OpenStackweb · andrestejerina97 · May 19, 2026 · May 26, 2026
diff --git a/app/Audit/AbstractAuditLogFormatter.php b/app/Audit/AbstractAuditLogFormatter.php
@@ -158,7 +158,7 @@ protected function formatChangeValue($value): string
     }
 
 
-    protected function buildChangeDetails(array $change_set): string
+    protected function buildChangeDetails(array $change_set): ?string
     {
         $changed_fields = [];
         $ignored_fields = $this->getIgnoredFields();
@@ -178,21 +178,51 @@ protected function buildChangeDetails(array $change_set): string
         }
 
         if (empty($changed_fields)) {
-            return 'properties without changes registered';
+            return null;
         }
 
         $fields_summary = count($changed_fields) . ' field(s) modified: ';
         return $fields_summary . implode(' | ', $changed_fields);
     }
 
+
     protected function formatFieldChange(string $prop_name, $old_value, $new_value): ?string
     {
+        if ($this->valuesAreEffectivelyEqual($old_value, $new_value)) {
+            return null;
+        }
+
         $old_display = $this->formatChangeValue($old_value);
         $new_display = $this->formatChangeValue($new_value);
 
         return sprintf("Property \"%s\" has changed from \"%s\" to \"%s\"", $prop_name, $old_display, $new_display);
     }
 
+    protected function valuesAreEffectivelyEqual($old_value, $new_value): bool
+    {
+        if ($old_value === $new_value) {
+            return true;
+        }
+
+        if ($old_value instanceof \DateTimeInterface && $new_value instanceof \DateTimeInterface) {
+            if ($old_value->getTimestamp() === $new_value->getTimestamp()) {
+                return true;
+            }
+
+            try {
+                return $old_value->format('U.u') === $new_value->format('U.u');
+            } catch (\Throwable $e) {
+                return false;
+            }
+        }
+
+        if ((is_scalar($old_value) || is_null($old_value)) && (is_scalar($new_value) || is_null($new_value))) {
+            return $this->formatChangeValue($old_value) === $this->formatChangeValue($new_value);
+        }
+
+        return false;
+    }
+
     /**
      * Format detailed message for many-to-many collection changes
      */

diff --git a/app/Audit/AuditLogOtlpStrategy.php b/app/Audit/AuditLogOtlpStrategy.php
@@ -50,7 +50,7 @@ public function audit($subject, array $change_set, string $event_type,  AuditCon
             return;
         }
             Log::debug("AuditLogOtlpStrategy::audit", ['subject' => $subject, 'change_set' => $change_set, 'event_type' => $event_type]);
-        try {
+            try {
             $entity = $this->resolveAuditableEntity($subject);
             if (is_null($entity)) {
                 Log::warning("AuditLogOtlpStrategy::audit subject not found");
@@ -76,7 +76,7 @@ public function audit($subject, array $change_set, string $event_type,  AuditCon
                 job: $job,
             );
             Log::debug("AuditLogOtlpStrategy::audit entry sent to OTEL", ["user_id" => $ctx->userId, "user_email" => $ctx->userEmail]);
-
+         
         } catch (\Exception $ex) {
             Log::error('OTEL audit logging error: ' . $ex->getMessage(), [
                 'exception' => $ex,

diff --git a/app/Audit/ConcreteFormatters/AffiliationAuditLogFormatter.php b/app/Audit/ConcreteFormatters/AffiliationAuditLogFormatter.php
@@ -40,6 +40,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $details = $this->buildChangeDetails($change_set);
+                    if ($details === null) {
+                        return null;
+                    }
                     return sprintf("Affiliation (%s) for '%s' (%s) updated: %s by user %s", $id, $owner_name, $job_title, $details, $this->getUserInfo());
 
                 case IAuditStrategy::EVENT_ENTITY_DELETION:

diff --git a/app/Audit/ConcreteFormatters/AssignedSelectionPlanExtraQuestionTypeAuditLogFormatter.php b/app/Audit/ConcreteFormatters/AssignedSelectionPlanExtraQuestionTypeAuditLogFormatter.php
@@ -53,6 +53,9 @@ public function format($subject, array $change_set): ?string
                     $question_type = $subject->getQuestionType();
                     $question_label = $question_type ? ($question_type->getLabel() ?? 'Unknown Question') : 'Unknown Question';
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Assigned Selection Plan Extra Question (%s) '%s' updated: %s by user %s",
                         $id,

diff --git a/app/Audit/ConcreteFormatters/CompanyAuditLogFormatter.php b/app/Audit/ConcreteFormatters/CompanyAuditLogFormatter.php
@@ -49,6 +49,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Company '%s' (%d) updated: %s by user %s",
                         $name,

diff --git a/app/Audit/ConcreteFormatters/ExtraQuestionTypeValueAuditLogFormatter.php b/app/Audit/ConcreteFormatters/ExtraQuestionTypeValueAuditLogFormatter.php
@@ -39,6 +39,7 @@ public function format($subject, array $change_set): ?string
                     return sprintf("Extra Question Value '%s' (%s) for Question '%s' created by user %s", $label, $id, $question_label, $this->getUserInfo());
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $details = $this->buildChangeDetails($change_set);
+                    if ($details === null) return null;
                     return sprintf("Extra Question Value '%s' (%s) for Question '%s' updated: %s by user %s", $label, $id, $question_label, $details, $this->getUserInfo());
                 case IAuditStrategy::EVENT_ENTITY_DELETION:
                     return sprintf("Extra Question Value '%s' (%s) for Question '%s' deleted by user %s", $label, $id, $question_label, $this->getUserInfo());

diff --git a/app/Audit/ConcreteFormatters/FeaturedSpeakerAuditLogFormatter.php b/app/Audit/ConcreteFormatters/FeaturedSpeakerAuditLogFormatter.php
@@ -53,6 +53,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Featured speaker '%s' (%s) updated: %s by user %s",
                         $speaker_name,

diff --git a/app/Audit/ConcreteFormatters/FileAuditLogFormatter.php b/app/Audit/ConcreteFormatters/FileAuditLogFormatter.php
@@ -45,6 +45,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "File '%s' (%s) (%d) updated: %s by user %s",
                         $name,

diff --git a/app/Audit/ConcreteFormatters/PrePaidSummitRegistrationDiscountCodeAuditLogFormatter.php b/app/Audit/ConcreteFormatters/PrePaidSummitRegistrationDiscountCodeAuditLogFormatter.php
@@ -72,6 +72,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Pre-Paid Discount Code '%s' (%d) for Summit '%s' updated: %s (current: %s) by user %s",
                         $code,

diff --git a/app/Audit/ConcreteFormatters/PresentationAttendeeVoteAuditLogFormatter.php b/app/Audit/ConcreteFormatters/PresentationAttendeeVoteAuditLogFormatter.php
@@ -38,6 +38,9 @@ public function format($subject, array $change_set): ?string
                     return sprintf("Presentation Attendee Vote (%s) for '%s' created by user %s", $id, $title, $this->getUserInfo());
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $details = $this->buildChangeDetails($change_set);
+                    if ($details === null) {
+                        return null;
+                    }
                     return sprintf("Presentation Attendee Vote (%s) for '%s' updated: %s by user %s", $id, $title, $details, $this->getUserInfo());
                 case IAuditStrategy::EVENT_ENTITY_DELETION:
                     return sprintf("Presentation Attendee Vote (%s) for '%s' deleted by user %s", $id, $title, $this->getUserInfo());

diff --git a/app/Audit/ConcreteFormatters/PresentationCategoryAuditLogFormatter.php b/app/Audit/ConcreteFormatters/PresentationCategoryAuditLogFormatter.php
@@ -48,6 +48,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Presentation Category '%s' (%s) (%d) for Summit '%s' updated: %s by user %s",
                         $title,

diff --git a/app/Audit/ConcreteFormatters/PresentationCategoryGroupAuditLogFormatter.php b/app/Audit/ConcreteFormatters/PresentationCategoryGroupAuditLogFormatter.php
@@ -50,6 +50,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Track Group (PresentationCategoryGroup) '%s' (%s) for Summit '%s' updated: %s by user %s",
                         $name,

diff --git a/app/Audit/ConcreteFormatters/PresentationFormatters/BasePresentationAuditLogFormatter.php b/app/Audit/ConcreteFormatters/PresentationFormatters/BasePresentationAuditLogFormatter.php
@@ -76,7 +76,7 @@ public function format(mixed $subject, array $change_set): ?string
 
     abstract protected function formatCreation(array $data): string;
 
-    abstract protected function formatUpdate(array $data, array $change_set): string;
+    abstract protected function formatUpdate(array $data, array $change_set): ?string;
 
     abstract protected function formatDeletion(array $data): string;
 }
diff --git a/...dit/ConcreteFormatters/PresentationFormatters/PresentationActionTypeAuditLogFormatter.php b/...dit/ConcreteFormatters/PresentationFormatters/PresentationActionTypeAuditLogFormatter.php
@@ -47,6 +47,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Presentation Action Type '%s' (%d) for Summit '%s' updated: %s by user %s",
                         $label,

diff --git a/...Audit/ConcreteFormatters/PresentationFormatters/PresentationEventApiAuditLogFormatter.php b/...Audit/ConcreteFormatters/PresentationFormatters/PresentationEventApiAuditLogFormatter.php
@@ -30,13 +30,17 @@ protected function formatCreation(array $data): string
         );
     }
 
-    protected function formatUpdate(array $data, array $change_set): string
+    protected function formatUpdate(array $data, array $change_set): ?string
     {
+        $change_details = $this->buildChangeDetails($change_set);
+        if ($change_details === null) {
+            return null;
+        }
         return sprintf(
             "Presentation '%s' (%s) updated: %s by user %s",
             $data['title'],
             $data['id'],
-            $this->buildChangeDetails($change_set),
+            $change_details,
             $this->getUserInfo()
         );
     }

diff --git a/app/Audit/ConcreteFormatters/PresentationFormatters/PresentationLinkAuditLogFormatter.php b/app/Audit/ConcreteFormatters/PresentationFormatters/PresentationLinkAuditLogFormatter.php
@@ -49,6 +49,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Presentation Link '%s' (%d) for presentation '%s' updated: %s by user %s",
                         $title,

diff --git a/...it/ConcreteFormatters/PresentationFormatters/PresentationMediaUploadAuditLogFormatter.php b/...it/ConcreteFormatters/PresentationFormatters/PresentationMediaUploadAuditLogFormatter.php
@@ -50,6 +50,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Presentation Media Upload '%s' (%d) for presentation '%s' updated: %s by user %s",
                         $title,

diff --git a/app/Audit/ConcreteFormatters/PresentationFormatters/PresentationSlideAuditLogFormatter.php b/app/Audit/ConcreteFormatters/PresentationFormatters/PresentationSlideAuditLogFormatter.php
@@ -47,6 +47,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Presentation Slide '%s' (%d) for presentation '%s' updated: %s by user %s",
                         $title,

diff --git a/app/Audit/ConcreteFormatters/PresentationFormatters/PresentationSpeakerAuditLogFormatter.php b/app/Audit/ConcreteFormatters/PresentationFormatters/PresentationSpeakerAuditLogFormatter.php
@@ -47,6 +47,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Speaker '%s' (%s) updated: %s by user %s",
                         $full_name,

diff --git a/...esentationFormatters/PresentationSpeakerSummitAssistanceConfirmationAuditLogFormatter.php b/...esentationFormatters/PresentationSpeakerSummitAssistanceConfirmationAuditLogFormatter.php
@@ -51,6 +51,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Speaker Assistance Confirmation (%d) for '%s' on Summit '%s' updated: %s by user %s",
                         $id,

diff --git a/...dit/ConcreteFormatters/PresentationFormatters/PresentationSubmissionAuditLogFormatter.php b/...dit/ConcreteFormatters/PresentationFormatters/PresentationSubmissionAuditLogFormatter.php
@@ -30,13 +30,17 @@ protected function formatCreation(array $data): string
         );
     }
 
-    protected function formatUpdate(array $data, array $change_set): string
+    protected function formatUpdate(array $data, array $change_set): ?string
     {
+        $change_details = $this->buildChangeDetails($change_set);
+        if ($change_details === null) {
+            return null;
+        }
         return sprintf(
             "Presentation '%s' (%s) updated: %s by user %s",
             $data['title'],
             $data['id'],
-            $this->buildChangeDetails($change_set),
+            $change_details,
             $this->getUserInfo()
         );
     }

diff --git a/...teFormatters/PresentationFormatters/PresentationTrackChairRatingTypeAuditLogFormatter.php b/...teFormatters/PresentationFormatters/PresentationTrackChairRatingTypeAuditLogFormatter.php
@@ -44,6 +44,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Track Chair Rating Type '%s' updated: %s by user %s",
                         $name,

diff --git a/...eteFormatters/PresentationFormatters/PresentationTrackChairScoreTypeAuditLogFormatter.php b/...eteFormatters/PresentationFormatters/PresentationTrackChairScoreTypeAuditLogFormatter.php
@@ -46,6 +46,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Score Type '%s' updated: %s by user %s",
                         $label,

diff --git a/...ConcreteFormatters/PresentationFormatters/PresentationUserSubmissionAuditLogFormatter.php b/...ConcreteFormatters/PresentationFormatters/PresentationUserSubmissionAuditLogFormatter.php
@@ -40,6 +40,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Presentation '%s' (%d) updated: %s by user %s",
                         $title,

diff --git a/app/Audit/ConcreteFormatters/PresentationFormatters/PresentationVideoAuditLogFormatter.php b/app/Audit/ConcreteFormatters/PresentationFormatters/PresentationVideoAuditLogFormatter.php
@@ -49,6 +49,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Presentation Video '%s' (%d) for presentation '%s' updated: %s by user %s",
                         $title,

diff --git a/app/Audit/ConcreteFormatters/PresentationTypeAuditLogFormatter.php b/app/Audit/ConcreteFormatters/PresentationTypeAuditLogFormatter.php
@@ -50,6 +50,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Presentation Type '%s' (%d) for Summit '%s' updated: %s by user %s",
                         $type_name,

diff --git a/app/Audit/ConcreteFormatters/RSVPAuditLogFormatter.php b/app/Audit/ConcreteFormatters/RSVPAuditLogFormatter.php
@@ -56,6 +56,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "RSVP (ID: %s) for event '%s' updated: %s by user %s",
                         $id,

diff --git a/app/Audit/ConcreteFormatters/RSVPInvitationAuditLogFormatter.php b/app/Audit/ConcreteFormatters/RSVPInvitationAuditLogFormatter.php
@@ -48,6 +48,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "RSVP invitation (ID: %s) for attendee '%s' to event '%s' updated: %s by user %s",
                         $id,

diff --git a/app/Audit/ConcreteFormatters/RSVPQuestionTemplateAuditLogFormatter.php b/app/Audit/ConcreteFormatters/RSVPQuestionTemplateAuditLogFormatter.php
@@ -52,6 +52,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "%s question '%s' (ID: %s) in RSVP template (ID: %s) updated: %s by user %s",
                         $className,

diff --git a/app/Audit/ConcreteFormatters/RSVPTemplateAuditLogFormatter.php b/app/Audit/ConcreteFormatters/RSVPTemplateAuditLogFormatter.php
@@ -55,6 +55,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "RSVP Template '%s' (%d) for Summit '%s' updated: %s by user %s",
                         $title,

diff --git a/app/Audit/ConcreteFormatters/ScheduledSummitLocationBannerAuditLogFormatter.php b/app/Audit/ConcreteFormatters/ScheduledSummitLocationBannerAuditLogFormatter.php
@@ -50,6 +50,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Scheduled Location Banner '%s' (%d) for Location '%s' in Summit '%s' updated: %s by user %s",
                         $title,

diff --git a/.../ConcreteFormatters/SelectionPlanAllowedEditablePresentationQuestionAuditLogFormatter.php b/.../ConcreteFormatters/SelectionPlanAllowedEditablePresentationQuestionAuditLogFormatter.php
@@ -48,6 +48,9 @@ public function format($subject, array $change_set): ?string
 
                 case IAuditStrategy::EVENT_ENTITY_UPDATE:
                     $change_details = $this->buildChangeDetails($change_set);
+                    if ($change_details === null) {
+                        return null;
+                    }
                     return sprintf(
                         "Selection Plan Allowed Editable Presentation Question (%s) type '%s' updated: %s by user %s",
                         $id,