progress

gpx-rs/src/controller.rs

@@ -1,8 +1,21 @@
 use std::rc::Rc;
 
+use uuid::Uuid;
 use wasm_bindgen::prelude::*;
 
-use crate::stack::Stack;
+use crate::{
+    actions::parse,
+    gpx::GPXFile,
+    stack::{Stack, StackEntry},
+};
+
+// Control flow
+// - get lock to cancel any other updates
+// - update files
+// - update separate statistics
+// - update selection
+// - update selection statistics
+// - notify UI (changed files, updated selection, new stats)
 
 #[wasm_bindgen]
 pub struct Controller {
@@ -18,10 +31,31 @@ impl Controller {
         }
     }
 
-    // #[wasm_bindgen]
-    // pub fn create_file(&mut self, name: &str) {
-    //     let id = self.stack.get_new_file_id();
-    //     let file = Rc::new(GPXFile::new(id, name));
-    //     self.stack.update(&[file]);
-    // }
+    #[wasm_bindgen]
+    pub fn create_file(&mut self, name: &str) {
+        let mut file = GPXFile::default();
+        file.info.name = name.to_string();
+        self.stack.create_and_push_next(|entry: &mut StackEntry| {
+            entry.insert(file.id, Rc::new(file));
+            true
+        });
+    }
+
+    #[wasm_bindgen]
+    pub fn load_file(&mut self, data: &[u8]) {
+        if let Ok(file) = parse(data) {
+            self.stack.create_and_push_next(|entry: &mut StackEntry| {
+                entry.insert(file.id, Rc::new(file));
+                true
+            });
+        }
+    }
+
+    #[wasm_bindgen]
+    pub fn delete_file(&mut self, id: &[u8]) {
+        if let Ok(id) = Uuid::from_slice(id) {
+            self.stack
+                .create_and_push_next(|entry: &mut StackEntry| entry.remove(&id).is_some());
+        }
+    }
 }