feat: setup healthcheck route & background task

pacman-server/src/app.rs

@@ -1,10 +1,38 @@
 use dashmap::DashMap;
 use jsonwebtoken::{DecodingKey, EncodingKey};
 use std::sync::Arc;
+use tokio::sync::RwLock;
 
 use crate::data::pool::PgPool;
 use crate::{auth::AuthRegistry, config::Config};
 
+#[derive(Debug, Clone)]
+pub struct Health {
+    migrations: bool,
+    database: bool,
+}
+
+impl Health {
+    pub fn new() -> Self {
+        Self {
+            migrations: false,
+            database: false,
+        }
+    }
+
+    pub fn ok(&self) -> bool {
+        self.migrations && self.database
+    }
+
+    pub fn set_migrations(&mut self, done: bool) {
+        self.migrations = done;
+    }
+
+    pub fn set_database(&mut self, ok: bool) {
+        self.database = ok;
+    }
+}
+
 #[derive(Clone)]
 pub struct AppState {
     pub config: Arc<Config>,
@@ -13,6 +41,7 @@ pub struct AppState {
     pub jwt_encoding_key: Arc<EncodingKey>,
     pub jwt_decoding_key: Arc<DecodingKey>,
     pub db: Arc<PgPool>,
+    pub health: Arc<RwLock<Health>>,
 }
 
 impl AppState {
@@ -26,6 +55,7 @@ impl AppState {
             jwt_encoding_key: Arc::new(EncodingKey::from_secret(jwt_secret.as_bytes())),
             jwt_decoding_key: Arc::new(DecodingKey::from_secret(jwt_secret.as_bytes())),
             db: Arc::new(db),
+            health: Arc::new(RwLock::new(Health::new())),
         }
     }
 }