源订阅重复提醒

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

@@ -16,6 +16,9 @@ interface RuleSubDao {
     @get:Query("select customOrder from ruleSubs order by customOrder limit 0,1")
     val maxOrder: Int
 
+    @Query("select * from ruleSubs where url = :url")
+    fun findByUrl(url: String): RuleSub?
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insert(vararg ruleSub: RuleSub)
 

app/src/main/java/io/legado/app/ui/rss/subscription/RuleSubActivity.kt

@@ -18,8 +18,10 @@ import io.legado.app.ui.association.ImportReplaceRuleActivity
 import io.legado.app.ui.association.ImportRssSourceActivity
 import io.legado.app.ui.widget.recycler.ItemTouchCallback
 import io.legado.app.utils.startActivity
+import io.legado.app.utils.toastOnUi
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 /**
  * 规则订阅界面
@@ -100,11 +102,20 @@ class RuleSubActivity : BaseActivity<ActivityRuleSubBinding>(),
             }
             customView { alertBinding.root }
             okButton {
-                ruleSub.type = alertBinding.spType.selectedItemPosition
+                launch {
-                ruleSub.name = alertBinding.etName.text?.toString() ?: ""
+                    ruleSub.type = alertBinding.spType.selectedItemPosition
-                ruleSub.url = alertBinding.etUrl.text?.toString() ?: ""
+                    ruleSub.name = alertBinding.etName.text?.toString() ?: ""
-                launch(IO) {
+                    ruleSub.url = alertBinding.etUrl.text?.toString() ?: ""
-                    appDb.ruleSubDao.insert(ruleSub)
+                    val rs = withContext(IO) {
+                        appDb.ruleSubDao.findByUrl(ruleSub.url)
+                    }
+                    if (rs != null && rs.id != ruleSub.id) {
+                        toastOnUi(R.string.url_already)
+                        return@launch
+                    }
+                    withContext(IO) {
+                        appDb.ruleSubDao.insert(ruleSub)
+                    }
                 }
             }
             cancelButton()

app/src/main/res/values-zh-rHK/strings.xml

@@ -819,5 +819,6 @@
     <string name="toc_src">目录源码</string>
     <string name="content_src">正文源码</string>
     <string name="list_src">列表源码</string>
+    <string name="url_already">此url已订阅</string>
 
 </resources>

app/src/main/res/values-zh-rTW/strings.xml

@@ -821,5 +821,6 @@
     <string name="toc_src">目录源码</string>
     <string name="content_src">正文源码</string>
     <string name="list_src">列表源码</string>
+    <string name="url_already">此url已订阅</string>
 
 </resources>

app/src/main/res/values-zh/strings.xml

@@ -823,5 +823,6 @@
     <string name="toc_src">目录源码</string>
     <string name="content_src">正文源码</string>
     <string name="list_src">列表源码</string>
+    <string name="url_already">此url已订阅</string>
 
 </resources>

app/src/main/res/values/strings.xml

@@ -826,5 +826,6 @@
     <string name="toc_src">目录源码</string>
     <string name="content_src">正文源码</string>
     <string name="list_src">列表源码</string>
+    <string name="url_already">此url已订阅</string>
 
 </resources>