From 6d7eadd322d3ac2f011c33d9dbee89b9e051e744 Mon Sep 17 00:00:00 2001
From: Manuel <5673677+mtrezza@users.noreply.github.com>
Date: Sun, 26 Feb 2023 13:04:21 +0100
Subject: [PATCH] perf: Skip registering auth delegate if it's already
 registered (#1715)

---
 .../Controller/PFUserAuthenticationController.m       | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Parse/Parse/Internal/User/AuthenticationProviders/Controller/PFUserAuthenticationController.m b/Parse/Parse/Internal/User/AuthenticationProviders/Controller/PFUserAuthenticationController.m
index 2ac630632..6e01cd939 100644
--- a/Parse/Parse/Internal/User/AuthenticationProviders/Controller/PFUserAuthenticationController.m
+++ b/Parse/Parse/Internal/User/AuthenticationProviders/Controller/PFUserAuthenticationController.m
@@ -56,12 +56,19 @@ - (void)registerAuthenticationDelegate:(id<PFUserAuthenticationDelegate>)delegat
     PFParameterAssert(delegate, @"Authentication delegate can't be `nil`.");
     PFParameterAssert(authType, @"`authType` can't be `nil`.");
     
-    // If auth delete is already registered then unregister it gracefully
+    // If auth delete is already registered for provider
     if ([self authenticationDelegateForAuthType:authType]) {
+        
+        // If same auth delete is already registered then don't register it again
+        if ([self authenticationDelegateForAuthType:authType] == delegate) {
+            NSLog(@"skipping registering as same delegate already registered for authType `%@`.", authType);
+            return;
+        }
+        
         NSLog(@"unregistering existing deletegate to gracefully register new delegate for authType `%@`.", authType);
         [self unregisterAuthenticationDelegateForAuthType:authType];
     }
-    
+             
     dispatch_sync(_dataAccessQueue, ^{
         self->_authenticationDelegates[authType] = delegate;
     });