examples/graphql-demo/src/schemas/user.rs

use juniper;
use mysql::{from_row, params};

use crate::schemas::product::Product;
use crate::schemas::root::Context;

/// User
#[derive(Default, Debug)]
pub struct User {
    pub id: String,
    pub name: String,
    pub email: String,
}

#[derive(GraphQLInputObject)]
#[graphql(description = "User Input")]
pub struct UserInput {
    pub name: String,
    pub email: String,
}

#[juniper::object(Context = Context)]
impl User {
    fn id(&self) -> &str {
        &self.id
    }
    fn name(&self) -> &str {
        &self.name
    }
    fn email(&self) -> &str {
        &self.email
    }

    fn products(&self, context: &Context) -> Vec<Product> {
        let mut conn = context.dbpool.get().unwrap();
        let products = conn
            .prep_exec(
                "select * from product where user_id=:user_id",
                params! {
                    "user_id" => &self.id
                },
            )
            .map(|result| {
                result
                    .map(|x| x.unwrap())
                    .map(|mut row| {
                        let (id, user_id, name, price) = from_row(row);
                        Product {
                            id,
                            user_id,
                            name,
                            price,
                        }
                    })
                    .collect()
            })
            .unwrap();
        products
    }
}