From 256d287ba68a83a04ec24f6171a72a64a77f9093 Mon Sep 17 00:00:00 2001
From: Tolmachev Igor <me@igorek.dev>
Date: Fri, 26 Sep 2025 20:46:02 +0300
Subject: Add Query extractor

---
 src/error/client.rs  |  3 +++
 src/error/mod.rs     |  8 +++++++-
 src/extract/mod.rs   |  2 ++
 src/extract/query.rs | 21 +++++++++++++++++++++
 4 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 src/extract/query.rs

diff --git a/src/error/client.rs b/src/error/client.rs
index 07d5f97..e93bbb7 100644
--- a/src/error/client.rs
+++ b/src/error/client.rs
@@ -1,5 +1,6 @@
 pub enum ClientError {
     BadJsonBody(String),
+    BadQueryString(String),
     BadAuthTokenHeader(String),
     UsernameIsTaken { username: String },
     InvalidPassword,
@@ -13,6 +14,7 @@ impl ClientError {
     pub fn kind(&self) -> String {
         match self {
             Self::BadJsonBody(..) => "BadJsonBody",
+            Self::BadQueryString(..) => "BadQueryString",
             Self::BadAuthTokenHeader(..) => "BadAuthTokenHeader",
             Self::UsernameIsTaken { .. } => "UsernameIsTaken",
             Self::InvalidPassword => "InvalidPassword",
@@ -27,6 +29,7 @@ impl ClientError {
     pub fn into_message(self) -> String {
         match self {
             Self::BadJsonBody(msg) => msg,
+            Self::BadQueryString(msg) => msg,
             Self::BadAuthTokenHeader(msg) => msg,
             Self::UsernameIsTaken { username } => {
                 format!("username `{}` is taken", username)
diff --git a/src/error/mod.rs b/src/error/mod.rs
index 4b8e1c4..07db26f 100644
--- a/src/error/mod.rs
+++ b/src/error/mod.rs
@@ -5,7 +5,7 @@ pub use client::ClientError;
 pub use server::ServerError;
 
 use argon2::password_hash::Error as PasswordHashError;
-use axum::extract::rejection::JsonRejection;
+use axum::extract::rejection::{JsonRejection, QueryRejection};
 use axum_extra::typed_header::TypedHeaderRejection;
 use sea_orm::DbErr;
 
@@ -34,6 +34,12 @@ impl From<JsonRejection> for ApiError {
     }
 }
 
+impl From<QueryRejection> for ApiError {
+    fn from(value: QueryRejection) -> Self {
+        ClientError::BadJsonBody(value.body_text()).into()
+    }
+}
+
 impl From<TypedHeaderRejection> for ApiError {
     fn from(value: TypedHeaderRejection) -> Self {
         ClientError::BadAuthTokenHeader(value.to_string()).into()
diff --git a/src/extract/mod.rs b/src/extract/mod.rs
index b46a610..e16b9d4 100644
--- a/src/extract/mod.rs
+++ b/src/extract/mod.rs
@@ -1,5 +1,7 @@
 mod auth;
 mod json;
+mod query;
 
 pub use auth::Auth;
 pub use json::ApiJson;
+pub use query::ApiQuery;
diff --git a/src/extract/query.rs b/src/extract/query.rs
new file mode 100644
index 0000000..53c8993
--- /dev/null
+++ b/src/extract/query.rs
@@ -0,0 +1,21 @@
+use axum::{
+    extract::{FromRequestParts, Query, rejection::QueryRejection},
+    http::request::Parts,
+};
+
+use crate::ErrorResponse;
+
+pub struct ApiQuery<T>(pub T);
+
+impl<S, T> FromRequestParts<S> for ApiQuery<T>
+where
+    Query<T>: FromRequestParts<S, Rejection = QueryRejection>,
+    S: Send + Sync,
+{
+    type Rejection = ErrorResponse;
+
+    #[inline]
+    async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
+        Ok(Self(Query::from_request_parts(parts, state).await?.0))
+    }
+}
-- 
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