api: FromConn for serde_json::Value and querystrong::QueryStrong

api/Cargo.toml

@@ -11,13 +11,14 @@ keywords = ["trillium", "framework", "async"]
 categories = ["web-programming::http-server", "web-programming"]
 
 [features]
-default = ["forms"]
+default = ["forms", "querystrong"]
 forms = ["serde_urlencoded", "form_urlencoded"]
 
 [dependencies]
 form_urlencoded = { version = "1.2.0", optional = true }
 log = "0.4.19"
 mime = "0.3.17"
+querystrong = { version = "0.3.0", optional = true }
 serde = { version = "1.0.181", features = ["derive"] }
 serde_json = "1.0.104"
 serde_path_to_error = "0.1.14"

api/src/from_conn.rs

@@ -1,3 +1,4 @@
+use crate::ApiConnExt;
 use trillium::{async_trait, Conn};
 
 /// A trait to extract content from [`Conn`]s to be used as the second
@@ -37,6 +38,22 @@ impl<E: FromConn> FromConn for Option<E> {
     }
 }
 
+#[async_trait]
+impl FromConn for serde_json::Value {
+    async fn from_conn(conn: &mut Conn) -> Option<Self> {
+        let res = conn.deserialize_json::<serde_json::Value>().await;
+        conn.store_error(res)
+    }
+}
+
+#[cfg(feature = "querystrong")]
+#[async_trait]
+impl FromConn for querystrong::QueryStrong {
+    async fn from_conn(conn: &mut Conn) -> Option<Self> {
+        Some(conn.querystring().parse().unwrap_or_default())
+    }
+}
+
 macro_rules! impl_from_conn_tuple {
     ($($name:ident)+) => (
         #[async_trait]