From 9e969df68b391092b6164d4f5c2f47f82b1e3b97 Mon Sep 17 00:00:00 2001
From: Dr Masroor Ehsan <masroore@gmail.com>
Date: Thu, 30 Jan 2025 01:03:06 +0600
Subject: [PATCH] improved study parsing

---
 app/Services/Pacs/Sync/StudiesSync.php | 32 ++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/app/Services/Pacs/Sync/StudiesSync.php b/app/Services/Pacs/Sync/StudiesSync.php
index fd4659a..24b2bbb 100644
--- a/app/Services/Pacs/Sync/StudiesSync.php
+++ b/app/Services/Pacs/Sync/StudiesSync.php
@@ -17,7 +17,7 @@
 
 final class StudiesSync
 {
-    public const string SYNC_AGENT = '$$_pacs_agent_$$';
+    public const SYNC_AGENT = '$$_pacs_agent_$$';
     private Collection $study_ids;
 
     private Collection $insert_queue;
@@ -147,6 +147,17 @@ public function transformData(mixed $orthanc_src): array
 
         $inst_name = data_get($orthanc_src, 'MainDicomTags.InstitutionName');
         $patient_name = data_get($orthanc_src, 'PatientMainDicomTags.PatientName');
+        $name_parts = tokenizeString($patient_name);
+        $patient_age = data_get($orthanc_src, 'RequestedTags.PatientAge');
+        if (blank($patient_age)) {
+            // try to get age from last part of patient name
+            if (! empty($name_parts)) {
+                $last = end($name_parts);
+                if (preg_match('/\d+Y/i', $last)) {
+                    $patient_age = strtoupper($last);
+                }
+            }
+        }
 
         $descr = $this->getStudyDescription($orthanc_src);
         $study = [
@@ -160,7 +171,7 @@ public function transformData(mixed $orthanc_src): array
             'patient_id' => data_get($orthanc_src, 'PatientMainDicomTags.PatientID'),
             'patient_name' => $patient_name,
             'patient_sex' => data_get($orthanc_src, 'PatientMainDicomTags.PatientSex'),
-            'patient_age' => data_get($orthanc_src, 'RequestedTags.PatientAge'),
+            'patient_age' => $patient_age,
 
             'accession_number' => data_get($orthanc_src, 'MainDicomTags.AccessionNumber'),
             'referring_physician_name' => data_get($orthanc_src, 'MainDicomTags.ReferringPhysicianName'),
@@ -187,8 +198,19 @@ public function transformData(mixed $orthanc_src): array
         if (filled($dob)) {
             try {
                 $study['patient_birthdate'] = Carbon::parse($dob);
+            } catch (Exception $e) {
+                Log::error('Failed to parse PatientMainDicomTags.PatientBirthDate: {dob}', ['dob' => $dob, 'exception' => $e->getMessage()]);
+            }
+        }
+
+        if (($study['patient_birthdate'] == null) && $patient_age !== null) {
+            try {
+                // $age = (int) preg_replace('/[^0-9]/', '', $patient_age);
+                $age = (int) filter_var($patient_age, FILTER_SANITIZE_NUMBER_INT);
+                $study['patient_birthdate'] = Carbon::now()->subYears($age);
+
             } catch (Exception) {
-                Log::error('Failed to parse PatientMainDicomTags.PatientBirthDate: {dob}', ['dob' => $dob]);
+                Log::error('Failed to parse patient_age: {age}', ['age' => $patient_age]);
             }
         }
 
@@ -283,7 +305,9 @@ private function getStudyDicomTags(string $study_uuid): array
         }
 
         // randomly sample few instances for tags collection
-        $selectedInstances = count($instances) <= $this->maxInstances ? $instances : array_rand(array_flip($instances), $this->maxInstances);
+        $selectedInstances = count($instances) <= $this->maxInstances
+            ? $instances
+            : array_rand(array_flip($instances), $this->maxInstances);
 
         $tags = collect();
         foreach ($selectedInstances as $instance) {