first commit

src/state.rs

@@ -0,0 +1,38 @@
+use std::{sync::Arc, time::Instant};
+use chrono::Utc;
+use serde_json::Value;
+use tokio::sync::{broadcast, RwLock};
+use crate::{config::Config, db::Db, models::{ApiEvent, RuntimeSettings}, protocol::GreeClient};
+
+#[derive(Clone)]
+pub struct AppState {
+    pub db: Db,
+    pub settings: Arc<RwLock<RuntimeSettings>>,
+    pub config: Arc<Config>,
+    pub gree: GreeClient,
+    pub events: broadcast::Sender<ApiEvent>,
+    pub http: reqwest::Client,
+    pub started: Instant,
+}
+
+impl AppState {
+    pub fn broadcast(&self, event: impl Into<String>, data: Value) {
+        let _ = self.events.send(ApiEvent {
+            event: event.into(),
+            timestamp: Utc::now(),
+            data,
+        });
+    }
+
+    pub fn log(&self, level: &str, kind: &str, message: &str, metadata: Value) {
+        if let Err(err) = self.db.log_event(level, kind, message, &metadata) {
+            tracing::warn!(error=?err, "cannot persist event log");
+        }
+        self.broadcast("log.created", serde_json::json!({
+            "level": level,
+            "kind": kind,
+            "message": message,
+            "metadata": metadata,
+        }));
+    }
+}