Validate not triggered

[Roms1383]

Hello,
I stumbled upon an issue that I can't really understand :

from my understanding, any type that implements validator::Validate should be automatically validated (as long as it is Some if inside an Option) if wrapped in a actix_web_validator::Query.

Context

logic.rs

// some more imports ...
use validator::{Validate, ValidationError, ValidationErrors}; // here I also tried to switch to actix_web_validator::Validate counterpart, unsuccessfully

#[derive(Deserialize)]
pub struct SomeOrderBy(pub String);

#[derive(Deserialize, Validate)]
pub struct Pagination<T: Validate> {
    pub order_by: Option<T>,
}

impl Validate for SomeOrderBy {
    fn validate(&self) -> Result<(), ValidationErrors> {
        println!("validating for SomeOrderBy");
        // validation logic ...
    }
}

route.rs

// some more imports ...
use actix_web_validator::Query;

#[get("my-route")]
pub async fn my_route(
    query: Query<Pagination<SomeOrderBy>>,
) -> impl Responder {
    // route logic ...
}

Expected

Given a request with an unknown value for order_by query parameter, I expect a failed validation which returns an early 400 - Bad Request.

GET /my-route?order_by=unknown

Got

The request is processed as if valid, and the validate method of SomeOrderBy is never triggered.

---

I might have messed up somewhere, if that's the case please provide some additional hints.
Thanks :)

[Roms1383]

Ok my mistake I actually understood from the source code :

use validator;
use actix_web_validator;
// some more imports ...

#[derive(Deserialize)]
pub struct SomeOrderBy(pub String);

impl validator::Validate for SomeOrderBy {
    fn validate(&self) -> Result<(), validator::ValidationErrors> {
        println!("validating for SomeOrderBy");
        // validation logic ...
    }
}

#[derive(Deserialize, actix_web_validator::Validate)]
pub struct Pagination<T: validator::Validate> {
    #[validate]
    pub order_by: Option<T>,
}

It works 🎉
Feel free to close this issue.