From f735885011e918463e7fcd601ca3ef6bea0bac8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ewilan=20Rivi=C3=A8re?= <ewilan.riviere@gmail.com>
Date: Thu, 14 Sep 2023 17:43:42 +0200
Subject: [PATCH] v1.0.22

- Fix XML search page root
---
 composer.json             |  2 +-
 src/Engine/OpdsEngine.php | 21 +++++++++++++++------
 tests/OpdsTest.php        | 25 +++++++++++++++++++++++++
 3 files changed, 41 insertions(+), 7 deletions(-)

diff --git a/composer.json b/composer.json
index 68c5d52..245bb01 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "kiwilan/php-opds",
     "description": "PHP package to create OPDS feed for eBooks.",
-    "version": "1.0.21",
+    "version": "1.0.22",
     "keywords": [
         "php",
         "ebook",
diff --git a/src/Engine/OpdsEngine.php b/src/Engine/OpdsEngine.php
index 89ce122..3335012 100644
--- a/src/Engine/OpdsEngine.php
+++ b/src/Engine/OpdsEngine.php
@@ -90,14 +90,14 @@ public function getContents(): array
     /**
      * Convert `content` to XML.
      */
-    protected function toXML(): string
+    protected function toXML(array $rootElement = [
+        'rootElementName' => 'feed',
+        '_attributes' => OpdsNamespaces::VERSION_1_2,
+    ]): string
     {
         return ArrayToXml::convert(
             array: $this->contents,
-            rootElement: [
-                'rootElementName' => 'feed',
-                '_attributes' => OpdsNamespaces::VERSION_1_2,
-            ],
+            rootElement: $rootElement,
             replaceSpacesByUnderScoresInKeyNames: true,
             xmlEncoding: 'UTF-8'
         );
@@ -117,7 +117,16 @@ protected function toJSON(): string
     public function __toString(): string
     {
         if ($this->opds->getOutput() === OpdsOutputEnum::xml) {
-            return $this->toXML();
+            if (! $this->getOpds()->checkIfSearch()) {
+                return $this->toXML();
+            }
+
+            return $this->toXML([
+                'rootElementName' => 'OpenSearchDescription',
+                '_attributes' => [
+                    'xmlns' => 'http://a9.com/-/spec/opensearch/1.1/',
+                ],
+            ]);
         }
 
         return $this->toJSON();
diff --git a/tests/OpdsTest.php b/tests/OpdsTest.php
index 09e8b08..392e5ff 100644
--- a/tests/OpdsTest.php
+++ b/tests/OpdsTest.php
@@ -81,3 +81,28 @@
     expect(fn () => $opds->url('http://localhost:8000/opds?version=0.8'))->toThrow(Exception::class);
     expect(fn () => $opds->url('http://localhost:8000/opds?version=0.8'))->toThrow('OPDS version 0.8 is not supported.');
 });
+
+it('can use search', function () {
+    $opds = Opds::make()
+        ->title('feed')
+        ->isSearch()
+        ->get();
+
+    $xml = XmlReader::make($opds->getResponse()->getContents());
+
+    expect($opds->getOutput())->toBe(OpdsOutputEnum::xml);
+    expect($xml->getRoot())->toBe('OpenSearchDescription');
+    expect($xml->getRootNS()['xmlns'])->toBe('http://a9.com/-/spec/opensearch/1.1/');
+    expect(count($xml->getContent()))->toBe(12);
+
+    $url = $xml->getContent()['Url'];
+    $self = $url[0]['@attributes'];
+    $search = $url[1]['@attributes'];
+
+    expect($self['template'])->toBe('');
+    expect($self['type'])->toBe('application/opensearchdescription+xml');
+    expect($self['rel'])->toBe('self');
+
+    expect($search['template'])->toBe('?q={searchTerms}');
+    expect($search['type'])->toBe('application/atom+xml');
+});