Initial DB implementation

crates-proxy/yaak-proxy-lib/src/db.rs

@@ -0,0 +1,33 @@
+use include_dir::{Dir, include_dir};
+use r2d2::Pool;
+use r2d2_sqlite::SqliteConnectionManager;
+use std::path::Path;
+use yaak_database::{ConnectionOrTx, DbContext, run_migrations};
+
+static MIGRATIONS: Dir<'static> = include_dir!("$CARGO_MANIFEST_DIR/migrations");
+
+#[derive(Clone)]
+pub struct ProxyQueryManager {
+    pool: Pool<SqliteConnectionManager>,
+}
+
+impl ProxyQueryManager {
+    pub fn new(db_path: &Path) -> Self {
+        let manager = SqliteConnectionManager::file(db_path);
+        let pool = Pool::builder()
+            .max_size(5)
+            .build(manager)
+            .expect("Failed to create proxy DB pool");
+        run_migrations(&pool, &MIGRATIONS).expect("Failed to run proxy DB migrations");
+        Self { pool }
+    }
+
+    pub fn with_conn<F, T>(&self, func: F) -> T
+    where
+        F: FnOnce(&DbContext) -> T,
+    {
+        let conn = self.pool.get().expect("Failed to get proxy DB connection");
+        let ctx = DbContext::new(ConnectionOrTx::Connection(conn));
+        func(&ctx)
+    }
+}