proper station code creation; Fixes #3

Cargo.lock

@@ -2233,6 +2233,7 @@ dependencies = [
  "futures",
  "maud",
  "password-auth",
+ "rand 0.9.0",
  "rust-i18n",
  "serde",
  "sqlx",

Cargo.toml

@@ -21,6 +21,7 @@ password-auth = "1.0"
 tower-sessions-sqlx-store-chrono = { version = "0.14", features = ["sqlite"] }
 tracing-subscriber = "0.3"
 futures = "0.3"
+rand = "0.9"
 
 
 [dev-dependencies]

migration.sql

@@ -5,7 +5,7 @@ CREATE TABLE IF NOT EXISTS station (
     amount_people INTEGER,
     last_login DATETIME,
     ready BOOLEAN NOT NULL DEFAULT false,
-    pw TEXT NOT NULL DEFAULT (upper(hex(randomblob(4)))),
+    pw TEXT NOT NULL,
     lat REAL,
     lng REAL
 );

src/admin/station/mod.rs

@@ -6,6 +6,11 @@ use crate::{
 };
 use axum::Router;
 use chrono::{DateTime, Local, NaiveDateTime, Utc};
+use rand::{
+    distr::{Distribution, Uniform},
+    rng,
+};
+
 use serde::{Deserialize, Serialize};
 use sqlx::{FromRow, SqlitePool};
 
@@ -78,8 +83,17 @@ impl Station {
         .unwrap();
     }
 
+    fn generate_random_alphanumeric(length: usize) -> String {
+        let mut rng = rng();
+        let chars: Vec<char> = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".chars().collect();
+        let dist = Uniform::new(0, chars.len()).unwrap();
+
+        (0..length).map(|_| chars[dist.sample(&mut rng)]).collect()
+    }
+
     pub(crate) async fn create(db: &SqlitePool, name: &str) -> Result<(), String> {
-        sqlx::query!("INSERT INTO station(name) VALUES (?)", name)
+        let code = Self::generate_random_alphanumeric(8);
+        sqlx::query!("INSERT INTO station(name, pw) VALUES (?, ?)", name, code)
             .execute(db)
             .await
             .map_err(|e| e.to_string())?;