优化

app/src/main/java/io/legado/app/model/localBook/LocalBook.kt

@@ -70,10 +70,10 @@ object LocalBook {
             path = uri.path!!
             File(path).name
         })
-
+        var book = appDb.bookDao.getBook(path)
+        if (book == null) {
             val nameAuthor = analyzeNameAuthor(fileName)
-
-        val book = Book(
+            book = Book(
                 bookUrl = path,
                 name = nameAuthor.first,
                 author = nameAuthor.second,
@@ -87,6 +87,7 @@ object LocalBook {
             if (book.isEpub()) EpubFile.upBookInfo(book)
             if (book.isUmd()) UmdFile.upBookInfo(book)
             appDb.bookDao.insert(book)
+        }
         return book
     }
 

app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt

@@ -4,6 +4,7 @@ import android.os.Bundle
 import androidx.activity.viewModels
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.databinding.ActivityTranslucenceBinding
+import io.legado.app.ui.book.read.ReadBookActivity
 import io.legado.app.utils.startActivity
 import io.legado.app.utils.toastOnUi
 import io.legado.app.utils.viewbindingdelegate.viewBinding
@@ -40,9 +41,11 @@ class FileAssociationActivity :
             toastOnUi(it)
             finish()
         })
-        viewModel.successLiveData.observe(this, {
+        viewModel.openBookLiveData.observe(this, {
             binding.rotateLoading.hide()
-            startActivity(it)
+            startActivity<ReadBookActivity> {
+                putExtra("bookUrl", it)
+            }
             finish()
         })
         intent.data?.let { data ->

app/src/main/java/io/legado/app/ui/association/FileAssociationViewModel.kt

@@ -1,13 +1,11 @@
 package io.legado.app.ui.association
 
 import android.app.Application
-import android.content.Intent
 import android.net.Uri
 import androidx.documentfile.provider.DocumentFile
 import androidx.lifecycle.MutableLiveData
 import io.legado.app.base.BaseViewModel
 import io.legado.app.model.localBook.LocalBook
-import io.legado.app.ui.book.read.ReadBookActivity
 import io.legado.app.utils.isJson
 import io.legado.app.utils.readText
 import java.io.File
@@ -17,7 +15,7 @@ class FileAssociationViewModel(application: Application) : BaseViewModel(applica
     val importBookSourceLive = MutableLiveData<String>()
     val importRssSourceLive = MutableLiveData<String>()
     val importReplaceRuleLive = MutableLiveData<String>()
-    val successLiveData = MutableLiveData<Intent>()
+    val openBookLiveData = MutableLiveData<String>()
     val errorLiveData = MutableLiveData<String>()
 
     @Suppress("BlockingMethodInNonBlockingContext")
@@ -48,14 +46,8 @@ class FileAssociationViewModel(application: Application) : BaseViewModel(applica
                             }
                         }
                     }
-                    val book = if (uri.scheme == "content") {
-                        LocalBook.importFile(uri)
-                    } else {
-                        LocalBook.importFile(uri)
-                    }
-                    val intent = Intent(context, ReadBookActivity::class.java)
-                    intent.putExtra("bookUrl", book.bookUrl)
-                    successLiveData.postValue(intent)
+                    val book = LocalBook.importFile(uri)
+                    openBookLiveData.postValue(book.bookUrl)
                 } ?: throw Exception("文件不存在")
             } else {
                 onLineImportLive.postValue(uri)