Clean up showing the welcome and historical screens

Swapping is now done in dedicated functions instead of a big pattern
match.

After selecting a database, the app window will apply the configuration
by opening the database, saving the path to configuration, and switching
to the historical view.

fitnesstrax/app/src/app_window.rs

@@ -22,13 +22,14 @@ use adw::prelude::*;
 use chrono::{Duration, Local};
 use gio::resources_lookup_data;
 use gtk::STYLE_PROVIDER_PRIORITY_USER;
-use std::{cell::RefCell, rc::Rc};
+use std::{cell::RefCell, path::PathBuf, rc::Rc};
 
 /// The application window, or the main window, is the main user interface for the app. Almost
 /// everything occurs here.
 #[derive(Clone)]
 pub struct AppWindow {
     app: App,
+    app_id: String,
     layout: gtk::Box,
     current_view: Rc<RefCell<View>>,
     settings: gio::Settings,
@@ -99,6 +100,7 @@ impl AppWindow {
 
         let s = Self {
             app: ft_app,
+            app_id: app_id.to_owned(),
             layout,
             current_view: Rc::new(RefCell::new(initial_view)),
             settings: gio::Settings::new(app_id),
@@ -111,8 +113,8 @@ impl AppWindow {
                 let end = Local::now().date_naive();
                 let start = end - Duration::days(7);
                 match s.app.records(start, end).await {
-                    Ok(_) => s.change_view(ViewName::Historical),
-                    Err(_) => s.change_view(ViewName::Welcome),
+                    Ok(_) => s.show_historical_view(),
+                    Err(_) => s.show_welcome_view(),
                 }
             }
         });
@@ -120,8 +122,17 @@ impl AppWindow {
         s
     }
 
-    pub fn change_view(&self, view: ViewName) {
-        self.swap_main(self.construct_view(view));
+    fn show_welcome_view(&self) {
+        let view = View::Welcome(WelcomeView::new({
+            let s = self.clone();
+            move |path| s.on_apply_config(path)
+        }));
+        self.swap_main(view);
+    }
+
+    fn show_historical_view(&self) {
+        let view = View::Historical(HistoricalView::new(vec![]));
+        self.swap_main(view);
     }
 
     // Switch views.
@@ -136,16 +147,17 @@ impl AppWindow {
         self.layout.append(&current_widget.widget());
     }
 
-    fn construct_view(&self, view: ViewName) -> View {
-        match view {
-            ViewName::Welcome => View::Welcome(
-                WelcomeView::new(self.app.clone(), {
-                    let s = self.clone();
-                    move || s.change_view(ViewName::Historical)
-                })
-                .upcast(),
-            ),
-            ViewName::Historical => View::Historical(HistoricalView::new(vec![]).upcast()),
-        }
+    fn on_apply_config(&self, path: PathBuf) {
+        println!("saving configuration");
+        glib::spawn_future_local({
+            let s = self.clone();
+            async move {
+                if s.app.open_db(path.clone()).await.is_ok() {
+                    let settings = gio::Settings::new(&s.app_id);
+                    let _ = settings.set("series-path", path.to_str().unwrap());
+                    s.show_historical_view();
+                }
+            }
+        });
     }
 }

fitnesstrax/app/src/views/welcome_view.rs

@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License along with Fit
 use crate::{app::App, components::FileChooserRow};
 use glib::Object;
 use gtk::{prelude::*, subclass::prelude::*};
-use std::rc::Rc;
+use std::path::PathBuf;
 
 /// This is the view to show if the application has not yet been configured. It will walk the user
 /// through the most critical setup steps so that we can move on to the other views in the app.
@@ -43,9 +43,9 @@ glib::wrapper! {
 }
 
 impl WelcomeView {
-    pub fn new<OnSave>(app: App, on_save: OnSave) -> Self
+    pub fn new<OnSave>(on_save: OnSave) -> Self
     where
-        OnSave: Fn() + 'static,
+        OnSave: Fn(PathBuf) + 'static,
     {
         let s: Self = Object::builder().build();
         s.set_orientation(gtk::Orientation::Vertical);
@@ -81,22 +81,11 @@ impl WelcomeView {
         content.append(&db_row);
 
         save_button.connect_clicked({
-            let on_save = Rc::new(on_save);
-            let app = app.clone();
             let db_row = db_row.clone();
             move |_| {
-                println!("save button clicked. Do something");
-                let app = app.clone();
-                let db_row = db_row.clone();
-                let on_save = on_save.clone();
-                glib::spawn_future_local(async move {
-                    println!("{:?}", db_row.path());
-                    if let Some(path) = db_row.path() {
-                        if app.open_db(path).await.is_ok() {
-                            on_save();
-                        }
-                    }
-                });
+                if let Some(path) = db_row.path() {
+                    on_save(path);
+                }
             }
         });