provide a featured web framework
- everything of actix-web
- automatically swagger api generation
- built-in message mechanism
- environment based configuration system
- logging system
- opt-in prometheus integration
- sqlx based magic ORM
- cron-based task system
add dependency into Cargo.toml
gotcha = {version = "0.1"}
tokio = {version = "1", features = ["macros", 'rt-multi-thread']}
serde = {version="1", features=["derive"]}use gotcha::{get, App, GotchaAppWrapperExt, GotchaCli, HttpServer, Responder};
use serde::Deserialize;
#[get("/")]
pub async fn hello_world() -> impl Responder {
"hello world"
}
#[derive(Debug, Deserialize, Clone)]
struct Config {}
#[tokio::main]
async fn main() {
GotchaCli::<_, Config>::new()
.server(|config| async move {
HttpServer::new(|| {
App::new()
.into_gotcha()
.service(hello_world)
.data(config)
.done()
})
.bind(("127.0.0.1", 8080))
.unwrap()
.run()
.await;
})
.run()
.await
}Conservator ORM is based on sqlx, currently it only support postgres
#[derive(Debug, Deserialize, Serialize, Domain, FromRow)]
#[domain(table = "users")]
pub struct UserDomain {
#[domain(primary_key)]
pub id: Uuid,
pub username: String,
pub email: String,
pub password: String,
pub role: UserRole,
pub create_at: DateTime<Utc>,
pub last_login_at: DateTime<Utc>,
}the struct derived Domain would auto generate methods like:
find_by_idreturn optional entityfetch_one_by_idreturn entity or raisefetch_allreturn all entitiescreatepassing theCreateableto insert into table
#[derive(Debug, Deserialize, Serialize, Creatable)]
pub struct NewUser {
pub username: String,
pub email: String,
pub password: String,
}Createable means it can be executed by magic ORM, using UserDomain::create(NewUser{...}) to create a new user into
user table.
Conservator ORM aslo provide the #[magic] proc macro for those customized sql query.
use conservator::auto;
impl UserDomain {
#[magic]
pub async fn find_by__email__is<E>(email: &str, executor: E) -> Result<Option<UserEntity>, Error> {
todo!()
}
#[magic]
pub async fn exists_by_email_is<E>(_email: &str, executor: E) -> Result<bool, Error> {
todo!()
}
}code above will generate two sql query statement automatically:
select * from users where email = $1select exists(select 1 from users where email = $1)
and #[sql] aslo provide some convinent way to write customized sql query
use conservator::sql;
impl UserService {
#[sql(find)]
pub async fn find_user<E>(email: &str, executor: E) -> Result<Option<UserEntity>, Error> {
"select * from users where email = :email"
}
}notice that, rather than sqlx's $1, we use param :email in sql, it can be used in native sql execution tools as well without any modification, like IDEA.
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