mirror of
https://github.com/actix/examples
synced 2025-06-29 10:14:58 +02:00
Rename graphql-demo to juniper-advanced
This commit is contained in:
Yuki Okushi
3
juniper-advanced/src/schemas/mod.rs
Normal file
3
juniper-advanced/src/schemas/mod.rs
Normal file
@ -0,0 +1,3 @@
|
||||
pub mod product;
|
||||
pub mod root;
|
||||
pub mod user;
|
||||
51
juniper-advanced/src/schemas/product.rs
Normal file
51
juniper-advanced/src/schemas/product.rs
Normal file
@ -0,0 +1,51 @@
|
||||
use mysql::{from_row, params, Error as DBError, Row};
|
||||
|
||||
use crate::schemas::root::Context;
|
||||
use crate::schemas::user::User;
|
||||
|
||||
/// Product
|
||||
#[derive(Default, Debug)]
|
||||
pub struct Product {
|
||||
pub id: String,
|
||||
pub user_id: String,
|
||||
pub name: String,
|
||||
pub price: f64,
|
||||
}
|
||||
|
||||
#[juniper::object(Context = Context)]
|
||||
impl Product {
|
||||
fn id(&self) -> &str {
|
||||
&self.id
|
||||
}
|
||||
fn user_id(&self) -> &str {
|
||||
&self.user_id
|
||||
}
|
||||
fn name(&self) -> &str {
|
||||
&self.name
|
||||
}
|
||||
fn price(&self) -> f64 {
|
||||
self.price
|
||||
}
|
||||
|
||||
fn user(&self, context: &Context) -> Option<User> {
|
||||
let mut conn = context.dbpool.get().unwrap();
|
||||
let user: Result<Option<Row>, DBError> = conn.first_exec(
|
||||
"SELECT * FROM user WHERE id=:id",
|
||||
params! {"id" => &self.user_id},
|
||||
);
|
||||
if let Err(err) = user {
|
||||
None
|
||||
} else {
|
||||
let (id, name, email) = from_row(user.unwrap().unwrap());
|
||||
Some(User { id, name, email })
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(GraphQLInputObject)]
|
||||
#[graphql(description = "Product Input")]
|
||||
pub struct ProductInput {
|
||||
pub user_id: String,
|
||||
pub name: String,
|
||||
pub price: f64,
|
||||
}
|
||||
175
juniper-advanced/src/schemas/root.rs
Normal file
175
juniper-advanced/src/schemas/root.rs
Normal file
@ -0,0 +1,175 @@
|
||||
use juniper::{FieldError, FieldResult, RootNode};
|
||||
use mysql::{from_row, params, Error as DBError, Row};
|
||||
|
||||
use crate::db::Pool;
|
||||
|
||||
use super::product::{Product, ProductInput};
|
||||
use super::user::{User, UserInput};
|
||||
|
||||
pub struct Context {
|
||||
pub dbpool: Pool,
|
||||
}
|
||||
|
||||
impl juniper::Context for Context {}
|
||||
|
||||
pub struct QueryRoot;
|
||||
|
||||
#[juniper::object(Context = Context)]
|
||||
impl QueryRoot {
|
||||
#[graphql(description = "List of all users")]
|
||||
fn users(context: &Context) -> FieldResult<Vec<User>> {
|
||||
let mut conn = context.dbpool.get().unwrap();
|
||||
let users = conn
|
||||
.prep_exec("select * from user", ())
|
||||
.map(|result| {
|
||||
result
|
||||
.map(|x| x.unwrap())
|
||||
.map(|mut row| {
|
||||
let (id, name, email) = from_row(row);
|
||||
User { id, name, email }
|
||||
})
|
||||
.collect()
|
||||
})
|
||||
.unwrap();
|
||||
Ok(users)
|
||||
}
|
||||
|
||||
#[graphql(description = "Get Single user reference by user ID")]
|
||||
fn user(context: &Context, id: String) -> FieldResult<User> {
|
||||
let mut conn = context.dbpool.get().unwrap();
|
||||
|
||||
let user: Result<Option<Row>, DBError> =
|
||||
conn.first_exec("SELECT * FROM user WHERE id=:id", params! {"id" => id});
|
||||
|
||||
if let Err(err) = user {
|
||||
return Err(FieldError::new(
|
||||
"User Not Found",
|
||||
graphql_value!({ "not_found": "user not found" }),
|
||||
));
|
||||
}
|
||||
|
||||
let (id, name, email) = from_row(user.unwrap().unwrap());
|
||||
Ok(User { id, name, email })
|
||||
}
|
||||
|
||||
#[graphql(description = "List of all users")]
|
||||
fn products(context: &Context) -> FieldResult<Vec<Product>> {
|
||||
let mut conn = context.dbpool.get().unwrap();
|
||||
let products = conn
|
||||
.prep_exec("select * from product", ())
|
||||
.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();
|
||||
Ok(products)
|
||||
}
|
||||
|
||||
#[graphql(description = "Get Single user reference by user ID")]
|
||||
fn product(context: &Context, id: String) -> FieldResult<Product> {
|
||||
let mut conn = context.dbpool.get().unwrap();
|
||||
let product: Result<Option<Row>, DBError> =
|
||||
conn.first_exec("SELECT * FROM user WHERE id=:id", params! {"id" => id});
|
||||
if let Err(err) = product {
|
||||
return Err(FieldError::new(
|
||||
"Product Not Found",
|
||||
graphql_value!({ "not_found": "product not found" }),
|
||||
));
|
||||
}
|
||||
|
||||
let (id, user_id, name, price) = from_row(product.unwrap().unwrap());
|
||||
Ok(Product {
|
||||
id,
|
||||
user_id,
|
||||
name,
|
||||
price,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
pub struct MutationRoot;
|
||||
|
||||
#[juniper::object(Context = Context)]
|
||||
impl MutationRoot {
|
||||
fn create_user(context: &Context, user: UserInput) -> FieldResult<User> {
|
||||
let mut conn = context.dbpool.get().unwrap();
|
||||
let new_id = uuid::Uuid::new_v4().to_simple().to_string();
|
||||
|
||||
let insert: Result<Option<Row>, DBError> = conn.first_exec(
|
||||
"INSERT INTO user(id, name, email) VALUES(:id, :name, :email)",
|
||||
params! {
|
||||
"id" => &new_id,
|
||||
"name" => &user.name,
|
||||
"email" => &user.email,
|
||||
},
|
||||
);
|
||||
|
||||
match insert {
|
||||
Ok(opt_row) => Ok(User {
|
||||
id: new_id,
|
||||
name: user.name,
|
||||
email: user.email,
|
||||
}),
|
||||
Err(err) => {
|
||||
let msg = match err {
|
||||
DBError::MySqlError(err) => err.message,
|
||||
_ => "internal error".to_owned(),
|
||||
};
|
||||
Err(FieldError::new(
|
||||
"Failed to create new user",
|
||||
graphql_value!({ "internal_error": msg }),
|
||||
))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn create_product(context: &Context, product: ProductInput) -> FieldResult<Product> {
|
||||
let mut conn = context.dbpool.get().unwrap();
|
||||
let new_id = uuid::Uuid::new_v4().to_simple().to_string();
|
||||
|
||||
let insert: Result<Option<Row>, DBError> = conn.first_exec(
|
||||
"INSERT INTO product(id, user_id, name, price) VALUES(:id, :user_id, :name, :price)",
|
||||
params! {
|
||||
"id" => &new_id,
|
||||
"user_id" => &product.user_id,
|
||||
"name" => &product.name,
|
||||
"price" => &product.price.to_owned(),
|
||||
},
|
||||
);
|
||||
|
||||
match insert {
|
||||
Ok(opt_row) => Ok(Product {
|
||||
id: new_id,
|
||||
user_id: product.user_id,
|
||||
name: product.name,
|
||||
price: product.price,
|
||||
}),
|
||||
Err(err) => {
|
||||
let msg = match err {
|
||||
DBError::MySqlError(err) => err.message,
|
||||
_ => "internal error".to_owned(),
|
||||
};
|
||||
Err(FieldError::new(
|
||||
"Failed to create new product",
|
||||
graphql_value!({ "internal_error": msg }),
|
||||
))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub type Schema = RootNode<'static, QueryRoot, MutationRoot>;
|
||||
|
||||
pub fn create_schema() -> Schema {
|
||||
Schema::new(QueryRoot, MutationRoot)
|
||||
}
|
||||
58
juniper-advanced/src/schemas/user.rs
Normal file
58
juniper-advanced/src/schemas/user.rs
Normal file
@ -0,0 +1,58 @@
|
||||
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();
|
||||
|
||||
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()
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user