Update indexer.php

check if file exist, do not add again

Author: MahdiMajidzadeh

Diff for: indexer.php

@@ -2,8 +2,18 @@
 
 function readFilesAndCreateJSON($directory) {
     $files = scandir($directory);
+    
+    // Read existing data from output.json if it exists
+    $outputFile = 'output.json';
     $jsonData = [];
 
+    if (file_exists($outputFile)) {
+        $jsonData = json_decode(file_get_contents($outputFile), true);
+    }
+
+    // Create an associative array for quick lookup by 'url'
+    $existingUrls = array_column($jsonData, null, 'url');
+
     foreach ($files as $file) {
         if ($file != '.' && $file != '..') {
             $filePath = $directory . '/' . $file;
@@ -15,19 +25,22 @@ function readFilesAndCreateJSON($directory) {
             // Create tags array
             $tags = explode('-', $fileName);
 
-            // Add file data to JSON array
-            $jsonData[] = [
-                'title' => $fileName,
-                'url' => $file,
-                'year' => $year,
-                'tags' => $tags
-            ];
+            // Check if the 'url' already exists in the existing data
+            if (!isset($existingUrls[$file])) {
+                // Add file data to JSON array only if the 'url' doesn't exist
+                $jsonData[] = [
+                    'title' => $fileName,
+                    'url' => $file,
+                    'year' => $year,
+                    'tags' => $tags
+                ];
+            }
         }
     }
 
     // Write JSON data to file
-    file_put_contents('output.json', json_encode($jsonData, JSON_PRETTY_PRINT));
+    file_put_contents($outputFile, json_encode($jsonData, JSON_PRETTY_PRINT));
 }
 
 // Replace 'your_directory_path' with the actual directory path
-readFilesAndCreateJSON('reports');
+readFilesAndCreateJSON('reports');