fixed webserver not working

- shared store in main
- multiple tasks for webserver

src/webserver/api.rs

@@ -0,0 +1,66 @@
+use alloc::string::String;
+use picoserve::{
+    extract::{Json, State},
+    response::{self, IntoResponse},
+};
+use serde::Deserialize;
+
+use crate::{
+    store::{Name, TallyID},
+    webserver::app::AppState,
+};
+
+#[derive(Deserialize)]
+pub struct NewMapping {
+    id: String,
+    name: Name,
+}
+
+pub fn hex_string_to_tally_id(s: &str) -> Option<TallyID> {
+    let bytes = s.as_bytes();
+    if bytes.len() != 24 {
+        return None;
+    }
+
+    let mut out = [0u8; 12];
+    for i in 0..12 {
+        let hi = hex_val(bytes[2 * i])?;
+        let lo = hex_val(bytes[2 * i + 1])?;
+        out[i] = (hi << 4) | lo;
+    }
+    Some(out)
+}
+
+fn hex_val(b: u8) -> Option<u8> {
+    match b {
+        b'0'..=b'9' => Some(b - b'0'),
+        b'a'..=b'f' => Some(b - b'a' + 10),
+        b'A'..=b'F' => Some(b - b'A' + 10),
+        _ => None,
+    }
+}
+
+/*
+ *  #[get("/api/idevent")]
+ *  #[get("/api/csv")]
+ *  #[get("/api/mapping")]
+ *  #[post("/api/mapping", format = "json", data = "<new_mapping>")]
+ *  struct NewMapping {
+ *      id: String,
+ *      name: Name,
+ *  }
+*/
+
+pub async fn get_mapping(State(state): State<AppState>) -> impl IntoResponse {
+    let store = state.store.lock().await;
+    response::Json(store.mapping.clone())
+}
+
+pub async fn add_mapping(
+    State(state): State<AppState>,
+    Json(data): Json<NewMapping>,
+) -> impl IntoResponse {
+    let mut store = state.store.lock().await;
+    let tally_id = hex_string_to_tally_id(&data.id).unwrap();
+    store.mapping.add_mapping(tally_id, data.name);
+}