Implement file reading and database insertion in readFiles method

app/Http/Controllers/SapFileController.php

@@ -4,6 +4,7 @@ namespace App\Http\Controllers;
 
 use Illuminate\Http\Request;
 use Str;
+use Illuminate\Support\Facades\Schema;
 
 class SapFileController extends Controller
 {
@@ -86,7 +87,6 @@ class SapFileController extends Controller
             return response()->json([
                 'status' => 'error',
                 'status_description' => 'Failed to scan directory',
-               // 'debug' => ['path_checked' => $path]
             ], 500);
         }
 
@@ -102,22 +102,56 @@ class SapFileController extends Controller
             ], 404);
         }
 
-        $data = [];
-        foreach ($files as $file)
-        {
-            $filePath = $path . '/' . $file;
+        // $data = [];
+        // foreach ($files as $file)
+        // {
+        //     $filePath = $path . '/' . $file;
 
-            $content = file_get_contents($filePath);
+        //     $content = file_get_contents($filePath);
 
-            $data[] = [
-                'filename' => $file,
-                'content' => $content,
-            ];
+        //     $data[] = [
+        //         'filename' => $file,
+        //         'content' => $content,
+        //     ];
+        // }
+
+        // return response()->json([
+        //     'status' => 'success',
+        //     'files' => $data,
+        // ]);
+
+        $fileName = 'RMGLAS02-1725800-1.txt';
+
+         $lines = file($fileName, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+        if (!$lines) {
+            return response()->json(['status' => 'ERROR', 'message' => 'File is empty'], 400);
+        }
+
+         $table = 'class_characteristics';
+        $columns = Schema::getColumnListing($table); // returns lowercase column names
+
+        $rows = [];
+        foreach ($lines as $line) {
+            $values = str_getcsv($line); // split by comma
+
+            $row = [];
+            foreach ($columns as $index => $column) {
+                $value = $values[$index] ?? null;  // if missing, set null
+                if ($value === '') $value = null;   // empty string -> null
+                $row[$column] = $value;
+            }
+
+            $rows[] = $row;
+        }
+
+          // Insert into database
+            foreach ($rows as $row) {
+                \App\Models\ClassCharacteristic::create($row);
             }
 
             return response()->json([
-            'status' => 'success',
-            'files' => $data,
+                'status' => 'SUCCESS',
+                'rows_imported' => count($rows),
             ]);
     }