starting to fix the update methods

All of these methods were using the id in the db as the index in the
vec to select which one to update, therefore not actually updating the item.

src/rust/songs/song_model.rs

@@ -259,43 +259,60 @@ pub mod song_model {
             }
         }
 
+        fn get_index(
+            mut self: Pin<&mut Self>,
+            song_id: i32,
+        ) -> usize {
+            self.as_ref()
+                .songs()
+                .iter()
+                .position(|x| x.id == song_id)
+                .unwrap()
+        }
+
         #[qinvokable]
         pub fn update_title(
             mut self: Pin<&mut Self>,
-            index: i32,
+            song_id: i32,
             updated_title: QString,
         ) -> bool {
             let mut vector_roles = QVector_i32::default();
             vector_roles
                 .append(self.as_ref().get_role(Role::TitleRole));
+            let index = self
+                .as_mut()
+                .songs()
+                .iter()
+                .position(|x| x.id == song_id)
+                .unwrap();
             let model_index = &self.as_ref().index(
-                index,
+                index as i32,
                 0,
                 &QModelIndex::default(),
             );
 
             let db = &mut self.as_mut().get_db();
-            let result = update(songs.filter(id.eq(index)))
+            let result = update(songs.filter(id.eq(song_id)))
                 .set(title.eq(updated_title.to_string()))
                 .execute(db);
             match result {
                 Ok(_i) => {
-                    if let Some(song) = self
+                    debug!(_i, index);
+                    for song in self
                         .as_mut()
                         .songs_mut()
-                        .get_mut(index as usize)
+                        .iter_mut()
+                        .filter(|x| x.id == song_id)
                     {
+                        debug!(?song);
                         song.title = updated_title.to_string();
-                        self.as_mut().emit_data_changed(
-                            model_index,
-                            model_index,
-                            &vector_roles,
-                        );
-                        self.as_mut().emit_title_changed();
-                        true
-                    } else {
-                        false
                     }
+                    self.as_mut().emit_data_changed(
+                        model_index,
+                        model_index,
+                        &vector_roles,
+                    );
+                    true
                 }
                 Err(_e) => false,
             }
@@ -304,7 +321,7 @@ pub mod song_model {
         #[qinvokable]
         pub fn update_lyrics(
             mut self: Pin<&mut Self>,
-            index: i32,
+            song_id: i32,
             updated_lyrics: QString,
         ) -> bool {
             let mut vector_roles = QVector_i32::default();