Revert "don't start tutorial after registration"

This reverts commit bc0d00fd2be909a7ba50ee81b51115ed04f8e642.

server/src/account.rs

@@ -530,3 +530,24 @@ pub fn img_check(account: &Account) -> Result<Uuid, Error> {
     }
 }
 
+pub fn tutorial(tx: &mut Transaction, account: &Account) -> Result<Option<Instance>, Error> {
+    let query = "
+        SELECT count(id)
+        FROM players
+        WHERE account = $1;
+    ";
+
+    let result = tx
+        .query(query, &[&account.id])?;
+
+    let row = result.iter().next()
+        .ok_or(format_err!("unable to fetch joined games account={:?}", account))?;
+
+    let count: i64 = row.get(0);
+
+    if count == 0 {
+        return Ok(Some(instance_practice(tx, account)?));
+    }
+
+    return Ok(None);
+}

server/src/user_authenticated.rs

@@ -128,6 +128,10 @@ impl User for Authenticated {
         let wheel = account::chat_wheel(&db, a.id)?;
         self.ws.send(RpcMessage::ChatWheel(wheel))?;
 
+        if let Some(instance) = account::tutorial(&mut tx, &a)? {
+            self.ws.send(RpcMessage::InstanceState(instance))?;
+        }
+
         // tx should do nothing
         tx.commit()?;