Added validation in upload daily task report

app/Filament/Pages/UploadDailyReport.php

@@ -59,31 +59,47 @@ class UploadDailyReport extends Page implements HasForms
 
         $path = 'task_updates/' . $filename;
 
-        // $duplicateExists = Storage::disk('local')->exists($path);
+        $expectedEmployees = [
+            'Dhanabalan Saravanan',
+            'Ranjith',
+            'Srimathi Ramamoorthy',
+        ];
 
-        // if ($duplicateExists) {
-        //     // Remove the just-uploaded file since it's a duplicate
-        //     // Storage::disk('local')->delete($currentFile);
+        $filename = pathinfo(basename($currentFile), PATHINFO_FILENAME);
 
-        //     Notification::make()
-        //         ->title('File already exists')
-        //         ->body("A file named \"{$filename}\" is already uploaded.")
-        //         ->danger()
-        //         ->send();
+        $isValid = collect($expectedEmployees)->contains(
+            fn ($name) => strcasecmp(trim($filename), $name) == 0
+        );
 
-        //     $this->form->fill(['report_pdf' => null]);
-        //     return;
-        // }
-        // else{
+        if (! $isValid) {
             Notification::make()
-            ->title('PDF uploaded successfully')
-            ->success()
-            ->send();
+                ->title('Invalid PDF filename')
+                ->body(
+                    'Please upload a PDF with one of these names: '
+                    . implode(', ', array_map(
+                        fn ($name) => $name . '.pdf',
+                        $expectedEmployees
+                    ))
+                )
+                ->danger()
+                ->send();
 
             $this->form->fill(['report_pdf' => null]);
-        // }
+
+            return;
+        }
+        else{
+            Notification::make()
+                ->title('PDF uploaded successfully')
+                ->success()
+                ->send();
+
+            $this->form->fill(['report_pdf' => null]);
+        }
+
     }
 
+
     public function removeTaskPdf(){
         $fileName = $this->filters['file_name'] ?? null;