feat: central function for random string

src/lib.rs

@@ -7,9 +7,11 @@ use std::env;
 use std::str::FromStr;
 use std::time::{SystemTime, UNIX_EPOCH};
 use chrono::{Datelike, SecondsFormat, Utc};
+use rand::distributions::Alphanumeric;
+use rand::{Rng, thread_rng};
 use tide::prelude::*;
 
-#[derive(Debug, Deserialize, Serialize, sqlx::FromRow)]
+#[derive(Debug, Clone, Deserialize, Serialize, sqlx::FromRow)]
 pub struct AccountsNew {
     pub mail: String,
     pub auth_code: String,
@@ -295,3 +297,8 @@ pub fn read_csv(config: &Config) -> Result<Vec<Record>, Box<dyn std::error::Erro
 
     Ok(records)
 }
+
+// from https://rust-lang-nursery.github.io/rust-cookbook/algorithms/randomness.html#create-random-passwords-from-a-set-of-alphanumeric-characters
+pub fn random_string(len: usize) -> String {
+    thread_rng().sample_iter(&Alphanumeric).take(len).map(char::from).collect()
+}