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rust-demo/src/repositories/user_repository.rs

155 lines
4.5 KiB
Rust

use mysql::prelude::Queryable;
use mysql::{params, Error as MysqlError};
use r2d2::{Error as R2D2Error, Pool};
use r2d2_mysql::MySqlConnectionManager;
use thiserror::Error;
use crate::models::user::User;
#[derive(Error, Debug)]
pub enum UserRepositoryError {
#[error("mysql error: {0}")]
MySqlError(#[from] MysqlError),
#[error("Connection pool error: {0}")]
PoolError(#[from] R2D2Error),
}
pub struct UserRepository {
pool: Pool<MySqlConnectionManager>,
}
impl UserRepository {
pub fn new(pool: Pool<MySqlConnectionManager>) -> Self {
UserRepository { pool }
}
/**
* 新建用户
*/
pub fn insert_user(
&self,
account: &str,
name: &str,
password: &str,
) -> Result<(), UserRepositoryError> {
let mut conn = self.pool.get().map_err(UserRepositoryError::PoolError)?;
let sql = "INSERT INTO users (account, name, password) VALUES (:account, :name, :password)";
conn.exec_drop(
sql,
params! {"account" => account, "name" => name, "password" => password},
)
.map_err(UserRepositoryError::MySqlError)?;
Ok(())
}
/**
* 根据account查询用户
*/
pub fn query_user_by_account(
&self,
account: &str,
) -> Result<Option<User>, UserRepositoryError> {
let mut conn = self
.pool
.get()
.map_err(|e| UserRepositoryError::PoolError(e))?;
let sql = "SELECT account, name FROM users WHERE account = :account";
match conn.exec_first(sql, params! {"account" => account}) {
Ok(Some(row)) => {
let (account, name) = mysql::from_row(row);
Ok(Some(User {
id: None,
name,
password: None,
account,
birth: None,
email: None,
phone: None,
status: None,
created_time: None,
updated_time: None,
}))
}
Ok(None) => Ok(None),
Err(e) => Err(UserRepositoryError::MySqlError(e)),
}
}
// /**
// * 删除用户
// */
// pub fn delete_user(&mut self, user: &User) -> Result<(), mysql::Error> {
// let mut conn = self.pool.get().unwrap();
// conn.exec_drop(
// r"DELETE FROM users WHERE id = :id",
// params! {
// "id" => &user.id,
// },
// )
// }
// /**
// * 更新用户
// */
// pub fn update_user(&mut self, user: &User) -> Result<(), mysql::Error> {
// let mut conn = self.pool.get().unwrap();
// conn.exec_drop(
// r"UPDATE users SET name = :name, age = :age, email = :email, password = :password WHERE id = :id",
// params! {
// "id" => &user.id,
// "name" => &user.name,
// "age" => &user.age,
// "email" => &user.email,
// "password" => &user.password,
// },
// )
// }
// /**
// * 查询所有用户
// */
// pub fn query_all_user(&mut self) -> Result<Vec<User>, mysql::Error> {
// let mut conn = self.pool.get().unwrap();
// conn.query_map(
// "SELECT id, name, age, email, password FROM users",
// |(id, name, age, email, password)| User {
// id,
// name,
// age,
// email,
// password,
// },
// )
// }
// /**
// * 根据用户名查询用户
// */
// pub fn query_user_by_name(&self, name: &str) -> Result<Option<User>, UserRepositoryError> {
// let mut conn = self.pool.get().map_err(UserRepositoryError::PoolError)?;
// conn.exec_first(
// "SELECT id, name, age, email, password FROM users WHERE name = :name",
// params! {
// "name" => name,
// },
// )
// }
// /**
// * 根据邮箱查询用户
// */
// pub fn query_user_by_email(&self, email: &str) -> Result<Option<User>, UserRepositoryError> {
// let mut conn = self.pool.get().map_err(UserRepositoryError::PoolError)?;
// conn.exec_first(
// "SELECT id, name, age, email, password FROM users WHERE email = :email",
// params! {
// "email" => email,
// },
// )
// }
}