Snapshot of main at 9f39a6e1e (2026-11-02)

app/Http/Controllers/PollResultsExportController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use App\Helpers\ProfileAuthorizationHelper;
+use App\Models\Admin;
+use App\Models\Bank;
+use App\Models\Poll;
+use App\Polls\ResultsCsv;
+use Illuminate\Support\Facades\App;
+use Illuminate\Support\Facades\Gate;
+use Illuminate\Support\Facades\Log;
+
+/**
+ * Poll results as a CSV download. A plain HTTP route (not a Livewire action) so the file is
+ * streamed instead of buffered in memory.
+ */
+class PollResultsExportController extends Controller
+{
+    public function __invoke(Poll $poll)
+    {
+        // Admin (or central bank) profile allowed to see who voted
+        $profile = getActiveProfile();
+        if (!$profile || !($profile instanceof Admin || ($profile instanceof Bank && $profile->level === 0))) {
+            abort(403);
+        }
+        ProfileAuthorizationHelper::authorize($profile);
+        if (!Gate::allows('export polls')) {
+            abort(403);
+        }
+
+        Log::info('Poll results exported', ['poll_id' => $poll->id, 'user_id' => auth('web')->id()]);
+
+        $csv = new ResultsCsv($poll, App::getLocale());
+        $filename = 'poll-' . $poll->id . '-results-' . now()->format('Y-m-d') . '.csv';
+
+        return response()->streamDownload(function () use ($csv) {
+            $out = fopen('php://output', 'w');
+            fwrite($out, "\xEF\xBB\xBF"); // UTF-8 BOM, so Excel shows accents correctly
+            fputcsv($out, $csv->header());
+            foreach ($csv->rows() as $row) {
+                fputcsv($out, $row);
+            }
+            fclose($out);
+        }, $filename, ['Content-Type' => 'text/csv; charset=UTF-8']);
+    }
+}