feat: stuff

src/nnid/pid_distribution.rs

@@ -0,0 +1,29 @@
+use crate::Pool;
+
+pub async fn next_pid(pool: &Pool) -> i32{
+    loop {
+        let next_pid = sqlx::query!("SELECT nextval('pid_counter') as pid")
+            .fetch_one(pool)
+            .await
+            .expect("unable to get next pid")
+            .pid
+            .expect("unable to get next pid") as i32;
+
+        let already_exists = sqlx::query!(
+            "SELECT EXISTS(select 1 from users where pid = $1)",
+            next_pid
+        ).fetch_one(pool)
+                .await
+                .ok()
+                .map(|v| v.exists)
+                .flatten()
+                .unwrap_or(true);
+
+        if !already_exists{
+            break next_pid;
+        }
+    }
+
+
+
+}