resolve live data on initial load

src-tauri/src/live_data/mod.rs

@@ -1,4 +1,8 @@
+use std::collections::HashMap;
+
 use serde::{Deserialize, Serialize};
+use specta::Type;
+use tauri::{AppHandle, Manager};
 
 use crate::cursor::CursorPositions;
 use crate::ufa::AppMeta;
@@ -10,6 +14,43 @@ pub enum LiveData {
     ForegroundApp { meta: AppMeta },
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize, Type)]
+#[serde(rename_all = "camelCase")]
+pub struct LiveDataSnapshot {
+    pub cursor_positions: HashMap<String, CursorPositions>,
+    pub foreground_apps: HashMap<String, AppMeta>,
+}
+
+#[tauri::command]
+#[specta::specta]
+pub fn list_live_data(handle: AppHandle) -> Result<LiveDataSnapshot, String> {
+    Ok(LiveDataSnapshot {
+        cursor_positions: handle.state::<crate::cursor::CursorState>().snapshot()?,
+        foreground_apps: handle
+            .state::<crate::ufa::ForegroundAppState>()
+            .snapshot()?,
+    })
+}
+
+pub(crate) fn publish_current(handle: &AppHandle) -> Result<(), String> {
+    let user_id = handle
+        .state::<crate::keypair::AppKeypair>()
+        .public_key()
+        .to_owned();
+    let network = handle.state::<crate::network::Network>();
+
+    if let Some(positions) = handle.state::<crate::cursor::CursorState>().get(&user_id)? {
+        network.send_live_data(LiveData::Cursor { positions });
+    }
+    if let Some(meta) = handle
+        .state::<crate::ufa::ForegroundAppState>()
+        .get(&user_id)?
+    {
+        network.send_live_data(LiveData::ForegroundApp { meta });
+    }
+    Ok(())
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;