1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
//! # Support for `Query<T>` from `axum-extra`
//!
//! ## Feature
//!
//! Enable the `extra_query` feature to use `Valid<Query<T>>`.
//!
//! ## Usage
//!
//! 1. Implement `Deserialize` and `Validate` for your data type `T`.
//! 2. In your handler function, use `Valid<Query<T>>` as some parameter's type.
//!
//! ## Example
//!
//! ```no_run
//! #[cfg(feature = "validator")]
//! mod validator_example {
//!     use axum_extra::extract::Query;
//!     use axum::routing::post;
//!     use axum::Router;
//!     use axum_valid::Valid;
//!     use serde::Deserialize;
//!     use validator::Validate;
//!
//!     pub fn router() -> Router {
//!         Router::new().route("/query", post(handler))
//!     }
//!
//!     async fn handler(Valid(Query(parameter)): Valid<Query<Parameter>>) {
//!         assert!(parameter.validate().is_ok());
//!         // Support automatic dereferencing
//!         println!("v0 = {}, v1 = {}", parameter.v0, parameter.v1);
//!     }
//!
//!     #[derive(Validate, Deserialize)]
//!     pub struct Parameter {
//!         #[validate(range(min = 5, max = 10))]
//!         pub v0: i32,
//!         #[validate(length(min = 1, max = 10))]
//!         pub v1: String,
//!     }
//! }
//!
//! #[cfg(feature = "garde")]
//! mod garde_example {
//!     use axum::routing::post;
//!     use axum_extra::extract::Query;
//!     use axum::Router;
//!     use axum_valid::Garde;
//!     use serde::Deserialize;
//!     use garde::Validate;
//!
//!     pub fn router() -> Router {
//!         Router::new().route("/query", post(handler))
//!     }
//!
//!     async fn handler(Garde(Query(parameter)): Garde<Query<Parameter>>) {
//!         assert!(parameter.validate(&()).is_ok());
//!         // Support automatic dereferencing
//!         println!("v0 = {}, v1 = {}", parameter.v0, parameter.v1);
//!     }
//!
//!     #[derive(Validate, Deserialize)]
//!     pub struct Parameter {
//!         #[garde(range(min = 5, max = 10))]
//!         pub v0: i32,
//!         #[garde(length(min = 1, max = 10))]
//!         pub v1: String,
//!     }
//! }
//!
//! # #[tokio::main]
//! # async fn main() -> anyhow::Result<()> {
//! #     use std::net::SocketAddr;
//! #     use axum::Router;
//! #     use tokio::net::TcpListener;
//! #     let router = Router::new();
//! #     #[cfg(feature = "validator")]
//! #     let router = router.nest("/validator", validator_example::router());
//! #     #[cfg(feature = "garde")]
//! #     let router = router.nest("/garde", garde_example::router());
//! #     let listener = TcpListener::bind(&SocketAddr::from(([0u8, 0, 0, 0], 0u16))).await?;
//! #     axum::serve(listener, router.into_make_service())
//! #         .await?;
//! #     Ok(())
//! # }
//! ```

use crate::HasValidate;
#[cfg(feature = "validator")]
use crate::HasValidateArgs;
use axum_extra::extract::Query;
#[cfg(feature = "validator")]
use validator::ValidateArgs;

impl<T> HasValidate for Query<T> {
    type Validate = T;
    fn get_validate(&self) -> &T {
        &self.0
    }
}

#[cfg(feature = "validator")]
impl<'v, T: ValidateArgs<'v>> HasValidateArgs<'v> for Query<T> {
    type ValidateArgs = T;
    fn get_validate_args(&self) -> &Self::ValidateArgs {
        &self.0
    }
}

#[cfg(feature = "validify")]
impl<T: validify::Modify> crate::HasModify for Query<T> {
    type Modify = T;

    fn get_modify(&mut self) -> &mut Self::Modify {
        &mut self.0
    }
}

#[cfg(feature = "validify")]
impl<T> crate::PayloadExtractor for Query<T> {
    type Payload = T;

    fn get_payload(self) -> Self::Payload {
        self.0
    }
}

#[cfg(feature = "validify")]
impl<T: validify::Validify + validify::ValidifyPayload> crate::HasValidify for Query<T> {
    type Validify = T;
    type PayloadExtractor = Query<T::Payload>;

    fn from_validify(v: Self::Validify) -> Self {
        Query(v)
    }
}

#[cfg(test)]
mod tests {
    use crate::tests::{ValidTest, ValidTestParameter};
    use axum::http::StatusCode;
    use axum_extra::extract::Query;
    use reqwest::RequestBuilder;
    use serde::Serialize;

    impl<T: ValidTestParameter + Serialize> ValidTest for Query<T> {
        const ERROR_STATUS_CODE: StatusCode = StatusCode::BAD_REQUEST;

        fn set_valid_request(builder: RequestBuilder) -> RequestBuilder {
            builder.query(&T::valid())
        }

        fn set_error_request(builder: RequestBuilder) -> RequestBuilder {
            builder.query(T::error())
        }

        fn set_invalid_request(builder: RequestBuilder) -> RequestBuilder {
            builder.query(&T::invalid())
        }
    }
}