chore: change config

src/main.rs

@@ -118,14 +118,10 @@ fn ligth_controll(
         if let Ok(action) = action {
             match action {
                 Action::Reload => {
-                    let new_render = render::Render::new(pool.clone());
+                    let result = render.reload_config();
-
+                    if result.is_err() || result.as_ref().ok().is_none() {
-                    if new_render.is_err() || new_render.as_ref().ok().is_none() {
+                        println!("Ehh failed to load config i guess: {:?}", result.err());
-                        println!("something every wrong {:?}", new_render.err());
-                        continue;
                     }
-
-                    render = new_render.unwrap();
                 }
                 Action::Clear => {
                     render.blank();

src/render.rs

@@ -180,6 +180,84 @@ impl Render {
         Ok(())
     }
 
+    pub fn reload_config(&mut self) -> Result<(), Box<dyn Error>> {
+        println!("Reload config");
+
+        let conn = self.conn.get()?;
+
+        let stmt = conn.prepare("SELECT ledcount, tags from configuration;");
+
+        if stmt.is_err() || stmt.as_ref().ok().is_none() {
+            Err(format!(
+                "Something went wrong while reading the database {:?}",
+                stmt.as_ref().err()
+            ))?;
+        }
+
+        let mut stmt = stmt?;
+
+        struct Data {
+            ledcount: u32,
+            tag: String,
+        }
+
+        let version_iter = stmt.query_map([], |row| {
+            Ok(Data {
+                ledcount: row.get(0)?,
+                tag: row.get(1)?,
+            })
+        });
+
+        if version_iter.is_err() || version_iter.as_ref().ok().is_none() {
+            Err(format!(
+                "Something went wrong while reading the database {:?}",
+                version_iter.as_ref().err()
+            ))?;
+        }
+
+        let version_iter = version_iter.ok().unwrap();
+
+        let mut current_pos = 0;
+
+        let mut local_led_config = Vec::new();
+
+        for data in version_iter {
+            let data = data?;
+
+            let tag = if data.tag.is_empty() {
+                None
+            } else {
+                Some(data.tag)
+            };
+
+            let start = current_pos;
+            let end = current_pos + data.ledcount;
+            current_pos = end;
+
+            let start: Result<usize, _> = start.try_into();
+            let end: Result<usize, _> = end.try_into();
+
+            if start.is_err() || start.ok().is_none() || end.is_err() || end.ok().is_none() {
+                println!("Skiping loading configuration");
+                continue;
+            }
+
+            let start = start.ok().unwrap();
+            let end = end.ok().unwrap();
+
+            local_led_config.push(LocalLedConfiguration { tag, start, end });
+        }
+
+        self.num_leds = current_pos;
+        println!(
+            "Loaded: {} leds, with config: {:?}",
+            self.num_leds, local_led_config
+        );
+        self.local_led_config = local_led_config;
+
+        Ok(())
+    }
+
     pub fn add_animation(&mut self, animation: Animation) {
         println!("Added animation");