Fix Delete Note issue

app/src/main/java/thecodemonks/org/nottzapp/db/NotesDao.kt

@@ -29,7 +29,11 @@
 
 package thecodemonks.org.nottzapp.db
 
-import androidx.room.*
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import androidx.room.Update
 import kotlinx.coroutines.flow.Flow
 import thecodemonks.org.nottzapp.model.Notes
 
@@ -48,7 +52,7 @@ interface NotesDao {
     @Query("SELECT * FROM notes")
     fun getNotes(): Flow<List<Notes>>
 
-    // delete notes from db
-    @Delete
-    suspend fun deleteNotes(notes: Notes)
+    // delete notes by id
+    @Query("DELETE FROM notes where id=:id")
+    suspend fun deleteNote(id: Int)
 }

app/src/main/java/thecodemonks/org/nottzapp/repo/NotesRepo.kt

@@ -44,6 +44,6 @@ class NotesRepo @Inject constructor(private val db: NotesDatabase) {
     // get saved notes
     fun getSavedNotes() = db.getNotesDao().getNotes()
 
-    // delete article
-    suspend fun deleteNotes(notes: Notes) = db.getNotesDao().deleteNotes(notes)
+    // delete note by ID
+    suspend fun deleteNote(id: Int) = db.getNotesDao().deleteNote(id)
 }

app/src/main/java/thecodemonks/org/nottzapp/ui/details/NotesDetailsFragment.kt

@@ -163,7 +163,7 @@ class NotesDetailsFragment : Fragment(R.layout.fragment_notes_details) {
         return when (item.itemId) {
 
             R.id.action_delete -> {
-                viewModel.deleteNotes(args.notes.id, args.notes.title, args.notes.description)
+                viewModel.deleteNoteByID(args.notes.id)
                 findNavController().navigateUp()
                 true
             }

app/src/main/java/thecodemonks/org/nottzapp/ui/notes/NotesFragment.kt

@@ -30,7 +30,12 @@
 package thecodemonks.org.nottzapp.ui.notes
 
 import android.os.Bundle
-import android.view.*
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
@@ -136,10 +141,8 @@ class NotesFragment : Fragment(R.layout.notes_fragment) {
                 // get item position & delete notes
                 val position = viewHolder.adapterPosition
                 val notes = notesAdapter.differ.currentList[position]
-                viewModel.deleteNotes(
-                    notes.id,
-                    notes.title,
-                    notes.description
+                viewModel.deleteNoteByID(
+                    notes.id
                 )
                 Snackbar.make(
                     binding.root,
@@ -173,6 +176,7 @@ class NotesFragment : Fragment(R.layout.notes_fragment) {
 
     private fun showEmptyState() {
         binding.emptyStateLayout.show()
+        notesAdapter.differ.submitList(emptyList())
     }
 
     private fun onNotesLoaded(notes: List<Notes>) {

app/src/main/java/thecodemonks/org/nottzapp/ui/notes/NotesViewModel.kt

@@ -78,7 +78,7 @@ class NotesViewModel @Inject internal constructor(
         notesRepo.insert(notes)
     }
 
-    // save notes
+    // update notes
     fun updateNotes(id: Int, taskName: String, taskDesc: String) = viewModelScope.launch {
         val notes = Notes(
             id = id,
@@ -101,13 +101,8 @@ class NotesViewModel @Inject internal constructor(
         }
     }
 
-    // delete notes
-    fun deleteNotes(taskID: Int, taskName: String, taskDesc: String) = viewModelScope.launch {
-        val notes = Notes(
-            id = taskID,
-            title = taskName,
-            description = taskDesc
-        )
-        notesRepo.deleteNotes(notes)
+    // delete note by ID
+    fun deleteNoteByID(id: Int) = viewModelScope.launch {
+        notesRepo.deleteNote(id)
     }
 }