feat: Implement Balance retrieve

src/resources.rs

@@ -14,6 +14,7 @@ mod types;
 #[path = "resources"]
 mod core {
     pub mod account_ext;
+    pub mod balance_ext;
     pub mod balance_transaction_ext;
     pub mod charge_ext;
     pub mod customer_ext;
@@ -293,7 +294,7 @@ pub use {
 #[cfg(feature = "webhook-endpoints")]
 pub use {
     webhook_endpoints::webhook_endpoint_ext::*,
-    generated::webhook_endpoints::webhook_endpoint::*, 
+    generated::webhook_endpoints::webhook_endpoint::*,
 };
 
 #[cfg(not(feature = "full"))]

src/resources/balance_ext.rs

@@ -0,0 +1,15 @@
+use crate::client::{Client, Response};
+use crate::ids::AccountId;
+use crate::resources::Balance;
+
+impl Balance {
+    /// Retrieves balance object by AccountId. Does not change stripe_account of the client.
+    ///
+    /// For more details see <https://stripe.com/docs/api/balance/balance_retrieve>.
+    pub fn retrieve(client: &Client, account_id: Option<AccountId>) -> Response<Balance> {
+        match account_id {
+            Some(account_id) => client.clone().with_stripe_account(account_id).get("/balance"),
+            None => client.get("/balance"),
+        }
+    }
+}