make transactions higher level (pass them everywhere)

src/users/setup.rs

@@ -8,27 +8,33 @@ use crate::{
 };
 
 pub fn initialise_reserved_users_if_needed() -> Result<(), UserError> {
-    let conn = database::conn()?;
+    let mut conn = database::conn()?;
+    let tx = conn.transaction()?;
 
-    if conn
+    if tx
         .prepare("SELECT handle FROM users WHERE id = ?1")?
         .query_one((&Uuid::nil(),), |_| Ok(()))
         .optional()?
         .is_none()
     {
-        let u = User::create_systemuser()?;
-        LogEntry::new(u, LogAction::Initialize)?;
+        let u = User::create_systemuser(&tx)?;
+        LogEntry::new(&tx, u, LogAction::Initialize)?;
     }
 
-    if conn
+    if tx
         .prepare("SELECT handle FROM users WHERE id = ?1")?
         .query_one((&Uuid::max(),), |_| Ok(()))
         .optional()?
         .is_none()
     {
-        User::create_infradmin()?;
-        LogEntry::new(User::get_by_id(Uuid::nil())?, LogAction::RegenInfradmin)?;
+        User::create_infradmin(&tx)?;
+        LogEntry::new(
+            &tx,
+            User::get_by_id(&tx, Uuid::nil())?,
+            LogAction::RegenInfradmin,
+        )?;
     }
 
+    tx.commit()?;
     Ok(())
 }