Add reset button

adapter/adapter.py

@@ -79,5 +79,11 @@ def choose_move():
     return flask.jsonify(move)
 
 
+@app.route("/reset/", methods=["POST"])
+def reset():
+    (state_str,) = ask_engine("reset")
+    return flask.jsonify(parse_state(state_str))
+
+
 if __name__ == "__main__":
     app.run(debug=True, host="127.0.0.1", port=3000)

frontend/main.js

@@ -31,14 +31,18 @@ class Backend {
   getAvailableMoves(position) {
     return post_json("http://localhost:3000/get_moves/", position);
   }
+  reset() {
+    return post_json("http://localhost:3000/reset/");
+  }
 }
 
 class Chess {
   constructor() {
     this.backend = new Backend();
     this.canvas = new visuals.Canvas();
-    this.button = document.createElement("button");
     this.autoplay = false;
+
+    this.button = document.createElement("button");
     this.button.innerHTML = "Autoplay Off";
     this.button.onclick = () => {
       this.autoplay = !this.autoplay;
@@ -47,6 +51,15 @@ class Chess {
       ];
     };
     document.body.appendChild(this.button);
+
+    this.resetButton = document.createElement("button");
+    this.resetButton.innerHTML = "Reset";
+    this.resetButton.onclick = () => {
+      this.backend.reset();
+      this.updateState();
+    };
+    document.body.appendChild(this.resetButton);
+
     this.configVis = new visuals.ConfigVis(this.backend.getConfig());
     this.configVis.draw(this.canvas);
     this.activeSquares = new visuals.ActiveSquares();

rs/src/engine.rs

@@ -13,6 +13,9 @@ impl Engine {
             board,
         }
     }
+    pub fn reset(&mut self) {
+        self.board.reset()
+    }
     pub fn get_state(&self) -> &board::Board {
         &self.board
     }

rs/src/ui.rs

@@ -230,6 +230,14 @@ impl Ui {
             Err("choose_move takes 1 arg".to_owned())
         }
     }
+    fn reset(&mut self, args: &[&str]) -> Result<String, String> {
+        if let [] = args {
+            self.engine.reset();
+            Ok(format!("{}", self.engine.get_state()))
+        } else {
+            Err("reset doesn't take args".to_owned())
+        }
+    }
     fn handle_command(&mut self, s: &str) -> Result<String, String> {
         let mut cmd = s.split(',');
         // There will be at least an empty string => otherwise panic
@@ -241,6 +249,7 @@ impl Ui {
             "make_move" => self.make_move(&args),
             "set_state" => self.set_state(&args),
             "choose_move" => self.choose_move(&args),
+            "reset" => self.reset(&args),
             "" => Err("No command given".to_owned()),
             _ => Err("Invalid command".to_owned()),
         }