Cant insert poem-openapi Objects into Mongodb

[NexRX]

Hi,

I'm just getting started with poem and I love the openapi generation. By far the best feature.

I'm used to the cool ability of serializing a struct directly into bson. But when i try this:

#[derive(Debug, Object, Clone, Eq, PartialEq)]
#[oai(skip_serializing_if_is_none, rename_all = "camelCase")]
pub struct User {
    #[oai(rename = "_id", read_only)]
    pub id: Uuid,

    #[oai(validator(min_length = 3, max_length = 16, pattern = r"^[a-zA-Z0-9_]*$"))]
    pub username: String,

    pub email: Email,

    #[oai(write_only)]
    pub password: Password,
}

pub fn create(&self, new_user: &User) -> Result<InsertOneResult, ErrorMessage> {
        self.col
            .insert_one(new_user, None)
            .map_err(|err| default_handling_mongo(*err.kind))
    }

I get the following error

error[E0599]: the method `insert_one` exists for struct `mongodb::sync::Collection<model::db::user::User>`, but its trait bounds were not satisfied
   --> src\repo\user_repo.rs:121:14
    |
121 |             .insert_one(new_user, None)
    |              ^^^^^^^^^^ method cannot be called on `mongodb::sync::Collection<model::db::user::User>` due to unsatisfied trait bounds
    |
   ::: src\model\db\user.rs:16:1
    |
16  | pub struct User {
    | --------------- doesn't satisfy `_: model::token::_::_serde::Serialize`
    |
    ```

Any ways to work around this?
    
    

[NexRX]

Edited the question since the original one wasn't really striking the root of my problem.

[sunli829]

1. convert the OpenAPI object to JSON

use poem_openapi::types::ToJSON;

pub fn create(&self, new_user: &User) -> Result<InsertOneResult, ErrorMessage> {
        self.col
            .insert_one(new_user.to_json(), None) // <<<<<<<<< convert new_user to JSON
            .map_err(|err| default_handling_mongo(*err.kind))
    }

2. derive User by serde::Serialize

#[derive(Debug, Object, Clone, Eq, PartialEq, Serialize)] // <<<<<<<<<<<<< derive serde::Serialize
#[oai(skip_serializing_if_is_none, rename_all = "camelCase")]
pub struct User {
    #[oai(rename = "_id", read_only)]
    pub id: Uuid,

    #[oai(validator(min_length = 3, max_length = 16, pattern = r"^[a-zA-Z0-9_]*$"))]
    pub username: String,

    pub email: Email,

    #[oai(write_only)]
    pub password: Password,
}

[NexRX]

Okay, but would #[oai(rename = "_id", read_only)] still take effect or would I have to duplicate that for serde?

i.e.

...
#[oai(rename = "_id", read_only)]
#[serde(rename = "_id")]
pub id: Uuid,
...

Because this is what i've done in the interim.

[sunli829]

Okay, but would #[oai(rename = "_id", read_only)] still take effect or would I have to duplicate that for serde?

i.e.

...
#[oai(rename = "_id", read_only)]
#[serde(rename = "_id")]
pub id: Uuid,
...

Because this is what i've done in the interim.

Yes, to avoid confusion. 🙂

[NexRX]

Thanks so much for your help! Awesome work. I've been using rocket but after some prototyping, im switching. Love this openapi feature!