bug: fixing updating of properties in presentation_model

src/qml/presenter/PresentationEditor.qml

@@ -183,7 +183,7 @@ Item {
     }
 
     function changePresentation(index) {
-        let pres = presProxyModel.getPresentation(index);
+        let pres = presProxyModel.presentationModel.getItem(index);
         root.presentation = pres;
         console.log(pres.filePath.toString());
         updatePageCount(presentationPreview.frameCount);
@@ -193,7 +193,7 @@ Item {
 
     function updateTitle(text) {
         changeTitle(text, false);
-        pressqlmodel.updateTitle(presentation.id, text);
+        presProxyModel.presentationModel.updateTitle(presentation.id, text);
         showPassiveNotification(presentation.title);
     }
 
@@ -208,6 +208,6 @@ Item {
         if (curPageCount === presentation.pageCount)
             return;
         presentation.pageCount = pageCount;
-        pressqlmodel.updatePageCount(presentation.id, pageCount);
+        presProxyModel.presentationModel.updatePageCount(presentation.id, pageCount);
     }
 }

src/rust/presentation_model.rs

@@ -5,7 +5,7 @@ mod presentation_model {
     use crate::reveal_js;
     use crate::schema::presentations::dsl::*;
     use diesel::sqlite::SqliteConnection;
-    use diesel::{delete, insert_into, prelude::*};
+    use diesel::{delete, insert_into, prelude::*, update};
     // use sqlx::Connection;
     use std::path::{Path, PathBuf};
 
@@ -259,6 +259,38 @@ mod presentation_model {
             qvariantmap
         }
 
+        #[qinvokable]
+        pub fn update_title(mut self: Pin<&mut Self>, index: i32, updated_title: QString) -> bool {
+            let mut vector_roles = QVector_i32::default();
+            vector_roles.append(self.as_ref().get_role(Role::TitleRole));
+            let model_index = &self.as_ref().index(index, 0, &QModelIndex::default());
+
+            let db = &mut self.as_mut().get_db();
+            let result = update(presentations.filter(id.eq(index)))
+                .set(title.eq(updated_title.to_string()))
+                .execute(db);
+            match result {
+                Ok(_i) => {
+                    for presentation in self
+                        .as_mut()
+                        .presentations_mut()
+                        .iter_mut()
+                        .filter(|x| x.id == index)
+                    {
+                        presentation.title = updated_title.to_string();
+                        println!("rust-title: {:?}", presentation.title);
+                    }
+                    // TODO this seems to not be updating in the actual list
+                    self.as_mut()
+                        .emit_data_changed(model_index, model_index, &vector_roles);
+                    // self.as_mut().emit_title_changed();
+                    println!("rust-title: {:?}", updated_title);
+                    true
+                }
+                Err(_e) => false,
+            }
+        }
+
         fn get_role(&self, role: Role) -> i32 {
             match role {
                 Role::IdRole => 0,