优化

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

@@ -134,6 +134,9 @@ interface BookSourceDao {
     @get:Query("select distinct bookSourceGroup from book_sources where trim(bookSourceGroup) <> ''")
     val allGroupsUnProcessed: List<String>
 
+    @get:Query("select distinct bookSourceGroup from book_sources where enabled = 1 and trim(bookSourceGroup) <> ''")
+    val allEnabledGroupsUnProcessed: List<String>
+
     @Query("select * from book_sources where bookSourceUrl = :key")
     fun getBookSource(key: String): BookSource?
 
@@ -175,6 +178,11 @@ interface BookSourceDao {
             return dealGroups(allGroupsUnProcessed)
         }
 
+    val allEnabledGroups: List<String>
+        get() {
+            return dealGroups(allEnabledGroupsUnProcessed)
+        }
+
     fun flowGroups(): Flow<List<String>> {
         return flowGroupsUnProcessed().map { list ->
             dealGroups(list)

app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt

@@ -221,6 +221,9 @@ class SearchActivity : VMBaseActivity<ActivityBookSearchBinding, SearchViewModel
 
     private fun initData() {
         searchScopeAdapter.setItems(viewModel.searchScope.displayNames)
+        viewModel.searchScope.stateLiveData.observe(this) {
+            searchScopeAdapter.setItems(viewModel.searchScope.displayNames)
+        }
         viewModel.isSearchLiveData.observe(this) {
             if (it) {
                 startSearch()

app/src/main/java/io/legado/app/ui/book/search/SearchScope.kt

@@ -1,5 +1,6 @@
 package io.legado.app.ui.book.search
 
+import androidx.lifecycle.MutableLiveData
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.BookSource
 import io.legado.app.help.config.AppConfig
@@ -13,12 +14,18 @@ data class SearchScope(private var scope: String) {
 
     constructor(groups: List<String>) : this(groups.joinToString(","))
 
-    constructor(source: BookSource) : this("${source.bookSourceName}::${source.bookSourceUrl}")
+    constructor(source: BookSource) : this(
+        "${
+            source.bookSourceName.replace("::", "")
+        }::${source.bookSourceUrl}"
+    )
 
     override fun toString(): String {
         return scope
     }
 
+    val stateLiveData = MutableLiveData("")
+
     fun update(scope: String) {
         this.scope = scope
     }
@@ -70,12 +77,20 @@ data class SearchScope(private var scope: String) {
                 }
             }
         } else {
-            scope.splitNotBlank(",").forEach {
-                list.addAll(appDb.bookSourceDao.getEnabledByGroup(it))
+            val oldScope = scope.splitNotBlank(",")
+            val newScope = oldScope.filter {
+                val bookSources = appDb.bookSourceDao.getEnabledByGroup(it)
+                list.addAll(bookSources)
+                bookSources.isNotEmpty()
+            }
+            if (oldScope.size != newScope.size) {
+                update(newScope)
+                stateLiveData.postValue("")
             }
         }
         if (list.isEmpty()) {
             scope = ""
+            stateLiveData.postValue("")
             return appDb.bookSourceDao.allEnabled
         }
         return list.sortedBy { it.customOrder }

app/src/main/java/io/legado/app/ui/book/search/SearchScopeDialog.kt

@@ -102,7 +102,7 @@ class SearchScopeDialog : BaseDialogFragment(R.layout.dialog_search_scope) {
     private fun initData() {
         launch {
             groups = withContext(IO) {
-                appDb.bookSourceDao.allGroups
+                appDb.bookSourceDao.allEnabledGroups
             }
             sources = withContext(IO) {
                 appDb.bookSourceDao.allEnabled