feat: 优化代码

app/src/main/java/io/legado/app/data/entities/BookSource.kt

@@ -1,6 +1,7 @@
 package io.legado.app.data.entities
 
 import android.os.Parcelable
+import android.text.TextUtils
 import androidx.room.*
 import io.legado.app.App
 import io.legado.app.constant.AppConst
@@ -8,10 +9,7 @@ import io.legado.app.constant.AppConst.userAgent
 import io.legado.app.constant.BookType
 import io.legado.app.data.entities.rule.*
 import io.legado.app.help.JsExtensions
-import io.legado.app.utils.ACache
-import io.legado.app.utils.GSON
-import io.legado.app.utils.fromJsonObject
-import io.legado.app.utils.getPrefString
+import io.legado.app.utils.*
 import kotlinx.android.parcel.Parcelize
 import java.util.*
 import javax.script.SimpleBindings
@@ -105,6 +103,13 @@ data class BookSource(
         }
     }
 
+    fun removeGroup(group: String) {
+        bookSourceGroup?.splitNotBlank(",")?.toHashSet()?.let {
+            it.remove(group)
+            bookSourceGroup = TextUtils.join(",", it)
+        }
+    }
+
     fun getExploreKinds(): ArrayList<ExploreKind>? {
         val exploreKinds = arrayListOf<ExploreKind>()
         exploreUrl?.let {

app/src/main/java/io/legado/app/service/help/CheckSource.kt

@@ -53,6 +53,9 @@ class CheckSource(val source: BookSource) {
             .onError(Dispatchers.IO) {
                 source.addGroup("失效")
                 App.db.bookSourceDao().update(source)
+            }.onSuccess(Dispatchers.IO) {
+                source.removeGroup("失效")
+                App.db.bookSourceDao().update(source)
             }.onFinally(Dispatchers.IO) {
                 onNext(source.bookSourceUrl)
             }

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

@@ -158,10 +158,7 @@ class BookSourceViewModel(application: Application) : BaseViewModel(application)
             execute {
                 val sources = App.db.bookSourceDao().getByGroup(group)
                 sources.map { source ->
-                    source.bookSourceGroup?.splitNotBlank(",")?.toHashSet()?.let {
-                        it.remove(group)
-                        source.bookSourceGroup = TextUtils.join(",", it)
-                    }
+                    source.removeGroup(group)
                 }
                 App.db.bookSourceDao().update(*sources.toTypedArray())
             }