feat: very basic open and view

src/app/mod.rs

@@ -33,7 +33,7 @@ struct State {
     db_path: String,
     db_path_exists: bool,
 
-    db_loaded: bool,
+    db: Option<keepass::Database>,
 
     password: String,
 
@@ -81,18 +81,27 @@ impl State {
 
             Message::ChangePassword(password) => self.password = password,
             Message::ChangeSecurity(bool) => self.is_secure = bool,
-            Message::OpenDb => todo!(),
+            Message::OpenDb => {
+                match self.open_db() {
+                    Err(e) => eprintln!("failed to open db '{}': {e}", self.db_path),
+                    Ok(()) => {
+                        #[allow(unused_must_use)]
+                        db::set_last_opened(&self.db_path)
+                            .inspect_err(|e| eprintln!("failed to set last-opened db: {e}"));
+                    }
+                };
+            }
 
             Message::FocusNext => return widget::operation::focus_next(),
             Message::FocusPrevious => return widget::operation::focus_previous(),
 
             Message::Enter => {
-                if !self.db_loaded && self.db_path_exists {
+                if self.db.is_none() && self.db_path_exists {
                     return Task::done(Message::OpenDb);
                 }
             }
             Message::Pick => {
-                if !self.db_loaded {
+                if self.db.is_none() {
                     return Task::done(Message::PickDb);
                 }
             }
@@ -101,7 +110,23 @@ impl State {
         Task::none()
     }
     fn view(&self) -> Element<'_> {
-        if !self.db_loaded {
+        if let Some(db) = self.db.as_ref() {
+            widget::scrollable(widget::row([
+                widget::column(db.iter_all_entries().map(|entry| {
+                    widget::text(entry.get_title().unwrap_or_default().to_string()).into()
+                }))
+                .into(),
+                widget::column(db.iter_all_entries().map(|entry| {
+                    widget::text(entry.get_username().unwrap_or_default().to_string()).into()
+                }))
+                .into(),
+                widget::column(db.iter_all_entries().map(|entry| {
+                    widget::text(entry.get_url().unwrap_or_default().to_string()).into()
+                }))
+                .into(),
+            ]))
+            .into()
+        } else {
             widget::container(
                 widget::column([
                     widget::row([
@@ -138,8 +163,6 @@ impl State {
             )
             .center(Length::Fill)
             .into()
-        } else {
-            widget::space().into()
         }
     }
 
@@ -165,6 +188,20 @@ impl State {
             _ => None,
         })
     }
+
+    fn open_db(&mut self) -> Result<(), String> {
+        debug_assert!(self.db_path_exists);
+
+        self.db = Some(
+            keepass::Database::open(
+                &mut fs::File::open(&self.db_path).map_err(|e| e.to_string())?,
+                keepass::DatabaseKey::new().with_password(&self.password),
+            )
+            .map_err(|e| e.to_string())?,
+        );
+
+        Ok(())
+    }
 }
 
 pub fn run() -> Result<(), iced::Error> {