recipes/backend/src/data/asynchronous.rs
2022-11-29 15:58:06 +01:00

104 lines
No EOL
3.9 KiB
Rust

//! Functions to be called from actix code. They are asynchonrous and won't block worker thread caller.
use std::fmt;
use chrono::{prelude::*, Duration};
use actix_web::{web, error::BlockingError};
use super::db::*;
use crate::model;
use crate::user::User;
#[derive(Debug)]
pub enum DBAsyncError {
DBError(DBError),
ActixError(BlockingError),
Other(String),
}
impl fmt::Display for DBAsyncError {
fn fmt(&self, f: &mut fmt::Formatter) -> std::result::Result<(), fmt::Error> {
write!(f, "{:?}", self)
}
}
impl std::error::Error for DBAsyncError { }
impl From<DBError> for DBAsyncError {
fn from(error: DBError) -> Self {
DBAsyncError::DBError(error)
}
}
impl From<BlockingError> for DBAsyncError {
fn from(error: BlockingError) -> Self {
DBAsyncError::ActixError(error)
}
}
impl DBAsyncError {
fn from_dyn_error(error: Box<dyn std::error::Error>) -> Self {
DBAsyncError::Other(error.to_string())
}
}
fn combine_errors<T>(error: std::result::Result<std::result::Result<T, DBAsyncError>, BlockingError>) -> Result<T> {
error?
}
type Result<T> = std::result::Result<T, DBAsyncError>;
impl Connection {
pub async fn get_all_recipe_titles_async(&self) -> Result<Vec<(i32, String)>> {
let self_copy = self.clone();
web::block(move || { self_copy.get_all_recipe_titles().unwrap_or_default() }).await.map_err(DBAsyncError::from)
}
pub async fn get_recipe_async(&self, id: i32) -> Result<model::Recipe> {
let self_copy = self.clone();
combine_errors(web::block(move || { self_copy.get_recipe(id).map_err(DBAsyncError::from) }).await)
}
pub async fn load_user_async(&self, user_id: i32) -> Result<User> {
let self_copy = self.clone();
combine_errors(web::block(move || { self_copy.load_user(user_id).map_err(DBAsyncError::from) }).await)
}
pub async fn sign_up_async(&self, email: &str, password: &str) -> Result<SignUpResult> {
let self_copy = self.clone();
let email_copy = email.to_string();
let password_copy = password.to_string();
combine_errors(web::block(move || { self_copy.sign_up(&email_copy, &password_copy).map_err(DBAsyncError::from) }).await)
}
pub async fn validation_async(&self, token: &str, validation_time: Duration, ip: &str, user_agent: &str) -> Result<ValidationResult> {
let self_copy = self.clone();
let token_copy = token.to_string();
let ip_copy = ip.to_string();
let user_agent_copy = user_agent.to_string();
combine_errors(web::block(move || { self_copy.validation(&token_copy, validation_time, &ip_copy, &user_agent_copy).map_err(DBAsyncError::from) }).await)
}
pub async fn sign_in_async(&self, email: &str, password: &str, ip: &str, user_agent: &str) -> Result<SignInResult> {
let self_copy = self.clone();
let email_copy = email.to_string();
let password_copy = password.to_string();
let ip_copy = ip.to_string();
let user_agent_copy = user_agent.to_string();
combine_errors(web::block(move || { self_copy.sign_in(&email_copy, &password_copy, &ip_copy, &user_agent_copy).map_err(DBAsyncError::from) }).await)
}
pub async fn authentication_async(&self, token: &str, ip: &str, user_agent: &str) -> Result<AuthenticationResult> {
let self_copy = self.clone();
let token_copy = token.to_string();
let ip_copy = ip.to_string();
let user_agent_copy = user_agent.to_string();
combine_errors(web::block(move || { self_copy.authentication(&token_copy, &ip_copy, &user_agent_copy).map_err(DBAsyncError::from) }).await)
}
pub async fn sign_out_async(&self, token: &str) -> Result<()> {
let self_copy = self.clone();
let token_copy = token.to_string();
combine_errors(web::block(move || { self_copy.sign_out(&token_copy).map_err(DBAsyncError::from) }).await)
}
}