initial commit

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ife1391ed23a1e7f388b1b5eca90b9ea76a6a6964

src/utils/id.rs

@@ -0,0 +1,35 @@
+use rand::Rng;
+
+const CHARSET: &[u8] =
+  b"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+const ID_LENGTH: usize = 16;
+
+/// Generate a random 16-character alphanumeric pakku ID
+pub fn generate_pakku_id() -> String {
+  let mut rng = rand::rng();
+  (0..ID_LENGTH)
+    .map(|_| {
+      let idx = rng.random_range(0..CHARSET.len());
+      CHARSET[idx] as char
+    })
+    .collect()
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+
+  #[test]
+  fn test_generate_pakku_id() {
+    let id = generate_pakku_id();
+    assert_eq!(id.len(), ID_LENGTH);
+    assert!(id.chars().all(|c| c.is_alphanumeric()));
+  }
+
+  #[test]
+  fn test_unique_ids() {
+    let id1 = generate_pakku_id();
+    let id2 = generate_pakku_id();
+    assert_ne!(id1, id2);
+  }
+}