up

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

@@ -7,6 +7,9 @@ import io.legado.app.data.entities.RssSource
 @Dao
 interface RssSourceDao {
 
+    @Query("select * from rssSources where sourceUrl = :key")
+    fun getByKey(key: String): RssSource?
+
     @get:Query("SELECT * FROM rssSources")
     val all: List<RssSource>
 

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

@@ -8,10 +8,10 @@ import kotlinx.android.parcel.Parcelize
 @Parcelize
 @Entity(tableName = "rssSources")
 data class RssSource(
-    var sourceName: String,
+    var sourceName: String = "",
     @PrimaryKey
-    var sourceUrl: String,
+    var sourceUrl: String = "",
-    var iconUrl: String,
+    var iconUrl: String = "",
     var enabled: Boolean = true,
     var ruleGuid: String? = null,
     var ruleTitle: String? = null,

app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt

@@ -7,10 +7,12 @@ import android.view.Menu
 import android.view.ViewTreeObserver
 import android.widget.EditText
 import android.widget.PopupWindow
+import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.constant.AppConst
+import io.legado.app.data.entities.RssSource
 import io.legado.app.lib.theme.ATH
 import io.legado.app.ui.widget.KeyboardToolPop
 import io.legado.app.utils.getViewModel
@@ -33,6 +35,19 @@ class RssSourceEditActivity :
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         initView()
+        viewModel.sourceLiveData.observe(this, Observer {
+            upRecyclerView(it)
+        })
+        if (viewModel.sourceLiveData.value == null) {
+            val sourceID = intent.getStringExtra("data")
+            if (sourceID == null) {
+                upRecyclerView(null)
+            } else {
+                sourceID.let { viewModel.setSource(sourceID) }
+            }
+        } else {
+            upRecyclerView(viewModel.sourceLiveData.value)
+        }
     }
 
     override fun onDestroy() {
@@ -53,6 +68,9 @@ class RssSourceEditActivity :
         recycler_view.adapter = adapter
     }
 
+    private fun upRecyclerView(rssSource: RssSource?) {
+
+    }
 
     override fun sendText(text: String) {
         if (text.isBlank()) return

app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditViewModel.kt

@@ -1,9 +1,22 @@
 package io.legado.app.ui.rss.source.edit
 
 import android.app.Application
+import androidx.lifecycle.MutableLiveData
+import io.legado.app.App
 import io.legado.app.base.BaseViewModel
+import io.legado.app.data.entities.RssSource
 
 class RssSourceEditViewModel(application: Application) : BaseViewModel(application) {
 
+    val sourceLiveData: MutableLiveData<RssSource> = MutableLiveData()
+
+    fun setSource(key: String) {
+        execute {
+            App.db.rssSourceDao().getByKey(key)?.let {
+                sourceLiveData.postValue(it)
+            } ?: sourceLiveData.postValue(RssSource())
+        }
+    }
+
 
 }