enhance: typed request, thanks to crabtime

sdgb-api/Cargo.toml

@@ -39,3 +39,6 @@ cbc = { version = "0.1.2", features = ["alloc"] }
 aes = "0.8.4"
 cipher = { version = "0.4.4", features = ["block-padding"] }
 bincode = { version = "2.0.1", optional = true }
+
+# magic macro
+crabtime = { git = "https://github.com/wdanilo/crabtime.git", rev = "2ed856f5" }

sdgb-api/src/title/methods/mod.rs

@@ -1,3 +1,5 @@
+use serde::{Deserialize, Serialize};
+
 #[derive(strum::IntoStaticStr)]
 pub enum APIMethod {
     GetGameChargeApi,
@@ -45,6 +47,36 @@ pub enum APIMethod {
     UserLogoutApi,
 }
 
+pub trait APIExt {
+    const METHOD: APIMethod;
+    type Payload: Serialize + Send + 'static;
+    type Output: for<'de> Deserialize<'de>;
+}
+
+#[crabtime::function]
+fn api_implement(api_names: Vec<String>) {
+    for api_name in api_names {
+        let api_name = api_name;
+        crabtime::output!(
+            pub struct {{api_name}};
+
+            impl APIExt for {{api_name}} {
+                const METHOD: APIMethod = APIMethod::{{api_name}};
+                type Payload = crate::title::model::{{api_name}};
+                type Output  = crate::title::model::{{api_name}}Resp;
+            }
+        );
+    }
+}
+
+api_implement!([
+    "Ping",
+    "UserLoginApi",
+    "UserLogoutApi",
+    "GetUserDataApi",
+    "GetUserPreviewApi",
+]);
+
 #[cfg(test)]
 mod _test {
     use crate::title::{MaiVersionExt, Sdgb1_50, methods::APIMethod};

sdgb-api/src/title/mod.rs

@@ -1,6 +1,6 @@
 use std::fmt::Display;
 
-use crate::title::methods::APIMethod;
+use crate::title::methods::{APIExt, APIMethod};
 
 pub mod encryption;
 pub mod methods;
@@ -107,6 +107,14 @@ pub trait MaiVersionExt: MaiVersion {
             Ok(serde_json::from_slice(&raw_data)?)
         }
     }
+
+    fn request_ext<M: APIExt>(
+        client: &AsyncClient,
+        data: M::Payload,
+        agent_extra: impl Display + Send + 'static,
+    ) -> impl Future<Output = Result<M::Output, ApiError>> {
+        Self::request(client, M::METHOD, agent_extra, data)
+    }
 }
 
 pub struct Sdgb1_40;