From 115724622fa32e1b7981e378e87ccfb770450cb1 Mon Sep 17 00:00:00 2001
From: Alexandre Alapetite <alexandre@alapetite.fr>
Date: Sun, 23 Apr 2023 11:58:15 +0200
Subject: PHPStan Level 7 for ten more files (#5327)

* PHPStan Level 7 for nine more files

* Minor syntax

* One more
---
 app/Services/ExportService.php | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'app/Services/ExportService.php')

diff --git a/app/Services/ExportService.php b/app/Services/ExportService.php
index 10d5ca2cc..c19c505af 100644
--- a/app/Services/ExportService.php
+++ b/app/Services/ExportService.php
@@ -43,7 +43,7 @@ class FreshRSS_Export_Service {
 	public function generateOpml(): array {
 		$view = new FreshRSS_View();
 		$day = date('Y-m-d');
-		$view->categories = $this->category_dao->listCategories(true, true);
+		$view->categories = $this->category_dao->listCategories(true, true) ?: [];
 		$view->excludeMutedFeeds = false;
 
 		return [
@@ -67,7 +67,7 @@ class FreshRSS_Export_Service {
 	 */
 	public function generateStarredEntries(string $type): array {
 		$view = new FreshRSS_View();
-		$view->categories = $this->category_dao->listCategories(true);
+		$view->categories = $this->category_dao->listCategories(true) ?: [];
 		$day = date('Y-m-d');
 
 		$view->list_title = _t('sub.import_export.starred_list');
@@ -99,7 +99,7 @@ class FreshRSS_Export_Service {
 		}
 
 		$view = new FreshRSS_View();
-		$view->categories = $this->category_dao->listCategories(true);
+		$view->categories = $this->category_dao->listCategories(true) ?: [];
 		$view->feed = $feed;
 		$day = date('Y-m-d');
 		$filename = "feed_{$day}_" . $feed->categoryId() . '_' . $feed->id() . '.json';
@@ -127,7 +127,7 @@ class FreshRSS_Export_Service {
 	 * @return array<string,string> Keys are filenames and values are contents.
 	 */
 	public function generateAllFeedEntries(int $max_number_entries): array {
-		$feed_ids = $this->feed_dao->listFeedsIds();
+		$feed_ids = $this->feed_dao->listFeedsIds() ?: [];
 
 		$exported_files = [];
 		foreach ($feed_ids as $feed_id) {
@@ -154,6 +154,9 @@ class FreshRSS_Export_Service {
 
 		// From https://stackoverflow.com/questions/1061710/php-zip-files-on-the-fly
 		$zip_file = tempnam('/tmp', 'zip');
+		if ($zip_file == false) {
+			return [$zip_filename, false];
+		}
 		$zip_archive = new ZipArchive();
 		$zip_archive->open($zip_file, ZipArchive::OVERWRITE);
 
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