    @Query("select count(url) from chapters where bookUrl = :bookUrl")
+    fun getChapterCount(bookUrl: String): Int
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insert(vararg bookChapter: BookChapter)

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

@@ -30,6 +30,9 @@ interface BookDao {
     @Query("SELECT * FROM books WHERE `name` in (:names)")
     fun findByName(vararg names: String): List<Book>
 
+    @Query("select * from books where bookUrl = :bookUrl")
+    fun getBook(bookUrl: String): Book?
+
     @get:Query("SELECT bookUrl FROM books")
     val allBookUrls: List<String>
 

app/src/main/java/io/legado/app/ui/read/ReadViewModel.kt

@@ -2,19 +2,32 @@ package io.legado.app.ui.read
 
 import android.app.Application
 import android.content.Intent
-import androidx.lifecycle.MutableLiveData
+import io.legado.app.App
 import io.legado.app.base.BaseViewModel
 import io.legado.app.data.entities.Book
+import io.legado.app.data.entities.BookSource
 
 class ReadViewModel(application: Application) : BaseViewModel(application) {
 
-    val bookData = MutableLiveData<Book>()
+    var book: Book? = null
+    var bookSource: BookSource? = null
 
     fun initData(intent: Intent) {
         val bookUrl = intent.getStringExtra("bookUrl")
         if (!bookUrl.isNullOrEmpty()) {
+            execute {
+                book = App.db.bookDao().getBook(bookUrl)
+                book?.let { book ->
+                    if (App.db.bookChapterDao().getChapterCount(bookUrl) == 0) {
+                        bookSource = App.db.bookSourceDao().findByKey(book.origin)
+                        if (bookSource == null) {
 
                         }
                     }
+                }
+
+            }
+        }
+    }
 
 }